EF-100 Single Point Gas Alarm...

EF-100 Single Point Gas Alarm

Features

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• Flammable, Oxygen or Toxic Gases
• Wall or panel mount
• Two alarm stages + relays
• Internal or remote sensor
• Compact size

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Overview

A fixed single point alarm unit that meets the requirements for economic and reliable monitoring of gas levels in a wide range of environments, from commercial premises through to heavy industrial applications which may require hazardous area sensing.

Typical monitor locations are – public buildings, boiler plant rooms, swimming pools, water treatment works, H&V control systems, manufacturing and process plants.

Additional Features

• Low power consumption
• 4-20mA analogue output
• Sealed to IP65 rating
• Extensive fault detection circuitry
• Delay to alarm options
  

  Tech Specs:

  Measuring Range Combustible Gas – LEL, % Vol, ppm Toxic Gas – ppm, % Vol Oxygen – % vol – Depletion or Enrichment Any 4~20mA input signal

  Indicators 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. on

  Audible Alarm Low, High and Fault Alarms

  Power Supply 230/115v AC 50/60 Hz or 24vDC The two voltages may be utilised simultaneously – standby battery

  Power Consumption 4 watts – full alarm

  Outputs Low, High and fault alarm relays -SPCO normally de-energised – energised option Low gas alarm relay SPCO normally energised – de-energised option latched 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 minutes

  Sensor Inputs Bridge type 3 wire detector mv (Catalytic) 4-20mA (electrochemical / infrared)

  Sensor Cable 3 core 1.5mm2 screened 1.5km

  Miscellaneous Operating temperature -10 to +50˚C Storage temperature -10 to 65˚C Alarm relay inhibit during calibration Sounder Inhibit System function test switch Dimensions L200mm H 120mm D 58mm Weight 0.8 kg Protection IP65 Field Terminals – screw type 2.5mm Cable entry – top, bottom, sides, rear

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