Guardian NG DC CO2 Gas Monitoring System

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Gas Measurement Range

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Model	CO₂	CH4	CO
Guardian NG DC	0-3000 ppm	-	-
Guardian NG DC	0-1%	-	-
Guardian NG DC	0-3%	-	0-3%
Guardian NG DC	0-5%	0-5%	-
Guardian NG DC	0-10%	0-10%	0-10%
Guardian NG DC	0-30%	0-30%	0-30%
Guardian NG DC	0-100%	0-100%	0-100%
Guardian NG DC	0-100% Biogas	0-100% Biogas
Accuracy	±2% of full scale
Operating temperature	0-40°C
Humidity	Measurements are unaffected by 0-95% relative humidity, non-condensing
Power requirements	24V DC (18-30 V DC)
Power consumption	13W typical (25W Max)
Response time	T₉0 <30 seconds from sample inlet
Outputs	4-20mA / 0-20mA analogue output 11V guaranteed drive capability Alarm 1 relay, Alarm 2 relay and Fault relay SPCO (single pole change-over)
Voltage	8A at 250V AC (resistive load) 8A at 24V DC (resistive load)
Enclosure rating	IP54

Infrared Gas Monitor

The Guardian NG DC infrared gas monitor supplied by Edinburgh Sensors offers near-analyser quality continuous sampling, measurement and display of CO₂concentrations between 0 – 3000ppm by volume from low voltage DC supplies in the range of 18-30V.

Key Features

Low voltage DC supply.
True PPM readout over a wide range of pressures (pressures compensated).
Improved screen display provides more information.
Relay and fault outputs for control of external devices.

Brochure Downloads

The Guardian NG DC

Gas Measurement Range

Key Features

Low voltage DC supply.

True PPM readout over a wide range of pressures (pressures compensated).

Improved screen display provides more information.

Relay and fault outputs for control of external devices.

Brochure Downloads

The Guardian NG DC