Modular gas detection ATEX controller: 2 conventional sensors
Through the connection of 2 remote sensors, the BX280-AX control unit has been designed and built to detect the presence of toxic and/or explosive gas in a flexible way A microprocessor is used to create a complete surveillance and control system with maximum flexibility. Thanks to this and its other features, the BX280-AX is suitable for civil and industrial applications.
The BX280-AX control unit has two hazard levels:
1st LEVEL, 1st Pre-Alarm. It’s set at 13 % of L.E.L. for all sensors.
2nd LEVEL, Main Alarm. It’s set at 20% of L.E.L..
Main power supply: 110÷240 VCA 50/60 Hz
Secondary power supply: 12 V. dc ± 10%
Power demand: 6 W in alarm
Prealarm output relay: ON-OFF
Alarm output relay: in change 10A 250VAC
Fault relay: ON-OFF
Conventional gas sensor: Max. 2
Catalytic, Electrochemical, Semiconductor, Pellistore
Explosive alarm threshold: 8 -13 – 20% LIE
Toxic alarm threshold: 120 – 200 – 300 ppm
Input signal: 4 ÷ 20 mA on 220 Ohm
Accuracy: 1% FS
Positive Security: Selectable
OVER LOAD control: 1 for each probe
OVER LOAD control: 1 per battery
Working temperature: -10 ° C ÷ + 60 ° C
Protection degree: P20 in air
Installation: Rail DIN/Omega bar
Dimensions: 105x90x58 6 modules
Package Dimensions: 100x130x95
Weight: 280 grams approx.
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