Direct-reading dust concentration measuring instrument CH100 (CCZ-1000)
Direct-reading dust concentration measuring instrument model: GH100
2. Power supply voltage: DC12V (lithium battery powered, continuous power supply not less than 2 hours)
3. Suitable environment: temperature -10℃~45℃, atmospheric pressure 80kpa~120kpa. Relative humidity ≤96%.
4. Measurement range: 0.01~1000g/m3.
5. Dust concentration: relative error ≤10%.
6. Stability: relative error ±2.5%.
7. Functions: query, storage (not less than 500 data), and printing functions.

Zhengzhou Aidi produces and supplies coal drill cuttings desorption instruments, deep hole sampling devices, pressure measuring instruments, geological exploration desorption instruments, borehole flow meters, mine gas extraction and outburst prevention equipment, true density measuring instruments for coal, gas content measuring instruments, automatic initial gas emission speed measuring instruments, diffusion speed measuring instruments, gas parameter instruments for coal extraction pipelines, isothermal high-pressure adsorption devices, ab value measuring instrumentsPortable instruments:

Portable comprehensive gas extraction parameter measuring instruments, intrinsically safe coal seam gas pressure measuring instruments for mining, gas content measuring instruments in coal, gas outburst parameter instruments, coal drill cuttings gas desorption instruments, underground gas desorption instruments, coal sample cans/coal sample cylinders, geological exploration gas desorption instruments, multi-stage borehole flow meters Direct-reading dust concentration measuring instruments
Capsule hole sealers, high-negative pressure gas samplers, methane sensor calibrators, automatic negative pressure samplers, positive pressure samplers/various gas samplers, methane sensor calibrators, self-rescuer airtightness testers (pointer type/digital display type/touch screen type)
Optical interference methane detector verification devices (intelligent type), optical interference methane detector calibrators (water column type), electric thermostatic drying ovens
Laboratory instruments:
Direct/automatic gas content measuring devices (normal pressure desorption method), residual gas content measuring devices (degassing method), deep hole rapid sampling devices, fully automatic gas adsorption constant measuring instruments, fully automatic initial gas emission speed measuring instruments, fully automatic true density measuring instruments for coal, fully automatic industrial analyzers, mining gas chromatographs, ball mills, sealed sample preparation crushers, fully automatic sulfur meters, coal dust explosion identification devices, coal spontaneous combustion tendency measuring instruments, coal sample preparation devices, active coal seam gas pressure measuring instruments, gas sensor verification devices, coal spontaneous combustion indicator gas and critical value measuring instruments