BESAFE

BESafe is a state-of-the-art dual-channel gas detector with smart sensors, built for battery energy storage systems. It offers fast response, remote maintenance, and flexible installation to protect compact, high-risk spaces.

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BESafe offers fast, accurate detection of hydrogen (H₂), carbon monoxide (CO), and methane (CH₄) tailored for battery backup and energy storage systems.

Its dual-channel capability enables simultaneous monitoring of two gases with flexible configuration for diverse applications.

Featuring remote smart sensors, BESafe simplifies installation and reduces maintenance, delivering reliable, real-time protection for critical energy environments.

dual-gas monitoring

Smart sensor

remote sensor placement

built-in display & audible alarm

lower upfront cost

thermal runaway detection

Provides operators with vital time to act
Prevents escalation of hazardous situations
Enables a fast, reliable safety response
Protects assets and personnel

Size	175 x 150 x 55 mm (transmitter); 33.5 mm sensor depth
Weight	Base: 550g Adapter: 169g Sensor Tray: 65g each
Enclosure Material	Polycarbonate
Ingress Protection	IP65
Cable Entry	M20 knock-out entry; cable ID 4 mm, OD 6 mm
Power	10 to 30V DC, 24V DC Nominal 150mA (3.6W @ 24V dc), 5W Max; inrush <1.7A
Display	128×64 OLED, both channels shown simultaneously
Electrical Output	2 x 4-20mA RS-485 Modbus RTU
Relays Output	SPDT relay for signal circuits, 1A at 24V DC Alarm 1, Alarm 2, Fault
Audio Visual Output	Sounder: 85dB @ 3m LED: Power (Green), Fault (Yellow), Alarm (Red)
Operating Temperature	-40°C to +75°C Refer to the sensor options table for sensor operating temperature
Operating Humidity	0 to 99% RH (non-condensing) Operating humidity range may vary for specific sensors
Data Logging	3000 data logs
Approvals	CE, ETL, RoHS UL 2075 (CO & CH4 sensors), UL 61010-1, EN 61010-1, EN 50270
Warranty	2 years on transmitter and sensors
*Contact Crowcon for availability

Any two sensors may be fitted to one transmitter. Catalytic, electrochemical and infra-red gas sensors
are supported on the same transmitter.

Gas	Sensor type	Range	Temperature Range	Humidity Range
Hydrogen (H₂)	Catalytic	0–25% LEL, 0–100% LEL	-20 to +60°C	0 to 95% RH
Methane (CH₄)	Catalytic	0–25% LEL, 0–100% LEL	-20 to +60°C	0 to 95% RH
Carbon Monoxide (CO)	Electrochemical	0–50 ppm, 0–100 ppm, 0–200 ppm, 0 500 ppm, 0–1000 ppm	-10°C to +50°C	15 to 90% RH
Hydrogen Sulphide (H2S)	Electrochemical	0–25 ppm, 0–100 ppm	-30°C to +50°C	15 to 90% RH
Oxygen (O₂)	Electrochemical	0–25% Vol.	-20°C to +50°C	15 to 99% RH
Sulphur Dioxide (SO₂)	Electrochemical	0–100 ppm	-30°C to +50°C	15 to 99% RH
Carbon Dioxide (CO₂)	Infra-red	0–5000 ppm, 0–5% Vol.	-20°C to +50°C	0 to 95% RH

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