Gasflag is a control system for monitoring any 4-20mA flammable, toxic or oxygen gas detector. 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.

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Quick Overview

Features:

Loud internal audible alarm
Clear system integrity indication
Accepts industry standard 4-20mA inputs
Multiple units can be daisy-chained
Variable alarm configurations
Integral alarm outputs
Simple installation
Minimum maintenance
One button operation

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Details

Size	210 h x 145 w x 46 d mm (8.25 x 5.75 x 1.75 inches)
Weight	<500 g (1.1 lb)
Enclosure material	ABS
Sensor connection	Two or three wire connection to sensor via screened cable
Operating voltage	13-28 V dc
Input type	4-20 mA 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)
Storage	-25°C to +65°C (-13°F to +149°F)
Humidity	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
Connections	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
Standards	EMC EN50270
Ingree protection	IP20

Additional Information

Manufacturer: Crowcon

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