Crowcon TXgard Plus Fixed Gas Detector

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Description

The Crowcon TXgard Plus is a flameproof (Ex d), ATEX, IECEx certified toxic or ogygen gas detector with a local LCD display. A wide range of sensors are available, which enables use in a variety of applications such as water treatment, oil and gas exploration, chemical plants and steel production.

Gas LTEL (ppm) STEL (ppm) Range Available
Carbon monoxide (CO) 20 100 100, 250, 500, 1000ppm
Hydrogen sulphide (H2S) 5 10 15, 20, 25, 50, 100, 200ppm
Oxygen (O2) 19.5% Vol. typical alarm 23.5% typical alarm 25% Vol.

Additional information

Dimensions

200 x 115 x 115mm (7.9 x 6.1 x 6.1ins)

Weight

2.2kg (4.9lbs)

IP Rating

IP65

Enclosure

Junction box: Marine grade alloy, Sensor housing: 316 stainless steel

Power

10-30Vdc, 210mA max (relay version), 160mA max (non relay)

Cable Entry

2 x M20 or 1/2” NPT

Temperature Range

-10°C to +55°C

Relative Humidity

15 to 90% RH non-condensing

Calibration method

Via magnetically operated buttons

Electrical Output

3 wire 4-20mA, sink or source

Terminals

Suitable for up to 1.5mm2 cable

Sensor Type

Electrochemical

Repeatability

+/- 2% FSD typically

Zero drift

+/- 2% FSD, 6 months typically

Performance

Tested in accordance with EN60079-29-1

Approvals

Ex db IIC T6 Tamb -20°C to +55°C, Ex II 2 G

EMC compliance

EN 50270, FCC: CFR 47 Part 15, ICES-003

Relays

No relays, With relays

Material

Stainless steel

Gas Type

Carbon Monoxide 0-1000ppm, Carbon Monoxide 0-100ppm, Carbon Monoxide 0-250ppm, Carbon Monoxide 0-500ppm, hydrogen sulphide, 0-100ppm, hydrogen sulphide, 0-15ppm, hydrogen sulphide, 0-25ppm, hydrogen sulphide, 0-50ppm, Oxygen 0-25% VOL