Gas alarm controller, noan sne800 gas alarm controller

Products SNE800

Features

SNE800Gas alarm controller

- 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

technical specification

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
TEMPERATURE RANGE	-20℃~+60℃
CABINET TYPE	Panel mounted, wall mounted, cabinet type

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