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

Applications: 

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.

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 (sensor): IEC 60068-2-6 / -64
• Shock (sensor): IEC 60068-2-27 (25 G and 50 G)
• 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 AC_eff; 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

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

Versions

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

• OPT-CT-4M-LSFCB3:
  0-500°C / 2.2 μm  - 6.0 μm / 10:1 / 70°C / 3 m cable
• OPT-CT-4M-LCFCB3:
  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 T_Obj = 50 °C
³⁾ For ambient temperatures >10 °C, whichever is greater

For more information please click here

Datasheet CT 4M

Manual optris CT

Industrial accessories

Additional downloads (manuals and STEP files) for the pyrometers of the compact series