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Crowcon TXgard-IS+ Toxic and Oxygen Detector

26,200,000

Description

Can be detect below gasses:

  • Ammonia (NH3)
  • Chlorine (Cl2)
  • Carbon monoxide (CO)
  • Chlorine dioxide (ClO2)
  • Hydrogen (H2)
  • Hydrogen cyanide (HCN)
  • Hydrogen sulphide (H2S)    
  • Hydrogen fluoride (HF)
  • Nitrogen dioxide (NO2)
  • Oxygen (O2)
  • Ozone (O3)
  • Phosgene (COCl2)
  • Phosphine (PH3)
  • Sulphur dioxide (SO2)

Overview

TXgard-IS+ is a Intrinsically Safe (I.S.) toxic and oxygen gas detector with local LCD display. A very wide choice of sensors are available for use in a variety of applications. TXgard-IS+ is ATEX certified for use in Zone 0,1 or 2 hazardous areas and also UL and cUL certified for use in Division 1 or 2 hazardous areas.

Non-intrusive calibration

  • Calibration can be performed locally without the need for hot work permits – minimises operational down-time
  • Local display and buttons enable calibration without opening the junction box

Flexible output options

  • 4-20mA current sink – works with a wide selection of control panels
  • 2 wire format

Rugged and reliable

  • Made from tough carbon loaded nylon
  • Ingress protection to IP65 as standard

Low cost of ownership

  • Non-intrusive one man calibration – easy to operate and maintain
  • Long life sensors – keeps interuption to on-site activity to a minimum
  • Simple parts replacement

Wide range of sensors

  • Extensive range of electrochemical sensors for toxic gases and oxygen

Specification

Technical Specifications

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
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 / Exia IIC T4 Ga / UL Class I, groups A, B, C and D
EMC compliance EN 50270, FCC, ICES-003

Gases and Ranges

Gas Range Available
Ammonia (NH3) 50, 100, 1000ppm
Chlorine (Cl2) 5, 10, 20ppm
Carbon monoxide (CO) 250, 500ppm
Chlorine dioxide (ClO2) 1ppm
Hydrogen (H2) 2000ppm, 50% LEL, 100% LEL
Hydrogen cyanide (HCN) 25ppm
Hydrogen sulphide (H2S) 25, 50, 100, 200ppm
Hydrogen fluoride (HF) 10ppm
Nitrogen dioxide (NO2) 10ppm
Oxygen (O2) 25% vol.
Ozone (O3) 1ppm
Phosgene (COCl2) 1ppm
Phosphine (PH3) 2ppm
Sulphur dioxide (SO2) 10, 20, 30ppm

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