TXgard-IS+ toxic gas detector

Price: Liên hệ

Model TXgard-IS+
Manufacturer Crowcon 
Power supply
Condition Còn hàng
Warranty 12 tháng
The TXgard-IS+ toxic gas detector is ATEX certified for use in Zone 0.1 or 2 hazardous areas and is also UL and cUL certified for use in Zone 1 or 2 hazardous areas.

I. Specification of toxic gas detector TXgard-IS+

TXgard-IS+ toxic gas detector

Non-intrusive calibration:

  • Calibration of the TXgard-IS+ toxic gas and toxic gas detectors can be performed on-site without the need for a hot work permit - minimizing downtime.
  • Local display and buttons allow calibration without opening the junction box.

Flexible output options:

  • 4-20mA current power supply - works with a wide selection of control boards.
  • 2-wire format.

Sure and reliable:

  • Made from carbon-loading nylon
  • Ingress protection according to IP65.

Low cost:

  • Non-intrusive calibration - easy to operate and maintain
  • Long-life sensor - keep on-site operation to a minimum
  • Simple spare parts replacement.

A wide range of sensors:

  • TXgard-IS+ Crowcon toxic gas detector with wide range of electrochemical sensors for toxic gases and oxygen.
***See more GMGA stationary gas detectors and analyzers at: https://gmga.vn/en/danh-muc/analytical-equipment/gas-analysis-equipment/

II. Specifications of oxygen detector TXgard-IS+

Size 160 x 123 x 92mm
(6.3 x 4.8 x 4.5ins)
Weight 0.7kg (1.5lbs)
Ingress protection IP65
Enclosure material Junction box: Carbon loaded nylon
Sensor housing: ABD Plastic
Power 8-32Vdc, 4-20mA loop-powered
Cable entries 1 x M20 or 1/2” NPT with adaptor
Operating temperature -20°C to +55°C (-4°F to 132°F) *
Humidity 15 to 90% RH non-condensing
Display 2-Line, 16 character LCD
Calibration method Via push-buttons
Electrical output 2 wire 4-20mA sink
Terminals Suitable for up to 2.5mm2 cable
Sensor type Electrochemical
Repeatability +/- 2% FSD typically
Zero drift +/- 2% FSD, 6 months typically
Response time Contact Crowcon for a full list of sensor response times
Performance Tested in accordance with EN60079-29-1
Hazardous area zones Zone 0, 1 or 2
Division 1 or 2
(when connected via an isolation device)
Approvals Ex II 1 G Ex ia IIC T4 (-40°C to +65°C)
Exia IIC T4 Gb Tamb -20°C to +55°C
UL Class I, groups A, B, C and D
EMC compliance EN 50270, FCC: CFR 47 Part 15, ICES-003
* Figures shown exclude the sensors – Please contact Crowcon for a full list of sensor operating temperatures

Gas And Range


Range Available
Ammonia (NH3)

50, 100, 1000ppm

Chlorine (Cl2)

5, 10, 20ppm
Carbon monoxide (CO)

250, 500ppm

Chlorine dioxide (ClO2)

Hydrogen (H2)

2000ppm, 50% LEL, 100% LEL

Hydrogen cyanide (HCN)

Hydrogen sulphide (H2S)

25, 50, 100, 200ppm

Hydrogen fluoride (HF)

Nitrogen dioxide (NO2)


Oxygen (O2)

25% vol.
Ozone (O3)


Phosgene (COCl2)

Phosphine (PH3)


Sulphur dioxide (SO2)

10, 20, 30ppm

  ***Crowcon's toxic gas detector video is available at: Gmga Measuring Youtube.

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