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Product Features
- Carbon Monoxide, Hydrogen Sulphide and Oxygen range of electrochemical sensors available
- Local Calibration
- 4-20mA current sink or source
- IP65 as standard
Delivery options
At Cadmus Products we aim to deliver orders efficiently and at highly competitive rates.
- We can ship consignments of all shapes and sizes and hazardous content across the UK and worldwide. Most of our orders are sent via DHL, however sometimes we may use other couriers.
- If you are purchasing a laboratory product online you can find out the price of shipping checkout. If you are obtaining a quote for a product, then we will email you
with our best shipping prices along with your quote. - Please see our delivery page for full information
TXgard Plus is a flameproof (Ex d), ATEX, IECEx and UL certified toxic or oxygen gas detector with local LCD display. A choice of sensors are available enabling use in a wide range of applications, including water treatment, oil and gas exploration, chemical plants and steel production.
Non-intrusive calibration
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
- 4-20mA current sink or source – works with a wide selection of control panels
- 3 wire format
- Optional relays for alarm and fault – can be used for switching local alarms
- Constructed using marine-grade aluminium with a stainless steel sensor housing – proven track record for operation in the harshest environments
- Ingress protection to IP65 as standard
- 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
- Carbon Monoxide, Hydrogen Sulphide and Oxygen range of electrochemical sensors available
| Size | 200 x 115 x 115mm (7.9 x 6.1 x 6.1ins) |
| Weight | 2.2kg (4.9lbs) |
| Ingress protection | IP65 |
| Enclosure material | Junction box: Marine grade alloy Sensor housing: 316 stainless steel |
| Power | 10-30Vdc, 210mA max (relay version) 160mA max (non relay) |
| Cable entries | 2 x M20 or 1/2” NPT |
| Operating temperature | -10°C to +55°C (-14°F to 131°F) * |
| Humidity | 15 to 90% RH non-condensing |
| Relays (optional) | SPNO or SPNC contacts rated 30Vdc 1A (non-inductive load) for Alarm 1, Alarm 2, Fault |
| Display | 3-digit LCD back-lit display, LED status indicator |
| 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 |
| Response time | Contact Crowcon for a full list of sensor response times |
| Performance | Tested in accordance with EN60079-29-1 |
| Hazardous area zones | Zone 1 or 2 |
| Approvals | Ex II 2 G Ex db IIC T6 Tamb -20°C to +55°C |
| 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
Gases and Ranges
| Gas | Range Available |
| Carbon monoxide (CO) | 100, 250, 500, 1000ppm |
| Hydrogen sulphide (H2S) | 25, 50, 100, 200ppm |
| Oxygen (O2) | 25% vol. |
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