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      Home> Spectrophotometer> Yoke> Yoke 721 Spectrophotometer

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

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

      Brand
      SKU: NB007207
      China Yoke
      Model
      VS
      Genuinegoods
      • Yoke 721 Spectrophotometer Overview

      • Specifications
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      721
      Spectrophotometer
      • YOKE VIS-721 visible Spectrophotometer  Wavelength range 350~1020nm imported tungsten lamp
      • YOKE VIS-721 visible Spectrophotometer  Wavelength range 350~1020nm imported tungsten lamp Figure 1
      • YOKE VIS-721 visible Spectrophotometer  Wavelength range 350~1020nm imported tungsten lamp Figure 2
      Light spectrum bandwidth 6nm, using the original imported tungsten lamp, automatic zero automatic hundred, automatic light door, can accommodate 5-100mm Colorimetric dish.

      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


      VS

      Yoke 721 Spectrophotometer Specifications

      LIST VALUE
      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

      Yoke 721 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

      [Q]
      Does this spectrophotometer meet the GB/T1721 standard?
      [A]
      This spectrophotometer is suitable for GB/T1721. Please consult customer service for detailed application definition.
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      YOKE VIS-721 visible Spectrophotometer Wavelength range 350~1020nm imported tungsten lamp
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