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User’s Guide
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OS136A SERIES
Miniature Low-Cost
Temperature Sensor/Transmitter
Non-Contact Infrared
Page 2
omega.com [email protected]
Servicing North America:
U.S.A. Omega Engineering, Inc.
Headquarters: Toll-Free: 1-800-826-6342 (USA & Canada only)
Customer Service: 1-800-622-2378 (USA & Canada only)
Engineering Service: 1-800-872-9436 (USA & Canada only)
Tel: (203) 359-1660 Fax: (203) 359-7700
e-mail: [email protected]
For Other Locations Visit omega.com/worldwide
The information contained in this document is believed to be correct, but OMEGA accepts no liability for any errors it contains, and reserves
the right to alter specifications without notice.
Page 3
OS136A Series Miniature Low-Cost Non-Contact Infrared
Table of Contents
Section Page
Caution and 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 ................................................................ 2
Section 3 Operation ......................................................................................... 3
3.1 Measuring Temperature .......................................................... 3
3.2 Ambient Temperature .............................................................. 3
3.3 Atmospheric Quality ................................................................ 4
Temperature Sensor/Transmitter
Section 4 Laser Sight Accessory .................................................................... 6
4.1 Warnings and Caution ............................................................. 6
4.2 Operating the Laser Sight Accessory ..................................... 6
Section 5 Specifications .................................................................................. 8
5.1 General ....................................................................................... 8
5.2 Laser Sight Accessory ............................................................... 9
i
Page 4
OS136A Series Miniature Low-Cost Non-Contact Infrared Temperature Sensor/Transmitter
List of Figures
Figure Description Page
2-1 General Wiring Diagram ............................................................... 2
3-1 Optical Field of View ...................................................................... 3
3-2 Mounting Bracket, OS100-MB ....................................................... 4
3-3 Air Purge Collar, OS100-AP .......................................................... 4
3-4 Stainless Steel Housing .................................................................. 5
3-5 Water/Air Cool Jacket, OS136-WC .............................................. 5
3-6 Water/Air Cool Jacket Assembly ................................................. 5
4-1 Laser Sighting Accessory, OS100-LS ............................................ 7
4-2 Laser Warning Label ....................................................................... 7
ii
Page 5
OS136A Series Miniature Low-Cost 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.
The output terminals of this product are for use with equipment (Digital meters,
chart recorders, etc.) which have no accessible live parts. Such equipment should
comply with all the applicable safety requirements.
Do not operate the equipment in flammable or explosive environments.
The unit comes with a 1.82 m (6') shielded cable for power and output
connections. The cable is a multi-conductor, 24 AWG stranded wire with the
rating of 600 VDC, 205ºC, (401°F) PTFE insulation.
Power must be disconnected before making any electrical connections.
The recommended power supply should be VDE or UL approved. Rating:12-24
VDC @ 50 mA min. power with overload protection.
The supply voltage to the transmitter should not exceed 24 VDC.
SAFETY WARNINGS AND IEC SYMBOLS
This device is marked with international safety and hazardous symbols in
accordance with IEC1010. It is important to read and follow all the precautions
and instructions in this manual before operating or commissioning this device
as it contains important information relating to safety and EMC. Failure to
follow all the safety precautions may result in injury and/or damage to your
equipment.
IEC Symbol Description
Caution - Refer to the accompanying
document(s).
Direct Current
Laser Symbol
iii
Page 6
1
Introduction
SECTION 1 - INTRODUCTION
The model OS136A series is a very low-cost, super-compact infrared transmitter.
It measures temperature via non-contact, and provides an analog output
proportional to the measured temperature. The OS136A series is offered in two
temperature ranges: -18 to 204ºC (0 to 400ºF) and 149 to 538ºC (300 to 1000ºF).
The analog output is offered as 4 to 20 mA, 0 to 5 Vdc, 0 to 10 Vdc, 10 mV/
Degree C or F, or K type thermocouple.
The unit has a fixed Emissivity of 0.95 which makes it easy to measure
temperature, requiring no adjustments during installation and use.
The super-compact design, 19 mm OD x 89 mm Length (0.75 OD x 3.5" L) is ideal
to measure temperature in confined, and hard to reach places. The Stainless Steel
housing is NEMA-4 rated. The unit comes with a 1.82 m (6') shielded cable as
standard.
SECTION 2 – INSTALLATION
2.1 – Unpacking
Remove the packing list and verify that you have received all your equipment. If
you have any questions about the shipment, please call the Customer Service at:
1-800-622-2378 or 203-359-2208. We can also be reached on the internet at
omega.com
email: [email protected]
When you receive the shipment, inspect the container and the equipment for any
signs of damage. Note any evidence of rough handling in transit. Immediately
report any damage to the shipping agent.
NOTE:
The carrier will not honor any damage claims unless all
the shipping materials are saved for inspection. After
examination and removing contents, save packing material
and carton in the event reshipment is necessary.
The following items are supplied in the box:
• The infrared transmitter, OS136A with the 1.82 m (6') shielded cable.
• Two Mounting Nuts
• User’s Guide
1
Page 7
Installation
The following describes the ordering information:
OS136A – * – ** , where
- * means:
-1 : -18 to 204ºC (0 to 400ºF) Temperature range
-2 : 149 to 538ºC (300 to 1000ºF) Temperature range
- ** means:
-MA : 4 to 20 mA current output
-V1 : 0 to 5 Vdc output
-V2 : 0 to 10 Vdc output
-K : K type thermocouple output
-MVC : 10 mV/ºC output
-MVF : 10 mV/ºF output
The following table lists the optional accessories:
Accessories
Model No. Description
OS100-MB Mounting Bracket
OS136-WC Water/Air Cooling Jacket
OS100-AP Air Purge Collar
OS100-LS Laser Sighting
PSU-93 Unregulated 16-24 VDC Power Supply
CAL-3-IR NIST Traceable Calibration
2
2.2 – Electrical Connection
The shielded cable provides the power and output connections. Fig 2-1 shows
the wiring diagram for different analog outputs.
12-24 Vdc
POWER SUPPLY
EARTH
GROUND
THERMOCOUPLE
METER/
RECORDER
WHITE
+
BLACK
–
SHIELD
+
–
K TYPE
THERMOCOUPLES
-OR-
RED
BLACK
SHIELD
WHITEYELLOW
GREENRED
10 mV/Deg
0/5 Vdc or 4-20 mA
or 0/10 Vdc
Figure 2-1. General Wiring Diagram
OS136A
+
12-24 Vdc
POWER SUPPLY
–
EARTH
GROUND
+
DIGITAL
VOLTMETER/
AMMETER/
–
RECORDER
2
Page 8
3
Operation
SECTION 3 – OPERATION
3.1 – Measuring Temperature
Before starting to measure temperature, make sure the following check list is met:
U The Power and output connections are made (Fig 2-1)
U The target is larger than the optical field of view of the transmitter (Fig 3-1)
U Use the Laser Sighting accessory (Optional), to align the transmitter to the
center of the target area.
U The Emissivity is fixed at 0.95. No adjustment is necessary. If the target
Emissivity is less than 0.95, you can place a masking tape or paint the target
area with flat black paint to raise the surface Emissivity to 0.95.
U Make sure the output load is within the product specification.
DISTANCE: SENSOR TO OBJECT (IN)
0"
SPOT DIA.* (IN)
0.4"@0"
1cm@0
SPOT DIA.* (CM)
0
* SPOT DIAMETER MEASURED AT 90% ENERGY
3.2 – Ambient Temperature
12"6"
1.0"
2.0"
3.3
6.6
20
DISTANCE: SENSOR TO OBJECT (CM)
40
24"
4.0"
D:S=6:1
10.0
60
13.0
80
Figure 3-1. Optical Field of View
36"
6.0"
16.0
100
48"
8.0"
20.0
122
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, OS136-WC (Fig 3-5 & 3-6). It can operate up to
110°C (230°F) with air cooling.
There is a warm up period of 1 to 2 minutes after power up. After the warm up
period, temperature measurement can be made.
When the ambient temperature around the transmitter changes abruptly, the sensor
head goes through a thermal shock. It takes a certain amount of time for the sensor
head to get stabilized to the new ambient temperature. For example, it takes about
30 minutes for the transmitter to stabilize from 25°C to 50°C ambient temperature.
3
Page 9
3.3 - Atmospheric Quality
Environments with smoke , dust, and fume dirty up the optical lens, and cause
erroneous temperature readings. To keep the surface of the optical lens clean, the
air purge collar accessory is recommended, OS136-AP (Fig 3-3).
The following figures show the Mounting Bracket (OS136-MB), Air Purge Collar
(OS136-AP), Stainless Steel Housing, Water/Air Cool Jacket (OS136-WC), and
the Water/Air Cool Jacket Assembly.
Operation
3
12.7
(0.5)
12.7
(0.5)
25.4
(1)
90ϒ
23.3
(0.919)
31.8
(1.25)
42.9
(1.69)
3.2
(1/8)
50.0
(1.97)
3.2
(1/8)
Ø 4
(0.156)
Dimensions mm (in.)
Figure 3-2. Mounting Bracket, OS100-MB
Ø 19
(0.755)
Dimensions mm (in.)
3/4-16 UNF 2B
THRU.
17.5
(0.69)
28.6
1/16 NPT
COMPRESSION
FITTING
(1.125)
Figure 3-3. Air Purge Collar, OS100-AP
4
Page 10
3
Operation
19.05
(0.75)
LIGHT HEX KNURL
4.76 (3/16) WIDE
88.9
(3.5)
1.83m
(6ft)
Figure 3-4. Stainless Steel Housing
1/8 NPT COMPRESSION
FITTING, 2 PLCS.
3/4-16 UNF
33.27
(1.31)
DIMENSIONS mm (in)
7.62
(0.30)
34.80
(1.37)
INLET OUTLET
85.09
3/4-16 UNF-2B
Dimensions mm (in.)
(3.35)
Figure 3-5. Water/Air Cool Jacket, OS136-WC
MOUNTING
BRACKET
OS136A
OUTLETINTLET
UP TO 200C (392F) AMBIENT TEMPERATURE WITH WATER COOLING
Dimensions mm (in.)
3/4-16 UNF
MOUNTING
NUT
Figure 3-6. Water/Air Cool Jacket Assembly
5
Page 11
SECTION 4 - LASER SIGHT ACCESSORY
4.1 – Warning and 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 HERE MAY RESULT IN
HAZARDOUS RADIATION EXPOSURE.
• DO NOT LOOK AT THE LASER BEAM COMING OUT OF THE LENS OR
VIEW DIRECTLY WITH OPTICAL INSTRUMENTS – EYE DAMAGE CAN
RESULT.
• USE EXTREME CAUTION WHEN OPERATING THE LASER SIGHT
ACCESSORY
Laser Sight Accessory
CAUTION:
4
• NEVER POINT THE LASER ACCESSORY AT A PERSON
• KEEP OUT OF REACH OF ALL CHILDREN
WARNING:
Do not attempt to open the laser sight accessory. There are no
user serviceable parts inside.
4.2 – Operating the Laser Sight Accessory
The Laser sight accessory screws onto the front of the transmitter sensor head.
This accessory is only used for alignment of the transmitter head to the target
area. After the alignment process, the accessory has to be removed from the front
of the transmitter head before temperature measurement is made.
The laser sight accessory is powered from a small, compact battery pack
(included with the accessory). Connect the battery pack to the accessory using
the cable provided. Aim at the target, and turn on the battery power using the
slide switch on the battery pack. Adjust the sensor head position such that the
laser beam points to the center of the target area. Turn off the battery pack, and
remove the laser sighting accessory from the sensor head (Fig 4-1).
6
Page 12
Laser Sight Accessory
4
LASER WARNING LABEL
DC POWER JACK
OS136A
BATTERY PACK
POWER SUPPLY
Figure 4-1. Laser Sighting Accessory, OS100-LS
ON/OFF
SWITCH
38.1
POWER
CABLE
(1.5)
LED LASER
POWER
INDICATOR
19
(0.75)
50.8
(2.0)
Dimensions mm (in.)
LASER
BEAM
Figure 4-2. Laser Warning Label
7
Page 13
SECTION 5 – SPECIFICATIONS
5.1 - General
Temperature Range
OS136A-1: -18 to 204ºC (0 to 400ºF)
OS136A-2: 149 to 538ºC (300 to 1000ºF)
Accuracy:
OS136A-1: 3% of Rdg or 4.4ºC (8ºF) whichever is greater
OS136A-2: 3% of Rdg or 5.5ºC (10ºF) whichever is greater
From 185 to 510ºC (365 to 950ºF)
Repeatability: 1% of Rdg.
Optical Field of View: 6 to 1 (Distance to Spot Size)
Spectral Response: 5 to 14 microns
Response Time: 150 msec, 0 to 63% of final value
Emissivity: Fixed at 0.95
Analog Output
MA: 4 to 20 mA
V1: 0 to 5 Vdc
V2: 0 to 10 Vdc
K: K type Thermocouple, compensated
MVC: 10 mV/ºC
MVF: 10 mV/ºF
Specifications
5
Output Load Requirements
Min. Load (0 to 5 Vdc): 1 K-Ohms
Min. Load (0 to 10 Vdc): 2 K-Ohms
Max. Load (4 to 20 mA): (Power Supply – 4) / 20 mA
Min. Load (10 mV/Deg): 10 K-Ohms
Min. Load (K T/C): 100 K-Ohms
Operating Ambient Temperature
No Water Cooling: 0 to 70ºC (32 to 158ºF)
With Water Cooling (OS136-WC):
With Air Cooling (OS136-WC): 0 to 110°C (32 to 230°F)
Operating Relative Humidity: Less than 95% RH, non-condensing
Water Flow Rate for OS136-WC: 0.25 GPM, room temperature, minimum
Air Flow Rate for OS136-WC 5 CFM (2.4 liters/sec)
Warm up Period: 1 to 2 minutes
Thermal Shock: About 30 minutes for 25ºC abrupt
ambient temperature change
Air Flow Rate for Air Purge Collar 1 CFM (0.5 liters/sec.)
Transmitter Housing: Stainless Steel 316, NEMA-4 & IP65 rated
Power: 12 to 24 VDC @ 50 mA
0 to 200ºC (32 to 392ºF)
Dimensions: 19 OD x 89 L mm (0.75 OD x 3.5" L)
Weight: 0.40 lb (181 g)
8
Page 14
5
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 ambient
European Classification: Class 2, EN60825-1/11.2001
FDA Classification: Class II Laser Product. Complies with
21 CFR 1040.10
Laser Beam Diameter: Less than 5 mm
Beam Divergence: Less than 2 mrad
Operating Temperature: 0 to 50°C (32 to 122°F)
Operating Relative Humidity: Less than 95% RH, non-condensing
Power Switch: ON/OFF, Slide switch on the Battery Pack
Power Indicator: Red LED
Power: Battery Pack, 3 VDC
Caution & Certification Label: Located on the head sight circumference
Identification Label: Located on the head sight circumference
Aperture Label: Located on the head sight circumference
Dimensions: 38 OD x 50.8 L mm (1.5 OD x 2" L)
9
Page 15
WARRANTY/DISCLAIMER
OMEGA ENGINEERING, INC. warrants this unit to be free of defects in materials and workmanship for a
period of 13 months from date of purchase. OMEGA’s WARRANTY adds an additional one (1) month grace
period to the normal one (1) year product warranty to cover handling and shipping time. This ensures
that OMEGA’s customers receive maximum coverage on each product.
If the unit malfunctions, it must be returned to the factory for evaluation. OMEGA’s Customer Service
Department will issue an Authorized Return (AR) number immediately upon phone or written request.
Upon examination by OMEGA, if the unit is found to be defective, it will be repaired or replaced at no
charge. OMEGA’s WARRANTY does not apply to defects resulting from any action of the purchaser,
including but not limited to mishandling, improper interfacing, operation outside of design limits,
improper repair, or unauthorized modification. This WARRANTY is VOID if the unit shows evidence of
having been tampered with or shows evidence of having been damaged as a result of excessive corrosion;
or current, heat, moisture or vibration; improper specification; misapplication; misuse or other operating
conditions outside of OMEGA’s control. Components in which wear is not warranted, include but are not
limited to contact points, fuses, and triacs.
OMEGA is pleased to offer suggestions on the use of its various products. However,
OMEGA neither assumes responsibility for any omissions or errors nor assumes liability for
any damages that result from the use of its products in accordance with information provided
by OMEGA, either verbal or written. OMEGA warrants only that the parts manufactured by the
company will be as specified and free of defects. OMEGA MAKES NO OTHER WARRANTIES OR
REPRESENTATIONS OF ANY KIND WHATSOEVER, EXPRESSED OR IMPLIED, EXCEPT THAT OF
TITLE, AND ALL IMPLIED WARRANTIES INCLUDING ANY WARRANTY OF MERCHANTABILITY
AND FITNESS FOR A PARTICULAR PURPOSE ARE HEREBY DISCLAIMED. LIMITATION OF
LIABILITY: The remedies of purchaser set forth herein are exclusive, and the total liability of
OMEGA with respect to this order, whether based on contract, warranty, negligence,
indemnification, strict liability or otherwise, shall not exceed the purchase price of the
component upon which liability is based. In no event shall OMEGA be liable for
consequential, incidental or special damages.
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 Product(s) be used in or with any nuclear installation or
activity, medical application, used on humans, or misused in any way, OMEGA assumes no responsibility
as set forth in our basic WARRANTY/DISCLAIMER language, and, additionally, purchaser will indemnify
OMEGA and hold OMEGA harmless from any liability or damage whatsoever arising out of the use of the
Product(s) in such a manner.
RETURN REQUESTS/INQUIRIES
Direct all warranty and repair requests/inquiries to the OMEGA Customer Service Department. BEFORE
RETURNING ANY PRODUCT(S) TO OMEGA, PURCHASER MUST OBTAIN AN AUTHORIZED RETURN (AR)
NUMBER FROM OMEGA’S CUSTOMER SERVICE DEPARTMENT (IN ORDER TO AVOID PROCESSING
DELAYS). The assigned AR number should then be marked on the outside of the return package and on any
correspondence.
The purchaser is responsible for shipping charges, freight, insurance and proper packaging to prevent
breakage in transit.
FOR WARRANTY RETURNS, please have the
following information available BEFORE contacting
OMEGA:
1. Purchase Order number under which the product
was PURCHASED,
2. Model and serial number of the product under
warranty, and
3. Repair instructions and/or specific problems
relative to the product.
OMEGA’s policy is to make running changes, not model changes, whenever an improvement is possible. This affords our
customers the latest in technology and engineering.
OMEGA is a trademark of OMEGA ENGINEERING, INC.
© Copyright 2018 OMEGA ENGINEERING, INC. All rights reserved. This document may not be copied, photocopied,
reproduced, translated, or reduced to any electronic medium or machine-readable form, in whole or in part, without the prior
written consent of OMEGA ENGINEERING, INC.
FOR NON-WARRANTY REPAIRS, consult
OMEGA for current repair charges. Have
the following information available BEFORE
contacting OMEGA:
1. Purchase Order number to cover the COST
of the repair,
2. Model and serial number of the product, and
3. Repair instructions and/or specific problems
relative to the product.
Page 16
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