Our website uses cookies for statistical evaluation and improvement of our service.
Data Protection
You are here: Optris GLOBALProductsInfrared thermometersCompact SeriesCT P7 for plastics


Product Program

  • Overview
  • Technical details
  • Applications
  • Datasheets & manuals
  • Software

Pyrometer optris CT P7 for measurement of foils

Due to its special spectral region of 7.9 µm, the innovative pyrometer optris CT P7 is perfectly suited for temperature measurements of thin plastic materials like PET, PU, PTFE, PA or CTA.

It measures temperatures precisely from 0°C up to 710°C and its measuring head offers a temperature resistance of up to 85°C without additional cooling. The separate electronics box of the foil thermometer is acclaimed for its easily accessible programming buttons and its illuminated LCD display.

Important specifications

  • Temperature range:
    0 °C to 710 °C
  • Spectral range: 7.9 µm
  • Response time: 150 ms
  • Starting at 605 €

Product configurator

Technical Details of the optris CT P7


Measurement Specifications


  • Temperature range (scalable via programming keys or software): 0°C ... 710°C
  • Spectral range: 7.9 µm
  • Optical resolution (90% energy): 10:1
  • System accuracy1) (at ambient temperature 23 ± 5°C): ±1% or ±1.5°C2)
  • Repeatability (at ambient temperature 23 ± 5°C): ± 0.5% or ± 0.5°C2)
  • Temperature resolution (NETD): 0.5 K
  • Exposure time (90% signal): 150 ms
  • 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 ... 85°C
    electronics: 0°C ... 85°C
  • Storage temperature: 
    sensing head: -40°C ... 85°C
    electronics: -40°C ... 85°C
  • 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 with massive housing 200 g
    electronics 420 g


Electrical Specifications


  • Output / analog: 0/4 - 20 mA, 0 - 5/10 V, thermocouple J, K, alarm
  • Output / alarm: 24 V / 50 mA (open collector)
  • Optional: relay: 2 x 60 V DC/42 V ACeff; 0.4 A; optically isolated
  • Output / digital (optional): USB, RS232, RS485, Modbus RTU, Profibus DP, Ethernet
  • Output impedances: 
    mA max. 500 Ω (with 8-36 V DC)
    mV min. 100 kΩ load impedance
    thermocouple 20 Ω
  • Inputs: programmable functional input for external emissivity setting /ambient temperature compensation, trigger (reset of hold functions)
  • Cable length: 3 m (standard), 8 m, 15 m
  • Power supply: 8-36 V DC
  • Current draw: max. 100 mA




Part number: temperature range / spectral range / optics / max. ambient temperature / cable length

  • OPTCTP710: 0-710°C / 7.9 μm / 10:1 / 85°C / 3 m cable

1) at object temperatures ≥ 25°C
2) whichever is greater

Product configurator

Areas of application for the pyrometer optris CT P7

With a measuring wavelength of 7.9 µm the infrared thermometer optris CT P7 is ideally suited for temperature control during the production of thin plastic foils. Among those are materials like polyurethane (PU), polyether sulfone (PES), polyethylene terephthalate (PET), teflon (PTFE) or cellulose triacetate (CTA).

Product configurator

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.    

Product configurator