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Optris CTex LT Infrared Pyrometer for Hazardous Areas
The Optris CTex LT is an intrinsically safe development of the proven CT LT sensor designed for use in hazardous areas. The sensor possesses all of the features of the CT LT but with the addition of ATEX approval for Zone 1 and 2 hazardous areas.
The sensor has the smallest sensing head available in the world at just 14mm diameter x 28mm long and allows the sensor to be installed in the applications where space is at a premium. The separate electronics enclosure provides a full range of outputs and inputs as standard including Voltage, mA and Thermocouple. It is also possible to incorporate an interface card which provides simple integration into your existing process control equipment. Options include Ethernet, Profibus, RS485 and USB interface and Compact Connect software.
Calibration as well as a full range of accessories are available for the Optris Compact infrared pyrometers.
Learn more about the CTex LT in just 60 seconds.
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| Sensing head as simple electrical device enables installations in hazardous locations without problems |
| Energy limitation with appropriate zener barriers (STAHL) with approval for zone 1 (PTB 01 ATEX 2053/ E II (1/2) GD [EEx ia/ib] IIC/IIB) |
| One of the smallest infrared sensors worldwide with 22:1 optical resolution |
| Rugged and usable up to 180°C ambient temperature without cooling |
| Separate electronics with easy accessible programming keys and LCD backlit display |
| Selectable analog output: 0/4-20 mA, 0-5 V, 0-10 V, thermocouple type K or J |
| Optional USB, RS485, RS232 interface, relay outputs (2 x optically isolated), CAN-Bus, Profi bus DP, Ethernet |
| Installation of up to 32 sensing heads via RS485 |
| CTex: Explosion proof version (ATEX) |
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| Environmental rating: | IP 65 (NEMA-4) |
| Ambient temperature: | Sensing head:-20°C to 180°C (130°C for LT02)Electronics: -20°C to 85°C |
| Storage temperature: | Sensing head:-20°C to 180°C (130°C for LT02)Electronics: -20°C to 85°C |
| Relative humidity: | 10 – 95%, non condensing |
| Vibration: | IEC 68-2-6: 3 G, 11-200 Hz, any axis |
| Shock: | IEC 68-2-27: 50 G, 11 ms, any axis |
| Weight: | sensing head 40g electronics 420g |
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| Temperature range: | -50°C to 975°C (LT22)-50°C to 600°C (LT15)-50°C to 600°C (LT02)(scalable via software) |
| Spectral range: | 8 – 14 μm |
| Optical resolution (90 % energy): |
22:1 (precision glass optics)15:1 (precision glass optics)2:1 (with flat front window) |
| CF-lens (optional): | 0.6 mm @ 10 mm (LT22)0.8 mm @ 10 mm (LT15)2.5 mm @ 23 mm (LT02) |
| System accuracy: | ± 1% or ± 1°C at ambient temperature (1), (2) |
| Repeatability: | ± 0.5% or ± 0.5°C at ambient temperature (1), (2) |
| Temperature resolution (display): | 0.1°C |
| Response time (95%): | 150ms |
| Emissivity/Gain : |
0.100 – 1.100 (adjustable via 0-5 V DC input or software) |
| Transmissivity : |
0.100 – 1.100 (adjustable via software) |
| Signal processing: | peak hold, valley hold, average; extended hold function with threshold and hysteresis |
| Software: | optris Compact Connect |
1) object temperature > 0°C; whichever is greater
2) at ambient temperature 23 ± 5°C
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[learn_more caption=”Electrical Specifications” state=”close”]
| Output/analogue: | channel 1: 0/4 – 20 mA, 0-5/10 V, thermocouple J or Kchannel 2: sensing head temperature (-20°C – 180°C as 0-5 V or 0-10 V), alarm output |
| Output/alarm: | 24 V/50 mA (open collector) |
| Optional Alarm Output: | relay: 2 x 60 V DC/42 V AC; 0.4 A; optically isolated |
| Outputs/digital (optional): | USB, RS232, RS485, CAN-Bus, Profibus DP, Ethernet |
| Output impedances: | mA max. 500 Ω (with 8-36 V DC)mV min. 100 kΩ load impedancethermocouple 20 Ω |
| Inputs | programmable functional inputs for external emissivity adjustment, ambient temperature compensation, trigger (reset of hold functions) |
| Cable length: | 1 m (standard), 3 m, 8 m, 15 m |
| Current draw: | max. 100mA |
| Power Supply: | 8-36 V DC |
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