Features and Characteristics of the Optical Interference Methane Detector Calibration Device:
1. Utilizes a spray-coated steel chassis, robust and durable, with an integrated meter-source structure, aesthetically pleasing and elegant;
2. Simple operation with few buttons, featuring a touchscreen human-machine interface;
3. Touchscreen operation, simultaneously displaying pressure, temperature, and concentration values, with range switching display, using high-precision pressure sensors;
4. Touchscreen operation to achieve balance with atmospheric pressure;
5. Automatic calibration of pressure and concentration according to standards;
6. High precision in pressure generation, allowing precise adjustment of generated pressure;
7. Equipped with communication interfaces, can be paired with software to form a calibration system, featuring functions such as original record storage, automatic data collection, and automatic printing.

SCJ Optical Interference Methane Detector Calibration Device Main Technical Parameters:
1. Power supply voltage: AC220V ±10%;
2. Stability: ±5Pa;
3. Repeatability: 0.1%;
4. Temperature: (0～50)℃, display accuracy 0.1;
5. Concentration measurement range: Dual-range switching, Range I: (0～10)%CH4,
Range II: (0～100)%CH4, display accuracy 0.01%CH4;
6. Generated pressure range: Type I: (0～7)kPa, Type II: (0～70)kPa, display accuracy 0.1%;
7. Accuracy: Pressure ±0.1%; Concentration: 0.01%CH4; Temperature: ±0.5℃.

Zhengzhou Aidi produces and supplies coal drill cuttings desorption instruments, deep hole sampling devices, pressure gauges, geological exploration desorption instruments, borehole flow meters, mine extraction and outburst prevention equipment, true density meters for coal, gas content meters, automatic initial gas emission speed meters, diffusion speed meters, and gas parameter meters for coal extraction pipelines.