Specification :

Sensor points 1 ~ 4
Measurements Combustible Gas - L.E.L., % vol, ppm
Toxic Gas - ppm, % vol
Oxygen - % vol Depletion/ Enrichment
Any 4~ 20mA input signal
Power supply 230/ 115v AC or 24v DC and specials
Power Consumption 12 watts - full alarm
Indicators Power - Green L.E.D
Mains Fail - power indicator change green to amber
Alarms - Red L.E.D.s
Fault - Amber L.E.D
Digital Display - 31/ 2 Digit - gas readout
Sensor channel selection indicator - Amber L.E.D
System test - Alarm L.E.D.s flashing
Alarm Relay Inhibit - Fault L.E.D on
Outputs High Alarm Relay - Common D.P.C.O
Normally energised or de-energised, latched or unlatched
Low Alarm Relay - Common D.P.C.O
Normally energised or de-energised, latched or unlatched
Fault Alarm Relay - Common S.P.C.O
Normally energised or de-energised
Channel Relays - 1 per channel high or low selectable S.P.C.O
Normally energised or de-energised, latched or unlatched
General Alarm Relay - resetable S.P.C.O
All contacts rated 5A-230vAC
Analogue 4 ~ 20mA output per channel
Output 24vDC @ 100mA max - auxiliary equipment ( non
inductive)
Audible Alarm Permanent mute option.
Lo, Hi, Fault alarms
Alarm Settings Digital Setting ( fully adjustable between zero and fullscale)
Delay to alarm T1 - 10 seconds, T2 - 30 seconds,
T1 + T2 - 10 minutes
Sensor inputs Bridge type 3 wire mV input
4~ 20mA ( electrochemical/ infrared)
Sensor cable 3 core 1.5mm2 screened < 1.5km
Miscellaneous EMC approvals EN50270 Marine EN60945
Enclosure - cable entry - bottom/ rear
Operating temperature -10 to + 50° C
Relative Humidity 0 - 90%
Protection IP52 - option IP65
Dimensions 310W x 265H x 75Dmm / 12.2W x 10.4H x 3.0D"
Weight 3.6kg / 7.94 lbs.
Optional backup battery
Field terminals - 2.5mm quick release
System/ lamp test
Remote Accept/ Reset
Alarm isolate during service - inhibit