Concentration Meter

Infrared / visible rays standard type RD-20

  • Overview
  • Specifications


Sealed structure and fluoroplastic coating provide superior resistance to corrosion and the environment.

List of chemical solutions by device type


Allows installation anywhere, with superior resistance to the environment

Usable in acidic or alcohol environments.

Reasonable price due to simple structure

Simplification of the operation buttons and display realizes a reasonable price.

Use example


Measurement method Transmittance Spectroscopy measurement based on near infrared rays (0.8 - 1.4 μm)
Measurement wavelength Eight wavelength spectroscopy based on optical filter
Measurement cell Flow Cell (3 ml), sapphire for hydrofluoric acid, quartz for others
Data processing method Computer processing by KURABO’s unique principal component recurrence method
Number of applicable components 1-2
Minimum measuring time 20 seconds or less (only for measurement, excluding suction and cooling time, etc.)
Ambient temperature 25 ºC ± 5 ºC
Setting temperature for measurement 25 ºC ± 5 ºC
Dimensions / Weight 250 (W) x 330 (D) x 282 (H) (mm)
15 kg (spectroscope unit)
240 (W) x 300 (D) x 150 (H) (mm)
6 kg (Data processing unit)
* Excluding projections in dimensions
Power supply DC24V ± 10% MAX 220W
Tube diameter IN: Ø3 x Ø2 OUT: Ø4 x Ø3 (mm) Joint fitting
Zero calibration Once a day or more, using pure water of 25ºC ± 1ºC
Concentration display Four digit display (two decimal places)