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Infrared Thermosensor
ES1B
CSM_ES1B_DS_E_3_3
Achieve Low-cost Measurements with an
Infrared Thermosensor.
• The ES1B has an electromotive output as high as that of a
thermocouple, thus connecting directly to the thermocouple input
terminal of the Temperature Controller is possible.
• Four temperature ranges are available to cover a wide range of
temperature measurement needs, including those in the food
processing, packaging, molding, and electronics industries.
• High-accuracy temperature measurement is ensured by a high-speed
response of 300 ms (for a 63% response) and an indication
reproducibility of ±1% PV.
• Unlike thermocouples, the Thermosensor does not deteriorate.
Therefore, stable, real-time temperature control can be maintained.
Refer to Safety Precautions for All Temperature
Controllers.
Ordering Information
When your order, specify the temperature range.
■ List of Models
Appearance and sensing characteristic
2 mm
20 mm
40 mm
Specification (temperature range)
10 to 70°C
60 mm
Model
ES1B
60 to 120°C
115 to 165°C
140 to 260°C
2 dia.
20 dia.
40 dia.
60 dia.
Application Examples
Temperature Control of Ironing Portion
Film
Temperature Measurement of Sheet Molding
Machines and Resin Extrusion Machines
DC
power
supply
Vertically
heating rolls
Resin
Note: 1. Either a 12 VDC or 24 VDC power supply
is required for the ES1B.
2. To measure the difference in temperature
between two points, use two isolated
power supplies.
ES1B
Power supply (+)
ES1B
Conveyor
ES1B
Power supply (−)
DC power
supply
Output (+)
Horizontally
heating rolls
Output (−)
Molding trays
Output (−) Output (+)
Temperature
Controller
ES1B
Detecting Excessive Heat Radiation of
High-tension Distribution Boards or Transformers
Detecting Excessive Heat Radiation
of Bearings
Power supply (+)
Power supply (−)
DC power
supply
ES1B
ES1B
ES1B
Output (+)
High-tension line
DC
power
supply
Output (−)
Output (−)
Temperature
Output (+) Controller
ES1B
High-tension
distribution
panel
Bearing
Power
supply (+)
DC power
supply
Power
supply (−)
Do not use the Infrared Thermosensor in locations where the ambient temperature changes rapidly.
To use the Infrared Thermosensor in locations subject to rapid changes in temperature due to
radiant heat or movement of hot air, use a heat shield or other method to reduce rapid changes in
temperature as much as possible.
1
ES1B
Specifications
■ Ratings/Characteristics
Item
ES1B
Power supply voltage
12/24 VDC
Operating voltage range
90% to 110% of the power supply voltage
Current consumption
20 mA max.
Measuring temperature range
Accuracy
(See note 1.)
10 to 70°C, 60 to 120°C, 115 to 165°C, 140 to 260°C
±5°C (See note 2.)
±2% PV or ±2°C, whichever is larger
±10°C (See note 2.)
±4% PV or ±4°C, whichever is larger
±30°C (See note 2.)
±6% PV or ±6°C, whichever is larger
±40°C (See note 2.)
±8% PV or ±8°C, whichever is larger
±1% PV or ±1°C, whichever is larger
Reproducibility
Temperature drift
Influence of EMS
0.4°C/°C max.
Radiated electromagnetic
field immunity
±10°C max. (80 - 800 MHz)
Imunity Conducted
Disturbance
±10°C max.
±30°C max. (800 - 1000 MHz)
Sensing distance vs. sensing diameter
1:1 typ.
Measurement wavelength
6.5 to 14.0 μm
Receiver element
Thermopile
Response speed
Approximately 300 ms at response rate of 63%
Output impedance
Operating temperature
1 to 4 kΩ
−25°C to 70°C (with no icing or condensation)
Allowable ambient humidity
35% to 85%
Vibration resistance (destruction)
98 m/s2 for 2 hours each in X, Y, and Z directions at 10 to 55 Hz
Shock resistance (destruction)
300 m/s2 for 3 times each in X, Y, and Z directions
Casing material
ABS resin
Degree of protection
IP65
Applicable safety standards
CE Making (See note 3.)
Weight
Approx. 120 g
Cable
Compensating conductor: 3 m
PVC-covered cable with a shield wire resisting 70°C
Note: 1. Based on characteristics of K-type thermocouple and radiation rate of 0.98.
2. The accuracy is given as the change in temperature from any reference temperature of the sensing object. For example, if the reference
temperature is 50°C, the accuracy at 55°C would be ±2% PV or ±2°C, whichever is larger and the accuracy at 60°C would be ±4% PV
or ±4°C, whichever is larger.
3. EN 61326-1 : Industrial electromagnetic environment (EN/IEC 61326-1 Table 2)
Dimensions
Note: All units are in millimeters unless otherwise indicated.
ES1B
44.5
6.5
17.8
3,000
ABS resin
Polyolefin tube
Mounting Lock Nuts (Two) (Provided)
Green, Output +
White, Output −
14.2 dia.
15
36.5
Screw M18×1.0
PVC-covered
(−25°C to 70°C)
24
Orange, Power +
Shield, Power −
26
7
2
ES1B
Adjustment Methods
Adjust the Thermosensor as described below before using it.
Adjust the Thermosensor according to the conditions of the sensing object and characteristics of the
Temperature Controller.
Offset Compensation for Target Value with Input Shift Function
The error caused at the
time the Thermosensor is
connected to the
Temperature Controller.
PV display of
Temperature
Controller
Temperature
characteristics of
target sensing
object
Compensated with the
input shift function of
the Temperature
Controller
Temperature Controller
(such as E5CS)
Target value
(Actual temperature of sensing object sample)
Gain and Offset Compensation with Two-point Shift Function
PV display of
Temperature
Controller
The error caused by
the condition of the
sensing objects or at
the time the Thermosensor is
connected to the
Temperature Controller.
Upper limit side
Upper limit of
SV of
Temperature
Controller
Temperature Controller
(such as [email protected] or [email protected])
Lower limit side
Compensated with the
two-point shift function
(for the upper and
lower sides) of the
Temperature
Controller.
Lower limit of SV of
Temperature Controller
Target value
(Actual temperature of sensing object sample)
Connections
Green, Output +
+
White, Output −
-
Thermocouple
(K)
input terminals
Temperature Controller
Orange, Power +
12/24 VDC
Shield, Power −
GND
DC power supply
Safety Precautions
Refer to the ES1B Infrared Thermosensor datasheet (Cat. No. H127) for application precautions.
ALL DIMENSIONS SHOWN ARE IN MILLIMETERS.
To convert millimeters into inches, multiply by 0.03937. To convert grams into ounces, multiply by 0.03527.
In the interest of product improvement, specifications are subject to change without notice.
3
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Please read and understand this catalog before purchasing the products. Please consult your OMRON representative if you
have any questions or comments.
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NON-INFRINGEMENT, MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OF THE PRODUCTS. BUYER
ACKNOWLEDGES THAT IT ALONE HAS DETERMINED THAT THE
PRODUCTS WILL SUITABLY MEET THE REQUIREMENTS OF THEIR INTENDED USE.
Omron further disclaims all warranties and responsibility of any type for claims or expenses based on infringement by the
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Omron’s election, to (i) replace (in the form originally shipped with Buyer responsible for labor charges for removal or
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electronic components, circuits, system assemblies or any other materials or substances or environments. Any advice,
recommendations or information given orally or in writing, are not to be construed as an amendment or addition to the above
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See http://www.omron.com/global/ or contact your Omron representative for published information.
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Further, in no event shall liability of Omron Companies exceed the individual price of the Product on which liability is asserted.
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Omron Companies shall not be responsible for conformity with any standards, codes or regulations which apply to the
combination of the Product in the Buyer’s application or use of the Product. At Buyer’s request, Omron will provide applicable
third party certification documents identifying ratings and limitations of use which apply to the Product. This information by itself
is not sufficient for a complete determination of the suitability of the Product in combination with the end product, machine,
system, or other application or use. Buyer shall be solely responsible for determining appropriateness of the particular Product
with respect to Buyer’s application, product or system. Buyer shall take application responsibility in all cases.
NEVER USE THE PRODUCT FOR AN APPLICATION INVOLVING SERIOUS RISK TO LIFE OR PROPERTY OR IN LARGE
QUANTITIES WITHOUT ENSURING THAT THE SYSTEM AS A WHOLE HAS BEEN DESIGNED TO ADDRESS THE RISKS,
AND THAT THE OMRON PRODUCT(S) IS PROPERLY RATED AND INSTALLED FOR THE INTENDED USE WITHIN THE
OVERALL EQUIPMENT OR SYSTEM.
Programmable Products.
Omron Companies shall not be responsible for the user’s programming of a programmable Product, or any consequence
thereof.
Performance Data.
Data presented in Omron Company websites, catalogs and other materials is provided as a guide for the user in determining
suitability and does not constitute a warranty. It may represent the result of Omron’s test conditions, and the user must correlate
it to actual application requirements. Actual performance is subject to the Omron’s Warranty and Limitations of Liability.
Change in Specifications.
Product specifications and accessories may be changed at any time based on improvements and other reasons. It is our
practice to change part numbers when published ratings or features are changed, or when significant construction changes are
made. However, some specifications of the Product may be changed without any notice. When in doubt, special part numbers
may be assigned to fix or establish key specifications for your application. Please consult with your Omron’s representative at
any time to confirm actual specifications of purchased Product.
Errors and Omissions.
Information presented by Omron Companies has been checked and is believed to be accurate; however, no responsibility is
assumed for clerical, typographical or proofreading errors or omissions.
2015.8
In the interest of product improvement, specifications are subject to change without notice.
OMRON Corporation
Industrial Automation Company
http://www.ia.omron.com/
(c)Copyright OMRON Corporation 2015 All Right Reserved.
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