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PH Meter

Pocket pH /°C/°F Tester

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Application:
  • PH-10S, 20S, 30S: suitable for measuring the liquids.
  • PH-10F, 20F, 30F: suitable for measuring the semisolid substances. 
  • PH-10L, 20L, 30L: suitable for measuring the small volume samples.
  • PH-40 is suitable for connecting with the various pH electrodes.
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PH-10 Features:
  • 2 points push-button calibration with auto-buffer recognition.
  • Hold function freezes current measured value for easy viewing and recording.
  • Auto-Power Off helps user effectively conserve battery life.
  • Replaceable electrode module reduces maintenance and replacement cost.
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Accessories: pH buffer pouches (pH4.01/7.00/10.01), batteries, plastic box or carrying case.
PH-10 Features:
  • 2 points push-button calibration with auto-buffer recognition.
  • Hold function freezes current measured value for easy viewing and recording.
  • Auto-Power Off helps user effectively conserve battery life.
  • Replaceable electrode module reduces maintenance and replacement cost.
Technical Parameters:
Model
PH-105/F/L
​PH-205/F/L
PH-30S/F/L
​PH-40
​pH Range
0.0~14.0pH
​-1.00~15.00pH
​-1.00~15.00pH
​-1.00~15.00pH
​pH Accuracy
​±0.1pH
±0.01 pH
​±0.01 pH
​±0.01 pH
Calibration Points
2 points
​1~3 points
​1~3 points
1~3 points
​Calibration Solutions
​USA (pH4.01/7.00/10.01)
​USA (pH4.01/7.00/10.01)
​USA (pH4.01/7.00/10.01)
​USA (pH4.01/7.00/10.01)
Temp. Compensation
/
​0 60°C, Automatic
0 60°C, Automatic
0~100°C, Manual
​Hold Function
​Manual
​Manual or Automatic
​Manual or Automatic
​Manual or Automatic
​Connector
6-pin
6-pin
6-pin
BNC
​Power Requirements
​3x1.SV "G13A” batteries
​2x1.5V ”AAA" batteries
​2x1.5V ”AAA" batteries
2x1.5V ”AAA" batteries
Dimensions(L*D)
​185*40mm
185*40mm
​185*40mm
185*40mm
​Package Size(W*D*H)
​325*124*270mm
​325*124*270mm
​325*124*270mm
325*124*270mm
Net Weight
​100g
​100g
​100g
​100g
​Gross Weight
​1kg
​1kg
​1kg
​1kg

Portable pH/ORP Meter

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pH Mode (For PH-221/320):
  • 1 to 5 points push-button calibration with auto-buffer recognition.
  • Automatic electrode slope display helps user decide whether to replace sensor.
  • Automatic Temperature Compensation provides accurate measured values.   
  • Calibration Due Reminder prompts you to calibrate the meter regularly.
ORP Mode (For PH221/320):    
  • 1 point offset calibration allows adjusting the displayed value to a known standard.
  • Relative and absolute mV measurement modes provide accurate ORP readings.
Features:
  • Stability indicator automatically shows current measurement status.  
  • Auto-Hold function freezes stable reading for easy viewing and recording.
  • Automatic electrode diagnosis shows offset and electrode slope.
  • Reset feature automatically resumes parameters back to factory default options.  
  • Help message as a operational guide that helps you quickly using the meter (for PH-220).
  • Manual temperature calibration improves the measurement accuracy of meter (for PH-320). 
  • Selectable temperature unit (°C or °F) meets different application requirements (for PH-320).
Ion Concentration Mode (For PH-320):
  • 2 to 5points calibration providing the 8 concentration points can beselected. 
  • Automatically recognize ion electrodes, does not need to specify the type of ion.
  • Direct ion concentration readout simplifies the elaborate measurement process. I Selectable multiple concentration units include the ppm, mg/L, and mol/L.
Accessories:
  • PH electrode 
  • Temperature probe 
  • PH buffer solutions (pH4.01/7.00/10.01)  
  • Carrying case
Technical Parameters:
Model
​PH-220
​PH-221
PH-320
pH Range​
-2.00~16.00pH
​-2.000~20.000pH
-2.000~20.000pH
​pH Accuracy
​±0.01 pH
±0.002pH
​±0.002pH
​Resolution
​0.01pH
0.1, 0.01,  0.001pH, Selectable
​0.1, 0.01, 0.001pH, Selectable
Calibration Points
2 points
1~5 points
1~5 points
Calibration Solutions
USA (pH4.01/7.00/10.01)
USA(pH1.68/4.01/7.00/10.01/12.45),NIST(pH1.68/4.01/6.86/9.18/12.45),DIN(pH1.09/4.65/6.79/9.23/12.75) or User-defined
​USA(pH1.68/4.01/7.00/10.01/12.45(pH1.68/4.01/6.86/9.18/12.45)DIN(pH1.09/4.65/6.79/9.23/12.75) or User-defined
Temp. Compensation
​0~100°C, 32~212°F,
​Manual or Automatic 
0~100°C, 32 212°F,
​Manual or Automatic 
0~100°C, 32~21 2°F,
​Manual or Automatic 
​mV Range
-1999~1999mV
​-1999.9~1999.9mV
​-1999.9~1999.9mV
mV Accuracy
±1mV
​±0.2mV
​±0.2mV
Resolution
1mV
​0.1, 1mV, Selectable
​0.1, 1mV, Selectable
​Calibration Points
/
1 point
​(Only for Relative mV mode)
1 point 
​(Only for Relative mV mode)
​Ion Concentration Range
/
/
​0 001~19999ppm, mg/L, mol/L (Refer to the range of ISE)
Ion Concentration Accuracy
/
/
±0.5% F.S (Monovalent),
​±1% F.S (Divalent)
​Calibration Points
/
/
2~5 points (0.001, 0.01, 0.1, 1, 10, 100, 1000, 10000ppm,
​mg/L, mol/L)
Temp. Range
​0~100°C, 32-212°F
​0~105°C, 32-221°F
/​
​Temp. Accuracy
​±1°C
​±0.5°C, +0.9°F
/
Resolution
0.1°C
/
/
​Hold Function
Manual
/
/
Memory
Stores up to 50 data sets
​Stores up to 500 data sets
Stores up to 500 data set
Output
/
​USB Communication Interface
​USB Communication Interface
​Connector
BNC
BNC
/
Power Requirements
1x9V/800mA battery
​3x1.SV "AA" batteries (Standard) 
or DCSV power adapter(Optional) 
3x1.5V"AA" batteries
(Standard) or DCSV power adapter(Optional)
​Dimensions(W*D*H)
​185*88*32mm​
​170*85*30mm 
170*85*30mm 
Package Size(W*D*H)
​475*155*350mm
​475*155*350mm
475*155*350mm
​Net Weight
​300g
​300g
300g
​Gross Weight
​2kg
​2kg
2kg

Portable Ion Meter

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Features:
  • 2 to 5 points calibration from low to high concentrations.
  • Direct ion concentration readout simplifies the elaborate measurement process.
  • Selectable multiple concentration units include the ppm, mg/L and mol/L.
  • mV measurement mode allows checking the performance of ion selective electrode.
  • Automatic Temperature Compensation ensures accurate measured values.
  • Calibration Due Reminder prompts user to calibrate the meter regularly.
  • Stability indicator automatically shows current measurement status.
  • Auto-Hold function freezes stable reading for easy viewing and recording. 
  • Selectable temperature unit ( °C or °F ) meets different application requirements.
  • Automatic electrode diagnosis shows offset and electrode slope.
  • Help message as a operational guide that helps you quickly begin using the meter.
  • System menu allows setting the 8 parameters, including the ion valence, number of calibration points, stability condition, etc.
  • Reset feature automatically resumes parameters back to factory default options.
  • Expanded memory stores and recalls up to 500 readings.
  • Built-in real-time clock stamps stored data to meet GLP standard.
  • Stored data can be transferred into computer by USB communication interface​
Accessories: Ion Selective Electrode (Chosen by the customer), temperature probe, batteries and carrying case.
Technical Parameters:
Model
​PH-321
Ion Concentration Range
Refer to the range of ISE
Ion Concentration Accuracy
±0.5% F.S (Monovalent), ±1% F.S (Divalent)
​Resolution
0.001, 0.01, 0.1, 1
​Calibration Points
​2~5 points
​Calibration Solutions
0.001, 0.01, 0.1, 1, 10, 100, 1000, 10000ppm, mg/L, mol/L
​Temperature Compensation
​0~100°C, 32~212°F, Manual or Automatic
​mV Range
-1999.9~1999.9mV
Mv Accuracy
±0.2mV
​Resolution
0.1, 1mV, Selectable
​Hold Function
​Manual or Automatic
Stability Conditions
​Low or High
Power Off
Manual or Automatic (10, 20, 30 minutes)
Memory
​Stores up to 500 data sets
​Output
USB Communication Interface
Connector
​BNC
Power Requirements
3x1.5V "AA" batteries (Standard) ​or DCSV power adapter (Optional)
Dimensions
​170*85*30mm
Package Size(W*D*H)
475*155*350mm
​Net Weight
300g
​Gross Weight
​2kg

Benchtop pH Meter

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PHS-25CW/3BW Features:
  • Economical benchtop pH meter is equipped with a white backlit LCD display.
  • Automatic electrode slope display helps user decide whether to replace sensor.
  • Automatic Temperature Compensation ensures accurate measuring result.
  • 2 points push-button calibration with auto-buffer recognition.
Accesories: 
  • PH electrode
  • Temperature probe (Only for PHS-3BW and PH-210 meter)
  • PH buffer pouches (pH4.01/7.00/10.01)
  • DC9V power adopter
Technical Parameters:
​PH-210 Features:
  • Economical benchtop pH meter is equipped with a white backlit LCD display.
  • Automatic electrode slope display helps user decide whether to replace sensor. Automatic Temperature Compensation ensures accurate measuring result.
  • 2 points push-button calibration with auto-buffer recognition.
  • Selectable temperature unit (°C or °F ) meets different application requirements.
  • Help message as a operational guide that helps you quickly begin using the meter.
  • System menu allows setting the 5 parameters, including the pH buffer standard, number of calibration points, auto-power off, etc.
  •  Reset feature automatically resumes all settings back to factory default options.
Model
​PHS-25CW
​PHS-3BW
PH-210 
pH Range 
​0.00~14.00pH 
​0.00~14.00pH 
-1.00~15.00p
​PH Accuracy
±0.05pH
​±0.01pH
±0.01pH
​Resolution 
​0.01pH
​0.01pH
0.01pH
​Calibration Points 
​2 points 
2 points 
​1~3 points 
Calibration Solutions 
​USE (pH4.01/7.00/10.01)
USE (pH4.01/7.00/10.01)
USE (pH4.01/7.00/10.01)
NIST (pH4.01/6.86/9.18)
Temp.Compensation 
​0~100°C, Manual
0~100°C, Manual
0~100°C, 32~212°F
​Manual or Automatic 
mV Range 
​-1999~1999mV  
​-1999~1999mV  
​-1999~1999mV  
mV Accurancy 
​±10mV 
​±1mV
​±1mV
Resolution 
​1mV
​1mV
​1mV
​Temp. Range 
/
0~100°C
​0~105°C, 32~221°F
​Temp. Accurancy 
/
​±1°C
​±1°C
​Resolution 
/
​1°C
​0.1°C
​Hold Function 
/
/
Manual or Automatic 
​Connecter 
​BNC 
​BNC 
​BNC 
​Display 
​LCD 
​LCD 
​LCD (135*75mm)
​Power Requirenments 
​DC9V/400mA Power Adapter 
​DC9V/400mA Power Adapter 
​DC9V/400mA Power Adapter 
​Dimensions (W*D*H)
​210*240*180mm
​210*240*180mm
210*205*75mm
​Package Size (W*D*H) 
​310*240*180mm
​310*240*180mm
​310*240*180mm
​Net Weight
​1.5kg 
​1.5kg 
1.5kg 
​Gross Weight
1.​7kg 
1.​7kg 
​1.​7kg 

Benchtop pH/ORP/Ion Meter

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pH Mode:
  • 1 to 5 points push-button calibration with auto-buffer recognition.
  • Selectable pH buffer options or using the custom calibration solutions.
  • Automatic electrode slope display helps user decide whether to replace sensor.

ORP Mode:
  • 1 point offset calibration allows adjusting the displayed value to a known standard. Relative and absolute mV measurement modes provide accurate ORP readings.
Ion Concentration Mode (For PH-930):
  • 2 to 5 points calibration providing the 8 concentration points can be selected.
  • Automatically recognize ion electrodes, does not need to specify the type of ion. 
  • Selectable multiple concentration units include the ppm, mg/L and mol/L.
Accessories:
  • PH electrode 
  • USB cable
  • Temperature probe
  • DCSV power adapter
  • PH buffer pouches (pH4.01/7.00/10.01)
Other Features:
  • Auto-Hold function freezes stable reading for easy viewing and recording. 
  • Automatic electrode diagnosis shows offset and electrode slope.
  • Expanded memory stores and recalls up to 500 readings.
  • Built-in real-time clock stamps stored data to meet GLP standard.
Technical Parameters:
Model
PH-920
PH-830
pH Range
​-2.000~20.000pH
​-2.000~20.000pH
​pH Accuracy
±0.002pH
​±0.002pH
Resolution
​0.1, 0.01, 0.001pH, Selectable
0.1, 0.01, 0.001pH, Selectable
​Calibration Points
1~5 point
1~5 points
Calibration Solutions
​USA (pH1.68/4.01/7.00/10.01/12.45), NIST (pH1.68/4.01/6.86/9.18/12.45),
 DIN (pH1.09/4.65/6.79/9.23/12.75)
​or User-defined
USA (pH1.68/4.01/7.00/10.01/12.45), NIST (pH1.68/4.01/6.86/9.18/12.45),
 DIN (pH1.09/4.65/6.79/9.23/12.75)
​or User-defined
​Temp. Compensation
​0~100°C, 32-212°F, Manual or Automatic
​0~100°C, 32-212°F, Manual or Automatic
mV Range
​-1999.9~1999.9mV
-1999.9~1999.9mV
​mV Accuracy
​±02mV
±02mV
Resolution
​0.1, 1mV, Selectable
​0.1, 1mV, Selectable
​Calibration Points
​1 point (Only for Relative mV mode)
​1 point (Only for Relative mV mode)
Ion Concentration Range
/
0.001~19999ppm, mg/L, mol/L
(Refer to the range of ISE)
​Ion Concentration Accuracy
/
​±10.5% F.S (Monovalent), ±1% F.S (Divalent)
Temp. Range
​0~105°C, 32~221°F
​0~105°C, 32~221°F
​Temp. Accuracy
​±0.5°C, +0.9°F
​±0.5°C, +0.9°F
Calibration Points
/
2-5 points (0.001, 0.01, 0.1, 1, 10, 100, 1000, 10000ppm, mg/L, mol/L)
​Memory
​Stores up to 500 data sets
​Stores up to 500 data sets
Output
​USB Communication Interface
USB Communication Interface
Connector
​BNC
/
Power Requirements
​DC5V/400mA power adapter
DC5V/400mA power adapter
​Dimensions(W*D*H)
210*188*60mm
210*188*60mm
Package Size(W*D*H) 
​310*240*180mm 
310*240*180mm 
​Net Weight
​1.5kg
1.5kg
​Gross Weight
​1.7kg
​1.7kg

Portable Conductivity/TDS/Salinity Meter

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Features:
  • 1 to 5 points calibration with automatic calibration solution recognition.
  • Selectable cell constant (0.1/1/10), normalization temperature. (20°C or 25°C)
  • TDS conversion factor, seawater, and practical salinity measurement modes.
  • Linear or pure water compensation improves the measurement accuracy.
  • Automatic Temperature Compensation ensures accurate reading.
  • Calibration Due Reminder prompts user to calibrate the meter regularIy.
  • Stability indicator automatically shows current measurement status.
  • Auto-Hold function freezes stable measured value for easy viewing and recording.
  • Selectable temperature unit (°C or °F) meets different application requirements.
  • Automatic electrode diagnosis shows cell constant of the conductivity electrode.
  • Help message as an operational guide that helps you quickly begin using the meter.
  • System menu allows setting the 11 parameters, including the temperature unit, number of calibration points, stability condition, etc.
  • Reset feature automatically resumes parameters back to factory default options.
  • Expanded memory stores and recalls up to 500 readings.
  • Built-in real-time clock stamps stored data to meet GLP standard.
  • Stored data can be transferred into computer by USB communication interface.
Accessories:
Conductivity electrode, temperature probe, conductivity standard solutions 84µS/cm, 1413µS/cm, 12.88mS/cm), batteries and carrying case.
​Technical Parameters:
​Model
PH-520
​PH-530
 PH-531
PH-540
Conductivity Range
0~20.00, 200.0, 2000µS/cm, 20.00, 200.0mS/cm
​0~20.00, 200.0, 2000µS/cm, 20.00, 200.0mS/cm
​0~20.00, 200.0, 2000µS/cm, 20.00, 200.0mS/cm
​0~20.00, 200.0, 2000µS/cm, 20.00, 200.0mS/cm
​Conductivity Accuracy
​±10.5% F.S
​±10.5% F.S
​±10.5% F.S
±10.5% F.S
​TDS Range
/
0~100ppt (Max. 200ppt, depending on
​factor setting)
/
0~100ppt (Max. 200ppt depending on
​factor setting)
​TDS Accuracy
/
​±1% F.S
/
±1% F.S
Salinity Range
/
/
​0~10ppt (Max. 80ppt)
0~10ppt (Max. 80ppt)
​Salinity Accuracy
/
/
​±1% F.S
±1% F.S
Resistivity Range
/
/
/
0~100MƱ
​Resistivity Accuracy
/
/
/
1% F.S
Calibration Points
1~3 points (Model 520A), 1~5 points {Model 530/531/540)
1~3 points (Model 520A), 1~5 points {Model 530/531/540)
1~3 points (Model 520A), 1~5 points {Model 530/531/540)
1~3 points (Model 520A), 1~5 points {Model 530/531/540)
​Calibration Solutions
10µS/cm, 84µS/cm, 1413µS/cm, 12.88mS/cm,
​111 .8mS/cm
 10µS/cm, 84µS/cm, 1413µS/cm, 12.88mS/cm, 
​111 .8mS/cm
10µS/cm, 84µS/cm, 1413µS/cm, 12.88mS/cm, 
​111 .8mS/cm
10µS/cm, 84µS/cm, 1413µS/cm, 12.88mS/cm, 
​111 .8mS/cm
Temperature Compensation
0~100°C, 32~212°F, Manual or Automatic
0~100°C, 32~212°F, Manual or Automatic
0~100°C, 32~212°F, Manual or Automatic
0~100°C, 32~212°F, Manual or Automatic
​Temperature Coefficient
0.0~10.0%/°C
0.0~10.0%/°C
0.0~10.0%/°C
0.0~10.0%/°C
Normalization Temperature
25°C (Model 520A), 20°C or 25°C
​(Model 530/531/540)
25°C (Model 520A), 20°C or 25°C 
​(Model 530/531/540)
25°C (Model 520A), 20°C or 25°C 
​(Model 530/531/540)
25°C (Model 520A), 20°C or 25°C 
​(Model 530/531/540)
​Cell Constant
 K=0 1, 1, 10 or
​User-defined
 K=0 1, 1, 10 or 
​User-defined
 K=0 1, 1, 10 or 
​User-defined
 K=0 1, 1, 10 or 
​User-defined
​Memory
Stores up to
​500 data sets,
USB Communication Interface
Stores up to
​500 data sets, 
USB Communication Interface
Stores up to
​500 data sets, 
USB Communication Interface
Stores up to
​500 data sets, 
USB Communication Interface
Power Requirements
3x1.SV ”AA”
​batteries (Standard) or DCSV power adapter (Optional)
3x1.SV ”AA” 
​batteries (Standard) or DCSV power adapter (Optional)
3x1.SV ”AA” 
​batteries (Standard) or DCSV power adapter (Optional)
3x1.SV ”AA” 
​batteries (Standard) or DCSV power adapter (Optional)
Dimensions
​170*85*30mm
​170*85*30mm​
​170*85*30mm
170*85*30mm
​Package Size(W*D*H)
​475*155*350mm
​475*155*350mm
​475*155*350mm
475*155*350mm
Net Weight
​300g
​300g
​300g
​300g
​Gross Weight
​2kg
​2kg
​2kg
​2kg

Benchtop Conductivity/TDS/Salinity/Resistivity Meter

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Accessories:
  • Conductivity electrode 
  • Temperature probe
  • USB cable
  • DCSV power adapter
  • Conductivity Standard Solutions (8495/cm, 141395/cm, 12.88mS/cm)
Features:
  • Multi-parameter conductivity meter contains the TDS, salinity, and resistivity measurement modes.
  • 1 to 5 points calibration with automatic calibration solution recognition.
  • Selectable cell constant (0.1/1/10), normalization temperature (20°C or 25°C), TDS conversion factor, seawater, and practical salinity measurement modes.
  • Linear or pure water compensation improves the measurement accuracy. Automatic Temperature Compensation ensures accurate reading.
  • ​Calibration Due Reminder prompts user to calibrate the meter regularly. Stability indicator automatically shows current measurement status.
  • Auto-Hold function freezes stable measured value for easy viewing and recording. 
  • Selectable temperature unit(°C or F°) meets different application requirements. 
  • Automatic electrode diagnosis shows ceil constant of the conductivity electrode.
  • Help message as a operational guide that helps you quickly begin using the meter.
  • System menu allows setting the 11 parameters, including the temperature unit, number of calibration points, stability condition, etc.
  • Reset feature automatically resumes parameters back to factory default options.
  • Expanded memory stores and recalls up to 500 readings.
  • Built-in real-time clock stamps stored data to meet GLP standard.
  • Stored data can be transferred into computer by USB communication interface.
Technical Parameters:
Model
​PH-950
​Conductivity Range
0~20.00, 200.0, 2000µS/cm, 20.00, 200.0mS/cm
Conductivity Accuracy
±10.5% F.S
​TDS Range
0~100ppt (Max. 200ppt, depending on factor setting)
TDS Accuracy
​±1% F.S
​Salinity Range
​0~10ppt (Max. 80ppt)
Salinity Accuracy
±1% F.S
​Resistivity Range
​0~100MƱ
Resistivity Accuracy
±1% F.S
​Calibration Points
1~5 points
Calibration Solutions
10µS/cm, 84µS/cm, 1413µS/cm, 12.88mS/cm, 111.8mS/cm
​Temp. Compensation
​0~100°C, 32~212°F, Manual or Automatic
Temp Coefficient
0.0~10.D%/°C
​Normalization Temp.
​20°C or 25°C
Cell Constant
K=0.1, 1, 10 or User-defined
​Memory
​Stores up to 500 data sets, USB Communication Interface
Power Requirements
DC5V/400mA power adapter
​Dimensions(W*D*H)
​210*188*60mm
Package Size(W*D*H)
310*240*180mm
​Net Weight
​1.5kg
​Gross Weight
​1.7kg

Portable Dissolved Oxygen Meter

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Features:
  • 1 or 2 points calibration using air-saturated water and zero oxygen solution.
  • Manually salinity and barometric pressure compensation improve the accuracy of measurement. 
  • Automatic Temperature Compensation ensures accurate readings.Data Hold function freezes current reading for easy viewing and recording.
  • Help message as an operational guide that helps you quickly using the meter.
  • Built-in real-time clock stamps stored data to meet GLP standard.
  • Expanded memory stores and recalls up to 48 readings.(Only for PH-820).
Other features for PH-821:
  • Calibration Due Reminder prompts user to calibrate the meter regularly.
  • Stability indicator automatically shows current measurement status.
  • Selectable temperature unit (°C or °F) meets different application requirements.
  • System menu allows setting the 9 parameters, including the number of calibration points, resolution, stability condition, concentration units, etc.
  • Reset feature automatically resumes parameters back to factory default options. Expanded memory stores and recalls up to 500 readings.
  • Stored data can be transferred into computer by USB communication interface.
  • Multi-mode power scheme (battery, power adapter, USB port) ensures that use the meter smoothly
Accessories:
Dissolved oxygen electrode, electrolyte solution, membrane cap, batteries, and carrying case. 
Technical Parameters:
Model
PH-820 
PH-821
​Dissolved Oxygen Range
0.0~20.0mg/L (or ppm)
0.00~20.00mg/L (or ppm)
Accuracy
±0.5mg/
±0.2mg/L
​Resolution
0.1mg/L
​0.01 mg/L
% Saturation of Oxygen
0.0~200.0%
​0.0~200.0%
Accuracy
±10% F.S
​±2.0% F.S
Resolution
0.1%
0.1, 1%
​Calibration Points
1~2 point
​1~2 points
Temperature Compensation
0~40°C, 32~104°F, Automatic
​0~50°C, 32~122°F, Automatic
Barometric Pressure Correction
60.0~112.5kPa, 450~850mmHg
​60.0~112.5kPa, 450~850mmHg
Salinity Correction
0~35g/L
0~50g/L
Hold Function
Manual
Manual or Automatic
Memory
Stores up to 4B data sets
​Manual or Automatic (10, 20, 30 minutes)
​Sensor Type
Polarographic Dissolved Oxygen Electrod
Stores up to 500 data sets
Connector
​4-pin mini plug
​USB Communication Interface
​Power Requirements
1x9V/800mA battery
​6-pin mini plug
Battery Life
Approximately 150 hours
3x1.5V "AA" batteries (Standard)
​or DCSV power adapter (Optional)
​Dimensions
185*88*32mm
​185*88*32mm
​Package Size(W*D*H)
475*155*350mm
475*155*350m
Net Weight
​300g
300g
Gross Weight
​2kg
2kg

Benchtop Dissolved Oxygen Meter

Picture
Accessories:

PH-980
  • Dissolved oxygen electrode
  • Electrolyte solution I Membrane cap
  • USB cable
  • DCSV power adapter
PH-980
  • Dissolved oxygen electrode
  • Electrolyte solution I Membrane cap
  • USB cable
  • DCSV power adapter
  • USB cable 
Features: ​
  • Economy benchtop dissolved oxygen meter is suitable for laboratory applications.
  • 1 or 2 points calibration using air-saturated water and zero oxygen solution.
  • Manually salinity and barometric pressure compensation improve the accuracy of measurement. I Automatic Temperature Compensation ensures accurate readings.
  • Calibration Due Reminder prompts user to calibrate the meter regularly.
  • Auto-Hold function freezes stable reading for easy viewing and recording.
  • Help message as an operational guide that helps you quickly begin using the meter.
  • Selectable temperature unit (°C or °F) meets different application requirements. (For PH-980).
  • System menu allows setting the 9 parameters, including the number of calibration points, resolution, stability condition, concentration units, etc.(For PH-980).
  • Expanded memory stores and recalls up to 500 readings. (For PH-980).
  • Built-in real-time clock stamps stored data to meet GLP standard. (For PH-980).
  • Stored data can be transferred into computer by USB communication interface. (For PH-980).
​Technical Parameters:
Model
​PH-810
​PH-980
Dissolved Oxygen Range
​0.0~20.0mg/L (or ppm)
0.00~20.00mg/L (or ppm
​Accuracy
​±0.5mg/L
±0.2mg/
Resolution
​0.1mg/L
0.01mg/L
​% Saturation of Oxygen
​0.0~200.0%
0.0-200.0%
Accuracy
​±10°%
±2.0% F.S
​Resolution
0.1%
​0.1, 1%
​Calibration Points
1~2 points
​1~2 points
Temp. Compensation
​0~40°C, 32~104°F, Automatic
​0~50°C, 32~122°F, Automatic
Barometric Pressure Correction
​60.0~112.5kPa, 450~850mmHg
​60.0~112.5kPa, 450~850mmHg
Salinity Correction
0~35g/L
​0~50g/L
​Hold Function
Manual or Automatic
Manual or Automatic
Power Off
Manual or Automatic (180 minutes)
Manual or Automatic (10, 20, 30 minutes)
​Memory
/
Stores up to 500 data sets
Reset Function
​Yes
/
​Output
/
USB Communication Interface
Connector
​6-pin mini plug
6-pin mini plug
Display
​LCD (135x75mm)
/
Power Requirements
​DC9V/400mA power adapter
DC5V/400mA power adapter
​Dimensions(W*D*H)
210*205*75mm
210*188*60mm
Package Size(W*D*H)
​310*240*180mm
310*240*180m
​Net Weight
​1.5kg
​1.5kg
Gross Weight
​1.7kg
1.7k

Portable Water Hardness Meter

Picture
​Features:
  • 1 or 2 points calibration using air-saturated water and zero oxygen solution.
  • Automatic Temperature Compensation ensures accurate readings.Data Hold function freezes current reading for easy viewing and recording.
  • Help message as an operational guide that helps you quickly using the meter.
  • Built-in real-time clock stamps stored data to meet GLP standard.
  • Expanded memory stores and recalls up to 48 readings.(Only for PH-820)
Other features for PH-821:
  • Calibration Due Reminder prompts user to calibrate the meter regularly.
  • Stability indicator automatically shows current measurement status.
  • Selectable temperature unit (°C or °F) meets different application requirements.
  • System menu allows setting the 9 parameters, including the number of calibration points, resolution, stability condition, concentration units, etc.
  • Reset feature automatically resumes parameters back to factory default options.
  • Expanded memory stores and recalls up to 500 readings.
  • Stored data can be transferred into computer by USB communication interface.
  • Multi-mode power scheme (battery, power adapter, USB port) ensures that use the meter smoothly.
Accessories: Water hardness electrode, temperature probe, batteries and carrying case.
Technical Parameters:
Model
​PH-322
​Water Hardness Range
​0.05mmol/L~0.2mol/L, 0~19999mg/L (CaCO ), OU1220mg/L (CaO),
​Water Hardness Range
​0~400mmoI/L (Boiler), 0~8020mg/L (Ca)
​Water Hardness Range
0~1122°dH (German Degree), 0~2000°f (French Degree), ​0~1404°e (English Degree)
​Accuracy
±1% F.S
​Calibration Points
​2~5 points
​Calibration Solutions
0.001, 0.01, 0.1mmoI/L, mol/L
​Temperature Compensation
0~50°C, 32~122°F, Manual or Automatic
​mV Range
-1999.9~1999.9mV
​mV Accuracy
​±0.2mV
Resolution
0.1, mV, Selectable
Hold Function
​Manual or Automatic
Stability Conditions
Low or High
​Power Off
​Manual or Automatic (10, 20, 30 minutes)
Memory
Stores up to 500 data sets
​Output
USB Communication Interface
Connector
BNC
​Power Requirements
​3x1.5V "AA" batteries (Standard) or DCSV power adapter (Optional)
Dimensions
170*85*30mm
Package Size(W*D*H)
​475*155*350mm
Net Weight
300g
​Gross Weight
​2kg

Benchtop Water Hardness Meter

Picture
Features:
  • Professional benchtop water hardness meter is coming with an electrode from UK.
  • 2 to 5 points calibration from low to high concentrations.
  • Selectable water hardness units, including the mmol/L, mg/L (CaCOp), mg/L (CaO), mmol/L (Boiler), mg/L (Ca), French degree, German degree, and English degree.
  • Automatic Temperature Compensation ensures accurate reading over the entire range.

  • Calibration Due Reminder prompts user to calibrate the meter regularly.
  • Stability indicator automatically shows current measurement status.
  • Auto-Hold function freezes stable reading for easy viewing and recording.
  • Help message as an operational guide that helps you quickly begin using the meter.
  • System menu allows setting the 7 parameters, including the number of calibration points, stability condition, concentration unit, etc.
  • Reset feature automatically resumes parameters back to factory default options.
  • Expanded memory stores and recalls up to 500 readings.
  • Built-in real-time clock stamps stored data to meet GLP standard.
  • Stored data can be transferred into computer by USB communication interface.
Accessories:
  • Water hardness electrode
  • Temperature probe
  • USB cable
  • DCSV power adapter
Technical Parameters:
Model
PH-932
Water Hardness Range
0.05mmol/L~0.2mol/L, 0~19999mg/L (CaCO ), 0~1122Omg/L (CaO), 
​0~400mmoI/L (Boiler), 0~8020mg/L (Ca),
0~1122°dH (German Degree), 0~2000°F (French Degree), 0~1404°e (English Degree)
​Accuracy
±1% F.S
​Calibration Points
​2~5 points
Calibration Solutions
0.001, 0.01, 0.1mmol/L, mol/L
​Temp. Compensation
0~50°C, 32~122°F, Manual or Automatic
mV Range
-1999.9~1999.9mV
​mV Accuracy
​±0.2mV
Resolution
0.1, 1mV, Selectable
​Hold Function
​Manual or Automatic
Stability Conditions
Low or High
​Power Off
​Manual or Automatic (10, 20, 30 minutes)
Memory
Stores up to 500 data sets
​Output
USB Communication Interface
Connector
BNC
Power Requirements
DC5V/400mA power adapter
Dimensions (W*D*H)
​210*188*60mm
​Package Size (W*D*H)
​310*240*180mm
Net Weight
1.5kg
Gross Weight 
1.7kg

Portable Multiparameter Water Quality Meter

Picture
Other Features:
  • Automatic Temperature Compensation provides accurate measured values over the entire range.
  • Calibration Due Reminder prompts user to calibrate the meter regularly.
  • Stability indicator automatically shows current measurement status.
  • Auto-Hold function freezes stable reading for easy viewing and recording. Manual temperature calibration corrects the temperature deviation.
  • Selectable temperature unit (°C or °F ) meets different application requirements. Automatic electrode diagnosis shows zero point offset and electrode slope.
  • Help message as an operational guide that helps user quickly using the meter.
  • System menu allows setting the 15 parameters, including the resolution, number of calibration points, stability condition, measurement unit, etc.
  • Reset feature automatically resumes all settings back to factory default options.
  • Expanded memory stores and recalls up to 500 readings.
  • Built-in real-time clock stamps stored data to meet GLPstandard.
  • Stored data can transferred into computer by USB communicationinterface.
  • Multi-mode power scheme (battery, power adapter. USB port) ensures that use the meter smoothly.
  • Built-in real-time clock stamps stored data to meet GLP standard.
  • Stored data can be transferred into computer by USB communication interface.
  • Multi-mode power scheme (battery, power adapter, USB port) ensures that use the meter smoothly.
Features:              
            
PH Mode:
  • 1 to 5 points push-button calibration with auto-buffer recognition.
  • Selectable pH buffer standard ( USA / NIST / DIN ) or using the custom calibration solutions.
  • Automatic electrode slope display helps user decide whether to replace sensor. 
​ORP Mode:
  • 1 point offset calibration allows adjusting the displayed value to known standard.
  • Relative and absolute mV measurements provide the accurate ORP readings.
Ion Concentration Made:
  • 2 to 5 points calibration including the eight concentration points can be selected.
  • MV measurement mode can be used for checking the performance of current ion selective electrode.
  • Automatically recognize ion electrodes. does not need to specify the type of ion.
  • Direct ion concentration readout simplifies the elaborate measurement process.
  • Selectable concentration unit Including the ppm, mg/L, mol/L, mmol/L for different applications. ​
Conductivity/TDS/Salinity/Resistivity Mode:
  • 1 to 5 points calibration with automatic calibration solution recognition.
  • Selectable cell constant (0.1/1/10), normalization temperature (20°C or 25°C), TDS conversion factor, seawater, and practical salinity measurement modes.
  • Linear or pure water compensation improves the measurement accuracy.
Dissolved Oxygen Mode:
  • 1 or 2 points calibration using the air-saturated water and zero oxygen solution,
  • Manual salinity and barometric pressure compensation ensure accurate readings. 
​Accessories: Temperature probe. Calibration solutions. Batteries.
A Carrying case. pH, conductivity, and dissolved oxygen electrodes.
​Technical Parameters:
Model
 
PH-900P
​PH
Range
​-2.000~20.000pH
PH
Accuracy
±0.002pH
​PH
​Calibration Points
1~5 points
PH
Calibration Solutions
USA, NIST. DIN or User-defined
​ORP
​Range
-1999.9~1999.9mV
​ORP
Accuracy
​±0.2mV
​ORP
​Calibration Points
​1 point
ORP
Measurement Modes
mV and Relative mV
Ion
​Range
​0~19999ppm, mg/L, mol/L (Depending on range of ISE)
​Ion
Accuracy
±0.5% F S (Manovalent), ±1% F.S (Divalent)
​Ion
​Calibration Points
2~5 points
​Ion
Calibration Solutions
0.001, 0.01, 0.1, 1, 10, 100, 1000, 10000ppm, mol/L, mg/L
Conductivity
Range
0~20.00, 200.0, 2000µS/cm, 20.00, 200.0mS/cm
Conductivity
Accuracy
​±0.5% F.S
​Conductivity
​Calibration Points
​1~5 points
​Conductivity
Calibration Solutions
10µS/cm, 84µS/cm, 1413µS/cm,12.88mS/cm,111.8mS/cm
Conductivity
​Temperature Coefficient
​0.0-10.0%/°C
​Conductivity
​Compensation Modes
​Linear or Pure Water
​Conductivity
​Cell Constant
K=0.1, 1, 10 or User-defined
Conductivity
Normalization Temperature
​20°C or 25°C
​TDS
Range
0~100ppt (Max. 200ppt, depending on factor setting)
​TDS
​Accuracy
​±1% F.S
​TDS
TDS Factor
​0.1~1.0 (Default 0.5)
​Salinity
Range
​0~10ppt (Max. 80ppt)
​Salinity
Accuracy
±1% F.S
Salinity
Measurement Modes
Seawater or Practical Salinity
​Resistivity
Range
​0~100MΩ
​Resistivity
​Accuracy
±1% F.S
Resistivity
Resolution
​0.01, 0.1, 1
​Dissolved Oxygen
Concentration Range
0.00~20.00mg/L (or ppm)
​Dissolved Oxygen
​Accuracy
±0.2mg/L
​Dissolved Oxygen
Calibration Points
​1~2 points
​Dissolved Oxygen
​Pressure Correction
60.0~112.5kPa, 450~850mmHg
​Dissolved Oxygen
Salinity Correction
​0~50g/L
Dissolved Oxygen
​% Saturation of Oxygen
0.0~200.0%
​Dissolved Oxygen
Accuracy
​±2.0%
​Temperature
​Range
​0~105°C/32~221°F
​Temperature
Resolution
0.1°C/0.1° F
​Temperature
Accuracy
​±0.5°C/±0.9°F
Temperature
Offset Calibration
1 point, measured value: ±10°C
​Others
Temperature Compensation
0~100°C, 32~212°F. Manual or Automatic
​Others
​Stability Conditions
Low or High
​Others
Calibration Due
​0 to 31 days
​Others
Memory
Stores up to 500 data sets
​Others
​Output
​USB Communication Interface
​Others
Power Requirements
3x1.5V "AA" batteries (Standard) or DCSV power adapter (Optional)
​Others
​Dimensions
​185*’88*32mm
​Others
Package Size(W*D”H)
475*155*350mm
​Others
Net Weight  
300g
Others
​Gross Weight
​2kg

 Benchtop Multiparameter Water Quality Meter

Picture
Other Features:
  • Automatic Temperature Compensation provides accurate measured values over the entire range.
  • Calibration Due Reminder prompts user to calibrate the meter regularly.
  • Stability indicator automatically shows current measurement status.
  • Auto-Hold function freezes stable reading for easy viewing and recording.
  • Manual temperature calibration corrects the temperature deviation.
  • Selectable temperature unit (°C or °F) meets different application requirements.
  • Automatic electrode diagnosis shows zero point offset and electrode slope.
  • Help message as an operational guide that helps user quickly using the meter.
  • System menu allows setting the 15 parameters, including the resolution, number of calibration points, stability condition, measurement unit, etc.
  •  Reset feature automatically resumes all settings back to factory default options.
  • Expanded memory stores and recalls up to 500 readings.
  • Built-in real-time clock stamps stored data to meet GLP standard.
  • Stored data can be transferred into computer by USB communication interface.
Accessories:
  • PH, conductivity, and dissolved oxygen electrodes.
  • Temperature probe.
  • Calibration solutions.
  • USB cable.
  • DCSV power adapter.
Measurement Modes:
PH, ORP, Ion, Conductivity, TDS, Salinity, Resistivity and Dissolved Oxygen.
 
Features:

PH Mode:
  • 1 to 5 points push-button calibration with auto-buffer recognition.
  •  Selectable pH buffer standard (USA / NIST / DIN) or using the custom calibration solutions. I Automatic electrode slope display helps user decide whether to replace sensor.
​
ORP Mode:
  • 1 point offset calibration allows adjusting the displayed value to known standard.
  • Relative and absolute mV measurements provide the accurate ORP readings.
Ion Concentration Mode:
  • 2 to 5 points calibration including the eight concentration points can be selected.
  • mV measurement mode can be used for checking the performance of current ion selective electrode.
  • Automatically recognize ion electrodes, does not need to specify the type of ion.
  • Direct ion concentration readout simplifies the elaborate measurement process.
  • Selectable concentration unit including the ppm, mg/L, mol/L, mmol/L for different Applications
 ORP Mode:
  • 1 point offset calibration allows adjusting the displayed value to known standard.
  • Relative and absolute mV measurements provide the accurate ORP readings. 
Ion Concentration Mode:
  • 2 to 5 points calibration including the eight concentration points can be selected.
  • mV measurement mode can be used for checking the performance of current ion selective electrode.
  • Automatically recognize ion electrodes, does not need to specify the type of ion.
  • Direct ion concentration readout simplifies the elaborate measurement process.
  • Selectable concentration unit including the ppm, mg/L, mol/L, mmol/L for different Applications
Technical Parameters:
Model
 
PH-900
​PH
Range
​-2.000~20.000pH
PH
Accuracy
±0.002pH
​PH
​Calibration Points
1~5 points
PH
Calibration Solutions
USA, NIST. DIN or User-defined
​ORP
​Range
-1999.9~1999.9mV
​ORP
Accuracy
​±0.2mV
​ORP
​Calibration Points
​1 point
ORP
Measurement Modes
mV and Relative mV
Ion
​Range
​0~19999ppm, mg/L, mol/L (Depending on range of ISE)
​Ion
Accuracy
±0.5% F S (Manovalent), ±1% F.S (Divalent)
​Ion
​Calibration Points
2~5 points
​Ion
Calibration Solutions
0.001, 0.01, 0.1, 1, 10, 100, 1000, 10000ppm, mol/L, mg/L
Conductivity
Range
0~20.00, 200.0, 2000µS/cm, 20.00, 200.0mS/cm
Conductivity
Accuracy
​±0.5% F.S
​Conductivity
​Calibration Points
​1~5 points
​Conductivity
Calibration Solutions
10µS/cm, 84µS/cm, 1413µS/cm,12.88mS/cm,111.8mS/cm
Conductivity
​Temperature Coefficient
​0.0-10.0%/°C
​Conductivity
​Compensation Modes
​Linear or Pure Water
​Conductivity
​Cell Constant
K=0.1, 1, 10 or User-defined
Conductivity
Normalization Temperature
​20°C or 25°C
​TDS
Range
0~100ppt (Max. 200ppt, depending on factor setting)
​TDS
​Accuracy
​±1% F.S
​TDS
TDS Factor
​0.1~1.0 (Default 0.5)
​Salinity
Range
​0~10ppt (Max. 80ppt)
​Salinity
Accuracy
±1% F.S
Salinity
Measurement Modes
Seawater or Practical Salinity
​Resistivity
Range
​0~100MΩ
​Resistivity
​Accuracy
±1% F.S
Resistivity
Resolution
​0.01, 0.1, 1
​Dissolved Oxygen
Concentration Range
0.00~20.00mg/L (or ppm)
​Dissolved Oxygen
​Accuracy
±0.2mg/L
​Dissolved Oxygen
Calibration Points
​1~2 points
​Dissolved Oxygen
​Pressure Correction
60.0~112.5kPa, 450~850mmHg
​Dissolved Oxygen
Salinity Correction
​0~50g/L
Dissolved Oxygen
​% Saturation of Oxygen
0.0~200.0%
​Dissolved Oxygen
Accuracy
​±2.0%
​Temperature
​Range
​0~105°C/32~221°F
​Temperature
Resolution
0.1°C/0.1° F
​Temperature
Accuracy
​±0.5°C/±0.9°F
Temperature
Offset Calibration
1 point, measured value: ±10°C
​Others
Temperature Compensation
0~100°C, 32~212°F. Manual or Automatic
​Others
​Stability Conditions
Low or High
​Others
Calibration Due
​0 to 31 days
​Others
Memory
Stores up to 500 data sets
​Others
​Output
​USB Communication Interface
​Others
Power Requirements
3x1.5V "AA" batteries (Standard) or DCSV power adapter (Optional)
​Others
​Dimensions
210*188*60mm
​Others
Package Size(W*D”H)
310*240*180mm
​Others
Net Weight  
1.5kg
Others
​Gross Weight
1.7kg

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