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Humidity Sensor
Temperature/Humidity Sensor
ES2-HB ES2-THB
CSM_ES2-HB_ES2-THB_DS_E_3_3
Detect Humidity within an Accuracy of ±3%
in a Compact Body. Controller Set Provides
Superior Humidity Control and Temperature/
Humidity Control.
• Employs high-polymer-resistive Sensor with superior durability.
• Compact and lightweight.
• Measurement ranges of 20% to 95% for humidity and 0 to 55°C
for temperature.
Ordering Information
Name
Model
Humidity Sensor
ES2-HB
Temperature/Humidity Sensor
ES2-THB
Dimensions
Note: All units are in millimeters unless otherwise indicated.
ES2-HB Humidity Sensor
ES2-THB Temperature/Humidity Sensor
Humidity Sensor Module (See note.) ES2-M
Note: This is a replacement item. One Module is provided with the
ES2-HB/-THB. Always attach the Humidity Sensor Module
when using the ES2-HB/-THB. Approximately 7 VDC will be
output for the humidity output if the Module is not attached or is
incompletely attached.
22
50
50
Specifications
Humidity Sensor section High-polymer resistive
5.5 dia.
Humidity detection range 20 to 95%
Humidity detection
accuracy
±3% (25°C, 40 to 80%)
Shield wire in transparent tube
Shield
5,000 ± 200
Power supply voltage 24 VDC (See note 1.)
(25)
White
Operating voltage range 85% to 110% of power supply voltage
OUT
Current consumption 10 mA max.
Humidity output
Temperature Sensor
Section (See note 2.)
Black
G
1 to 5 V (for humidity of 0% to 100%)
Permissible load impedance: 100 kΩ min.
(Use a 1:1 connection when connecting to
an E5CC/E5EC/E5AC.)
Platinum resistance thermometer
Red
IN
Heat-shrinking tube
150 ± 20
Cover
4 dia.
Temperature
detection range
0 to 55°C
Temperature output
Pt100: 3 wire (See note 4.)
Class
JIS class B
Humidity
signal
37
37
Communications cable length 5 m
Operating temperature 0 to 55°C, humidity of 95% max.
and humidity range
(See note 3.)
Storage temperature
and humidity range
(See note 3.)
−20 to 60°C, humidity of 95% max.
Degree of protection
IP 20 equivalent
Weight
ES2-HB: Approx. 41 g (excluding cables)
ES2-THB: Approx. 43 g (excluding cables)
Note: 1. The maximum ripple voltage of 2% p-p max.
The recommended power supply is the OMRON S8JX or
S8VS.
2. ES2-THB only.
3. Do not use or store the Sensor for an extended period at a
humidity of 90% or more.
4. Pt100 (JIS C 1604-1989) is used for the measuring elements.
Set Pt100 for input sensor type of the Temperature Controller.
4 dia.
ES2-M Humidity Sensor Module
21
12.7
17.5
Note: Firmly insert the connector all the way in when mounting the
ES2-M to the Sensor.
1
ES2-HB ES2-THB
Precautions for Safe Use
Do not use the product in the following locations:
•
•
•
•
Locations subject to water splashing or oil contact
Locations subject to dust or corrosive gases
Locations subject to icing or condensation
Locations subject to direct sunlight
Connection Examples
ES2-HB Humidity Sensor
ES2-THB Temperature/Humidity
Sensor
ES2-THB
ES2-HB
Yellow
Green
Brown
Controller
or PT
White
White
+
A
B
B
+
1 to 5 V
−
−
Red
Black
Red
24 VDC
DC power supply
Black
GND
Temperature input
(platinum resistance
thermometer)
Controller or PT
Humidity input (1 to 5 V)
Controller or PT
24 VDC
DC power supply
GND
Shield (Ground separately.)
Shield (Ground separately.)
Cable Conditions
Item
Model
ES2-HB
ES2-THB
Diameter
AWG22
AWG24
Number of conductors
3
6
Shield
Braided
Braided
Maximum conductive resistance (20°C) 60 Ω/km max.
92 Ω/km max.
Finished outer cable diameter
5.8 mm
5.1 mm
Note: Provide a separate cable according to the details listed
at the left if the length of the supplied cable is insufficient.
The cable can be extended to a maximum of 50 m.
2
ES2-HB ES2-THB
Application Examples
Temperature and humidity control for vegetable and fruit
growing rooms
Monitoring and data collection for clean rooms and storage
locations
Digital
Controller
ES2-HB
ES-THB
Alarm lamp
Buzzer
Recorder
Factories and clean rooms
Air
conditioner Humidifier
Heater
Temperature
Controller
Digital Controller
Humidity control for constant-humidity warehouses and
rooms for fermentation or ripening
ES2-HB
Temperature and humidity control for drying
Recorder
Humidifier
or
dehumidifier
Digital
Controller
Office
Dehumidifier
Temperature Digital
Controller Controller
Warehouse
Humidity control for plant factories and greenhouses
ES2-THB
Exit side
ES2-HB
Dry air
Sirocco fan
Heater
Exit
Entrance
Digital
Panel Meter
Recorder
Office
Humidifier
or
dehumidifier
Growing
bed
Digital
Controller
Plastic greenhouse
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
Terms and Conditions Agreement
Read and understand this catalog.
Please read and understand this catalog before purchasing the products. Please consult your OMRON representative if you
have any questions or comments.
Warranties.
(a) Exclusive Warranty. Omron’s exclusive warranty is that the Products will be free from defects in materials and workmanship
for a period of twelve months from the date of sale by Omron (or such other period expressed in writing by Omron). Omron
disclaims all other warranties, express or implied.
(b) Limitations. OMRON MAKES NO WARRANTY OR REPRESENTATION, EXPRESS OR IMPLIED, ABOUT
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
Products or otherwise of any intellectual property right. (c) Buyer Remedy. Omron’s sole obligation hereunder shall be, at
Omron’s election, to (i) replace (in the form originally shipped with Buyer responsible for labor charges for removal or
replacement thereof) the non-complying Product, (ii) repair the non-complying Product, or (iii) repay or credit Buyer an amount
equal to the purchase price of the non-complying Product; provided that in no event shall Omron be responsible for warranty,
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were properly handled, stored, installed and maintained and not subject to contamination, abuse, misuse or inappropriate
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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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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.
2016.5
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 2016 All Right Reserved.
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