IR thermometer optris CTlaser 4M for measurement of metals with low temperatures

The infrared thermometer optris CTlaser 4M with its wavelengths range of 2.2 – 6 μm is perfectly suited for measurements of metals, metal oxides, ceramics or materials with unknown or changing emissivity. It offers a temperature range between 0°C and 500°C and can be employed in up to 85°C without additional cooling.

Due to its ultra-fast exposure time of 90 μs, the highly efficient IR thermometer allows the surveillance of high speed processes and is the ideal pyrometer for low temperature applications. Selectable outputs and various digital interfaces offer a high variability for the evaluation of the measured data.

Important specifications

• Temperature range:
  0°C to 500°C
• Spectral range: 2.2 – 6 μm
  
• Response time: 300 µs
  
• Starting at 950 €
  

Technical Details of the optris CTlaser 4M

Measurement Specifications

• Temperature range¹⁾ (scalable via software):'
  0°C ... 500°C (4ML)

   

• Spectral range: 2.2 – 6 μm
  
• Optical resolution (90% energy):

  30:1 (4ML)

• System accuracy²⁾ (at T_amb= 23 ± 5°C): ± (0.3% of reading + 2°C)
• Repeatability (at T_amb = 23 ± 5°C): ± (0.1% of reading + 1°C)
• NETD: 120 mK
• Exposure time (90% signal)³⁾: 90 μs
  
• Emissivity / Gain (adjustable via programming keys or software): 0.100 - 1.100
• Transmissivity / Gain (adjustable via programming keys or software): 0.100 - 1.100
• Signal processing (parameter adjustable via programming keys or software, respectively): 
  peak hold, valley hold, average, extended hold function with threshold and hysteresis
  

General Specifications

• Environmental rating: IP 65 (NEMA-4)
• Ambient temperature: 
  sensing head: -20°C ... 70°C (sensing head, 50°C with laser ON)
  electronics: -20°C ... 70°C (electronics)
• Storage temperature:
  sensing head: -40°C ... 85°C (sensing head)
  electronics: -40°C ... 85°C (electronics)
  
• Relative humidity: 10 - 95%, non condensing
• Vibration: IEC 60068-2-6 (sinus shaped), IEC 60068-2-64 (broadband noise)
• Shock: IEC 60068-2-27 (25G and 50G)
• Weight:
  sensing head: 600 g
  electronics: 420 g

Electrical Specifications

• Outputs / analog: 0/4 - 20 mA, 0-5/10 V, thermocouple K, alarm
  
• Output / alarm: 24 V / 50 mA (open collector)
• Relay (optional): 2 x 60 V DC/42 V AC_eff; 0.4 A; optically isolated
• Outputs/ digital (optional):
  built-in USB-interface
  Optional: RS232, RS485, Ethernet
• Output impedances:
  

  mA max. 500 Ω (with 5 - 36 V DC)
  mV min. 100 kΩ load impedance
  thermocouple 20 Ω

• I/O Pins (3x): flexible programming as in- or output: external emissivity adjustment, ambient temperature
  compensation, uncommitted value, trigger (reset of hold functions), alarm output (open collector 24 V/50 mA)
• Cable length: 3 m (standard), 8 m, 15 m
• Power supply: 8-36 V DC
• Current draw: max. 160 mA
  
• Laser 635 nm: 1mW, ON/OFF via electronic box or software

Versions

Part number: temperature range / spectral range / optics / response time

• OPTCTL4ML: 0-500°C / 2.2 – 6 μm / 30:1 / 90 μs
  

¹⁾ T_object > T_{sensing head} + 25°C
²⁾ ε = 1, response time 1 s
²⁾ with dynamic adaptation at low signal levels

Areas of application for the infrared thermometer optris CTlaser 4M

The IR thermometer optris CTlaser 4M is the ideal pyrometer to measure low temperature and high speed applications.
Temperature controls during welding, soldering, and forging-die forming processes do not pose a problem.

The spectral range of 2.2 - 6 µm makes it suitable for measurements of metals, metal oxides, ceramics or materials with unknown or changing emissivity.

Additional downloads (manuals and STEP files) for the infrared thermometers of the high performance series

Infrared software optris CompactPlus Connect included

The temperature analysis software optris CompactPlus Connect has been developed specifically for the extensive documentation and analysis of temperature data of our stationary infrared thermometers. It is license-free and can be downloaded here.