GBD20 Intrinsic safety vibration sensor (with coal safety certificate)Detailed product description：

GBD20 intrinsically safe vibration sensor (with coal safety certificate)

1. Product Overview
1.1 Product Functions and Uses This instruction applies to GBD20 intrinsically safe vibration sensors for mining (hereinafter referred to as sensors). This series of sensors complies with GB 3836.4-2010 "Explosive Atmosphere Part 4: Equipment Protected by Intrinsic Safety Type 'i'".
1.2 Explosion proof type and explosion-proof mark
a) Explosion proof type of sensor: mining intrinsic safety type
b) The explosion-proof mark is: "Ex ib I Mb
2. Environmental and storage conditions
2.1 Working environment conditions for sensors:
a) Environmental temperature: 0 ℃ to+40 ℃;
b) Relative humidity: not exceeding 95% (25 ℃);
c) Underground coal mines with methane and coal dust explosiveness;
d) Atmospheric pressure: 80kPa to 116kPa;
e) In a corrosive gas environment without damaging insulation