Crowcon TXgard-IS+ Toxic Gas Detector, 0-250, 500 ppm CO - TXISP / CO / 500

  • Crowcon TXgard-IS+ Toxic Gas Detector, 0-250, 500 ppm CO - TXISP / CO / 500
  • Crowcon TXgard-IS+ Toxic Gas Detector, 0-250, 500 ppm CO - TXISP / CO / 500
  • Crowcon TXgard-IS+ Toxic Gas Detector, 0-250, 500 ppm CO - TXISP / CO / 500
  • Crowcon TXgard-IS+ Toxic Gas Detector, 0-250, 500 ppm CO - TXISP / CO / 500

Item #
TXISP-CO-500
Price
$989.00
Cable Entry
Certification
Quantity
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TXISP/CO/500 TXgard-IS+ Toxic Gas Detector, 0-250, 500 ppm CO by Crowcon

TXgard-IS+ is a Intrinsically Safe (I.S.) toxic and oxygen gas detector with local LCD display. A wide choice of sensors is 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.

Flexible output options

  • 4-20mA current sink or source
  • 2 or 3 wire formats
  • Optional relays for alarm and fault
  • Works with a wide selection of control panels
  • Can be used for switching local alarms

Non-intrusive calibration

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

Wide range of sensors

  • Choice of catalytic beads for a wide selection of flammable gases and vapours
  • Extensive range of electrochemical sensors for toxic gases and oxygen
  • Gas detector tailored to your requirements

Low cost of ownership

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

Rugged and reliable

  • TXgard Plus and Flamgard Plus are constructed using marine grade aluminium with a stainless steel sensor housing
  • TXgard-IS+ is made from tough carbon loaded nylon
  • Ingress protection to IP65 as standard
  • Proven track record for operation in the harshest environments



Technical Specifications
Size
160 x 123 x 92mm
(6.3 x 4.8 x 4.5ins)
Weight
0.7kg (1.5lbs)
Enclosure material
Junction box: Carbon loaded nylon
Sensor housing: ABD Plastic
Ingress Protection
IP65
Cable entries
1 x M20 or 1/2" NPT with adaptor
Power
8-32Vdc, 4-20mA loop-powered
Operating temperatures
-20°C to +55°C (-4°F to 131°F) *
Humidity
15 to 90% RH non-condensing
Relays (optional)
N/A
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
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


Gases and Ranges
Gas Type
LTEL (ppm)
STEL (ppm)
Range Available
Ammonia (NH3)
25
35
50, 100, 1000ppm
Carbon monoxide (CO)
30
200
250, 500ppm
Chlorine (CL2)
-
0.5
5, 10, 20ppm
Chlorine dioxide (CLO2)
0.1
0.3
1 ppm
Hydrogen (H2)
-
-
2000ppm, 50% LEL, 100% LEL
Hydrogen cyanide (HCN)
-
10 (MEL)
25ppm
Hydrogen fluoride (HF)
1.8
3
10ppm
Hydrogen sulphide (H2S)
5
10
25, 50, 100, 200ppm
Nitrogen dioxide (NO2)
1
1
10ppm
Ozone (O3)
-
0.2
1ppm
Oxygen (O2)
-
-
25% vol.
Phosgene (COCl2)
0.02
0.06
1ppm
Phosphine (PH3)
0.1
0.2
2ppm
Sulphur Dioxide (SO2)
1
1
10, 20, 30ppm