The TXgard-IS+ is an Intrinsically Safe (I.S.) series of explosion-level gas probes that detect toxic gas and oxygen concentrations, which have an LCD display in place. This type of newspaper can optionally select a variety of in-mounted sensors suitable for a variety of applications. TXgard-IS+ is certified by ATEX to be suitable for Zone 0, 1 or 2 for explosion rooms, and UL and cUL are certified in accordance with Division 1 or 2.
CROWCON TXGARD-IS GAS PROBE FEATURES:
Easy calibration, no machine opening required
- Calibration can be done on site easily, without the need for complex training
- On-site monitors and push buttons for simple calibration, no device mounting required
Variety of signals out:
- Analog 4~20mA series power signal
- It is possible to emast the signal out to check the device.
Sustainability and stability
- Grp plastic shell structure is fireproof, neat, stable
- IP65 Waterproof Supply
- Accurate, stable electrolysizing sensor
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 |
Crowcon TXgard-IS gas forecast can optionally detect gases
- Ammonia Gas Forecast (NH3)
- Chlorine Gas Forecast (Cl2)
- Carbon monoxide (CO) detector
- Chlorine dioxide Gas Forecast (ClO2)
- Hydrogen Gas Forecast (H2)
- Hydrogen cyanide Gas Forecast (HCN)
- Hydrogen sulphide gas forecast (H2S)
- Hydrogen fluoride Gas Forecast (HF)
- Nitrogen dioxide Gas Forecast (NO2)
- Oxygen Gas Forecast (O2)
- Ozone Gas Detector (O3)
- Phosgene Gas Forecast (COCl2)
- Phosphine Gas Forecast (PH3)
- Sulphur dioxide Gas Forecast (SO2)
Actual images:
Installation and correction of Crowcon Txgard IS+ Installation and correction of Crowcon Txgard IS+