optris ® CT is a precise non-contact temperature measurement device that can measure temperatures from -40 to 900°C. It is one of the smallest infrared sensors in the world with 20:1 optical resolution, rugged and usable up to 180°C ambient temperature without cooling, separate electronics with easy accessible programming keys and LCD backlit display, optional analog output: 0/4-20 mA, 0-10 V, K or J type thermocouple, optional USB, RS485, RS232 interface or two optically isolated relay outputs, installation of up to 32 sensing heads.
The Optris CT is a compact infrared sensor offering a temperature measurement range of –40 °C to 900 °C and a rugged construction that operates up to 180 °C ambient temperature. It features 20:1 optical resolution, optional analog outputs (0‑4‑20 mA, 0‑10 V), thermocouple interfaces, USB/RS485/RS232 communication, and up to 32 sensing heads in one network.
Key specifications include a spectral range of 8‑14 µm, IP65 (NEMA‑4) environmental rating, 150 ms response time, ±0.5 %/±0.5 °C accuracy, and a power supply of 8‑36 V DC. The sensor can be configured via programming keys or software, with adjustable emissivity and ambient temperature compensation.
| Temperature measurement range | -40 °C to 900 °C |
|---|---|
| Maximum ambient temperature | 180 °C |
| Optical resolution | 20:1 (precision glass optics) |
| Spectral range | 8‑14 µm |
| IP rating | IP65 (NEMA‑4) |
| Analog output options | 0‑4‑20 mA, 0‑10 V |
| Digital interfaces | USB, RS485, RS232, relay outputs |
| Power supply | 8‑36 V DC |
| Response time | 150 ms (95 %) |
| Accuracy | ±0.5 % or ±0.5 °C |
It can measure temperatures from –40 °C up to 900 °C.
The sensor offers optional analog outputs (0‑4‑20 mA, 0‑10 V), thermocouple K or J, USB, RS485, RS232, and two optically isolated relay outputs.
The sensor has a response time of 150 ms (95 % of the step).
It has an IP65 (NEMA‑4) rating, suitable for harsh environments.