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Crowcon TXgard-Plus Toxic Gas Detector, Carbon Monoxide 0-100, 250, 500, 1,000 ppm

Item #:
TXP-R-CO
Brand:
Crowcon
Crowcon TXgard-Plus Toxic Gas Detector, Carbon Monoxide 0-100, 250, 500, 1,000 ppm
$1,540.00
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Crowcon TXgard-Plus Toxic Gas Detector, Carbon Monoxide 0-100, 250, 500, 1,000 ppm

Crowcon TXgard-Plus Toxic Gas Detector, Carbon Monoxide 0-100, 250, 500, 1,000 ppm

$1,540.00

TXgard and Flamgard Plus

With over 40 years of experience in gas detection technology and development, Crowcon Detection Instruments is pleased to present one of its most economical gas sensing devices. With its one man calibration system, life-long sensors, and simple parts replacement, the Txgard and Flamgard Plus range of detectors offer a reliable and cost efficient solution for most gas detection needs.

With its mission to protect people and plant from gas hazards, the newest line of gas detecting instruments include exclusive state of the art features including:

  • Marine grade with stainless steel housing
  • A wide range of reliable and advanced gas detecting sensors
  • Flexible output options
  • Optional relays for alarm and fault
  • Quick response times
  • Easy to read screen displays
  • Easy to operate calibration methods
  • Efficient and economical sensor and gas detection technology

Rugged, Reliable, and Flexible

The detector models are constructed to withstand the abuse of hazardous work environments. The TXgard and Flamgard Plus detectors use marine grade aluminum with a stainless steel sensor housing to ensure the safety and integrity of the equipment. The TXgard-IS+ is constructed of carbon-loaded nylon. The models also feature flexible output options including 2 or 3 wire formats, optional relays for alarm and fault, and 4-20mA current sink or source. Crowcon also has a wide variety of catalytic and electrochemical gas sensors to fit these models (currently offering more than 25 individual gas sensors).

Flamgard Plus and TXgardPlus Specifications

The Flamgard Plus and TXgard Plus models are similar in size (200 x 115 x 115 mm) and weight (2.2 kilograms). However, the Flamgard Plus utilizes a catalytic bead sensor and the TXgard Plus utilizes an electrochemical sensor. Both feature an ingress protection with an IP66 weatherproof cap and 2 x M20 x ½” NPT cable entries. These models feature optional relays of SPNO or SPNC contacts rated 30 Vdc 1A (non-inductive load) for Alarm 1 and fault for Alarm 2.

For easy reading, these models have a 3 digit backlit display with and LED status indicator. The magnetically operated buttons control the calibration method and the terminals are suited for up to 1.5 mm2 cable. Both models are suited for usage in hazardous zones 1 and 2.

TXgard IS+ and Specs

The TXgard IS+ is slightly smaller than the other two models and houses an electrochemical sensor type. It is approximately 160 x 123 x 92 mm in size and .7 kilograms in weight. This unit also features an IP66 weatherproof cap for ingress protection. The display is slightly smaller than the other two models, and offers a 2 line 16 character LCD screen. The calibration method is operated via front mounted push buttons, and its terminals are suited for up to 2.5 mm2 cables. This model is appropriate for hazardous zones 0, 1, and 2, and when connected via an isolation device, the TXgard IS+ is suited for hazardous zones 20, 21, and 22.

TXgard-Plus Specifications:
Size 200h x 115w x 115d (mm)
Weight 2.2 kg
Enclosure material Junction box: Marine grade alloy
Sensor housing: 316 stainless steel
Ingress protection IP65, IP66 with weatherproof cap
Cable entries 2 x M20 or 1/2”NPT
Power 10-30Vdc, 100mA max. (relay version).
50mA max. (non relay)
Operation temperatures -10oC to +55oC (14oF to 131oF)
Humidity 15 to 90% RH non-condensing
Relays (optional) SPNO or SPNC contacts rated 30Vdc 1A (non-inductive load) for Alarm1, 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 (current sink or source)
Terminals Suitable for up to 1.5mm2 cable
Sensor type Electrochemical
Repeatability +/- 2% FSD*
Zero drift +/- 2% FSD, 6 months*
Response time Contact Crowcon for a full list of sensor response times
Hazardous area zones Zone 1 or Zone 2

Sensor Specifications:
Gas Type LTEL (ppm) STEL (ppm) Ranges Available
Ammonia (NH3) 25 35 -
Carbon Monoxide (CO) 30 200 100, 250 500, 1000 ppm
Chlorine (Cl2) - 0.5 -
Chlorine Dioxide (ClO2) 0.1 0.3 -
Hydrogen (H2) N/A N/A -
Hydrogen Cyanide (HCN) - 10 (MEL) -
Hydrogen Flouride (HF) 1. 8 3 -
Hydrogen Sulphide (H2S) 5 10 10,15,20, 25, 50, 100, 200 ppm
Nitrogen Dioxide (NO2) 1 1 -
Ozone (O3) - 0.2 -
Oxygen (O2) - - 25% Vol
Phosgene (COCL2) 0.02 0.06 -
Phosphine (PH3) 0.1 0.2 -
Sulphur Dioxide (SO2) 1 1 -

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