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Optris CSlaser 2M Infrared Pyrometer

The CSlaser series of sensors are the lowest cost in our range of infrared pyrometers with the innovative dual laser aiming system which gives the user both the position of the measurement and also its size as the lasers are factory configured to match the optics of the sensor. The sensor and electronics are housed in one convenient housing and connected to your instrumentation by standard cable. Emissivity is adjusted easily via two switches in the back of sensor accessed by four screws.
The CSlaser 2M model is an ideal sensor for the temperature measurement of metals and ceramic materials at high temperatures where extremely precise aiming is required. A selection of optics allow measuring spot sizes to be as small as 0.5mm with the CF2 selection or alternatively the SF optics with an optical resolution of up to 300:1 give small spot sizes even at large distances. The sensor has a wide measuring range of 250 to +1600°C and an industry standard 4-20mA output. It is also easy to connect our innovative USB interface which allows simple configuration and on screen measurement with the included Compact Connect Windows software.

Take a look at what makes the CSlaser LT such a great infrared pyrometer.

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


Accurate temperature measurements of metals, secondary metal processing and ceramic materials
Temperature ranges from 250°C to 1600°C, measuring spots up from 0,5 mm and response times up from 10 ms
Standard two-wire interface for reliable data transfer and easy integration into a PLC
Innovative double-laser sighting for exact marking of measurement targets
Fast sensor parameter configuration and real-time measurement via USB
Dependable performance in ambient temperatures up to 85°C without additional cooling
Wide power range: 5-28 V DC

General Specifications

Environmental rating: IP 65 (NEMA-4) front mountable in vacuum processes (up to 10-3 mbar)
Ambient temperature: -20°C to 85°C (50°C with laser ON)
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: 600g

Measurement Specifications

Temperature range: 250°C to 800°C (2ML) 385°C to 1600°C (2MH) (scaleable via software)
Spectral range: 1.6 μm
Optical resolution (90 % energy): 150:1 (2ML) 300:1 (2MH)
System accuracy: ± 1% or ± 1°C at ambient temperature (1)
Repeatability: ± 0.3% or ± 0.3°C (1)
Temperature resolution: 0.1K
Response time (95%): 10ms
Emissivity/Gain : 0.100 – 1.100 (adjustable via 0-5 V DC input or software)
Transmissivity : 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

Electrical Specifications

Output/analogue: 4-20 mA
Loop resistance: max. 1000 Ω (1)
Output / alarm: 0 – 30 V / 500 mA (open-collector)
Output/ digital: uni-/ bidirectional, 9,6 kBaud, 0/3 V Level, USB optional
Cable length: 3 m / 8 m / 15 m (connector version only)
Current draw (laser): 45 mA at 5 V 20 mA at 12 V 12 mA at 24 V
Power supply: 5 – 28 V DC

1) Independent of supply voltage

Information Video

Optical Specifications