Datasheet

optris
®
CT LT
Precise noncontact temperature measurement
from -50 to 975°C
- 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,0-5V,0-10V,
thermocouple type K or J
- Optional USB, RS485, RS232 interface, relay outputs
(2x optically isolated), CAN-Bus, Profibus DP, Ethernet
- Installation of up to 32 sensing heads
More Precision.
Measurement specifications
-50 - 975°C (22:1)
-50 - 600°C (15:1)
-50 - 600°C (2:1)
Spectral range 8 - 14 µm
22 :1 (precision glass optics)
15 :1 (precision glass optics)
2:1 (with flat front window)
0.6 mm@10 mm (with 22:1)
0.8 mm@10 mm (with 15:1)
2.5 mm@23 mm (with 2:1)
Sy s tem accuracy
(at ambient temperature 23 ±5°C)
±1 % or ±1°C
1,2
Repeatability
(at ambient temperature 23 ±5°C)
±0.5 % or ±0.5°C
1,2
Temperature resolution 0.1° C
Response time 150 ms (95 %)
Emissivity/Gain ( adjustable via
programming keys or software)
0.100 - 1.100
Transmissivity/G ain ( adjustable via
programming keys or software)
0.100 - 1.100
Signal processing (parameter adjustable
via programming k eys or software,
respectively)
peak hold, valley hold,
average; extended hold
function with threshold and
hysteresis
1
whichever is greater
2
at object temperatures > 0° C
Te mperature range (s calable v ia
programming keys or software)
Optical resolution
CF-lens (optional)
Gen eral specifications
Environmental rating IP 6 5 (NEMA-4)
sensing head: -20 - 180°C (130°C with 2:1)
elect ronics: 0 - 85° C
sensing head: -40 - 180°C (130°C with 2:1)
elect ronics: -40 - 85° C
Relative humid ity 10 - 9 5 %, non condensing
Vibration (sensor) IEC 68-2-6: 3 G, 11-200 Hz, any axis
Shock (sensor) IEC 68-2-27: 50 G, 11 ms, any axis
sensing head 40 g
elect ronics 420 g
Electrical specifications
channel1:0/4-20mA,0-5/10V,
thermocouple J, K
channel 2 : sensing head temperature (-20 -
180°C as 0 - 5 V or 0 - 10 V), alarm output
Alarm output Open - collector (24 V/5mA)
Optional
relay: 2 x 60 V DC/42 V AC
eff
; 0.4 A; optically
isolated
Outputs/digital ( optional)
USB, RS232, RS485 (optional), CAN-Bus,
Profibus DP, E thernet
mA max. 5 0 0 (with 8 - 36 V DC)
mV min. 100 k load impedance
thermocouple 20
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, 1 5 m
Current draw max. 1 0 0 mA
Power supply 8 - 36 V DC
Storage temperature
Ambient temperature
Output impedances
Outputs/analog
Weight
W
W
W
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