Infrared Temperature Sensors – Raytek Thermalert TX Series


  • Simple, two-wire installation
  • Simultaneous 4-20 mA and digital output for smart TX sensors
  • Windows software for remote configuration and monitoring
  • Wide choice of focus distances
  • Advanced signal processing

The Thermalert TX infrared temperature sensors are available in two configurations:
1. TX Basic Infrared Sensor offers outstanding performance when used in single-unit installations.
2. TX Smart Infrared Sensor, which has remote addressability, can be easily installed in multidrop configurations including special ones for monitoring glass and plastics processes. TX Series Smart Sensors communicate over a simple loop-powered 2-wire cable using the HART (Highway Addressable Remote Transducer) protocol. This signal combines industry-standard 4-20 mA output with simultaneous digital communications.

It includes Raytek DataTemp Multidrop software to enable easy and consistent installation, configuration and data capture across the following applications:

  • steel and metals processing (foundry/forging operations & heat treating)
  • glass bending, forming, tempering, annealing, and sealing
  • paper processing (ink drying/curing & lamination)
  • plastics processing and thermoforming; and semiconductor processing


Environmental Rating IP65 (IEC529)
Ambient Temperature
without cooling 0 to 70°C
with air cooling up to 120°C
with water cooling up to 175°C
with ThermoJacket up to 315°C
Storage Temperature -18 to 85°C
Relative Humidity 10 to 95%, non-condensing
Shock IEC 68-2-27, 50 G, 11 ms, any axis
Vibration IEC 68-2-27, 3 G, any axis, 11 – 200 Hz
Dimension 187 mm L x 42 mm Ø
with cooling jacket 187 mm L x 60 mm Ø
Weight 330 g
with cooling jacket 595 g
Analog 4-20 mA, max. loop resistance 700Ω
Digital (Smart models) HART to RS232 (with optional adapter)
Alarm (Smart models) 24 V / 150 mA; adjustable setpoints,
deadband, normally open/closed settings
Power Supply 12 – 24 VDC ±20% (Standard models)
24 VDC ±10% (Smart models)


Raytek Thermalert TX Series Infrared Temperature Sensors-DpstarGroup


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