Blackness tester/meter,gray scale:

Reflection blackness meter is a high sensitivity reflectivity measuring instrument,it is applicable to measure the blackness of of the black or dark gray subject.It is designed refer to ASTM and the precision similar to DENSI CHON reflection photometer.
Application:dope,printing ink,charcoal and measure the charcoal tinctorial strength and blackness in the rubber industry.

Features:

Small and light, real easy to be carried and used.
No need zero callibration,easy to use.Adopt high precise,low excursion integrated operational amplifier and LSI A/D transducer,assure it is stable and reliable.
Energy saving,one AA battery can work more than 50Hrs continuously,measuring about 10000 data.
Moisture proofed,can work in various severe environment.
No need warm-up,stable,no excursion,fast,can work immediately upon switching on.
Longlife light sources,no need replace.
Powder sample box and sample holder is available to measure the powder whiteness accurately.

Technical data:
Project degree:45
Range:0-199.9
Whiteness display:R457 blue light whiteness
Light source:D65
Repeatability:0.2
Power supply:1.5V AA size battery
Window size:12x26mm
Dimension:113x32x63mm
Net weight:280g

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