As an advanced single point gas detection system, BS11 is designed to detect gas leakage on the none-explosive environment.

Features:
Good sensitivity and linearity;
Backup battery included;
Signal output of 4-20mA and RS485;
Adjustable alarm values;
Audible and visible alarm functions;
RS485 output to connect with the other gas controllers;
2 relay output;
Anti-dust and water-proof structure design;
Password management function;
Time and temperature display.
Specifications:
Sensor type: Electrochemical sensor
Sampling method: Natural diffusion
Working mode: Continuous working
Detection error: <+/-5% F.S.
Temperature error: +/-3oC
Indication: Bright red LED
Alarming signal: Audible alarm
Visible alarm: red LED light, siren
Response time: <=60s
Working temperature: -20oC~70oC
Working humidity: <=95%RH
Storage temperature: 0oC~20oC
Ingress protection: IP54
Power supply: AC220V+/-15%
Environment pressure: 86~106Kpa
Signal output: optional
4-20mA standard signal
RS485 digital signal
2 relay output
Consumption: <=3W
Cable requirement: 3-line, >=1.5mm2 or 4-line, >=1.5mm2
Dimensions and weight: 345mm X 199mm X 92mm Appr. 4100g
BS11-All-in-One-Gas-Monitor.pdf
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