Process alarm controller SNE800

for gas detectors

- Advanced microprocessor technology and communication technology, stable and reliable, high accuracy - Relay output and 4~20mA or RS485 signal output panel mounting type - Auto alarm for detector failure, line failure or under voltage - Easy for installation and operation, can be deployed through panel mounting, wall mounting and cabinet installation - Matrix LCD, Chinese menu, Wall mounting type - Relay output and 4~20mA or RS485 signal output - Auto switch for main and backup power, backup power is charged automatically - Blocks modular construction, independent single circuit detection, alarming, control and real-time display without interference - Two levels of audible and visual alarm, the lower alarm limit is adjustable - With history query function SIGNAL INPUT - 4 ~ 20mA standard current signal or voltage signal AMOUNT PROCESS - Set according to the detection range of the connected gas detector ACCURACY - ≤± 3% F.S RESPONSE TIME - ≤5S DISPLAY MODE - LCD displays gas concentration and operation information, and LED light indicates working status ALARM MODE - Two-stage sound and light alarm, sound ≥ 85dB@30cm ALARM SETTING - The low section alarm point can be set arbitrarily, and the high section is fixed OUTPUT POWER SUPPLY - Each circuit provides 24VDC 200mA DETECTOR WIRING - Three wire system OUTPUT SIGNAL - two sections of passive switching value output, contact capacity 1A 24VDC Either-or: 4 ~ 20mA standard current signal Modbus / RS 485 communication interface STANDBY POWER SUPPLY - 24VDC rechargeable battery (optional) WORKING POWER SUPPLY: - 220VAC 50Hz POWER CONSUMPTION - ≤ 2W / circuit RELATIVE HUMIDITY - 0~ 99% RH / no condensation