
GQQ0.1 Smoke SensorProduct Introduction
GQQ0.1 smoke sensor is an intrinsically safe electrical equipment for mining use Suitable for environments with gas and coal dust explosion hazards underground in coal mines It is also suitable for harsh environments such as metallurgy, chemical industry, building materials, mining and coal preparation plants, steel plants, thermal power plants, ports, etc When matched with the electrical control device of the belt conveyor Used for monitoring smoke generated by friction heating or other reasons in tape machines When the smoke concentration exceeds the specified value Send out a fault alarm signal Protect the tape machine.
GQQ0.1 Smoke SensorWorking environment conditions
1. Altitude not exceeding 2000 meters, pressure 80-110Kpa
2. Environmental temperature: -20 ℃~40 ℃ Annual average temperature: 20 ℃,
3. The average relative humidity shall not exceed 95% (+25 ℃).
4. In mines with explosive gas (methane) mixtures.
5. In an environment without corrosive gases and vapors that can damage metals and insulation.
6. In places without dripping water, invasion of other liquids, significant shaking, and impact vibration.
7. Pollution level 3; The installation category is Class II.
GQQ0.1 Smoke SensorMain technical parameters
1. Explosion proof type: mining intrinsic safety type, Exibi (150 ℃).
2. Shell protection performance: IP54,
3 Ui: DC12V; Ii: 30mA; Ci:OuF; Li:OmH,
4. Sensor initialization preheating time: less than 5 minutes,
5. Relay output: 1 normally open, 1 normally closed. Contact capacitance: AC220V, 3A; DC24V, 5A