
OSAO-Series
Adjustable Output, Ultra Fast
Response, Fixed IR Sensors with
built-in display
Features
•
OSAO-Series offer high measurement
temperatures up to 1800 °C
•
OSAO-Series has many field of view options,
2:1,15:1, 20:1, 40:1 and 80:1
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Features a built-in LCD display with keypad for
hassle-free adjustments
•
User selectable options for analog outputs and
USB 2.0 digital output included
•
AO50H Models offer higher ambient temperature
ratings for the sensing head up to 180 °C
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Includes laser targeting sight for easier
installations (AO250 Models)
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Check out the included software to maximize the
capabilities of the OSAO-Series
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Standard cable length is 3 meters, consult sales
for non-standard lengths up to 20 meters
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Optional water-cooling jacket, air purge sensor
head, adjustable mount, and more!
Scope of Delivery
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OSAO-Series Sensor with LCD Display
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Extended Sensor head with 3 meter cable
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Laser Targeting Light (AO250 Model)
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Calibration certificate & Software
* All Dimensions are in “mm”
AO50/50H Models
AO250 Model
1

Technical Specifications
Model OS-AO50-* OS-AO50H-* OS-AO250-*
Temperature Range 0°C….800°C
0°C….800°C
250°C….1000°C
300°C….1300°C
Spectral Response
Photodetector Type
Field of View (FOV)
Emissivity (ε)
Response Time
Accuracy
8…14 µm 8…14 µm 1.6 µm
Thermopile Thermopile InGaAs
2:1 or 15:1 2:1 or 15:1 20 : 1, 40 : 1, or 80 : 1
0.1….1.2 adjustable 0.1….1.2 adjustable 0.1….1.0 adjustable
20 msec adjustable up to
10 sec
± 1% of the measured value
or 3°C whichever value
is greater (The sensor head
must be at constant
ambient temperature for a
minimum of 15 minutes)
Repeatability
Temperature
Coefficient2
Sighting Option
Analog Output
Digital Output
Operating Temp.
Range
Storage Temp. Range
Relay Output
0.3% of reading + 1°C
± 0.06 °C/°C (0.06 °F/°F)
or ± 0.06%
(whichever is greater)
None None Laser Pilot Light (PL)
0-20mA, 4-20mA, 0-10V,
Thermocouple Type “K” or
“J” (User selectable)
USB 2.0
RS-232/RS-485 interface card
(Optional)
*At a time only one digital
output possible
Electronic Box up to 70°C
Sensor head up to 120°C
-20°C…70°C -20°C…70°C -20°C….70°C
Relay Output with
hysteresis 60V DC/42V AC
60 msec adjustable up
to 10 sec
±1.5% of the measured
value or 2°C whichever is
greater (The sensor head
must be at constant
ambient temperature for
a minimum of 15
minutes)
0.3% of reading + 1°C
± 0.06 °C/°C (0.06 °F/°F)
or ± 0.06 %
(whichever is greater)
0-20mA, 4-20mA, 0-10V,
Thermocouple Type “K” or
“J” (User selectable)
USB 2.0
RS-232/RS-485 interface
card (Optional)
*At a time only one digital
output possible
Electronic Box up to 70°C
Sensor head up to 180°C
Relay Output with
hysteresis 60V DC/42V AC
350°C….1800°C
(dependent of FOV)
2 msec adjustable up
to 10 sec
Below 1500°C:
±0.3% of rdg +1°C
Above 1500°C:
±0.4% of rdg +1°C
0.1% of reading +1°C
± 0.055°C/°C (0.055°F/°F)
or ± 0.055 %
(whichever is greater)
0-20mA, 4-20mA,
0-10V (User Selectable)
USB 2.0 output
RS - 232 / RS - 485
interface card (Optional)
*at a time only one digital
output possible
Electronic Box and
Sensor Head up to
70°C
Relay output with
hysteresis 60V DC / 42V
AC RMS, 0.4A
Adjustable Parameters
and Features via
Software
Emissivity, Response Time,
Clear Time (Peak Picker),
Analog Output, Sub Range,
Unit of Temperature (°C/°F),
Communication mode
(Comm.mode), Record Feature
etc.
Emissivity, Response Time,
Clear Time (Peak Picker),
Analog Output, Sub Range,
Unit of Temperature (°C/°F),
Communication mode
(Comm.mode), Record
Feature etc.
Emissivity, Response
Time, Clear Time(Peak
Picker), Analog Output,
Analog Scale (sub
range), Unit of
Temperature(°C/°F),
Communication mode
(Comm.mode), Record
Feature ect.
2

address, Response Time, Clear
are galvanically isolated
* Not applicable for USB 2.0
* Not applicable for USB 2.0
Adjustable Parameters
and Features via
Keypad
Emissivity, Setpoint,
Hysteresis (Hyst), Analog Sub
Range, Analog Output,
Unit of temperature, Sensor
address, Response Time, Clear
Time (Peak Picker) etc.
Emissivity, Setpoint,
Hysteresis (Hyst), Analog Sub
Range, Analog Output,
Unit of temperature, Sensor
Time (Peak Picker) etc.
Emissivity, Set Point,
Hysteresis (Hyst),
Analog Sub Range,
Analog Output, Unit of
temperature, Sensor
address, Response
Time, Clear Time (Peak
Picker) etc.
Power Supply
12V to 28V DC with reverse 12V to 28V DC with reverse 24V DC
Power Consumption
Laser Power
Protection Class
Housing
Isolation
Operating Humidity
Weight & Dimensions
Max 2.5 watt Max 2.5 watt Max 2.5 watt
Not applicable Not applicable <1 m watt
IP65 IP65 IP65
Sensor head-Stainless Steel; Sensor head-Stainless Sensor head:
Power supply, *Digital output Power supply, *Digital Power supply, * Digital
10-95%, Non-Condensing 10-95%, Non-Condensing 10-95%, Non-Condensing
600g 600g 600g
1: At ambient temperature 23 ± 5°C, =1 and response time = 600msec.
2: For ambient temperature (sensor head) <18°C and >28°C
Optical Specifications:
Please refer to operation manual
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Accessories
OS-AO250-WCJ-AP
Water Cooling Jacket
w/ Air Purge for AO250
Models
OSAO-PS
Power Supply for
OSAO-Series IR
Sensors
OS-AO250-AP
Air Purge Unit for
AO250 Models
OS-AO250-MT
Adjustable Mount for
AO250 Models
OS-AO50-MT
Adjustable Mount for
AO50/50H Models
OS-AO50-AP
Air Purge Unit for
AO50/50H Models
3
OSAO-Conv
Converter
RS-232/RS-485 for
OSAO-Series
OSAO-PCB
Communication PCB for
RS-232/RS-485