Crowcon Gasflag - Single Channel Control Panel
Crowcon Gasflag - Single Channel Control Panel Crowcon Gasflag - Single Channel Control Panel

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Price From: £51.00 exc VAT £51.00 inc VAT £61.20

Price as configured: exc VAT £0.00 inc VAT £0.00

Crowcon Gasflag - Single Channel Control Panel for monitoring any 4-20mA flammable, toxic or oxygen gas detector.

Price as configured: exc VAT £0.00 inc VAT £0.00

Availability: In stock

Description / Features / Spec


Crowcon Gasflag - Single Channel Control Panel

This is a control panel from Crowcon for monitoring any 4-20mA flammable, toxic or oxygen gas detector. It features bright alarm LED's and an 80dB sounder (at 1 metre).

Alarm 1, Alarm 2 and Fault relays are fitted for switching external devices such as audible/visual alarms or valves. Additionally, relay contacts are rated 1A 30Vdc maximum. The Crowcon Gasflag operates from 24Vdc and may be supplied either with or without a mains power supply.

Both options are available within this bundle, ensure you select with or without power supply. 

Please note: these are not suitable for use with Xgard Types 3 or 4.

The Gasflag is ideally suited to light industrial or commercial applications such as LPG monitoring on garage forecourts, chlorine detection in swimming pool dosing rooms, or methane detection in boiler rooms.

Key Features

  • loud audible alarm
  • simple installation
  • one button operation
  • variable alarm configurations
  • daisy chain multiple units
  • accepts industry standard 4-20mA inputs



210 h x 145 w x 46 d mm (8.25 x 5.75 x 1.75 inches)


<500g (1.1 lb)

Enclosure Material


Sensor Connection

Two or three wire connection to sensor via screened cable

Operating Voltage

13-28 V dc

Input Type

4-20mA sink or source (selectable)

Panel Indication

Power Healthy         Green LED

System fault              Amber LED

Alarm 1 & Alarm 2   Red LEDs

Fault Current

<3 mA and >23.5 mA (overrange fault)

Operating Temperature

-20°C to +70°C (-4°F to +158°F)


-25°C to +65°C (-13°F to +149°F)


0-99% RH, non-condensing

Trip Point Hysteresis

Alarm hysteresis set at approximately 0.5 mA

Fault hysteresis set at approximately 0.2 mA

Response Time

Time to alarm <1 second


Terminals accept cables of cross-sectional area 0.5 to 2.5 mm2

Relay Outputs

Single pole change-over for use with dc signals

The relay contacts are rated 1A at 30 V dc


EMC EN50270

Ingres Protection



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Please note: we're currently facing high demand for all Facemasks and Filters, due to the Coronavirus outbreak.  Our stock levels are changing constantly and we're working hard to fulfill demand where we can. This means that express delivery may not always be available and standard lead times may vary, however our Sales Team will be in touch to advise latest delivery timescales. 

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