• S23A Visible Spectrophotometer(Cuvette or Tube)

S23A Visible Spectrophotometer(Cuvette or Tube)

  Wavelength Range:340-950nm
Wavelength Accuracy:±2.5nm
Wavelength Repeatability:≤1nm

Product Details

Quick Details


 Wavelength Range:340-950nm
Wavelength Accuracy:±2.5nm
Wavelength Repeatability:≤1nm
Spectral Slit width:12nm
Photometry Accuracy:±2%(T) (tube), ±0.5%(T) (cuvette)
Photometry Repeatability:0.3%τ
Voltage Requirements:220V±10% or 110V±10%
Photometry Range:0.0~199.9%(T)  -0.3~2.999 A
                     1~9999 F  0~9999 C
Interface:RS232 serial & parallel interface   
How to select the test tube
Generally the round test tube is not for optic purpose unless it is pre-checked strictly.
We can select it as follow:
1. Check size. (The size should be f12+0.4×75mm)
2. Check the surface of tube. (It should be no bubbles, no scabs, no thread like things.)
3. Warming instrument according to § ~§ and set the wavelength at 360 nm.
4. Pour some pure water into tube and insert it to the test tube well in sample apartment. Check it just as § Then put some mark on the tube opposite the white mark at the instrument.
5. Put the other test tube into instrument one by one and get the readout for everyone and put mark at everyone. We can divide them in many groups. In each group the differential of readout for every tub is less then ±0.02A.
6. Then we can use tubes in same group for blank, sample, and standard solution needn’t check the tube every time.

Company Profile

 Jining Qianyu Machinery Trading Co.,Ltd. is committed to the wholesale and retail of genuine Komatsu parts. We mainly provide various parts for Komatsu excavator and loader and Shantui bulldozer. With years of business exploration and the cooperation with Strong Construction Machinery, we have expanded our parts business. We aim to become a professional sales agent of genuine parts. We provide customers excellent services with the operating principle of "customer first" and the concept of "pursuing development with high quality and good credit". 


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