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High-speed pyrometer optris CT 4M for low-temp, high-speed measurements

The quick exposure time of only 90 μs makes the high speed IR thermometer CT 4M the perfect sensor for measuring fast processes. Due to its short measuring wavelength and a temperature range from 0°C to 500 °C, the pyrometer optris CT 4M, is suitable for measurements of metals, metal oxides, ceramics or materials with unknown or changing emissivity.

The electronics box of the measuring device allows a flexible terminal device through selectable analog outputs as well as various optional digital interfaces.

Important specifications

  • Exposure time: 90 μs
  • Temperature range:
    0°C to 500°C
  • Spectral range: 2.2 µm - 6.0 µm
  • Starting at 650 €

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Measurement specifications

 

  • Temperature range (scalable via programming keys or software):
    0°C ... 500°C (4ML)
  • Spectral range: 2.2 µm - 6.0 µm
  • Optical resolution (90 % energy): 10:1
  • System accuracy1) (at ambient temperature 23 ± 5 °C):
    ± (0.3 % of reading + 2 °C)

  • Repeatability (at ambient temperature 23 ± 5 °C):
    ± (0.1 % of reading + 1 °C)
  • NETD2): 120 mK
  • Temperature coefficient3): ±0.05 K/ K or ±0.03 %/ K
  • Exposure time: 90 μs (90 %)
  • Response time: 300 μs (90 %)
  • 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, peak picker, average; extended hold function with threshold and hysteresis
  • Software/App: optris CompactPlus Connect / IRmobile

 

General specifications

 

  • Environmental rating: IP 65 (NEMA-4)
  • Ambient temperature: 
    sensing head: 0 °C ... 70 °C
    electronics: 0 °C ... 70 °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 40 g
    electronics 420 g

 

Electrical specifications

 

  • Outputs / analog (2x): 0/4 - 20 mA, 0-5/10 V, thermocouple K, alarm
  • Output / alarm: 24 V / 50 mA (open collector)
  • 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)

  • Relay (optional): 2 x 60 V DC/42 V ACeff; 0.4 A; optically isolated
  • Digital interfaces: built-in USB-interface, optional: RS232, RS485, Ethernet
  • Output impedances: 
    mA max. 500 Ω
    mV min. 100 kΩ load impedance
    thermocouple 20 Ω
  • Cable length: 3 m, 8 m, 15 m
  • Power supply: 8-30 V DC / 5 V USB / max. 1.2 W

 

Versions

 

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

  • OPTCT4MLSFCB3:
    0-500°C / 2.2 μm  - 6.0 μm / 10:1 / 70°C / 3 m cable
  • OPTCT4MLCFCB3:
    0-500°C / 2.2 μm  - 6.0 μm / 10:1 CF lens / 70°C / 3 m cable

1) ε = 1, response time 1 s
2) At time constant 1 ms and TObj = 50 °C
3) For ambient temperatures >10 °C, whichever is greater

Product configurator

Areas of application for the optris CT 4M

The ultra-fast optris CT 4M features a response time of only 300 µs and is thus ideally suited for fast high-volume production and packaging processes (eg. PET preform temperature monitoring) and high-speed traffic safety applications like hot axle box detection on railways. Its wavelength of 2.2 µm to 6.0 µm allow for low-temperature measurements of metas, metal oxides, ceramics and materials with unknown or changing emissvity.

Product configurator

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.

Product configurator