Optris CTratio 1M, CTratio 2M Specifications
optris CTratio 1M
TECHNICAL DATA
Rugged ber-optic ratio thermometer for
non-contact temperature measurement
from 450 °C to 3000 °C (842 °F to 5432 °F)
Features:
• Adjustable focus from 300 mm (11.81 in) to innity
with excellent optical resolution up to 100:1
• Laser sighting for real spot size indication at any dis-
tance green laser for best visibility on glowing objects
• Rugged sensing head and ber-optic for ambient
temperatures up to 315 °C (599 °F) without cooling
• Two 0/4-20 mA analog outputs (isolated optional)
• Fast measurement with 1 ms response time
General specications
Environmental rating IP 65 (NEMA-4)
Ambient temperature
sensing head + fiber cable
electronics
Storage temperature
sensing head + fiber cable
electronics
Relative humidity 10 – 95 %, non-condensing
Vibration (sensor) IEC 60068-2-6 (sinus shaped), IEC 60068-2-64
Shock (sensor) IEC 60068-2-27 (25G and 50G)
Weight 210 g (7.4 oz) (fiber cable (3 m [9.8 ft]) with head)
–20 ... 200 °C (-4 ... 392 °F) (optional to 315 °C [599 °F])
0 ... 60 °C (32 ... 140 °F)
– 40 ... 200 °C (-40 ... 392 °F)
– 40 ... 85 °C (-40 ... 185 °F)
(broad band noise)
420 g (14.8 oz) (electronics)
Electrical specications
Outputs analog
Output impedances max. 500 Ω (with 8 – 30 V DC)
Relay Output (optional) 2 x 60 V DC/ 42 V AC
Digital Interface USB (Micro-USB, USB-C and USB-A cable included)
Digital Interfaces (optional) RS232, RS485
I/O-Pins Three programmable in-/outputs; selectable as alarm
Fiber cable length 3 m (standard), 8 m, 15 m
Power supply 8 – 30 V DC or USB powered
Power consumption Max. 5 W
Aiming laser Laser 520 nm, <1 mW, ON/OFF via electronic box or
2x 0/4-20 mA (12 bit) / optional: 2x 0/4-20 mA (16 bit) isolated
; 0.4 A; optically isolated
eff
output (open collector 24 V/1 A), input for triggered signal
output and peakhold function or as analog input for external emissivity or slope adjustment
(9.8 ft [standard], 19.7 ft, 32.8 ft)
1)
software / App
Measurement specications
Temperature range 1-Channel 2-Channel
450 ... 1400 °C
(842 ... 2552 °F)
650 ... 2000 °C
(1202 ... 3632 °F)
900 ... 3000 °C
(1652 ... 5432 °F)
Spectral range 0.8 – 1.1 μm
Optical resolution
(90 % energy)
Vario focus 300 mm (11.81 in) to infinity, infinitely adjustable
System accuracy
(at ambient temp. 23 ±5 °C)
Repeatability
(at ambient temp. 23 ±5 °C)
Temperature resolution 0.1 K
Response time (90 % signal)
Slope
(adjustable via programming
keys or analog input)
Emissivity
(adjustable via programming
keys or analog input)
Signal processing
(parameter adjustable via
programming keys or
software / App, respectively)
Software / App optris Ratio Connect / IRmobile App
1)
USB powered unit works only in digital communication mode
2)
ε = 1, response time 1 s; no attenuation
3)
With dynamic adaptation to low signal levels
2)
2)
38:1 (1ML)
100:1 (1MH / 1MH1)
±
(0.5 % of reading +2 °C)
±
0.3 % of reading
3)
1 ms – 10 s
0.800 – 1.200
0.050 – 1.000
1 color / 2 color mode; attenuation monitoring /
alarms; peak hold, valley hold, average;
extended hold function with threshold and
hysteresis
525 ... 1400 °C
(977... 2552 °F)
700 ... 2000 °C
(1292 ... 3632 °F)
1000 ... 3000 °C
(1832 ... 5432 °F)
(1ML)
(1MH)
(1MH1)
Optris Infrared Sensing, LLC · 200 International Drive, Suite 170 · Portsmouth · NH 03801 USA
Phone.: 603-766-6060 · E-mail: sales@optris-ir.com · www.optris.com
optris CTratio 1M
TECHNICAL DATA
Software / App
The built-in USB
interface allows an easy
programming via
IRmobile Android app.
Windows-software: optris Ratio Connect
Dimensions
Sensing head
Dimensions in mm (in)
Electronics
Dimensions in mm (in)
(3.75)
(3.50)
(0.16)
(0.18)
(0.16)
(1.44)
(1.13)
(0.77)
(2.76)
(1.85)
(0.91)
(0.16)
(0.16)
(0.18)
(3.62)
(0.37)
(0.94)
(0.19)
Specications are subject to change without notice · CTratio 1M-DS-US2020-01-A
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