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Miniature Low Cost Non-contact IR Temperature Sensor Transmitter

OS101 Series

Infrared TemperatureTransmitter | OS101 Series

Infrared TemperatureTransmitter

See All Models Below

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5 year warranty
  • 0 to 1000°F (-18 to 538°C) Measurement Range
  • Adjustable Emissivity From 0.1 to 1.0.
  • Fast, Accurate, Repeatable Readings
  • Type K Thermocouple, 0 to 5 Vdc, 4 to 20 mA or 1 mV /Deg Analog Output Models
  • Rugged, Miniature Industrial Design with Remote Sensor Head
  • User Adjustable High or Low Alarm Standard
  • NEMA-4 Metal Housing
Infrared Temperature Measurement Instruments - View related products


The OS100 has been replaced by the OS100E series. For more information, please see the OS100E Series for complete details.

OMEGA’s low cost OS100 Series mini infrared transmitter system features a remotely mounted infrared temperature sensor and high performance microprocessor based signal conditioner. The OS100’s miniature sensor head design is ideal for measuring temperature in confined, hard-to-reach places and harsh environments. The sensor head is connected to the main electronics housing via a 6 ft shielded cable standard on all models. The signal conditioners main electronics are mounted in a rugged NEMA-4 rated diecast aluminum housing and feature adjustable emissivity, linear voltage, current or type K thermocouple output calibrated for the temperature range of -18 to 538°C (0 to 1000°F). A user adjustable high/low alarm output is standard on all models.

Accuracy: ±2% of reading or 2.2°C whichever is greater
Repeatability: ±1% of reading
Spectral Response: 5-14 µm
Response Time: 150 mSec (0 to 63% of final reading)
Emissivity Range: 0.10 to 1.0
Field of View: 6:1
Open Aperture: 0.4" 10mm
Ambient Operating Range:
Main electronics: 0 to 50°C (32 to 122°F)
Sensor head: 0 to 70°C (32 to 158°F)
High temp sensor head (-HT): 0 to 85°C (32 to 158°F)
Power: 12 to 24 Vdc
Temperature Range: -18 to 538°C (0 to 1000°F)
Alarm: Adjustable, open drain (100 mA)
Transmitter Output: Type K thermocouple, 1 mV/deg, 0 to 5 Vdc or 4 to 20 mA. Internal screw terminal connections
Electronics Housing: NEMA-4, diecast aluminum
Sensor Head Cable Length: 6' (1.8m) standard
Box Dimensions: 11.4 x 6.3 x 3 cm (4.5" x 2.5" x 1.2")
Weight: 300 g (0.6 lb)
Sensor Head: 25 dia. x 64 mm long (1" x 2.5") with 3/4-16 UNF thread
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Part Number/ Desc.
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Transmitter with type K TC output
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Transmitter with 1mV/ Deg C dc output
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Transmitter with 1mV/ Deg F dc output and high temperature sensor head
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Mounting Bracket
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Sensor Head Extension Cable 6' (2 m)
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Sensor Head Extension Cable 15' (4.6 m)
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Sensor Head Extension Cable 25' (7.6 m)
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Power / Output Cable 100' (30 m)
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24 Vdc Power Supply
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NIST Traceable Calibration
All amounts shown in USD
Note: Each OS101 comes complete with sensor head and 1.8 m (6') cable, sensor head mounting nut, main electronics housing and operator’s manual.

Part Number Builder

Build Your Part Number Below
Option Descriptions:

(1) Output Type select from:
MV-C for 1 mV/°C output
MV-C-HT for 1 mV/°C output with high temp sensor head
MV-F for 1 mV/°F output
MV-F-HT for 1 mV/°F output with high temp sensor head
K for Type K output
K-HT for Type K output with high temp sensor head
V1 for 0 to 5 Vdc output
MA for 4 to 20 mA output
MA-HT for 4 to 20 mA output with high temp sensor head
Note: All combinations may not be valid, check spec sheet for valid part numbers.
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