Technical Details of the optris CTlaser 4M

Measurement Specifications

• Temperature range¹⁾ (scalable via software):’
  0°C … 500°C [32°F to 932°F] (4ML)
• Spectral range: 2.2 – 6 μm
• Optical resolution (90% energy): 30:1 (4ML)
• System accuracy²⁾ (at T_amb= 23 ± 5°C) [73.4± 41°F]: ± (0.3% of reading + 2°C [1.8°F])
• Repeatability (at T_amb = 23 ± 5°C [73.4± 41°F]): ± (0.1% of reading + 1°C [1.8 °F])
• 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 [–4°F … 158°F] (sensing head, 50°C [122°F] with laser ON)
  electronics: -20°C … 70°C [–4°F … 158°F] (electronics)
• Storage temperature:
  sensing head: -40°C … 85°C [–40°F … 185°F] (sensing head)
  electronics: -40°C … 85°C [–40°F … 185°F] (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 (21.2 ft)
  electronics: 420 g (14.8 oz)

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 (9.8 ft [standard], 26.2 ft, 49.2 ft)
• 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 (+ 77 °F)
²⁾ ε = 1, response time 1 s
²⁾ with dynamic adaptation at low signal levels

Infrared software optris Compact Connect included

The temperature analysis software optris Compact Connect has been developed specifically for the extensive documentation and analysis of temperature measurement data of our stationary infrared thermometers. It is license-free and included in every pyrometer shipment.