Omega Products RH820U Installation Manual

RH820, RH820U USB & DC Power

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INSTRUCTION

SHEET

RH820W Wireless

Hydro Thermometer

M4740/0109

MADE IN TAIWAN

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”LE

“HOLD” key to stop reading, all values are frozen, press
“HOLD” key again to restart reading.

5. “MAX/MIN” Button

Press “MIN/MAX” key to enter the MIN/MAX re­rding mode and REC shows on the display. The

co
beepe

r emits a tone when a new minimum or maximum

measurement is recorded. Press “MIN/MAX” key again

cycle through the current readings:

to
MAX:

The highest measurement recorded.

The lowest measurement recorded.

MIN:

X-MIN: The difference of the highest and the low-

MA

est

measurement.

AVG: The average values of the measurements.

Press “MIN/MAX” key over two seconds to exit the

on. In this mode, press “HOLD” key to stop re-

functi
cording,

all values are frozen, press “HOLD” key again

restart recording. In this mode, the APO function and

to

r keys are disabled, excluding “HOLD” and

othe

-light keys. Press and hold down the “MAX/MIN”

Back

y for more than 2 seconds to exit the MAX/MIN

ke

on.

functi

6. “HOLD” Button

Press the “HOLD” key to enter the data hold mode, the
“HO

LD” annunciator is displayed at the center-left of

y. When data hold mode is selected, the meter held

displa
the present readings and stops all further measurements.
Press the “HOLD” key again to cancel data hold mode,

meter to resume taking measurements.

causing

7. “WB/DP” Button

In the NTC data Mode, the Meter displays ambient
temperature when first turned on. To display wet
bulb (WB) temperature, press “WB/DP” key once. Press
the

“WB/DP” again to switch to dew point (DP) tem-

. Press “WB/DP” a third time returns the Meter

perature

ambient temperature.

to

8. “K/NTC/K-DP” Button

Press the “K/NTC/K-DP” key, the meter can cycle

rough “K-TYPE”, “NTC”, “K-DP”.

th

-DP = K-TYPE temperature minutes Dew point

K
temperature.

9. “SAVE” Button

The save function stores the %RH, K-TYPE, NTC,
Wet bulb, Dew point data in a nonvolatile memory.

the “SAVE” key to save the current data, the word

Press
SAVE is displayed to indicate the data are saved. The

in memory can store up to 256 data.

build

10. “READ”, “ ”, “ ” Button

To recall the readings from memory, press “READ”

y. To check the memorized data just to press “

ke
“ ” until the desired memorized data is displayed. To
return the meter to normal operation, press “READ” key
again.

CLR SAVE DATA:

Pressing the “

rs all the saved data in memory. And lower display

clea

” key for more than 5 seconds to

show

“Clr” about 2 second.

11. WIRELESS MODE: (820W)

Press the “ ” key for more than two seconds to start

wi

reless function. Press the “ ” key again for another

seconds to stop wireless function. The wireless

two
mode will shut down if there is no wireless signal for
two minutes.

To SET CH/ID to 00,00, press the “ ” key and “

powe

r key for more than 6 seconds with the meter pow-

down. The meter will set channel and ID to 00,00

ered

The second display will show 00, which means

status.
that

the channel and ID has been set to 00.

To

check the channel and ID of the meter:

When the meter is off, press “°C/°F” key and “
5 seconds, LCD’s main display will show channel

for
number, the second display will show ID number.

OPERATOR MAINTENANCE

To avoid possible electrical shock, disconnect the

mocouple connectors from the thermometer before

ther

Battery Replacement

1. Power is supplied by 4pcs 1.5V (SIZE AAA) UM-4
.

R03

2. The “ ” appears on the LCD display when replace-

ment is needed. To replace battery remove screw from

of meter and lift off the battery cover.

back

3. Remove the battery from battery contacts and replace.

4. When not use for long time remove battery.

Don’t keep in place with high Temp, or high humidity.

5.

Cleaning

Periodically wipe the case with a damp cloth and deter-

nt, do not use abrasives or solvents.

ge

ware operation manual is on the software disk.

*Soft

OMEGAnet®On-Line Service Internet e-mail

U.S.A.: OMEGA Engineering, Inc.

ISO 9001 Certifie

Canada: 976 Bergar, Laval (Quebec), Canada H7L 5A1

” or

U.S.A. and Sales Service: 1-800-826-6342/1-800-TC-OMEGA
Canada: Customer Service: 1-800-622-2378 1-800-622-BEST

Mexico: En Español: 001 [phone] FAX: [phone]

d One Omega Drive, P.O. Box 4047

For immediate technical or application assistance:

WARNING

removing the cover.

omega.com info@omeg a.co

Servicing North America:

Stamford, CT 06907-0047 US
Toll-Free: 1-800-826-6342 TEL: [phone]
FAX: [phone] e-mail: [e-mail]

Toll-Free: 1-800-826-6342 TEL: [phone]
FAX: [phone] e-mail: info@omega.c

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

[e-mail] e-mail: [e-mail]

A

shoul

Benelux: Managed by the United Kingdom Office

Czech Frystatska 184, 733 01 Karviná, Czech Republic
Republic: Toll-Free: 0800-1-66342 TEL: [phone]

France: Managed by the United Kingdom Office

”

Germany/
Austria:

United OMEGA Engineering Ltd.
Kingdom: One Omega Drive

ISO 9001 Certifie

”

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, an
reserves the right to alter specifications without notice.

These products are not designed for use in, and should not be

WARNING:

used for, human applications

OMEGA EN GINEERING, I NC. warrants this unit to be fr ee of defects in
material

s and workmansh ip for a period o f from da te of pur­chase. OMEGA’s WARRANTY adds a n additio nal one (1) month grace
perio

d to the normal to cover handling and
shipping time. Th is ensures that OMEGA’s c ustomers receive maximum
coverage on each product.

If the unit malfu nctions, it must b e returned to the factor y for evaluation.

s Customer Service Department will is sue an Authorized Return

OMEGA’
(AR

) number immediately upon phone or written request. Upon examination
by OMEGA, if the unit is found to be defective, it will be re paired or replaced
at no charge. OMEGA’s WARRANTY does not apply to defects resulting
fro

m any action of the pu rchaser, including but not limited to mishandling,

imprope

r interfacing, operation outsi de of desig n limits, improper repair, or

thorized modificat ion. This WARRANTY i s VOID if the unit shows

unau
evidenc

e of having been tampered with or shows evidence of havi ng been

d as a result of exce ssive corrosion; or curr ent, heat, moisture or

damage
vibra

tion; improper specification ; misapplication; misuse o r other operating

s outs ide of OMEGA’s control. Component s which wear is not

condition
warranted, include but are not limited to contact points, fuses, and triacs.

m

CONDITIONS: Equipment sold by OMEGA is not intended to be used, nor
shal

l it be used: (1) as a “Basic Component” under 10 CFR 21 (NRC), used
in or with any nuclear installation or a ctivity; or (2) in medical applications or
use

d on humans. S hould any Produc t(s) be used in or with any nuclear

ins

tallation or activity, medical application, used on humans, or misused in

an

y way, OM EGA a ssumes no responsibili ty as se t forth in o ur basic

WARRANT Y / DISCL AIMER languag e, and, ad ditionally, purchase r will

y OMEGA and hold OMEGA harmless from any liability or damage

a

®

®

indemnif
whatsoever arising out of the use of the Product(s) in such

Direct all warranty and repair requests / inquiries to the O MEGA Customer

e D epartmen t. BEF ORE RET URNING AN Y PRODU CT(S) TO

Serv ic

®

OMEGA

, PURCHASER MU ST OBTAIN AN AUTHORIZED RETURN (AR)
R F ROM OMEGA’S CU STOMER SERVICE DEPARTMENT (IN

NUMBE

R TO AVOID PROCES SING DELAYS ). The assigned AR number

ORDE

Servicing Europe:

Toll-Free: 0800 099 3344 TEL: [phone]
FAX: [phone] e-mail: sales@omega.n

FAX: [phone] e-mail: [e-mail]

Toll-Free: 0800 466 342 TEL: [phone]
FAX: [phone] e-mail: sales@omega.f

Daimlerstrasse 26, D-75392 Deckenpfronn, Germany
Tel:+ 49 (0)7056 9398-0 FAX: [phone]
Toll Free in Germany: 0800 639 7678 e-mail: info@omega.d

d River Bend Technology Centre, Northbank

Irlam, Manchester M44 5BD England
Toll-Free: 0800-488-488 TEL: [phone]
FAX: [phone] e-mail: [e-mail]

.

a manner.

l

r

e

d

d then be marked on the outsid e o f the return package and on any
correspondence.
The purchaser is respons ible for shipping c harges, freight, insurance
proper packaging to prevent breakage in transit.

FOR
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 m odel changes, whenever
an im provement is possible. This affords our customers the latest in tech­nology and engineering.
OMEGA is
© Copyright 2009 OMEG A ENGINEERING, I NC. All rights reserved. This
docume n
reduced to any electronic medium or machine-readable form, in whole or in
part, without the prior written consent of OMEGA ENGINEERING, INC.

RETURNS,

a registered trademark of OMEGA ENGINEERING, INC.

t may not be copi ed, p hotocopied, re produced, transl ated, or

FOR
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.

and

Where Do I Find Everything I Need for

Process Measurement

and Control?

OMEGA…Of Course!

Shop online at omega.com

TEMPERATURE

Thermocouple, RTD & Thermistor Probes,
Connectors, Panels & Assemblies
Wire: Thermocouple, RTD & Thermistor
Calibrators & Ice Point References
Recorders, Controllers & Process Monitors
Infrared Pyrometers

PRESSURE, STRAIN AND FORCE

Transducers & Strain Gages
Load Cells & Pressure Gages
Displacement Transducers
Instrumentation & Accessories

FLOW/LEVEL

Rotameters, Gas Mass Flowmeters & Flow
Air Velocity 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, Printers & Plotters

HEATERS

Heating Cable
Cartridge & Strip Heaters
Immersion & Band Heaters
Flexible Heaters
Laboratory Heaters

ENVIRONMENTAL
MONITORING AND CONTROL

Metering & Control Instrumentation
Refractometers
Pumps & Tubing
Air, Soil & Water Monitors
Industrial Water & Wastewater Treatment
pH, Conductivity & Dissolved Oxygen

Computers

Instruments