Location: 800 Battery Avenue SE Atlanta GA 30339
Ceiling Multi-Gas Parameter Sensor with RS485, Wi-Fi, 4G Output – Acoustic Testing Pro
Ceiling multi-gas sensor tracks temp, humidity, CO2, CO, PM, VOCs, O3/O2; RS485, Wi-Fi, 4G; buzzer/relay alarms and cloud-ready data for buildings now.
Technical Specifications
| Parameter | Details |
| Output signal | A: RS485 (standard Modbus-RTU protocol, device default address: 01)
B: Two analog signals reserved: – Voltage: 0 ~ 2V, 0 ~ 5V, 0 ~ 10V – Current: 4 ~ 20 mA (current loop) C: Switch value output, relay control, buzzer prompt alarm (Contact capacity: 5A AC 250V; 5A DC30V) D: Wireless signals: LoRa, Bluetooth, WIFI, GPRS, 4G, NB-IOT E: Ethernet: RJ45 port |
| Power supply mode | A: DC12 ~ 24V power supply
B: Standard POE Power Supply (48V) |
| Communication protocol | A: Standard Modbus-RTU protocol
B: Standard Modbus-TCP protocol |
| Supply voltage | 12 ~ 24V DC |
| Settling time | < 1 second |
| Response time | < 1 second |
| Working environment | Temperature: -30 ℃ ~ 85 ℃
Humidity: 0 ~ 95% RH |
| Repeatability | ≤ 2% FS |
| Stability | ≤ 1% FS |
| Cable specification | 2.4 m wire system (RS485) 2.3 m wire system (analog) |
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