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CT 1M 2M

Product catalog summary

Overview: The optris® CT 1M/2M is a miniaturized infrared thermometer designed for precise non-contact temperature measurement ranging from 250 °C to 2200 °C. It is suitable for measuring metals, secondary metal processing, metal oxides, and ceramic materials.

Key Features:

Miniaturized sensing head with a diameter of 14 mm and length of 28 mm, operable up to 125 °C without cooling.
Temperature measurement ranges from 250 °C to 2200 °C with measuring spots starting from 1.8 mm and exposure times from 1 ms.
Short measuring wavelengths of 1.0 μm and 1.6 μm to reduce errors on surfaces with low or unknown emissivity.

Measurement Specifications:

Temperature ranges are scalable via programming keys or software, with specific ranges for different models (e.g., 485 °C to 1050 °C for 1ML).
Spectral ranges are 1.0 μm for 1M and 1.6 μm for 2M models.
Optical resolution varies with models, with CT 1ML/2ML having a 40:1 ratio and CT 1MH/1MH1/2MH/2MH1 having a 75:1 ratio.
System accuracy is ±(0.3% of reading +2 °C) and repeatability is ±(0.1% of reading +1 °C).
Temperature resolution is 0.1 K with an exposure time of 1 ms.
Emissivity and transmissivity are adjustable from 0.100 to 1.100.
Signal processing includes peak hold, valley hold, average, and extended hold functions.

General Specifications:

Environmental rating of IP 65 (NEMA-4).
Ambient temperature range for the sensing head is –20 °C to 125 °C, and for electronics, it is 0 °C to 85 °C.
Storage temperature for the sensing head is –40 °C to 125 °C, and for electronics, it is –40 °C to 85 °C.
Relative humidity tolerance is 10 – 95%, non-condensing.
Vibration and shock resistance are specified according to IEC standards.

Electrical Specifications:

Analog outputs include 0/4 – 20 mA, 0 – 5/10 V, thermocouple J, K, and alarm output.
Digital outputs include USB, RS232, RS485, CAN, Profibus DP, and optional Ethernet.
Power supply requirement is 8 – 36 V DC with a maximum current draw of 100 mA.

Optical Specifications:

Various lens options and accessories are available, including CF-lens and air purge collar with integrated CF-lens.

Catalog excerpts

optris® CT 1M/2M TECHNICAL DATA Precise non-contact temperature measurement from 250 °C to 2200 °C Features: • Miniaturized Infrared Thermometer with 1.0 μm respectively 1.6 μm wave length range for measurements of metals, of secondary metal processing, metal oxides and ceramic materials • Very small sensing head of 14 mm diameter and 28 mm length fits everywhere and is usable up to 125 °C ambient temperature without cooling • emperature ranges from 250 °C to 2200 °C, measuring spots up from 1.8 mm T and exposure times up from 1 ms • Short measuring wave length of 1.0 μm respectively 1.6 μm reduces error of temperature readings on surfaces with low or unknown emissivity Measurement Specifications Temperature ranges (scalable via programming keys or software) Spectral ranges Optical resolution CT 1ML / 2ML (90 % energy) Optical resolution CT 1MH / 1MH1 / 2MH / 2MH1 (90 % energy) System accuracy1) (at ambient temp. 23 ±5 °C) Repeatability (at ambient temp. 23 ± 5 °C) Temperature resolution General Specifications Environmental rating Ambient temperature –20 °C ... 100 °C (1M) to 125 °C (2M) (sensing head) 0 °C ... 85 °C (electronics) Storage temperature Sensing head: – 40 °C ... 100 °C (1M) to 125 °C (2M) Electronics: – 40 °C ... 85 °C Relative humidity Vibration (sensor) Shock (sensor) Sensing head: 40 g / Electronics: 420 g Electrical Specifications Outputs / analog 0 / 4 – 20 mA, 0 – 5 / 10 V, thermocouple J, K, alarm output Relay: 2 x 60 V DC/ 42 V ACeff; 0.4 A; optically isolated USB, RS232, RS485, CAN, Profibus DP, Ethernet (optional) Output impedances mA max. 500 Ω (with 8 – 36 V DC) mV min. 100 kΩ load impedance thermocouple 20 Ω Programmable functional inputs for external emissivity adjustment, ambient temperature compensation, trigger (reset of hold functions) Cable length Emissivity / Gain (adjustable via programming keys or software) Transmissivity / Gain (adjustable via programming keys or software) Signal processing (parameter adjustable via programming keys or software, respectively) Peak hold, valley hold, average; extended hold function with threshold and hysteresis optris® Compact Connect ε = 1, Exposure time 1 s With dynamic adaptation at low signal levels Current draw Power Supply

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Dimensions Electronics Accessories (examples) CF-lens (ACCTCFHT) Air purge collar with integrated CF-lens (ACCTAPLCFHT) Mounting bracket, fixed (ACCTFB) Specifications are subject to change without notice · CT 1M/2M-EN

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