1,Overview

The multi-parameter ventilation detector is a precise handheld portable instrument that can simultaneously measure atmospheric pressure, differential pressure, wind speed, temperature and humidity. It features LED liquid crystal display, making it easy to read the data, and it also displays the current measurement status in real time.

2,Features

Mine Safety Permit
Coal Safety Permit
Coal Mine Explosion Prevention
High-precision Measurement
Switchable Sensor
3,Functions
Power Supply and Charging:
a) The battery should be an "memory effect"-free battery or one with anti-"memory effect" measures;
b) It should have a power voltage display, under-voltage indication, and automatic shutdown upon under-voltage;
c) During charging, there should be a charging indicator and a shutdown indication upon completion of charging;
d) Use one 3Ah lithium manganese battery, with the model number PL115565, produced by Nantong Nan Zhuo Electronic Technology Co., Ltd., report number: 20024765Y. The battery features overcharge protection, overdischarge protection, and short-circuit protection; it complies with the regulations of MT/T 1051-2007;
6. Wind Speed: 0.4m/s to 30m/s;
7. Absolute Pressure: -4000Pa to +4000Pa;
8. Pressure: 80kPa to 120kPa;
9. Temperature: 0 - 40ºC;
10. MA: The product has a coal safety certificate (MA) issued by the National Safety Mark Center for Mine Products of China Safety Standardization Administration, with the manufacturer's official seal (fresh seal) as proof;
11. KA: The product has a mine safety certificate (KA) issued by the National Safety Mark Center for Mine Products of China Safety Standardization Administration, with the manufacturer's official seal (fresh seal) as proof;
12. Mine Explosion-proof: It has an explosion-proof certificate, with the explosion-proof mark Ex ib I Mb, and is certified with the manufacturer's official seal (fresh seal).