Optris CX LT Rugged IR Sensor

CX LT sensing head

CX LT sensing head

CX LT with cable

Optris CX LT – Rugged Sensor for Industrial Applications

The CX sensor is ideal for applications which require a robust sensor that can take some abuse. The sensor is easy to use with a simple 2 wire, 4-20mA connection, and easily configurable using the optional USB interface and Compact Connect software.

Calibration as well as a full range of accessories are available for the Optris Compact infrared pyrometers.


Easy two wire installation
Wide measurement range of -30 °C to 900 °C
Optional USB programming interface and software
Wide power range: 5 – 30 V DC
Optical resolution of 22:1
Simultaneous two wire output and digital
Alarm output (0 – 30 V / 500 mA)


Environmental rating: IP 65 (NEMA-4)
Ambient temperature: -20°C to 75°C
Storage temperature: -40°C to 85°C
Relative humidity: 10 – 95%, non condensing
Vibration: IEC 68-2-6: 3 G, 11-200 Hz,
any axis
Shock: IEC 68-2-27: 50 G, 11 ms,
any axis
Weight: 350 g


Temperature range: -30 – 900°C (scalable via software)
Spectral range: 8 – 14 μm
Optical resolution
(90 % energy):
CF-lens (optional): 0.6 mm @ 10 mm
System accuracy: ±1% or ±1,4°C (1)
Repeatability: ±0.5% or ±0.7°C (1)
Temperature resolution: 0.1K
Response time (90%): 150 ms
0.100 – 1.100 (adjustable via 0-10 V DC
input or software)
0.100 – 1.100 (adjustable via software)
Signal processing: peak hold, valley hold, average;
extended hold function with
threshold and hysteresis
Software: optris Compact Connect

1) Whichever is greater

Output/analogue: 4 – 20 mA
Output/alarm: 0-30V/500mA (open collector)
Output/digital: USB (optional)
Loop impedance: max. 1000 1)
Cable length 8m
Power supply: 5-30 V DC

(1) Independent of supply voltage.

CX LT Optical Specifications


CX LT Dimensions


CX LT Accessories


Compact Connect Software