GDS - 100 - Single Point Gas Alarm - Datasheet

GDS100ApplicationA fixed single point alarm unit that meets the requirements for economic and reliable monitoring of gas levels in a widerange of environments from commercial premises through to heavy industrial applications which may requirehazardous area sensing.Typical monitor locations are - public buildings, boiler plant rooms, swimming pools, water treatment works, H&Vcontrol systems, manufacturing and process plants.Technical DataMeasuring Range • Combustible Gas - LEL, % Vol, ppm• Toxic Gas - ppm, % Vol• Oxygen - % vol - Depletion or Enrichment• Any 4~20mA input signalIndicators • Digital Display 31/2 Digit• Power - Green L.E.D.• Switch on delay power indicator flashing - 45 secs• Alarms Lo/Hi - Red L.E.Ds• Fault - Amber L.E.D.• System Test - Alarm L.E.D.s flashing• Alarm relay inhibit - Fault L.E.D. onAudible Alarm • Low, High and Fault AlarmsTECHNOLOGIES LTD Single Point Gas Alarm• Flammable, Oxygen or Toxic Gases• Wall or panel mount• Two alarm stages + relays• Internal or remote sensor• Compact size• Low power consumption• 4-20mA analogue output• Sealed to IP65 rating• Extensive fault detection circuitry• Delay to alarm optionsSpecification Sheetref C292AGDSISO 9001This document is not contractual and the equipment specification may be modified at any time without prior notice. TECHNOLOGIES LTDField Terminalsref C292ATechnical DataPower Supply • 230/115v AC 50/60 Hz or 24vDCThe two voltages may be utilised simultaneously - standby batteryPower Consumption • 4 watts - full alarmOutputs • Low, High and fault alarm relays -SPCO normally de-energised - energised option • Lo gas alarm relay SPCO normally energised - de-energised optionlatched or unlatched• Fault relay SPCO normally de-energised - energised option • All contacts rated 5A - 230v AC• 4-20mA/1-5v• Output 24vDC @ 100mA max - auxiliary equipment (non inductive)Alarm Settings • Digital setting (fully adjustable between zero and full scale)• Delay to alarm options - 10/30 seconds, 10 minutesSensor Inputs • Bridge type 3 wire detector mv (Catalytic)• 4-20mA (electrochemical / infrared)Sensor Cable • 3 core 1.5mm2 screened 1.5kmMiscellaneous • Operating temperature -10 to +50°CStorage temperature -10 to 65°C• Alarm relay inhibit during calibration• Sounder Inhibit• System function test switch• Dimensions L200mm H120mm D58mm• Weight 0.8 kg• Protection IP65• Field Terminals - screw type 2.5mm • Cable entry - top, bottom, sides, rear1 2 3E + - Nc C No Nc C No Nc C NoLMainsinLowAlarmIN/OUT HighAlarmFault++E P Y WSensor-4-20mAN4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20DC-XDIwin XDI 900020 J 40 JGAS SENSORSafe AreaHazardous AreaGAS ALARM GDS 100S000TransformerSounderDC outselectField TerminalsAlarmset pushswitchRemoteResetN/OF2EDMuteSounderF1DPM SpanSensor voltsadjustHiLoFT2 T1 LL O2RESMA4-20mAoutput adjustZero CalibrationSpanRelay SelectEnergised / De EnergisedGDS Technologies LtdFusion Point, Ash LaneGarforth, Leeds LS25 2GATel +44 (0)113 286 0166Fax +44 (0)113 287 8178sales@gds-technologies.co.ukwww.gds-technologies.co.ukSensorsC933