YOKE VIS-722N Benchtop visible Spectrophotometer wavelength 320~1020nm Light spectrum bandwidth 5nm
Light spectrum bandwidth is 5nm, suitable for qualitative and quantitative analysis, using imported tungsten lamps, can accommodate 5-100mm Colorimetric dishes, automatic light doors, to ensure the service life of photoelectric Sensors
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Introduction
Yoke VIS-722N Visible Spectrophotometer is an economical analytical instrument with optional RS232 interface output and high precision. It is widely used in many fields such as medical testing, food, petrochemical industry, environmental protection and monitoring.
Features
1. Digital display of measured value.
2. Automatic zero adjustment and automatic hundred adjustment.
3. The large sample chamber can accommodate 5-100mm cuvettes.
4. The RS232 output port is optional, which can realize the function of connecting to a printer and a computer.
5. The original imported tungsten lamp is used to ensure the service life of the instrument.
6. The instrument adopts advanced microcomputer processing technology and is easy to operate.
7. The automatic light gate ensures the service life of the photoelectric sensor and makes the instrument test easier.
Key Function

Key Name Key Function Description
【MODE】A/T/C/F mode switching key
【PC】Print/online send data key
【↑/0%】Input data in C/F mode to increase/adjust 0% T key
【↓/100%】Input data in C/F mode to decrease/adjust transmittance to 100%T or absorbance to 0.000ABS key
Key function description
A: Measure the absorbance of the sample
T: Transmittance of the measured sample
C: Enter the F value to measure the concentration, or use the standard solution to calculate the F value
F: Enter the F value to measure the concentration
Series
| 721 (721-100) | 722 (N/S) | 752N (N/PC) | |
| Wavelength range | 350nm~1020nm | 320nm~1020nm | 195nm~1020nm |
| Wavelength Accuracy | ±2nm | ±2nm | ±2nm |
| wavelength repeatability | ≤1nm | ≤1nm | ≤1nm |
| Spectral bandwidth | 6nm | 5nm | 4nm |
| stray light | ≤0.3%T(at 360nm) | ≤0.3%T(at 360nm) | ≤0.3%T (at 220, 360nm) |
| Transmittance measuring range | 0.0%T~199.9%T | 0.0%T~199.9%T | 0.0%T~199.9%T |
| Absorbance measurement range | 0.000A~1.999A | 0.000A~1.999A | 0.000A~1.999A |
| Transmittance Accuracy | ±1.0%T | ±0.5%T | ±0.5%T |
| Transmittance repeatability | ±0.5%T | ±0.2%T | ±0.2%T |
| stability | ≤0.5%T/3min | ≤0.5%T/3min | ≤0.5%T/3min |
| noise | 0.3%T | 0.3%T | 0.3%T |
| bright current | ≤0.5%T/3min | ≤0.5%T/3min | ≤0.5%T/3min |
| receiving element | photocell | photocell | photocell |
Yoke 722N Spectrophotometer Specifications
| LIST | VALUE |
|---|---|
| Optical inspection system | Eliminate color difference Czerny-Turner (1200L/mm grating) |
| Light spectrum bandwidth | 5nm |
| Wavelength range | 320~1020nm |
| Wavelength Accuracy | ±2nm |
| Wavelength, repeability | ≤0.5nm |
| Photometric Accuracy | 0.3%T |
| Luminosity, sexual repeability | 0.2%T |
| stray light | ≤0.2%T@360nm |
| Noise level | ≤0.2%T |
| stability | ±0.002A/h@500nm |
| Operating Mode | T、A、C |
| printout | optional |
| light source | Tungsten lamp |
| Weight | 8kg |
| drift | ≤0.1%T |
| Wavelength driving method | manual |
Yoke 722N Spectrophotometer Packing list
host X1, manual X1, certificate X1, warranty card X1
[Note] Because the manufacturer's packaging may be updated or upgraded, the detailed packaging list shall be subject to the latest standard configuration of the manufacturer.
FAQ
- Calibration of Spectrophotometer s
- Differences between visible, ultraviolet-visible, infrared, fluorescent and atomic absorption Spectrophotometer s
- Liquid color difference detection solution
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- Color Measurement Challenges Faced by Manufacturers in the Metals Industry
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- IncomingGB/T 27594-2025
- ActiveJC/T 1040-2020
- ActiveJY/T 0570-2020
- ActiveGB/T 7744-2023
- ActiveGB/T 15503-1995
- AbolishGB/T 10656-2008
- ActiveGB/T 34323-2017
- ActiveGB/T 26798-2011
- ActiveGB/T 11220.1-1989
- AbolishHJ/T 201-2005
- ActiveGB/T 6369-2008
- ActiveGB/T 27594-2011
- AbolishGB/T 1628.2-2000
- ActiveGB/T 1721-2008
- ActiveGB/T 26810-2011
- ActiveGB/T 26798-2011
- AbolishGB/T 11175-2002
- ISO 6271-2-2004
- ISO 4630-2-2004
- ISO 3856-5-1984


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