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Pyrometer optris CT 4ML for precise and ultra-fast non-contact
temperature measurement of metal
Due to its short measuring wavelength and a temperature range from 0°C to 500 °C, the pyrometer optris CT 4ML, is ideally suited for measurement of metals, metal oxides, ceramics or materials with unknown or changing emissivity. The quick response time of only 300 μs allows for a problem-free use of the metal thermometer in fast processes.
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
- Temperature range:
0°C to 500°C - Spectral range: 2.2 µm - 6.0 µm
- Response time: 300 μs
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 time3): 90 μs
- 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
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 / -64
- Shock: IEC 60068-2-27 (25 G and 50 G)
- Weight:
sensing head 40 g
electronics 420 g
Electrical Specifications
- Output / analog: 0/4 - 20 mA, 0-5/10 V, thermocouple 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): built-in USB-interface, RS232, RS485, Ethernet
- Output impedances:
mA max. 500 Ω
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, 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
- OPTCT4ML: 0-500°C / 2.2 μm - 6.0 μm / 10:1 / 85°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 >15 °C, whichever is greater
Areas of application for the pyrometer optris CT 4ML
The IR thermometer optris CT 4ML has a measuring wavelength of 2.2 µm to 6.0 µm and is thus employed in temperature measurements of metallic surfaces and composite materials in processing. Especially its low temperature range from 0°C to 500 °C makes the temperature sensor a popular measuring device for every kind of low-temperature measurement of metals.
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.
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