Omega Engineering Stud Sensor OS136 User Manual

Users Guide  
CAUTION! – This product  
is not intended for medical  
use or use on humans  
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OS136 SERIES  
Miniature Low-Cost  
Non-Contact Infrared  
Temperature Sensor/Transmitter  
 
OS136 Series Miniature Low-Cost Non-Contact Infrared  
Temperature Sensor/Transmitter  
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  
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
 
OS136 Series Miniature Low-Cost Non-Contact Infrared Temperature Sensor/Transmitter  
List of Figures  
Figure  
Description  
Page  
2-1  
3-1  
3-2  
3-3  
3-4  
3-5  
3-6  
4-1  
4-2  
General Wiring Diagram ................................................................ 2  
Optical Field of View ...................................................................... 3  
Mounting Bracket, OS100-MB ....................................................... 4  
Air Purge Collar, OS100-AP ........................................................... 4  
Stainless Steel Housing .................................................................. 5  
Water/Air Cool Jacket, OS136-WC .............................................. 5  
Water/Air Cool Jacket Assembly ................................................. 5  
Laser Sighting Accessory, OS100-LS ............................................. 7  
Laser Warning Label........................................................................ 7  
ii  
 
OS136 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) Teflon 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  
 
Introduction  
1
SECTION 1 - INTRODUCTION  
The model OS136 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 OS136 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  
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, OS136 with the 1.82 m (6') shielded cable.  
• Two Mounting Nuts  
• User’s Guide  
1
 
Installation  
2
The following describes the ordering information:  
OS136 – * – ** , 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.  
OS100-MB  
OS136-WC  
OS100-AP  
OS100-LS  
PSU-93  
Description  
Mounting Bracket  
Water/Air Cooling Jacket  
Air Purge Collar  
Laser Sighting  
Unregulated 16-24 VDC Power Supply  
NIST Traceable Calibration  
CAL-3-IR  
2.2 – Electrical Connection  
The shielded cable provides the power and output connections. Fig 2-1 shows  
the wiring diagram for different analog outputs.  
OS136  
WHITE  
RED  
+
+
12-24 Vdc  
POWER SUPPLY  
12-24 Vdc  
POWER SUPPLY  
BLACK  
BLACK  
SHIELD  
SHIELD  
EARTH  
EARTH  
GROUND  
GROUND  
+
YELLOW  
WHITE  
GREEN  
10 mV/Deg  
-OR-  
+
DIGITAL  
THERMOCOUPLE  
METER/  
VOLTMETER/  
AMMETER/  
RECORDER  
RED  
RECORDER  
K TYPE  
THERMOCOUPLES  
0/5 Vdc or 4-20 mA  
or 0/10 Vdc  
Figure 2-1. General Wiring Diagram  
2
 
Operation  
3
SECTION 3 – OPERATION  
3.1 – Measuring Temperature  
Before starting to measure temperature, make sure the following check list is met:  
ߜ
 The Power and output connections are made (Fig 2-1)  
ߜ
 The target is larger than the optical field of view of the transmitter (Fig 3-1)  
ߜ
 Use the Laser Sighting accessory (Optional), to align the transmitter to the  
center of the target area.  
ߜ
 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.  
ߜ
 Make sure the output load is within the product specification.  
DISTANCE: SENSOR TO OBJECT (IN)  
6"  
12"  
48"  
8.0"  
0"  
24"  
36"  
6.0"  
4.0"  
2.0"  
1.0"  
0.4"@0"  
1cm@0  
D:S=6:1  
3.3  
6.6  
40  
10.0  
60  
13.0  
80  
16.0  
100  
20.0  
122  
0
20  
DISTANCE: SENSOR TO OBJECT (CM)  
* SPOT DIAMETER MEASURED AT 90% ENERGY  
Figure 3-1. Optical Field of View  
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, 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
 
3
Operation  
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.  
12.7  
(0.5)  
3.2  
(1/8)  
12.7  
(0.5)  
50.0  
(1.97)  
90°  
Ø 19  
(0.755)  
3.2  
(1/8)  
25.4  
(1)  
Ø 4  
(0.156)  
23.3  
(0.919)  
Dimensions mm (in.)  
31.8  
(1.25)  
42.9  
(1.69)  
Figure 3-2. Mounting Bracket, OS100-MB  
17.5  
(0.69)  
Dimensions mm (in.)  
1/16 NPT  
COMPRESSION  
FITTING  
3/4-16 UNF 2B  
THRU.  
Figure 3-3. Air Purge Collar, OS100-AP  
4
 
3
Operation  
3/4-16 UNF  
LIGHT HEX KNURL  
4.76 (3/16) WIDE  
33.27  
(1.31)  
88.9  
(3.5)  
1.83m  
(6ft)  
DIMENSIONS mm (in)  
Figure 3-4. Stainless Steel Housing  
1/8 NPT COMPRESSION  
FITTING, 2 PLCS.  
7.62  
(0.30)  
INLET  
OUTLET  
85.09  
(3.35)  
3/4-16 UNF-2B  
3/4-16 UNF  
Dimensions mm (in.)  
Figure 3-5. Water/Air Cool Jacket, OS136-WC  
MOUNTING  
NUT  
MOUNTING  
BRACKET  
OS137  
INTLET  
OUTLET  
UP TO 200°C (392°F) AMBIENT TEMPERATURE WITH WATER COOLING  
Dimensions mm (in.)  
Figure 3-6. Water/Air Cool Jacket Assembly  
5
 
Laser Sight Accessory  
4
SECTION 4 - LASER SIGHT ACCESSORY  
4.1 – Warning 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 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  
• 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
 
Laser Sight Accessory  
4
LASER WARNING LABEL  
DC POWER JACK  
OS136  
LED LASER  
POWER  
INDICATOR  
LASER  
BEAM  
19  
(0.75)  
ON/OFF  
SWITCH  
50.8  
(2.0)  
POWER  
CABLE  
BATTERY PACK  
POWER SUPPLY  
Dimensions mm (in.)  
Figure 4-1. Laser Sighting Accessory, OS100-LS  
®
LASER RADIATION DO NOT STARE  
INTO BEAM OR VIEW DIRECTLY WITH  
OPTICAL INSTRUMENTS. CLASS 2  
CAUTION  
LASER PRODUCT.  
AVOID EXPOSURE. LASER  
RADIATION IS EMITTED  
FROM THIS APERTURE.  
LASER RADIATION - DO NOT STARE INTO BEAM  
OUTPUT <1 mW, WAVELENGTH 630-670 nm, CLASS II (2) LASER  
PRODUCT. COMPLIES WITH FDA 21CFR 1040.10 & EN60825-1/11.2001  
Figure 4-2. Laser Warning Label  
7
 
Specifications  
5
SECTION 5 – SPECIFICATIONS  
5.1 - General  
Temperature Range:  
OS136-1  
-18 to 204ºC (0 to 400ºF)  
149 to 538ºC (300 to 1000ºF)  
OS136-2  
Accuracy: @22ºC (72ºF) ambient  
OS136-1  
OS136-2  
3% of Rdg or 4.4ºC (8ºF) whichever is greater  
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:  
Spectral Response:  
Response Time:  
Emissivity:  
6 to 1 (Distance to Spot Size)  
5 to 14 microns  
150 msec, 0 to 63% of final value  
Fixed at 0.95  
Analog output:  
MA  
V1  
V2  
K
4 to 20 mA  
0 to 5 Vdc  
0 to 10 Vdc  
K type Thermocouple, compensated  
MVC  
MVF  
10 mV/ºC  
10 mV/ºF  
Output Load Requirements:  
Min. Load (0 to 5 Vdc)  
Min. Load (0 to 10 Vdc)  
Max. Load (4 to 20 mA)  
Min. Load (10 mV/Deg)  
Min. Load (K T/C)  
1 K-Ohms  
2 K-Ohms  
(Power Supply – 4) / 20 mA  
10 K-Ohms  
100 K-Ohms  
Operating Ambient Temperature:  
No Water Cooling  
0 to 70ºC (32 to 158ºF)  
With Water Cooling (OS136-WC) 0 to 200ºC (32 to 392ºF)  
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  
Warm up Period:  
5 CFM (2.4 liters/sec)  
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:  
Power:  
Stainless Steel 316, NEMA-4 & IP65 rated  
12 to 24 VDC @ 50 mA  
19 OD x 89 L mm (0.75" OD x 3.5" L)  
0.40 lb (181 g)  
Dimensions:  
Weight:  
8
 
5
Specifications  
5.2 - Laser Sight Accessory  
Laser Wavelength (Color):  
Operating Distance:  
630 - 670 nm (Red)  
Up to 9.1 m (30 ft.)  
Max. Laser Power Output:  
European Classification:  
FDA Classification:  
Less than 1 mW @ 22ºC ambient  
Class 2, EN60825-1/11.2001  
Class II Laser Product. Complies with  
21 CFR 1040.10  
Laser Beam Diameter:  
Beam Divergence:  
Operating Temperature:  
Operating Relative Humidity:  
Power Switch:  
Less than 5 mm  
Less than 2 mrad  
0 to 50°C (32 to 122°F)  
Less than 95% RH, non-condensing  
ON/OFF, Slide switch on the Battery Pack  
Red LED  
Power Indicator:  
Power:  
Battery Pack, 3 VDC  
Caution & Certification Label:  
Identification Label:  
Aperture Label:  
Located on the head sight circumference  
Located on the head sight circumference  
Located on the head sight circumference  
38 OD x 50.8 L mm (1.5" OD x 2" L)  
Dimensions:  
9
 
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 OMEGAS 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:  
FOR NON-WARRANTY REPAIRS, consult OMEGA  
for current repair charges. Have the following  
information available BEFORE contacting OMEGA:  
1. Purchase Order number under which the product  
was PURCHASED,  
1. Purchase Order number to cover the COST  
of the repair,  
2. Model and serial number of the product under  
warranty, and  
3. Repair instructions and/or specific problems  
relative to the product.  
2. Model and serial number of the product, 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 registered trademark of OMEGA ENGINEERING, INC.  
© Copyright 2009 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.  
 
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