1. Product introduction

JCP-HD Ringelmann blackness meter is an instrument for measuring the blackness level of smoke by using Ringelmann smoke density map. It shrinks the standard Ringelmann smoke concentration map commonly used in various countries on a piece of glass, and compares it with the actual smoke observed from the telescope to determine the blackness level of the smoke. It has the characteristics of fast, simple and high preparation, and can be widely used in the determination of smoke blackness of environmental protection departments and industrial and mining enterprises in various places.

Product effect:

2. Implementation standards

HJ/T 398-2007 "Determination of Blackness of Flue Gas Emitted from Stationary Pollution Sources"

3. Product parameters

1 . Telescope viewing angle magnification 15 times
2 . Telescope observation distance 10 ~ 1000 meters
3 . Objective lens clear aperture 70 mm
4 . Ringelmann blackness scale 0 to 5.0 

5. The observation error is not more than 0.5 grade 

6 . The reticle camera magnification is 2 times 

7 . Instrument size: Φ70*700MM with tripod.

4. Product Features

1. Long measuring distance

2. High definition and high accuracy
3. The instrument is simple and convenient to use, and can be operated by ordinary staff