Blackness meter is carries on the jail frugal for the environmental protection department and the industry and mining enterpris

Description

Blackness meter  is carries on the jail frugal for the environmental protection department and the industry and mining enterprise to the environmental pollution and the energy the special-purpose instrument.This instrument transforms the mist and dust monitor by the forest Gehman haze density chart date measurement through the high grade prism telescope telemetering.  Therefore has the volume to be small, the field of view is big, the range finder is far, the speed is quick, the precision high and the carryhome is convenient, easy to grasp and so on a series of merits, is one kind of monitor mist and dust blackness ideal instrument.

Parameters

Magnification	10x	Caliber	50mm
Ringelmann	0/1/2/3/5	Precision	0.5

Ringelman Smoke Blackness meter