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Servicing North America:

USA:

One Omega Drive, Box 4047

ISO 9001 Certified

Stamford CT 06907-0047
Tel: (203) 359-1660

FAX: (203) 359-7700

e-mail: [email protected]

Canada:

976 Bergar
Laval (Quebec) H7L 5A1, Canada
Tel: (514) 856-6928

FAX: (514) 856-6886

e-mail: [email protected]

For immediate technical or application assistance:

USA and Canada:

Sales Service: 1-800-826-6342 / 1-800-TC-OMEGA

®

Customer Service: 1-800-622-2378 / 1-800-622-BEST

®

Engineering Service: 1-800-872-9436 / 1-800-USA-WHEN

®

TELEX: 996404   EASYLINK: 62968934   CABLE: OMEGA

Mexico:

En Espan˜ol: (001) 203-359-7803

e-mail: [email protected]

FAX: (001) 203-359-7807

[email protected]

Servicing Europe:

Benelux:

Postbus 8034, 1180 LA Amstelveen, The Netherlands
Tel: +31 (0)20 3472121

FAX: +31 (0)20 6434643

Toll Free in Benelux: 0800 0993344
e-mail: [email protected]

Czech Republic:

Frystatska 184, 733 01 Karvina´, Czech Republic
Tel: +420 (0)59 6311899

FAX: +420 (0)59 6311114

Toll Free: 0800-1-66342

e-mail: [email protected]

France:

11, rue Jacques Cartier, 78280 Guyancourt, France
Tel: +33 (0)1 61 37 2900

FAX: +33 (0)1 30 57 5427

Toll Free in France: 0800 466 342
e-mail: [email protected]

Germany/Austria:

Daimlerstrasse 26, D-75392 Deckenpfronn, Germany
Tel: +49 (0)7056 9398-0

FAX: +49 (0)7056 9398-29

Toll Free in Germany: 0800 639 7678
e-mail: [email protected]

United Kingdom:

One Omega Drive, River Bend Technology Centre

ISO 9002 Certified

Northbank, Irlam, Manchester
M44 5BD United Kingdom 
Tel: +44 (0)161 777 6611

FAX: +44 (0)161 777 6622

Toll Free in United Kingdom: 0800-488-488
e-mail: [email protected]

OMEGAnet

®

Online Service 

Internet e-mail

www.omega.com [email protected]

It is the policy of OMEGA to comply with all worldwide safety and EMC/EMI regulations that 
apply. OMEGA is constantly pursuing certification of its products to the European New Approach
Directives. OMEGA will add the CE mark to every appropriate device upon certification.

The information contained in this document is believed to be correct, but OMEGA Engineering, Inc. accepts 
no liability for any errors it contains, and reserves the right to alter specifications without notice.

WARNING: 

These products are not designed for use in, and should not be used for, human applications.

Содержание EWS-RH

Страница 1: ...www omega com e mail info omega com User sGuide EWS RH Relative Humidity Temperature Transmitter MADE IN Shop online at ...

Страница 2: ... Guyancourt France Tel 33 0 1 61 37 2900 FAX 33 0 1 30 57 5427 Toll Free in France 0800 466 342 e mail sales omega fr Germany Austria Daimlerstrasse 26 D 75392 Deckenpfronn Germany Tel 49 0 7056 9398 0 FAX 49 0 7056 9398 29 Toll Free in Germany 0800 639 7678 e mail info omega de United Kingdom One Omega Drive River Bend Technology Centre ISO 9002 Certified Northbank Irlam Manchester M44 5BD United...

Страница 3: ...ity Temperature Transmitter i Page General Description 1 Unpacking 1 Theory of Operation 1 Mounting 3 RH Temperature Calculations 5 Calibration 6 Relative Humidity Calibration Procedure 6 Temperature Calibration Procedure 7 Specifications 8 ...

Страница 4: ...r ii Figure Page Figure 1 Mounting Diagram 3 Figure 2 Transmitter Wiring Examples For Current Output 4 Figure 3 Transmitter Wiring Examples For Voltage Output 4 Figure 4 Relative Humidity Calibration Procedure 6 Figure 5 Temperature Calibration Procedure 7 ...

Страница 5: ...ve any questions about the shipment please call our Customer Service Department at 1 800 622 2378 or 203 359 1660 On the web you can find us at www omega com e mail cservice omega com When you receive the shipment inspect the container and 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 h...

Страница 6: ...ectrical noise interference and the loop can support more than one measuring instrument as long as the maximum loop resistance is not exceeded A typical application utilizing a current loop will normally consist of a power supply the transmitter and a meter recorder or controller to measure the current flow The loop resistance in the sum of the measuring instruments and wire used The maximum allow...

Страница 7: ...and condensing moisture such as manufacturing clean rooms computer rooms and laboratory type environments Plastic wall anchors and mounting screws are included for mounting to standard wallboard A conduit box mounting bracket wall plate adapter kit is also available as an option that will allow the transmitter to be mounted to a standard electrical conduit box Order OMEGA Model No EWS MB Figure 1 ...

Страница 8: ...xamples For Voltage Output 1 5 Vdc EWS RH RELATIVE HUMIDITY OUTPUT PROCESS PANEL METER POWER SUPPLY 1 6 44 5 4 3 2 EWS RH TEMPERATURE OUTPUT PROCESS PANEL METER POWER SUPPLY 1 6 72 F 5 4 3 2 EWS RH RELATIVE HUMIDITY OUTPUT PROCESS PANEL METER POWER SUPPLY 1 6 44 5 4 3 2 EWS RH TEMPERATURE OUTPUT PROCESS PANEL METER POWER SUPPLY 1 6 72 F 5 4 3 2 ...

Страница 9: ...s Output Reading Temperature Measured Vs Output Reading Relative Output Humidity Current mA Voltage Vdc 5 4 8 1 2 10 5 6 1 4 15 6 4 1 6 20 7 2 1 8 25 8 2 30 8 8 2 2 35 9 6 2 4 40 10 4 2 6 45 11 2 2 8 50 12 3 55 12 8 3 2 60 13 6 3 4 65 14 4 3 6 70 15 2 3 8 75 16 4 80 16 8 4 2 85 17 6 4 4 90 18 4 4 6 95 19 2 4 8 Temperature Output C F Current mA Voltage Vdc 15 5 4 1 10 14 5 07 1 27 0 32 7 20 1 80 10...

Страница 10: ...ustable If P3 is disturbed the transmitter will need to be returned to the factory for service 1 Remove enclosure cover 2 Connect transmitter as shown in figure below 3 Apply power to transmitter and allow to warm up for 15 min 4 Place sensor in a 20 RH environment and allow to stabilize for 20 min 5 Adjust potentiometer P1 for a output reading of 7 2 mA 6 Place sensor in a 80 RH environment and a...

Страница 11: ...ut from transmitter and reference probe to stabilize 6 Observe the reading on the handheld thermometer coming from the reference probe 7 Without touching the unit with your hand adjust potentiometer P4 for a current output of the transmitter that matches the temperature measured by the reference probe Note if you hold the unit with your hand the unit will sense heat from your hand and cause a bad ...

Страница 12: ... Capacitor Temperature Specifications Range 5 to 140 F 15 to 60 C Accuracy 25 C In Still Air 1 2 F 0 7 C 25 C 2 5 F 1 4 C across full range In Moving Air 2 5 F 1 4 C 25 C 3 F 1 7 C across full range Note Not recommended for fast moving air applications Repeatability 0 5 F 0 3 C Output 4 20 mA or 1 5 Vdc scaled across range Temp Time Constant for 63 2 response 9 sec in moving air 1 M sec 30 sec in ...

Страница 13: ...9 NOTES EWS RH Relative Humidity Temperature Transmitter ...

Страница 14: ...10 NOTES EWS RH Relative Humidity Temperature Transmitter ...

Страница 15: ...se 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...

Страница 16: ...ocity Indicators Turbine Paddlewheel Systems Totalizers Batch Controllers pH CONDUCTIVITY pH Electrodes Testers Accessories Benchtop Laboratory Meters Controllers Calibrators Simulators Pumps Industrial pH Conductivity Equipment DATA ACQUISITION Data Acquisition Engineering Software Communications Based Acquisition Systems Plug in Cards for Apple IBM Compatibles Datalogging Systems Recorders Print...

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