More Precision.
optris® CT LT
FEATURES
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 - 5 V,
0 - 10 V, 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
General specifications
Environmental rating
Ambient temperature
Measurement specifications
IP 65 (NEMA-4)
sensing head: -20 - 180°C (130°C at LT02)
-50 - 975°C (LT22)
Temperature range (scalable via
programming keys or software)
-50 - 600°C (LT15)
electronics: 0 - 85°C
Storage temperature
sensing head: -40 - 180°C (130°C at LT02)
-50 - 600°C (LT02)
Spectral range
8 - 14 µm
electronics: -40 - 85°C
22:1 (precision glass optics)
Optical resolution (90% energy)
Relative humidity
10 - 95%, non condensing
Vibration (sensor)
IEC 68-2-6: 3 G, 11 - 200 Hz, any axis
2:1 (with flat front window)
Shock (sensor)
IEC 68-2-27: 50 G, 11 ms, any axis
0.6 mm @ 10 mm (LT22)
Weight
sensing head 40 g
15:1 (precision glass optics)
CF-lens (optional)
0.8 mm @ 10 mm (LT15)
2.5 mm @ 23 mm (LT02)
electronics 420 g
Electrical specifications
Outputs/analog
Alarm output
Optional
channel 1: 0/4 - 20 mA, 0 - 5/10 V,
thermocouple J, K
channel 2: sensing head temperature (-20 180°C as 0 - 5 V or 0 - 10 V), alarm output
System accuracy
(at ambient temperature 23 ±5°C)
±1% or ±1°C1),2)
Repeatability
(at ambient temperature 23 ±5°C)
±0.5% or ±0.5°C1),2)
Temperature resolution (display)
0.1°C
0.05 K (LT22 / LT15)
Open - collector (24 V / 50 mA)
relay: 2 x 60 V DC/42 V ACeff ; 0.4 A; optically
isolated
USB, RS232, RS485 (optional), CAN-Bus,
Profibus DP, Ethernet
NETD2),3)
0.1 K (LT02)
Response time
150 ms (95%)
Emissivity/Gain (adjustable via
programming keys or software)
0.100 - 1.100
thermocouple 20 W
Transmissivity/Gain (adjustable via
programming keys or software) e
0.100 - 1.100
Inputs
programmable functional inputs for external
emissivity adjustment, ambient temperature
compensation, trigger (reset of hold functions)
Signal processing (parameter adjustable
via programming keys or software,
respectively)
peak hold, valley hold,
average; extended hold
function with threshold and
hysteresis
Cable length
1 m (standard), 3 m, 8 m, 15 m
Current draw
max. 100 mA
Power supply
8 - 36 V DC
Outputs/digital (optional)
mA max. 500 W
(with 8 - 36 V DC)
Output impedances
mV min. 100 kW
load impedance
1)
2)
3)
whichever is greater
at object temperatures > 0°C,
=1
at time constant 200 ms and TObj 25°C
optris® CT
Optical specifications
22:1 optics
22:1 optics with CF-lens
15:1 optics
15:1 optics with CF-lens
2:1 optics
2:1 optics with CF-lens
Dimensions
Sensing head
Electronics
Compact Connect Software
- Software for easy sensor setup and remote controlling, supports multi tasking
- Graphic display for temperature trends and automatic data logging for analysis
and documentation with 1 ms response time
- Adjustment of signal processing functions and programming of outputs and
functional inputs of the sensor
- Automatic emissivity adjustment
- The software CompactConnect allows to customize the sensor to application
needs of the user
Optris GmbH
Ferdinand-Buisson-Str. 14
13127 Berlin
Development and sales of portable and stationary infrared measuring instruments.
Tel.: +49 (0) 30 500 197-0
Fax: +49 (0) 30 500 197-10
info@optris.de
www.optris.de
Specifications are subject to change without notice.
CT-DS-E2010-10-A