Combustible Gas Detect Alarm Controller
CA-91A Main & Branch Line Combustible Gas Alarm Controller | LCD Gas Detection Control Panel Support 4 Gas Detectors
Product Overview
CA-91A is a centralized compatible main & branch line combustible gas alarm controller. Equipped with central LCD screen, it displays monitoring data clearly and supports easy operation.
It adopts four-bus signal transmission, compatible with RS485 bus-type and 4-20mA split-type gas detectors, and can be connected to a maximum of 4 detectors.
The controller supports concentration over-limit sound-light alarm and fault sound-light alarm. Built-in wireless remote transmission module, with reliable power supply lightning protection and signal lightning protection inside, greatly improving anti-interference performance.
Multiple programmable signal outputs can realize linkage control of exhaust fans, solenoid valves and other equipment, suitable for commercial and industrial gas safety monitoring scenarios.
Application Sites
Commercial Places
LPG stations, gas boiler rooms, restaurants, villas, basements and other gas-consuming areas.
Industrial Places
Petrochemical industry, oil depots, automobile manufacturing, shipbuilding industry and other industrial sites.
Technical Parameters
Model: CA-91A Combustible Gas Alarm Controller
Working Voltage: AC220V±15%,50Hz±1; DC12V/1.3Ah backup battery
Detector Power Supply: DC24V 0.6A
Communication Mode: RS485 (Bus type) / 4-20mA (Split type)
Max. Connected Detectors: 4 units
Signal Transmission Distance: ≤1000m
Max Output Current: 0.6A
Output Signal: 3 groups programmable relay switch output; 1 group programmable DC24V pulse output
Working Environment: Temperature -10℃ ~ +55℃; Humidity ≤95%RH (Non-condensing)
Dimension: 250mm×185mm×65mm
Weight: Approx. 2.2kg