Technical Details of the optris CT P3

Measurement specifications

• Temperature range (scalable via programming keys or software): 50 °C … 400 °C
• Spectral range: 3.43 µm
• Optical resolution (90% energy): 15:1
• System accuracy¹⁾ (at ambient temperature 23 ± 5°C):
  ±3 °C or ±1 %²⁾
  
• Repeatability (at ambient temperature 23 ± 5°C): 1.5°C
  
• Temperature resolution (NETD): 0.1 K
• Exposure time (90% signal): 100 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: 0 °C … 75 °C
  electronics: 0 °C … 75 °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 AC_eff; 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
• Power supply: 8-36 V DC
• Current draw: max. 100 mA

Versions

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

• OPTCTP315: 50-400 °C / 3.43 μm / 15:1 / 75°C / 3 m cable

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

Areas of application for the pyrometer optris CT P3

With a measuring wavelength of 3.43 µm, the infrared thermometer optris CT P3 is ideally suited for temperature control during the production of very thin plastic film. Among those are materials like polyethylene (PE), polypropylene (PP) and polystyrene (PS).

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.