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YOKE VIS-721 visible Spectrophotometer Wavelength range 350~1020nm imported tungsten lamp

SE
Light spectrum bandwidth 6nm, using the original imported tungsten lamp, automatic zero automatic hundred, automatic light door, can accommodate 5-100mm Colorimetric dish.
Model:
Certificate

Yoke 721 Spectrophotometer SPEC

Yoke 721 Spectrophotometer Details

Yoke 721 Spectrophotometer Packing list

SKU
NB007207
Optical inspection system
Eliminate color difference Czerny-Turner (1200L/mm grating)
Light spectrum bandwidth
6nm
Wavelength range
350~1020nm
Wavelength Accuracy
±2nm
Wavelength, repeability
≤1nm
Photometric range
0~200%T、-0.3~3.0A、0~9999C
Photometric Accuracy
0.5%T
Luminosity, sexual repeability
0.2%T
stray light
≤0.3%T@360nm
Noise level
≤0.3%T
stability
±0.004A/h@500nm
Baseline flatness
≤0.2%T
Operating Mode
T、A、C
printout
RS232 (optional)
display
LCD liquid crystal display
analysis software
without
light source
Imported tungsten lamp
Weight
8kg
Wavelength driving method
manual
Zero setting
automatic
721
Spectrophotometer
Light spectrum bandwidth 6nm, using the original imported tungsten lamp, automatic zero automatic hundred, automatic light door, can accommodate 5-100mm Colorimetric dish.
YOKE VIS-721 visible Spectrophotometer  Wavelength range 350~1020nm imported tungsten lamp Picture

Introduction

Yoke VIS-721 Visible Spectrophotometer is an economical analytical instrument with optional RS232 interface output. Its excellent photometric accuracy is higher than that of other instruments of the same class. It is widely used in medical testing, food, petrochemical industry, environmental protection and monitoring and many other fields.

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 range350nm~1020nm320nm~1020nm195nm~1020nm
Wavelength Accuracy±2nm±2nm±2nm
wavelength repeatability≤1nm≤1nm≤1nm
Spectral bandwidth6nm5nm4nm
stray light≤0.3%T(at 360nm)≤0.3%T(at 360nm)≤0.3%T (at 220, 360nm)
Transmittance measuring range0.0%T~199.9%T0.0%T~199.9%T0.0%T~199.9%T
Absorbance measurement range0.000A~1.999A0.000A~1.999A0.000A~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
noise0.3%T0.3%T0.3%T
bright current≤0.5%T/3min≤0.5%T/3min≤0.5%T/3min
receiving elementphotocellphotocellphotocell


FAQ
QDoes this spectrophotometer meet the GB/T1721 standard?
A This spectrophotometer is suitable for GB/T1721. Please consult customer service for detailed application definition.
Knowledge
Standard