Customization: | Available |
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After-sales Service: | Whole Life Technical Support |
Warranty: | One Year |
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Detection Gas | Combustible gases, toxic and harmful gases, volatile organic compounds (VOCs) in the air. |
Humidity Range | 10%-95%RH (non-condensing). |
Detection Principle | Depends on the specific gas (as indicated on the factory label): catalytic combustion, electrochemical, infrared, PID (photoionization detector), etc. |
Pressure Range | 86kPa ~ 106kPa. |
Alarm Method | Audible and visual alarms, optional loud audible alarm. Alarm sound: >95dB, adjustable alarm sounds. |
Measurement Range | Depends on the specific gas (as indicated on the factory label). Refer to sensor parameters. |
Alarm Settings | A1 and A2 alarm values can be set independently. TWA (Time-Weighted Average) and STEL (Short-Term Exposure Limit) alarm values can also be configured. |
Indication Error | ±3%FS (depending on the gas type). |
Data Download | Supports RS485 serial port data download. |
Repeatability | ≤±1%. |
Data Upload | Supports Modbus RS485 protocol and HJ212 protocol data upload. |
Response Time | T90 < 30 seconds (depending on the gas type). |
Explosion-Proof Mark | Exdb IIC T6 Gb, Ex tb IIIC T80°C Db (China explosion-proof certification). |
Power Supply | 24VDC (standard), 15-28VDC (allowed working voltage range). Optional built-in battery with dedicated charger (DC 25.2V, 1A). |
Protection Level | IP66. |
External Dimensions | 1. Height 425mm × Width 315mm; 2. Height 230mm × Width 31mm × Thickness 110mm (depending on configuration). |
Main Material | Aluminum alloy + stainless steel. |
Output Signal | Three-wire 4-20mA current signal, optional RS485 digital signal. |
Weight | Approximately 5.8kg ~ 7.5kg (depending on configuration). |
Relay Output | 2 sets of relay outputs for high and low alarms: dry contact, capacity 30VDC 1A, 125VAC 0.5A (optional). |
Compliance Standards | GB 15322.1-2019, GB/T 3836.2-2021, GB/T 3836.4-2021, GB/T 3836.31-2021, JJF 1363-2019, JJF 1421-2013, JJF 1364-2019, JB/T 4218-2017. |
Signal Transmission | Two-core (three-core) shielded cable transmission, LoRa short-range wireless (optional), 4G wireless (optional). |
Temperature Range | -20ºC to +55ºC (typical); -40ºC to +70ºC (extreme). |