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).

Beijing Topsky Century Holding Co., Ltd.was established in 2003, determined to become a respected global safety equipment

R & D enterprise.The Headquarter is in Zhongguancun Hightech Park, Jinqiao industrial base, Located total 3,000 square meters.

The registered capital is 42 million RMB. We have three subsidiaries: TOPSKY,TBD,KYCJ etc, is a national high-tech enterprises.

our product range:

1.Fire equipment,including fire robot,water mist system;

2.Fire rescue tools, including hydraulic tools,patrol powered concrete saws and so on;

3.Life search equpment, including audio & video life detector ,fire infrared imager and so on;

4.Gas detector,such as one gas detector, two gases detector, multi gas detector;

In fire equipment,rescue tools ,life research and police&millitary equipment, our company has unique advantage.

In safety supervision and law enforcement equipment,we are one of the largest producer.

Currently, our product was already exported to more than 20 countries and regions such as America, France, Australia, Italy and so on.

Until now, our company has

17 National Fire Equipment Quality Supervision and Inspection Center Certificate

103 mine safety certification mark (MA)

9 Chemical Explosion-Proof

6 CE certification

45 patent certificates

Topsky keeps launching new products at a proud speed 30% increments every year. Our company regards offering reasonable price,

fast delivery and good aftersales service as our mission . We sincerely hope to cooperate with more and more customers from

all of the world based on equality and mutual benefit.