GDS 301, Operating Handbook

Page: 7 / 12

7
Technical
CE Cert. No. Ref
C
914
Sensor Points One
Sensor Type Catalytic, Electrochemical, Infra-red, Semiconductor
Measurements Combustible gas – L.E.L. % vol.
Toxic gas PPM, % vol.
Oxygen - % vol. – depletion/enrichment
Refrigerant – ppm
Power Supply Input - 230/115v AC – 50/60 Hz - 24v DC – Special 50v DC
Consumption 70W full alarm
Field Terminals Screw Type – accepting up to 2.5 mm cable
Indicators Gas level readout 3
1/2
digital display
Power – green L.E.D
Low alarm – red L.E.D
High alarm – red L.E.D
System fault – amber L.E.D
Flow fail – amber L.E.D - (Pump fail/line blockage)
User Interface Panel mounted push buttons (two)
Reset – Mute sounder, reset alarms, initiate alarm relay inhibit
Test – check alarm indicators, sounder and relay action
Alarm Settings Digital setting (fully adjustable between zero and full scale)
Normally latched – option auto reset
Outputs Relay – high level gas alarm S.P.C.O.
Relay – low level gas alarm S.P.C.O.
Relay – system fault S.P.C.O.
Relay – flow fail S.P.C.O. – flow fail alarm board
All contacts rated 5A 230v AC
All relay contacts used to switch inductive loads (relays etc)
should have suppressors fitted, typical device Farnell 772-756
4~20mA analogue output or 1~5v
Optional data logger
24v DC @ 100mA - Available for auxiliary equipment
Audible Alarm Lo, hi, fault flow fail alarms 98dB @ 38cm
Dimensions H 265mm x W 315mm x D 75mm
Cable Entry Base – Rear
Weight 3.7 kg