1.Be compliant to: GB15322-2019
Measurable items: 1. test for alarm action trigger value; 2. Orientation test; 3. Test for repeatability of alarm; 4. Jet stream test; 5. High temperature test; 6. Constant temperature and humidity test.
2.Box dimensions L x W x H: 3500 x 1200 x 1700 (m). The material for inner and outer layer is stainless steel. The total volume of the box is no less than 1.1m3, section area no less than 0.4×0.4m
3.The wind speed must be in range 0 - 6.5m/s. The measuring error is no more than ±5%. The surface temperature of the heater is less than 300℃. Temperature control range: -40℃- 75℃, continuously adjustable
4.Temperature control accuracy: better than 1℃. temperature rising and decreasing rate 0.5 - 1℃/min. Humidity control range: 90% - 95%RH. Humidifying rate≤5%RH/min
5. Sealing and heat insulation at the air inlet and outlet. The sealing and heat insulation material is non-metal material. The air door can be opened or closed with electric signal.
6.Equipped with methane, propane, hydrogen and CO gas samplers.
Six sensors can be equipped at same time for alarm action test, orientation test, repeatability of alarm, high temperature test and constant temperature and humidity test.
7.Six sensors can be equipped at same time for orientation and jet stream test
8.The software must be able to display data and curves and generate Excel sheet. It must be equipped with interface for low temperature test chamber, and be able display various test data from six sensors, including data of low temperature test.
 
 

1.Be compliant to: GB15322-2019
Measurable items: 1. test for alarm action trigger value; 2. Orientation test; 3. Test for repeatability of alarm; 4. Jet stream test; 5. High temperature test; 6. Constant temperature and humidity test.
2.Box dimensions L x W x H: 2400x1200x1400 (m). The material for inner and outer layer is stainless steel. The total volume of the box is no less than 0.48m3.
3.The wind speed must be in range 0 - 6.5m/s. The measuring error is no more than ±5%. The surface temperature of the heater is less than 300℃. Temperature control range: -40 ℃- 75℃, continuously adjustable
4.Temperature control accuracy: better than 1℃. temperature rising and decreasing rate 0.5 - 1℃/min. Humidity control range: 90% - 95%RH. Humidifying rate≤5%RH/min
5. Sealing and heat insulation at the air inlet and outlet. The sealing and heat insulation material is non-metal material. The air door can be opened or closed with electric signal.
6.Equipped with methane, propane, hydrogen and CO gas samplers.
Six sensors can be equipped at same time for alarm action test, orientation test, repeatability of alarm, high temperature test and constant temperature and humidity test.
7.Six sensors can be equipped at same time for orientation and jet stream test
8.The software must be able to display data and curves and generate Excel sheet. It must be equipped with interface for low temperature test chamber, and be able display various test data from six sensors, including data of low temperature test.