BHH series explosion-proof audio amplifierDetailed product description：

1、 BHH series explosion-proof audio amplifier (IIB) applicable scope:

Hazardous areas with explosive gas mixtures in Zone 1 and Zone 2;
Flammable gases, vapor levels IIA and IIB;
Temperature group Tl-T4, indoor and outdoor (IP54)

2、 BHH series explosion-proof audio amplifier (IIB) model and meaning:

3、 Environmental conditions for use:

1. The ambient air temperature shall not exceed+40 ℃, not be lower than -5 ℃, and the average temperature within 24 hours shall not exceed+35 ℃;
2. Indoor installation and use, the altitude of the usage location shall not exceed 2000 meters;
3. The relative humidity of the surrounding air should not exceed 50% at a maximum temperature of+40 ℃, and larger relative humidity is allowed at lower temperatures, taking into account
Due to temperature fluctuations, condensation may occasionally occur.
4、 Product features:

1. The amplifier consists of three parts, namely the host, control box, and microphone;
2. The host adopts a cast aluminum alloy shell, with a surface spray coating and corrosion resistance. Small size, light weight, stable performance, reliable explosion-proof, and easy maintenance. Internal security
Install transformers, audio amplification boards (including intrinsic safety circuits), etc;
3. The control box is an inherently safe explosion-proof structure, with an amplifier power switch, volume adjustment potentiometer, and microphone socket installed inside. The microphone is capacitive
Pole shaped microphone;
4. Meets the requirements of GB3836-2000 and IEC60097 standards.

5、 BHH series explosion-proof audio amplifier (IIB) technical parameters: