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Spectrophotometer

UV/VIS Spectrophotometer

Basic Functions:
​Model
Optical System
Wavelength Range
​Bandwidth
​Photo-metry
QTY 
MULT
KINS 
Scann-ing
Bio
BK-V1000
​Single Beam
​325-1020nm
​4nm
​•
 
 
 
 
 
BK-UV1000
​Single Beam
200-1020nm
​4nm
​•
  
  
 
 
 
​BK-V1200
​Single Beam
325-1020nm
4nm
​•
​•
  
 
 
 
BK-UV1200
​Single Beam
​200-1020nm
​4nm
​•
​•
 
 
 
 
​BK-V1600
​Single Beam
320-1100nm
4nm
​•
​•
​•
•
 
 
BK-UV1600
​Single Beam
​190-1100nm
4nm
​•
​•
​•
​•
 
 
BK-V1800
​Single Beam
​320-1100nm
​2nm
​•
•
​•
•
 
 
BK-UV1800
​Single Beam
190-1100nm
​2nm
​•
​•
•
​•
 
 
​BK-V1900
​Single Beam
190-1100nm
​2nm
​•
​•
​•
​•
 
 
BK-UV1900
​Single Beam
​190-1100nm
​2nm
​•
​•
​•
​•
•
​•
BK-S360
​Single Beam
190-1100nm
1.8nm
​•
​•
​•
•
•
​•
​BK-S380
​Single Beam
​190-1100nm
​1nm
​•
​•
•
•
•
​•
BK-S390
Single Beam
​190-1100nm
0.5, 1, 2, 4,5nm
​•
​•
•
​•
​•
•
​BK-D560
​Double Beam
190-1100nm
​1.8nm
​•
​•
​•
•
​•
•
​BK-D580
​Double Beam
190-1100nm
1nm
•
​•
​•
​•
​•
​•
​BK-DS90
​Double Beam
​190-1100nm
​0.5, 1, 2,4, 5nm
​•
•
​•
​•
​•
​•

UV/VIS Spectrophotometer

Picture
Features:
  • Large LCD screen (128*64 Dots)
  • Pre-aligned design ensures the user can change lamps conveniently.
  • With SiO2 coating optical mirror, reducing the pollution from outside fully.
  • ​Environmental Deuterium lamp, preventing from Ozone inhalation.
  • High-class grating, wholly hermetic light path design, ensures the super low stray light.
  • Real-time monitoring the lifetime of Deuterium lamp and Tungsten lamp with advanced system.
  • Wavelength calibration, wavelength setting, change lamp source and dark current calibration automatically. 
  • Optional PC Software to expand the applications to Quantitative, Multi-Wavelength and Kinetics.
  • Widely used for Organic chemistry, inorganic chemistry, Life sciences, food, Medicine and health, Agriculture, Geology, Metallurgy and Environment etc. fields.
Picture
Basic Functions:
  • Photometry: Test Abs, Transmittance by fixed wavelength.  
Quantitative
  • C Mode: Establish C=K*A curve, test sample concentration.
  • F Mode: Establish A=K1*C+KO, test sample concentration.
  • Display and save curve, test data (BK-V1200).
​Technical Parameters:
Model
BK-UV1000
​BK-V1000
​BK-UV1200
BK-V1200
​Optical System
Single Beam.
​Grating 1200 lines/mm
​Single Beam. 
​Grating 1200 lines/mm
​Single Beam. 
​Grating 1200 lines/mm
Single Beam. 
​Grating 1200 lines/mm
Wavelength Range
200~1020nm
325~1000nm
200~1O2Onm
320~1O2Onm
Spectral Bandwidth
4nm
​4nm
4nm
4nm
​Wavelength Accuracy
​±2nm
​±2nm
​±2nm
​±2nm
Wavelength Repeatability 
​1nm
1nm
0 8nm
0 8nm
​Photometric Accurancy 
​±0.002A (0~0.5Abs), ±0.004 A (0.5~1.0Abs), ±0.5/%T (0~100% T) 
​±0.002A (0~0.5Abs), ±0.004 A (0.5~1.0Abs), ±0.5/%T (0~100% T) 
​±0.002A (0~0.5Abs), ±0.004 A (0.5~1.0Abs), ±0.5/%T (0~100% T) 
​±0.002A (0~0.5Abs), ±0.004 A (0.5~1.0Abs), ±0.5/%T (0~100% T) 
Photometric Repatability 
​0/001Abs (0~0 5Abs)/0.00/Abs(05~1:0Abs), ≤0.2%T(0 100%T)
​0/001Abs (0~0 5Abs)/0.00/Abs(05~1:0Abs), ≤0.2%T(0 100%T)
​0/001Abs (0~0 5Abs)/0.00/Abs(05~1:0Abs), ≤0.2%T(0 100%T)
​0/001Abs (0~0 5Abs)/0.00/Abs(05~1:0Abs), ≤0.2%T(0 100%T)
​Stray Light 
​≤0.2% T @360nm; 220nm
​≤0.2% T @360nm; 220nm
​0.2% T @ 360nm, 220nm
​0.2% T @ 360nm, 220nm
​Stability 
​±0 004A/h@500nm
​±0.002A/h@500nm
​±0.002A/h@500nm
±0.002A/h@500nm
Noise 
±0.001A
​±0.001A
​±0.001A
±0.001A
Display 
128*64 Dots LCD
​128*64 Dots LCD
​128*64 Dots LCD
​128*64 Dots LCD
Photometric Mode
​T, A, C, E
​T, A, C, E
T, A, C, E
T, A, C, E
​Photometric Range
​0~200%T, -0.301~3.0A
​0~200%T, -0.301~3.0A
​0~200%T, -0.301~3.0A
0~200%T, -0.301~3.0A
Detector
​Silicon Photodiode
​Silicon Photodiode
​Silicon Photodiode
Silicon Photodiode
Light Source
 Deuterium Lamp, Tungsten Lamp
​ Deuterium Lamp, Tungsten Lamp
 Deuterium Lamp, Tungsten Lamp
 Deuterium Lamp, Tungsten Lamp
Input
Membrane Keypad
​Membrane Keypad
Membrane Keypad
Membrane Keypad
​Standard Accessories
10 mm glass cuvette*4 units 10mm quartz cuvette*2 units
​10mm glass
​cuvette*4 units
​10 mm glass cuvette*4 units 10mm quartz cuvette*2 units
10mm glass 
cuvette*4 units 
​
Optional Accessories
​4-place Cell holder, Printer, Test tube holder, Deuterium lamp, Halogen lamp
​​4-place Cell holder, Printer, Test tube holder, Deuterium lamp, Halogen lamp
​​4-place Cell holder, Printer, Test tube holder, Deuterium lamp, Halogen lamp
​​4-place Cell holder, Printer, Test tube holder, Deuterium lamp, Halogen lamp
Power Supply 
​110/220V±10%, 60/50Hz
​110/220V±10%, 60/50Hz
​110/220V±10%, 60/50Hz
​110/220V±10%, 60/50Hz
Package Size
​(W*D*H)mm
560*420*320
 560*430*320
560*430*320
560*430*320
Gross Weight (kg)
12
​11.5
12
​11.5

UV/VIS Spectrophotometer

Picture
Basic Functions:
  • Photometry: Test Abs., Transmittance and Energy by fixed wavelength.
  • Kinetics: Used for time course scanning or reaction rate calculations ΔA/t, can search all data.
  • Multi-Wavelength​: Can test Transmittance and Abs. with 8 different wavelengths at most.

Quantitative:
Linear fit and Linear fit through zero two modes.
  • Coefficient, Standard Sample input and Standard. Sample read three modes to establish standard curve. 
  • Establish A=K1*C+K0, can search original data, graph curve, parameters settings.
  • Double wavelength, Triple wavelength test functions.
Features: 
  • With Si02 coating optical mirror, reducing the pollution from outside fully.
  • Wavelength calibration, wavelength setting, change lamp source and dark current calibration automatically.
  • With GLP self-check function, check the wavelength accuracy and Photometry accuracy.
  • PC Software to expand the applications to Quantitative, Multi-Wavelength and Kinetics, Spectrum Scanning, DNA/Protein test for PC Series.
Technical Parameters:
Model
BK-UV1800
BK-UV1800PC 
​BK-UVI600
BKUV1600PC 
BK-V1800
BK-V1800PC
​BK-V1600
BK-1600PC
Optical System
Single Beam,
​Grating 1200 Iines/mm
​Single Beam, 
​Grating 1200 Iines/mm
​Single Beam, 
​Grating 1200 Iines/mm
Single Beam, 
​Grating 1200 Iines/mm
Wavelength Range
190~1100nm
​190~1100nm
​320-1100nm
​320-1100nm
Spectral Bandwidth
​2nm
​4nm
​2nm
​4nm
​Wavelength Accuracy
​±0.5nm
​±0.5nm
±0.5nm
±0.5nm
Wavelength Repeatability
​≤0.3nm
​≤0.3nm
​≤0.3nm
≤0.3nm
Photometric Accuracy
​±0.002A (0~0.5Abs), 0.004A (0.5~1.0Abs), ±0.5% T (0~100% T)
​​±0.002A (0~0.5Abs), 0.004A (0.5~1.0Abs), ±0.5% T (0~100% T)
​​±0.002A (0~0.5Abs), 0.004A (0.5~1.0Abs), ±0.5% T (0~100% T)
​​±0.002A (0~0.5Abs), 0.004A (0.5~1.0Abs), ±0.5% T (0~100% T)
Photometric Repeatability
​0.001Abs (0~0.5Abs), 0.002Abs (0.5~1.0Abs), ≤0.2 0/ T (0~100% T) 
0.001Abs (0~0.5Abs), 0.002Abs (0.5~1.0Abs), ≤0.2 0/ T (0~100% T) 
​0.001Abs (0~0.5Abs), 0.002Abs (0.5~1.0Abs), ≤0.2 0/ T (0~100% T) 
​0.001Abs (0~0.5Abs), 0.002Abs (0.5~1.0Abs), ≤0.2 0/ T (0~100% T) 
​Stray Light
≤0.05% T @ 360nm; 220nmn
≤0.05% T @ 360nm; 220nmn
​≤0.05% T @ 360nm; ​220nmn
​≤0.05% T @ 360nm; ​220nmn
Stability 
​±0.001A/h @ 500nm 
​±0.001A/h @ 500nm 
​±0.001A/h @ 500nm 
±0.001A/h @ 500nm 
​Baseline Flatness 
​±0.002A
​±0.002A
​±0.002A
​±0.002A
Noise
±0.0005A
​±0.0005A
​±0.0005A
±0.0005A
Display 
​480*272 65 thousand true color TFT LCD 
​480*272 65 thousand true color TFT LCD 
​480*272 65 thousand true color TFT LCD 
​480*272 65 thousand true color TFT LCD 
Photometric Mode
​T, A, C, E
​T, A, C, E
​T, A, C, E
​T, A, C, E
​Photometric Range 
0~200% T, -0.301~3.0A  
0~200% T, -0.301~3.0A  
​0~200% T, -0.301~3.0A  
​0~200% T, -0.301~3.0A  
Detector
​Silicon Photodiode  
​​Silicon Photodiode  
​​Silicon Photodiode
​Silicon Photodiode
​Light Source
​Deuterium Lamp, Tungsten Lamp
​Deuterium Lamp, Tungsten Lamp
​Deuterium Lamp, Tungsten Lamp
Deuterium Lamp, Tungsten Lamp
​Input 
​Membrane Keypad
​Membrane Keypad
​Membrane Keypad
​Membrane Keypad
Output
​USB Print and data output, Connect PC 
​USB Print and data output, Connect PC 
​USB Print and data output, Connect PC 
USB Print and data output, Connect PC 
​Standard Accessories
​10mm glass cuvette*4 units
10mm quartz cuvette*2 units
10mm glass cuvette*4 units
10mm quartz cuvette*2 units
10mm glass 
​cuvette*4 units
10mm glass
​cuvette*4 units
Optional ​Accessories
​Single cell holder, General cell holder, Test tube holder, Solid sample holder, Deuterium lamp, Halogen lamp, 4-place Cell holder, Printer, Water-jacketed cell holder,
Reflection accessory 5°,
​Auto 8-cell changer,.
Micro cell holder, Water-jacketed cell holder, Constant-temperature system
​​Single cell holder, General cell holder, Test tube holder, Solid sample holder, Deuterium lamp, Halogen lamp, 4-place Cell holder, Printer, Water-jacketed cell holder,
Reflection accessory 5°, 
​Auto 8-cell changer,.
Micro cell holder, Water-jacketed cell holder, Constant-temperature system
4-piace Cell holder, Pointer, Test tube holder, Deuterium lamp,
​Halogen Camp
​4-piace Cell holder, Pointer, Test tube holder, Deuterium lamp, 
​Halogen Camp
​Power Supply
​AC110/220V±10%, 60/50Hz
​AC110/220V±10%, 60/50Hz
​AC110/220V±10%, 60/50Hz
​AC110/220V±10%, 60/50Hz
Package Size
​(W*D*H)mm
​620*500*370
 620*500*370
​ 620*500*370
 620*500*370
Gross Weight (kg)
18
18
16.5
16.5

Scanning UV/VIS Spectrophotometer

Picture
 Features:
  • With Si02 coating optical mirror, reducing the pollution from outside fully.
  • Adopted high-class grating with wholly hermetic light path design, to ensure the instrument has the super low stray light.
  • With GLP self-check function, check the wavelength accuracy and Photometry accuracy.
  • Real-time monitoring the lifetime of Deuterium lamp and Tungsten lamp with advanced system
  • Wavelength calibration, wavelength setting, change lamp source and dark current calibration automatically
Basic Functions:
  • Photometry
Test Abs., Transmittance and Energy by fixed wavelength.
  • Quantitative
Linear fit and Linear fit through zero two modes
a. Coefficient, Standard Sample input and Standard. Sample read three modes to establish standard curve.
b. Establish A=K1*C+K0, can search original data, graph curve, parameters settings.
c. Can save 240 group curves, can test 240 data in each curve.
Double wavelength, Triple wavelength test functions.
  • Kinetics
Used for time course scanning or reaction rate calculations ΔA/t can search all data.
  • Multi-Waveleng
Can test Transmittance and Abs. with 8 different wavelengths at most.
  • Scanning
User can set the scan range from 190nm to 1100nm to test the max. Abs. peak value, can do derivation, arithmetical operation to the graph.
  • Biology
6 methods: DNA/Protein, UV, Lowry, BCA, CBB and Biuret.
Technical Parameters:
Model
BK-UV1000
​BK-UV1000PC
​BK-V1900
BK-V1900PC
Optical System
I Single Beam, Grating 1200 fines/mm
​I Single Beam, Grating 1200 fines/mm
Wavelength Range
190~11 00nm
320-1100nm
Spectral Bandwidth
2nm
​2nm
Wavelength Accuracy
​±0.5nm
±0.5nm
Wavelength Repeatability
​≤0 3nm
≤0 3nm
Photometric Accuracy
±0.002A (0~0.5Abs), ±0.004A
​(0.5-1.0Abs), ±0.5% T (0-100% T)
±0.002A (0~0.5Abs), ±0.004A (0.5-1.0Abs),
​±0.5% T (0-100% T)
​Photometric Repeatability
0.001Abs (0~0.5Abs), 0.002Abs
​(0.5~1.0Abs), ≤0.2% T ​(0~100% T)
0.001Abs (0~0.5Abs), 0.002Abs 
​(0.5~1.0Abs), ≤0.2% T ​(0~100% T)
Stray Light
≤0.05% T @ 360nM, 220nm 
≤0.05% T @ 360nM, 220nm 
Baseline Flatness
​±0.002A
±0.002A
Noise
​0.0005Abs @ 500nm
​0.0005Abs @ 500nm
Display
​480*272 65 thousand true color TFT LCD
​480*272 65 thousand true color TFT LCD
Photometric Mode
​T, A, C, E
​T, A, C, E
​Photometric Range
​0~200% T, -0.301~3.0A
​0~200% T, -0.301~3.0A
​Detector 
Silicon Photodiode
​Silicon Photodiode
​Light Source
Deuterium Lamp, Tungsten Lamp
Deuterium Lamp, Tungsten Lamp
​Input
Membrane Keypad
Membrane Keypad
Output
USB Print and data output, Connect PC 
​USB Print and data output, Connect PC 
Standard Accessories
10mm glass cuvette*4 units
10mm quartz cuvette*2 units
​10mm glass cuvette*4 units
​Stability
​±0.0008A/ h @500nm
​±0.0008A/ h @500nm
Optional Accessories 
Single cell holder, General cell holder, Test tube holder, Solid sample holder, Deuterium lamp, Halogen lamp, 4-place Cell holder, Printer, Water-jacketed cell holder, Reflection accessory 5°, Auto 8-cell changer,
​Micro cell holder, Water-jacketed cell holder,
Constant-temperature system
Single cell holder, General cell holder, Test tube holder, Solid sample holder, Deuterium lamp, Halogen lamp, 4-place Cell holder, Printer, Water-jacketed cell holder, Reflection accessory 5°, Auto 8-cell changer, ​Micro cell holder, Water-jacketed cell holder, Constant-temperature system
Power Supply
​AC110V/220±10%, 60/50Hz
AC110V/220±10%, 60/50Hz
Packages Size(W*D*H)mm
620*500*370
620*500*370
Gross Weight(kg)
​18
16.5

Scanning UV/VIS Spectrophotometer

Picture
Basic Functions:
  • Photometry
Test Abs., Transmittance and Energy by fixed wavelength
  • Quantitative
Linear fit and Linear fit through zero two modes
a Coefficient, Standard Sample input and Standard Sample read three modes to establish standard curve.
b. Establish A=K1*C+K0, can search original data, graph 6 curve, parameters settings.
c. Can save 240 group curves, can test 240 data in each curve.
d. Double wavelength, Triple wavelength test functions
Features:
  • Environmental Deuterium lamp, preventing from Ozone inhalation.
  • Socket-Type Deuterium lamp and Tungsten lamp
  • SiOz coating optical mirror, reduces the influence from outside.  GLP self-check function: check the wavelength accuracy and
  • Photometry accuracy, provide test report and power-off protection Wavelength calibration, wavelength setting, change lamp source.
  • and dark current calibration automatically
  • Kinetics
Used for time course scanning or reaction rate calculations ΔA/t, can search all data.
  • Multi-Wavelength
Can test Transmittance and Abs. with 8 different wavelengths at most.
  • Scanning
User can set the scan range from 190nm to 1100nm to test the max. Abs. peak value, can do derivation, arithmetical operations to the graph.
  • Biology
DNA/Protein, (Optional: UV, Lowry, BCA, CBB and Biuret)
​Technical Parameters:
Model
​BK-S360
​BK-S380
BK-S300
Optica System
Single Beam.
Grating 1200 lines/mm
​Single Beam. 
Grating 1200 lines/mm
Single Beam. 
Grating 1200 lines/mm
Wavelength Range
190~1100nm
​190~1100nm
190~1100nm
Spectral Bandwidth
1.8nm
1nm
0.5, 1, 2, 4, 5nm
​Wavelength Accuracy
​±0.3nm
​​±0.3nm
​±0.3nm
Wavelength Repeatability
​≤0.2nm
​​≤0.2nm
​​≤0.2nm
​Photometric Accuracy
​±0.002A (0~0.5Abs), ±0.004A
​(0.5-1.0Abs), ±0.3% T (0-100% T)
​±0.002A (0~0.5Abs), ±0.004A
​(0.5-1.0Abs), ±0.3% T (0-100% T)
±0.002A (0~0.5Abs), ±0.004A
​(0.5-1.0Abs), ±0.3% T (0-100% T)
Photometric Repeatability
​0.001Abs (0~0.5Abs), 0.002Abs 
​(0.5~1.0Abs), ≤0.1% T ​(0~100% T)
​0.001Abs (0~0.5Abs), 0.002Abs 
​(0.5~1.0Abs), ≤0.1% T ​(0~100% T)
​0.001Abs (0~0.5Abs), 0.002Abs 
​(0.5~1.0Abs), ≤0.1% T ​(0~100% T)
Stray Light
≤0.04% T @ 360nm, 220nm 
​≤0.04% T @ 360nm, 220nm 
≤0.04% T @ 360nm, 220nm 
Stability 
​​±0.0001A/ h @500nm
​​±0.0001A/ h @500nm
​​±0.0001A/ h @500nm
​Baseline Flatness
​±0.0015A
​±0.0015A
±0.0015A
Noise
​​0.0004Abs @ 500nm
​​0.0004Abs @ 500nm
​​0.0004Abs @ 500nm
Display
65 thousand true color TFT LCD
​(​480*800)
65 thousand true color TFT LCD 
​(​480*800)
65 thousand true color TFT LCD 
​(​480*800)
​Photometric Mode
​​T, A, C, E
​​T, A, C, E
​T, A, C, E
​​Photometric Range
​​0~200% T, -0.301~3.0A
​0~200% T, -0.301~3.0A
​​0~200% T, -0.301~3.0A
​Detector 
​Silicon Photodiode
​Silicon Photodiode
Silicon Photodiode
​Light Source
​Deuterium Lamp, Tungsten Lamp
​Deuterium Lamp, Tungsten Lamp
Deuterium Lamp, Tungsten Lamp
​Input
​Membrane Keypad
​Membrane Keypad
Membrane Keypad
Output
USB Print and data output,
​Connect PC 
​USB Print and data output, 
​Connect PC 
​USB Print and data output, 
​Connect PC 
​Standard Accessories
​​10mm glass cuvette*4 units
10mm quartzcuvette*2 units
software
​​10mm glass cuvette*4 units
10mm quartzcuvette*2 units
software
​10mm glass cuvette*4 units
10mm quartzcuvette*2 units
software
​Optional Accessories
​Single cell holder, General cell holder, Test tube holder, Solid sample holder, Deuterium lamp, Halogen lamp, 4-place Cell holder, Printer, Water-jacketed cell holder, Reflection accessory 5°, Auto 8-cell changer, ​Micro cell holder, Water-jacketed cell holder, Constant-temperature system
​Single cell holder, General cell holder, Test tube holder, Solid sample holder, Deuterium lamp, Halogen lamp, 4-place Cell holder, Printer, Water-jacketed cell holder, Reflection accessory 5°, Auto 8-cell changer, ​Micro cell holder, Water-jacketed cell holder, Constant-temperature system
Single cell holder, General cell holder, Test tube holder, Solid sample holder, Deuterium lamp, Halogen lamp, 4-place Cell holder, Printer, Water-jacketed cell holder, Reflection accessory 5°, Auto 8-cell changer, ​Micro cell holder, Water-jacketed cell holder, Constant-temperature system
Power Supply
​AC110/220±10%, 60/50Hz
AC110/220±10%, 60/50H
​AC110/220±10%, 60/50Hz
Package Size
(W*D*H) mm 
​740*570*440
​740*570*440
​740*570*440
​Gross Weight(kg)
​25
​25
25

Double Beam Scanning UV/VIS Spectrophotometer

Picture
​Features:
  • Environmental Deuterium lamp, preventing from Ozone inhalation.
  • Real-time monitoring the lifetime of Deuterium lamp and Tungsten lamp Socket-Type Deuterium lamp and Tungsten lamp.
  • GLP self-check function: check the wavelength accuracy and Photometry accuracy, provide test report and power-off protection.
  • Wavelength calibration, wavelength setting, change lamp source and dark current calibration automatically
  • SiO2 coating optical mirror, reduces the influence from outside
Basic Functions:
  • Photometry
Test Abs., Transmittance and Energy by fixed wavelength.
Quantitative
Linear fit and Linear fit through zero two modes
a Coefficient, Standard Sample input and Standard Sample read three modes to establish standard curve.
a. Establish A=K1*C+K0, can search origina1 data, graph curve, parameters setting
b. Can save 240 group curves, can test 240 data in each curve.
c. Double wavelength, Triple wavelength test functions.
  • Kinetics
Used for time course scanning or reaction rate calculations ΔA/t, can search all data.
  • Multi-Wavelength
Can test Transmittance and Abs. with 8 different wavelengths at most.
  • Scanning
User can set the scan range from 190nm to test the max. Abs. peak value, can do
derivation, arithmetical operations to the graph.
  • Biology
6 methods. DNA/Protein, UV, Lowry, BCA, CBB
and Biuret.
​Technical Parameters:
Model
BK-D560
BK-D580
BK-D590
Optical System
Double Beam.
Grating 1200 lines/mm
​Double Beam. 
Grating 1200 lines/mm
​Double Beam. 
Grating 1200 lines/mm
Wavelength Range
190 ~1100nm
​190 ~1100nm
​190 ~1100nm
Spectral Bandwidth 
1.8nm
1nm
0.5, 1, 2, 4, 5nm   
​Wavelength Accuracy
​​±0.3nm
​​±0.3nm
​±0.3nm
Wavelength Repeatability
​​​≤0.2nm
​​​≤0.2nm
​​≤0.2nm
Photometric Accuracy
​±0.002A (0~0.5Abs), ±0.004A
​(0.5~1.0Abs), ±0.3% T (0-100% T)
​±0.002A (0~0.5Abs), ±0.004A
​(0.5~1.0Abs), ±0.3% T (0-100% T)
​±0.002A (0~0.5Abs), ±0.004A
​(0.5~1.0Abs), ±0.3% T (0-100% T)
​Photometric Repeatability
​0.001Abs (0~0.5Abs), 0.002Abs 
​(0.5~1.0Abs), ≤0.2% T ​(0~100% T)
​0.001Abs (0~0.5Abs), 0.002Abs 
​(0.5~1.0Abs), ≤0.2% T ​(0~100% T)
​0.001Abs (0~0.5Abs), 0.002Abs 
​(0.5~1.0Abs), ≤0.2% T ​(0~100% T)
Stray Light
​≤0.04% T @ 360nm, 220nm 
​≤0.04% T @ 360nm, 220nm 
≤0.04% T @ 360nm, 220nm 
​Stability 
​​±0.0003A/ h @500nm
​​±0.0003A/ h @500nm
​±0.0003A/ h @500nm
​Baseline Flatness
​±0.0005A
​±0.0005A
±0.0005A
​Noise
​​0.0002Abs 
​​0.0002Abs 
​​0.0002Abs 
​Display
65 thousand true color TFT LCD
​(​480*800)
​65 thousand true color TFT LCD 
​(​480*800)
65 thousand true color TFT LCD 
​(​480*800)
​Photometric Mode
​T, A, C, E
​T, A, C, E
​T, A, C, E
​​Photometric Range
​​0~200% T, -0.301~3.0A
​​0~200% T, -0.301~3.0A
​0~200% T, -0.301~3.0A
​Detector 
​​Silicon Photodiode
​Silicon Photodiode
​​Silicon Photodiode
​​Light Source
​Deuterium Lamp, Tungsten Lamp
​Deuterium Lamp, Tungsten Lamp
Deuterium Lamp, Tungsten Lamp
​Input
​Membrane Keypad
​Membrane Keypad
Membrane Keypad
​Output
​USB Print and data output, Connect PC 
USB Print and data output, Connect PC 
​USB Print and data output, Connect PC 
​Standard Accessories
​​10mm glass cuvette*4 units
10mm quartzcuvette*2 units
software
​​10mm glass cuvette*4 units
10mm quartzcuvette*2 units
software
​​10mm glass cuvette*4 units
10mm quartzcuvette*2 units
software
Optional ​Accessories
​Single cell holder, General cell holder, Test tube holder, Solid sample holder, Deuterium lamp, Halogen lamp, 4-place Cell holder, Printer, Water-jacketed cell holder, Reflection accessory 5°, Auto 8-cell changer, ​Micro cell holder, Water-jacketed cell holder, Constant-temperature system
​Single cell holder, General cell holder, Test tube holder, Solid sample holder, Deuterium lamp, Halogen lamp, 4-place Cell holder, Printer, Water-jacketed cell holder, Reflection accessory 5°, Auto 8-cell changer, ​Micro cell holder, Water-jacketed cell holder, Constant-temperature system
​Single cell holder, General cell holder, Test tube holder, Solid sample holder, Deuterium lamp, Halogen lamp, 4-place Cell holder, Printer, Water-jacketed cell holder, Reflection accessory 5°, Auto 8-cell changer, ​Micro cell holder, Water-jacketed cell holder, Constant-temperature system
​Power Supply
AC110/220±10%, 60/50Hz
AC110/220±10%, 60/50Hz
​AC110/220±10%, 60/50Hz
Package Size (W*D*H) mm
​740*570*440
​740*570*440
740*570*440
Gross Weight(kg)
25
25
25

UV/VIS Spectrophotometer Accessories

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Standard Type Quartz Cuvette

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Features: 
  • Two polished windows, two walls, and an open top.
  • The walls and bottom are polished inside and frosted outside.
  • Thickness of windows and the base is 1.25mm. 
  • Teflon or glass lid and stopper.
Technical Parameters:
Model
Path Length(mm)
​External Size (W*D*H) mm
​Volume(ml)
​No. of LID
No. of Stoppers
S/Q/I
1
​12.5*3.5*45
0.4
1
/
S/Q/2
2
​12.5*4.5*45
​0.7
1
/
​S/Q/5
5
​12.5*7.5*45
1.7
1
/
S/Q/10
10
​12.5*12.5*45
3.5
1
/
​S/Q/20
20
​12.5*22.5*45
7.0
1
/
S/Q/40
40
​12.5*42.5*45
14.0
1
/
​S/Q/50
50
​12.5*52.5*45
17.5
1
/
S/Q/100
100
​12.5*102.5*45
35.0
1
/
​SS/Q/I
1
​12.5*3.5*48
0.4
/
1
SS/0/2
2
​12.5*4.5*48
0.7
/
1
​SS/Q/5
5
​12.5*7.5*48
1.7
/
1
SS/Q/10
10
​12.5*12.5*48
3.5
/
Value
​SS/Q/20
20
12.5*22.5*48
7.0
/
1
SS/Q/40
40
​12.5*42.5*48
​14.0
/
1
​SS/Q/50
50
​12.5*52.5*48
17.5
/
1
SS/Q/100
100
​12.5*102.5*48
​35.0
/
1

Flame Spectrophotometer​

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Features:
  • USB Interface (Except BK-FP640).
  • LPG as burning gas.
  • Direct concentration read-out (Except BK-FP640).
  • Measuring range adjustable.
  • 7 inch LCD touch screen.
  • Automatic Calculation of corre1ation coefficient (Except BK-FP640).
  • Pre-selection of flame sizes.
  • Flameout protection device.
​It is an analytical instrument based on emission spectrum principle, using the thermal energy of flame to make the certain element motivate luminescence to analyze the content of certain element in the material, widely used in the analysis and determination of agricultural fertilizer, soil, cement, ceramics and silicate industry and pathological studies of health care etc.
Technical Parameters:
Model
 
​BK-FP840
​BK-FP6410
BK-FP6430
BK-FP6431
BK-FP6440
BK-FP6450
Sensitivity
K
​0.01ppm
​0.01ppm
​0.01ppm
​0.01ppm
​0.01ppm
0.01ppm
 
Na
​0.01ppm
​0.01ppm
​0.01ppm
​0.01ppm
0.01ppm
​0.01ppm
 
Li
/
/
​0.01ppm
/
​0.1ppm
0.1ppm
 
Ca 
/
/
/
​2ppm
2ppm
2ppm
 
Ba
/
/
/
/
/
6ppm
​Range
K
​0~100ppm
​0~100ppm
​0~100ppm
​0~100ppm
​0~100ppm
0~100ppm
 
Na
​0~160ppm
​0~160ppm
​0~160ppm
​0~160ppm
​0~160ppm
0~160ppm
 
Li
/
/
0~100ppm
/
​0~100ppm
0~100ppm
 
Ca
/
/
/
​0~1000ppm
​0~1000ppm
0~1000ppm
 
Ba
/
/
/
/
Valu
​0-3000ppm
​Linearity
K
​0.195ppm
​(0.39~3.12) ppm
​0.195ppm (0.39~3.12) ppm
0.195ppm (0.39~3.12)ppm
​0.195ppm (0.39~3.12) ppm
​0.195ppm (0.39~3.12) ppm
0.195ppm (0.39~3.12)ppm
 
Na
​0.69ppm (1.15~9.2) ppm
​0.69ppm (1.15~9.2) ppm
​0.69ppm (1.15~9.2) ppm
​0.69ppm (1.15~9.2) ppm
​0.69ppm (1.15~9.2) ppm
​0.69ppm (1.15~9.2) ppm
 
Li
/
/
0.l5ppm (0.26~5)ppm
/
0.15ppm (0.25~5)ppm
​0.15ppm (0.25~5)ppm
 
Ca
/
/
/
​3ppm
(5~100)ppm
3ppm
​(5~100)ppm
3ppm
​(5~100)ppm
 
Ba
​/
/
/
/
/
9ppm
​Linearity Error
K
​≤0.195ppm
​≤0.195ppm
​≤0.195ppm
​≤0.195ppm
​≤0.195ppm
​≤0.195ppm
 
Na
​≤0.69ppm
​≤0.69ppm
​≤0.69ppm
​≤0.69ppm
≤0.69ppm
​≤0.69ppm
 
Li
/
/
≤0.147ppm
/
​≤0.147ppm
≤0.147ppm
 
Ca
/
/
/
​≤3ppm
≤3ppm
​≤3ppm
 
Ba
/
/
/
/
/
​≤9.042ppm
MDL
K
​≤0.156ppm
​≤0.156ppm
​≤0.156ppm
​≤0.156ppm
≤0.156ppm
​≤0.156ppm
 
Na
​≤0.184ppm
​≤0.184ppm
​≤0.184ppm
​≤0.184ppm
≤0.184ppm
≤0.184ppm
 
Li
/
/
​≤0.105ppm
/
​≤0.105ppm
≤0.105ppm
​
Ca
/
/
/
​≤2ppm
​≤2ppm
≤2ppm
 
Ba
/
/
/
​≤60.28ppm
/
​≤60.28ppm
​Repeatability
 
​1% CV for 20 consecutive samples
​1% CV for 20 consecutive samples
​1% CV for 20 consecutive samples
​1% CV for 20 consecutive samples
​1% CV for 20 consecutive samples
1% CV for 20 consecutive samples
Response Time
 
​<8s
​<8s
​<8s
​<8s
<8s
<8s
​Sample Uptake
 
​<6ml/min
​<6ml/min
​<6ml/min
​<6ml/min
​<6ml/min
​<6ml/min
Ambient Temp
 
10°C~35°C
​10°C~35°C
​10°C~35°C
​10°C~35°C
10°C~35°C
10°C~35°C
​Humidity
 
≤85%
≤85%
​≤85%
​≤85%
​≤85%
​≤85%
Power Supply
 
AC110/220V±10%, 60/50Hz
AC110/220V
±​10%, 60/50Hz
AC110/220V
​±10%, 60/50Hz
AC110/220V
​±10%, 60/50Hz
AC110/220V
±​10%, 60/50Hz
AC110/220V
​±10%, 60/50Hz
​Consump-tion
 
250W
​250W
​250W
​250W
​250W
​250W
Standard Accessory
 
​Air compressor
​Air compressor
​Air compressor
​Air compressor
​Air compressor
 Air compressor
​Package Size
  
​770*560*390mm
​770*560*390mm
​770*560*390mm
​770*560*390mm
770*560*390mm
770*560*390
Gross weight
 
22kg
22kg
​22kg
​22kg
​22kg
​22kg

Fluorescence Spectrophotometer

​Applications:
Fluorescence analysis can provide information including excitation and emission spectrum, emission light intensity and measurement of life of emission light and polarization fluorescence etc. and a wide lineal range of working curve.
Picture
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This method has been used in: Medical science and clinical, Pharmaceutical science and pharmacology, Biochemistry, Food industry, Pollution and Organic, and inorganic chemistry.

Features for BK-F96PRO:
  • Two operation modes fluorescence intensity and luminous intensity.
  • 365nm exciting wavelength, Raman peak of water S/N ≥150.
  • 10 stages emission spectrum scanning
  • Support off-line mode and on-line mode.
Features for BK-F93: 
  • 1200-line diffraction grating emission monochromator.
  • LED is a cold-light source with longevity, lower background & reliability, prevent from thermo-pollution.
  • Automatic zero adjustment and automatic background subtraction.
  • Eight stage sensitivity adjustment, Real time fluorescence value display and concentration print out,. Extra wide dynamic range of fluorescence value ensures accurate measurement of minute changes in micro samples
​Technical Parameters:
​Model
​BE-F96PRO
BK-F93
Light Source
Hamamatsu 150W Xenon lamp
4 digits LED
Excitation Filter
​Interference optical filter
a) Standard set is equipped with an
interference optical filter of central wavelength at 365nm and 10nm bandwidth
b) An optional interference optical filer of
25mm diameter of wavelength of 250~700nm can be provided on users demand.
LED options
a) Standard set includes LED at wavelength 365nm
b) The A set includes LED wavelength at 
365nm, 376nm, 392nm, 405nm
c) Customizable wavelength from
​360nm to 600nm
​Emission Monochromator
C-T diffraction grating
​(Em 200~900nm, bandwidth 10nm)
​​360~650nm (C-T diffraction grating)
Wavelength Accuracy
​±1nm
​±2nm
Wavelength Repeatability
​≤0.5nm
≤1nm
Sensitivity
Raman peak of water in 1 cm quartz
 fluorescence cuvette with S/N≥150
1*10-9/ml (Standard aqua of the sulfuric
acid Quinine, 12nm bandwidth)
​Linear Measurement(r)
​≥0.995
≥0.995
Stability
​better than 1.5%10min
​better than 3%/10min
Response Time
​(0.1~4)s, 6 stages adjustable
​(0.1~4)s
Fluorescence Display Value 
​0.00~600.00
0.00~250.00
Standard Accessories
​365nm filter (Preassembled), 1 pc F96PRO software package, 1 pc USB interface,
1 pc Quartz fluorescence sample cell 10mm, 1 pair
​RS232 serial port,
​Glass fluorescence cuvette 10mm 1 pair
​Optional Accessories
​Fuses(2A/5A), 200-700nm interference optical
​filter (Ҩ25mm)
Quartz fluorescence sample ceII10mm
Multi-function fluorescent sample rack holder, Membrane sample rack, Powder sample rack, Sample cell jacket, Octave Filters
200uL microcentrifuge tube accessory Up conversion fluorescent accessory
Data processing software package
​(pack, for PC) Fuses(2A)
Quartz fluorescence cuvette 10mm Optional LED A Set includes: 365nm, 376nm, 392nm, 405nm
Power Supply
​AC110/220V±10%, 60/50Hz
AC110/220V±10%, 60/50Hz
​Package Size (W*D*H)mm
​450*420*310
​380*420*240
Gross Weight (kg)
14
9

BK-AA4530F Atomic Absorption Spectrophotometer

Picture
​Standard Accessories:
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Features:
  • Completely controlled by PC, can lie flexibly select the flame and graphite furnace atomizer (option al).
  • Integrated floated optical platform design improves the optical system shock resistance stable.
  • Eight light stands can be changed automatically and preheat the eight lights meantime as well as optimize the working condition of the hollow cathode lamp.
  • Position adjusting: the flame burner can be set on the best position automatically.
  • Fully automated wavelength scanning and peak searching.
  • Complete safety chains protection equipment: warning and automatic safety protection for the wrong burner connection, leakage of the gas, under voltage of air and the abnormal flameout.
  • Deuterium lamp and self-absorption background calibration.
  • Measuring method: flame absorption method and emission method.
  • Result printing: parameter, data result and diagram.
  • Data processing: more than 500 data self-storage and cut-off storage, the analyzed result is stored in EXCEL format.
​Technical Parameters:
Model
​BK-AA4530F 
Wavelength Range
​190~900nm
Spectral Bandwidth
​O.1, 0.2, 0.4, 1.0 and 2.0nm 
Wavelength Accuracy
​≤±0.15nm
​Wavelength Receptivity
​≤0.04nm
Base Line Stability
​≤0.002A/30min (Cu)
Characteristic Concentration 
​0.02pg/ml/1% (Cu)
Detection Limit
​0.004pg/ml (Cu)
Measurement Repeatability
≤0.05%
Grating 
1800 lines/mm
Inflamer
All-metal titanium burner
​All-metal titanium burner
Efficient glass atomizer
​D2 Background Calibration
​When the background is 1 A, the background ability should be deducted not lessthan 50 times;
​self-absorption background deduction method
Power Supply 
​220V, 50Hz
​Packing Size(W*D*H) mm
850*700*750 (Main instrument);
​950*620*1020 (Accessories)
​Gross Weight(kg)
​105 (Main instrument); 100 (Accessories)
Standar ​Accessories:
PC workstation; HP inkjet printer; Oil free Air compressor;
Acetylene reducing valve; Cu Hollow cathode lamp; Air filter
​Optional Accessories
​Graphite Furnace 451OGF; Hollow cathode lamp (Ag, Au, Ca, Cd, Cr, Fe, Hg, K, Au, Mg, Mn, Na, Ni, Pb, Zn, Sb, etc.)
Lamp 
8
​Flame System:
​Acetylene Air Burner
100
​Ignition Dynamic Baseline Drift
≤0.006A/30min
​Characteristic Concentration
≤0.025µg/ml/1%(Cu)
​Related Standard Deviation of the Accuracy
​≤0.5%(Cu, absorbance 0.8A) (detection limit Cus≤0.008µg/ml)
​Safety System
​Can automatically cut off the gas when the pressure is not enough,
the power is off, flameout and unconformity of the burner.
​Graphite Furnace (Optional):
​Max. Temperature
3000°C
​Max Heating Speed
≥2000°C/S
​Characteristic Quantity
Cd≤0.5*3%-12g Cu≤5*10-11g 
​Accuracy 
Cu≤3% Cd≤3%
Safety System 
Over current protection 
Low air pressure alrm/protection 
Low cooling water flow alarm/protection
​Power Supply
​​220V, 50Hz
Comsumption 
​7000W
​​Packing Size(W*D*H)mm
740*640*700
​Gross Weight(kg)
90

BK-AA320N Atomic Absorption Spectrophotometer

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​Features:
  • Built-in computer data processing and LC0 display.
  • Stability: Double-beam system can automatically compensate the light source drift and wavelength drift caused by the variation of temperature and electronic circuit drift.
  • Quickly: The cathode lamp does not need to be pre-heated for long time and sample can be analyzed immediately.
  • High precision of measurement: Gas path system is equipped with precision pressure stabilizing and current stabilizing devices to reach stable flame and low noise. Specially designed fine light beam passes through the flame to ensure a high precision analytical test an low charactheristic concentration. 
  • High energy optical path. 
  • Long-life and anti-corrosive atomization system. 
  • Multi-functional analysis mode: Flame Absorption, Flame Emission, Graphite Furnace Atomic Absorption, Hydrade Generation. 
  • Safe and reliable gas path system: Special devices of quick gas conversion and safety protection can be used to analyze air-acetylene flame and extend the analytic elements to reach more than 60. 
Technical Parameters:
Model
BK-AA320N
​Wavelength Range   
190~900nm
Wavelength Accuracy  
​≤±0.5nm   
Wavelength  Repeatability   
​≤0.3nm (single direction)   
Spectral Bandwidth
0.2nm, 0.4nm, 0.7nm, 1.4nm, 2.4nm, 5.0nm
Grating
​1800 lines/mm
​Resolution
≤40%
​Base Line Stability
±0.004Abs/30min
​Characteristic Concentration 
≤0.04µg/ml/1% (Cu)  
Detection Limit
​≤0.008µg/ml (Cu)  
Background Calibration
​>30 times
Power Supply   
​220V, 50Hz  
Package Size(W*D*H)
​1250*795*765mm (Main Instrument), 545*445*1385mm (Accessories)
Gross Weight
​138kg (Main instrument), 56kg (Accessories)
Standard Accessories
​RS232 serial port, Oil-free air compressor, Glass Atom1zer, Cu Hollow cathode lamp, Atomizer unit Burner unit Dust cover, Water-separating gas filter, Titanium burner-10cm
​Optional Accessories
​Software, Model GA3202 HGA graphite furnace system, Hydride generator,
Graphite tubes, Recirculating cooling water system, Hollow cathode lamp (Ag, Au, Ca, Cd, Cr ,Fe, Hg ,K ,Mg ,Mn, Na, N!, Pb, Zn, AS, etc)

NIR Spectrophotometer

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​NIR spectrophotometer, mainly used for liquid samples qualitative and quantitative analysis, applies to gasoline, drinks, milk and other areas of nutrients, water chemistry and other physical properties of the rapid non-destructive analysis determination.

​The instrument monitors the ambient temperature and humidity in real time and stores it in the spectrum file, which is convenient for users to check and optimize the measurement conditions.
Features: 
  • Single-channel whole spectrumscanning.
  • Built-in high-quality PTFE reference module and polystyrene wavelength standard filter.
  • Automatic reference calibration and monitoring wavelength
​Technical Parameters:
Model
​BK-S430
​Optical system
Grating monochromator
​Wavelength Scanning Interval
8nm
​Wavelength Range
900~2500nm
​Wavelength Accuracy
≤0.2nm
​Wavelength Reproducibility
≤0.05 nm 
​Stray Light
≤0.1%
​Scanning Time
​1 minute or adjustable
​Noise
≤0.0005 Abs
​Interface
​USB
Standard Accessories
​2*1cm quartz square sample cell , 2*1mm quartz micro sample cell
​Optional Accessories 
Laptop
​Power Supply 
110V/220±10%, 60/50Hz
​Packing size
360*460*240mm
​Gross Weight
12kg

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