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Summary of Contents for Omega OS137A Series
- Page 1 User’s Guide CAUTION! – This product is not intended for medical use or use on humans Shop online at omega.com e-mail: info@omega.com For latest product manuals: omegamanual.info OS137A SERIES Miniature Non-Contact Infrared Temperature Sensor/Transmitter...
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Page 2: Table Of Contents
OS137A Series Miniature Non-Contact Infrared Temperature Sensor/Transmitter Table of Contents Section Page Caution & Safety Information ..............iii Safety Warnings and IEC Symbols ............iii Section 1 Introduction ................1 Section 2 Installation ................. 1 2.1 Unpacking .................... 1 2.2 Electrical Connection ................ - Page 3 OS137A Series Miniature Non-Contact Infrared Temperature Sensor/Transmitter Table of Figure Description Page Figure General Wiring Diagram .............. 2 Alarm Output Wiring Diagram ............ 2 Optical Field of View ..............3 Location of Emissivity & Alarm Adjust and Alarm Switch ..3 Mounting Bracket, OS137-MB .............
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Page 4: Caution & Safety Information
OS137A Series Miniature Non-Contact Infrared Temperature Sensor/Transmitter CAUTION & SAFETY INFORMATION If the equipment is used in a manner not specified in this manual, the protection provided by the equipment may be impaired. The Installation category is one (1). There is no user replaceable fuse in this product. -
Page 5: Section 1 Introduction
Introduction SECTION 1 - INTRODUCTION The OS137A Series is a precision, miniature infrared transmitter. It measures temperature via non-contact, and provides an analog output proportional to the measured temperature. The OS137A Series is offered in three temperature ranges: 0 to 100ºC (32 to 212ºF), -18 to 260ºC (0 to 500ºF) and -18 to 538ºC (0 to 1000ºF). -
Page 6: Electrical Connection
Installation -K : K type thermocouple output -MVC : 10 mV/ºC output -MVF : 10 mV/ºF output For longer power/output cable, add suffix “xxFT” to the model part number. The following table lists the optional accessories: Accessories Model No. Description Mounting Bracket OS137-MB OS137-WC... -
Page 7: Section 3 Operation
Introduction SECTION 3 – OPERATION 3.1 – Measuring Temperature Before starting to measure temperature, make sure the following check list is met: The power and output connections are made (Fig 2-1). The target is larger than the optical field of view of the transmitter (Fig 3-1). Use the Laser Sighting accessory (optional), to align the transmitter to the center of the target area. -
Page 8: Ambient Temperature
Operation 3.2 – Ambient Temperature The transmitter can operate in an ambient temperature of 0 to 70°C (32 to 158°F) without any water cool jacket. It can operate from 0 to 200°C (32 to 392°F) with the water cool jacket accessory, OS137-WC (Fig 3-6 & 3-7). It can operate up to 110°C (230°F) with air cooling. - Page 9 Operation Figure 3-4. Air Purge Collar, OS137-AP Figure 3-5. Stainless Steel Housing Figure 3-6. Water/Air Cool Jacket, OS137-WC...
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Page 10: Alarm Setting
Operation 3.3 - Atmospheric Quality The unit provides 0-100% alarm setpoint adjustment. Here is an example of an alarm setting: • An OS137A-3-MA (4/20 mA output), the alarm is to be set at 204°C (400°F) temperature. • Connect the alarm output as shown in Fig. 2-2. •... -
Page 11: Section 4 Laser Sight Accessory
Laser Sight Accessory SECTION 4 - LASER SIGHT ACCESSORY 4.1 – Warnings and Caution CAUTION: You may receive harmful laser radiation exposure if you do not adhere to the warnings listed below: • USE OF CONTROLS OR ADJUSTMENTS OR PERFORMANCE OF PROCEDURES OTHER THAN THOSE SPECIFIED IN THIS GUIDE MAY RESULT IN HAZARDOUS RADIATION EXPOSURE. - Page 12 Laser Sight Accessory Figure 4-1. Laser Sighting Accessory, OS137-LS Figure 4-2. Laser Warning Label...
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Page 13: Section 5 Specifications
Specifications SECTION 5 – SPECIFICATIONS 5.1 - General Temperature Range: OS137A-1 0 to 100ºC (32 to 212ºF) OS137A-2 -18 to 260ºC (0 to 500ºF) OS137A-3 -18 to 538°C (0 to 1000°F) Accuracy: OS137A-1, OS137-2 3% of Rdg or 4.4°C (8°F) whichever is greater OS137A-3 3% of Rdg or 5.5°C (10°F) whichever is greater Repeatability:... -
Page 14: Laser Sight Accessory
Specifications 5.2 - Laser Sight Accessory Laser Wavelength (Color): 630 - 670 nm (red) Operating Distance: Up to 9.1 m (30 ft) Max. Laser Power Output: Less than 1 mW @ 22ºC (72°F) ambient European Classification: Class 2, EN60825-1/11.2001 FDA Classification: Class II Laser Product. -
Page 15: Section 6 Emissivity Tables
Emissivity Table Material Emissivity (ε) Aluminum – pure highly polished plate ..... . 0.04 to 0.06 Aluminum – heavily oxidized ......0.20 to 0.31 Aluminum –... - Page 16 Emissivity Table Material Emissivity (ε) Asbestos Board..........0.96 Asphalt, tar, pitch .
- Page 17 OS137 Series Miniature Non-Contact Infrared Temperature Sensor/Transmitter NOTES:...
- Page 18 CONDITIONS: Equipment sold by OMEGA is not intended to be used, nor shall it be used: (1) as a “Basic Component” under 10 CFR 21 (NRC), used in or with any nuclear installation or activity; or (2) in medical applications or used on humans. Should any...
- Page 19 Where Do I Find Everything I Need for Process Measurement and Control? OMEGA…Of Course! Shop online at omega.com TEMPERATURE Thermocouple, RTD & Thermistor Probes, Connectors, Panels & Assemblies Wire: Thermocouple, RTD & Thermistor Calibrators & Ice Point References Recorders, Controllers & Process Monitors...