Crowcon TXgard-IS+ Gas Detector
Crowcon TXgard-IS+ is a fixed gas detector that is ATEX certified for use in zone 0, 1 or 2 hazardous areas . The Crowcon TXgard-IS+ intrinsically safe gas detector also has UL and cUL certified for use in Division 1 or 2 hazardous.
Crowcon TXgard-IS+ has a wide selection of sensors including a number of catalytic beads for a wide selection of flammable gases and vapours as well as electrochemical sensors for toxic gases and oxygen.
The Crowcon TXgard-IS+ gas detector is easy to calibrate. Maintenance and operation are simple and the long life sensors keep disruption to site to a minimum.
Crowcon TXgard-IS+ has an ingress protection to IP65 as a standard.
Crowcon TXgard-IS+ Fixed Gas Detector – Key Features
- Robust Construction – Crowcon TXgard-IS+ is constructed from tough carbon loaded nylon and an IP65 rating as standard
- Flexible Options – The TXgard-IS+ is available in 2 or 3 wire formats with a 40-20mA current sink or source. Relays for alarm and fault are also options
- Low Ownership Costs – Sensors are long life with simple part replacement making the gas detector easy to operate and maintain
- Calibration – The TXgard-IS+ can be calibrated with ease and boasts local display and buttons so the junction box doesn’t need to be opened. Non-intrusive one man calibration can be performed locally without the need for hot work permits
- Range of Sensors – This gas detector can be tailored to meet the user’s needs with a choice of catalytic beads for a wide selection of flammable gases and vapours and an extensive range of electrochemical sensors for toxic gases and oxygen
Crowcon TXgard-IS+ Bump Testing And Calibration
Routine bump testing is recommended for the range of Crowcon fixed gas detectors prior to each use. Bump testing is a brief application of a gas to the sensor to invoke a prescribed reaction, ensuring the gas detector reacts as expected.
Bump testing provides a quick, easy and direct method of verifying gas detectors are performing as required and takes a lot less time than ‘zeroing’ the device.
The bump test is widely accepted as a suitable method of testing gas detection equipment.
Crowcon TXgard-IS+ Fixed Gas Detector – Product Specifications
|Size||160 x 123 x 92mm (6.3 x 4.8 x 4.5ins)|
|Enclosure material||Junction box: Carbon loaded nylon Sensor housing: ABD Plastic|
|Cable entries||1 x M20 or 1/2” NPT with adaptor|
|Power||8-32Vdc, 4-20mA loop-powered|
|Operating temperatures||-20o C to +55o C (-4o F to 131o 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|
|Repeatability||+/- 2% FSD typically|
|Zero drift||+/-2% FSD, 6 months typically|
|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||EN50270, FCC, ICES-003|
Crowcon TXgard-IS+ – Fixed Gas Detector Gases And Ranges Detected
|Gas Type||LTEL (ppm)||STEL (ppm)||Crowcon TXgard-IS+ Range Available|
|NH3 Ammonia||25||35||50, 100, 1000ppm|
|CO Carbon monoxide||30||200||250, 500ppm|
|CL2 Chlorine||–||0.5||5, 10, 20ppm|
|CLO2 Chlorine dioxide||0.1||0.3||1 ppm|
|H2 Hydrogen||–||–||2000ppm, 50% LEL, 100% LEL|
|HCN Hydrogen cyanide||–||10 (MEL)||25ppm|
|HF Hydrogen fluoride||1.8||3||10ppm|
|H2S Hydrogen sulphide||5||10||25, 50, 100, 200ppm|
|NO2 Nitrogen dioxide||1||1||10ppm|
|O2 Oxygen||–||25% vol.|
|SO2 Sulphur Dioxide||1||1||10, 20, 30ppm|
Crowcon TXgard-IS+ – Hazardous Area ATEX Certified Gas Detector
Hazardous Area Classification :
Ex II 1 G Exia IIC T4 Ga
UL Class I, groups A, B, C and D
Crowcon TXgard-IS+ is an ATEX certified gas detector for use in Zone 0,1 or 2 hazardous areas – also UL and cUL certified for use in Division 1 or 2 hazardous areas.
Visit hazardous area gas detectors for explosion and flameproof gas monitoring and detection instruments with certification for potentially explosive atmospheres, including Zone 1 and Zone 2 (according to ATEX and IECEx) and Class/Division categories (according to North American standards).
T&D provide competitive prices and delivery for all Crowcon Gas Detectors, including the Crowcon TXgard-IS+.
➡ Did you know? Crowcon fixed gas detectors protect plant; portable gas detectors protect people.