• GAS 101 - Gas Monitor

GAS 101 - Gas Monitor

Part No. Various
  • GAS 101 mains version with aspirated sensor
  • GAS 101 mains version with standby battery

Product Details

The control unit is fully configurable for a single input from either a 4~20mA transmitter or a 3 wire mV device, with internal, aspirated or remote sensor options.

The GAS 101 also has the capability to form part of our GAS 640 CANbus addressable network, therefore offering the features of our most advanced gas detection system.

ChannelsSingle Channel
MeasurementsCombustible Gas – L.E.L, % Vol.
Toxic Gas – ppm, % Vol.
Oxygen – % Vol. – Depletion / Enrichment
Refrigerant – ppm
Any 4~20mA Transmitter
Sensor InputsBridge type 3 wire mv (Catalytic)
2 or 3 wire 4~20mA (Electrochemical)
4~20mA (Infrared / Catalytic / PID / Semiconductor)
Outputs4-20mA – Sink/Source
500mA @ 24v DC
Inhibit active indicator O/C 100mA – 24vDC
RelaysPower – Green L.E.D
Alarms – 1, 2, 3 Red L.E.D’s
Fault – Amber L.E.D
Display – 2 line alpha–numeric
Audible Alarm1, 2, 3 and fault alarm relays (4) – S.P.C.O normally, de-energised – energised option, latched or unlatched
All contacts rated 3A-230v AC
Sensor Cable3 Core 1.5mm2 screened 1.5km
Power24v nominal 18v to 30vDC
85~260v AC 50/60Hz
The two voltages may be utilised simultaneously – standby supply
4 Watts – Full Alarm
Panel IndicationTwo line alpha numeric back lit display
Power – Green LED
Alarms 1, 2, 3 Red LED’s
Fault – Amber LED
Alarms Inhibit – Amber LED
Audible Alarm1, 2, 3, and Fault Alarms – Mutable
85dB @ 10cm
Data LoggingIntervals – Variable Time
Rollover / Stop
Storage – 2,880 Readings
*Requires RS232 Lead, PC or Laptop (dedicated)*. HyperTerminal
Operating Temperature-10 to + 50°C
Storage Temperature+5°C to +55°C
Humidity0-95 non condensing
Ingress ProtectionIP64
Dimensions24vDC Version: H-145 L-145 D-65mm
AC Mains Version: H-145 L-145 D-100mm
Enclosure MaterialABS Flame Retardant FR40 – Lid Screws M4SS
StandardsEMC BS EN 50270
Low Voltage BS EN 61010-1

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