Whiteness Meter-RWM1200


It is mainly used to directly measure the whiteness value of object or powder with flat surface. Can be widely used in whiteness measurement of textile printing and dyeing, paint, chemical.



•  It consists of Light Source, Optical System, Detection System, Data Process and Display System. The whiteness Calculation Formula of the instrument is blue light whiteness R457.
•  Use of high quality imported components, good reliability.
•  The optical path design is reasonable, simple. Adopt filter system with correction, the whiteness can be reflected quantitatively.
•  No preheating after starting, measurements can be taken after simple calibration, easy to operate.
•  Pass strict inspection and testing, the instrument conforms to the JJG 512-2002 Whiteness Meter Verification Regulation. Also conforms to GB3978, GB3979, GB7973, GB7974, ISO2470, GB8904.2, QB1840, GB2913, GB13025.2, GB1543, ISO2471, GB10339, GB5950, GB12911, GB2409 and other standards.
•  Able to memory 254 groups of measurement data.
•  Use USB data output and RS- 232 data output to connect with PC.
•  Provide Bluetooth data output choice. 


Contact Us

Qingdao Realltech Instrument Co.,Ltd

Miss Lee

Phone: +8617806256778

QQ: 504212212

We Chat: 17806256778

E-mail: sales@realltech.cn

Address: No.2 Huiying Road, Jiaozhou City, Qingdao City, Shandong Province, China



  • Specifications
  • Accessories
  • Resources





Illumination Condition



LED 457nm

Whiteness Formula

Blue Light Whiteness WB=R457

Measuring Aperture

<=15 mm

Zero Drift


Stability of Display


Repeatability of Measurement


Operating Condition

Temperature:0~40ºC; Humidity:<85%RH

Power Supply

4x1.5V AAA(UM-4)Battery(Optional AC Power)


Main Unit: 156x67x28 mm

Probe: Φ44x55 mm


200g(Not Including Batteries)


Standard Accessories

Main Unit

External Probe

Standard White Board

Optical Cleaning Cotton Cloth

Carrying Case(B04)

Operation Manual

Optional Accessories

Constant Pressure Powder Forming Apparatus

AC Adaptor

RS-232C Data Cable with Software

Bluetooth Data Adapter with Software