Omega Engineering HH501BJ Manuale utente

OMEGA

HH501BJ

Digital Thermometer

OMEGAnetSM On-Line Service

http://www.omega.com

Internet e-mail

[email protected]

Servicing North America:

USA: ISO 9001 Certified Canada:

One Omega Drive, Box 4047 976 Bergar

Stamford, CT 06907-0047 Laval (Quebec) H7L5A1

Tel: (203) 359-1660 Tel: (514) 856-6928

FAX: (203)359-7700 FAX: (514) 856-6886

e-mail: [email protected] e-mail: [email protected]

omega.com

For immediate technical or application assistance:

USA and Canada: Mexico and Latin America:

Sales Service: 1-800-826-6342 / 1-800-TC-OMEGASM Tel: (95) 800-TC-OMEGASM

Customer Service: 1-800-622-2378 / 1-800-622-BESTSM FAX: (95) 203-359-7807

Engineering Service: 1-800-872-9436 / 1-800-USA-WHENSM En Español: (203) 359-7803

TELEX: 996404 EASYLINK: 62968934 CABLE: OMEGA e-mail: [email protected]

Servicing Europe:

Benelux: Germany/Austria:

Postbus 8034, 1180 LA Amstelveen, Daimlerstrasse 26, D-75392

The Netherlands Deckenpfronn, Germany

Tel: (31) 20 6418405 FAX: (31) 20 6434643 Tel: 49 (07056) 3017 FAX: 49 (07056) 8540

Toll Free in Benelux: 06 0993344 Toll Free in Germany: 0800 82 66342

e-mail: [email protected] e-mail: [email protected]

Czech Republic: United Kingdom: ISO 9002 Certified

ul. Rude armady 1868, 733 01 Karvina- One Omega Drive

Hranice, Czech Repubic Riverbend Technology Centre Northbank, Irlam,

Tel: 420 (69) 6311627 FAX: 420 (69) 6311114 Manchester, M44 5EX, England

e-mail: [email protected] Tel: 44 (161) 777-6611 FAX: 44 (161) 777-6622

France:

9, rue Denis Papin, 78190 Trappes Toll Free in England: 0800-488-488

Tel: (33) 130-621-400 FAX: (33)130-699-120 e-mail: [email protected]

Toll Free in France: 0800-4-06342

e-mail: [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, patient connected application.

The symbol on the instrument indicates that the operator must refer to an

explanation in this manual.

WARNING

To avoid electrical shock, do not use this instrument when working

voltages at the measurement surface over 24V AC or DC.

WARNING

To avoid damage or burns, do not make temperature

measurement in microwave ovens.

CAUTION

Repeated sharp flexing can break the thermocouple leads. To prolong

lead life, avoid sharp bends in the leads, especially near the connector.

INTRODUCTION

This instrument is a 3½ digit, compact-sized portable digital thermometer

designed to use external J-type thermocouples as temperature sensor.

Temperature indication follows Reference Temperature/Voltage Tables

(N.I.S.T. Monograph 175 Revised to ITS-90) for J-type thermocouples.

SAFETY INFORMATION

Itisrecommendedthatyoureadthesafetyandoperationinstructionsbefore

using the thermometer.

SPECIFICATIONS

ELECTRICAL

Temperature Scale: Celsius or Fahrenheit user-selectable.

Measurement Range:

-210°C to 1200°C, -346°F to 1999°F

Resolution: 0.1°C , 0.1°F

(-59.9°C to 199.9°C ,-59.9°F to 199.9°F)

1°C , 1°F on other range

Accuracy:Accuracyisspecifiedforoperatingtemperaturesovertherangeof

18°C to 28°C (64°F to 82°F), for 1 year, not including thermocouple error.

±(0.1% rdg + 1.0°C) on -60°C to 1200°C

±2.0°C on -60°C to -210°C

±(0.1% rdg + 2.0°F) on -60°F to 1999°F

±4.0°F on -60°F to -346°F

TemperatureCoefficient:0.1timestheapplicableaccuracyspecificationper

°C from 0°C to 18°C and 28°C to 50°C (32°F to 64°F and 82°F to 122°F).

Input Protection: 24V dc or 24V ac rms maximum input voltage on any

combination of input pins.

Maximum Differential Common Mode Voltage (Maximum Voltage be-

tween T1 and T2 during measurement): 1volt.

Reading Rate: one time per second.

InputConnector:Acceptsstandardminiaturethermocoupleconnectors(flat

blades spaced 7.9mm, center to center).

ENVIRONMENTAL

Ambient Operating Ranges: 0°C to 50°C (32°F to 122°F) <80% R.H.

Storage Temperature: -20°C to 60°C (-4°F to 140°F) <70% R.H.

GENERAL

Display: 3½digitliquidcrystaldisplay (LCD)withmaximum readingof1999.

Overload: "-OL" is display.

Battery: Standard 9V battery.

Battery Life: 100 hours typical.

Auto power off: The meter key switch inactive for more than 30 minutes,

press power key to resume operation.

Dimensions: 192mm(H) x 91mm(W) x 52.5mm(D).

Weight: 365g.

OPERATING INSTRUCTIONS

Power Switch

The key turns the thermometer on or off. In the MIN MAX record mode

can not power off, must leave MIN MAX record mode then power off.

°C °F Selecting the Temperature Scale

Readings is displayed in either degrees Celsius(°C) or degrees

Fahrenheit(°F). When the thermometer is turned on, it is set to the

temperature scale that was in use when the thermometer was last turned

off. To change the temperature scale, press the °C or °F key.

"" Button

Press" "button totoggle onandoffofbacklight. Thebacklightwillswitch-

off automatically after 30 seconds.

HOLD Mode

Pressing the HOLD key to enter the Data Hold mode, the "HOLD" annun-

ciator is displayed. When HOLD mode is selected, the thermometer held

the present readings and stops all further measurements.

PressingtheHOLDkeyagaintocancelHOLDmodecausing thermometer

to resume taking measurements.

In the MIN/MAX recording mode, press HOLD key to stop the recording.

Press HOLD key again to resume recording. (Previously recorded reading

are not erased).

MIN MAX record Mode

Press MIN MAX key to enter the MIN MAX Recording mode, (displays the

Maximum reading, Minimum reading, "MAX-MIN" reading and Average

reading stored in record mode). In the this mode the automatic power-off

feature is disabled and key, °C °F key, REL key, SET key, Hi/Lo Limits

key, T1 T2 T1-T2 key are disabled.The beeper emits a tone when a new

minimum or maximum value is recorded.

Push MIN MAX key to cycle through the MAX, MIN, MAX-MIN and AVG

readings.

If an overload is recorded, the averaging function is stopped and average

value display"-OL".

In the this mode, press HOLD key to stop the recording of readings, all

values are frozen, press again to restart recording.

To prevent accidental loss of MIN, MAX, "MAX-MIN" and AVG data, in this

mode can only be cancelled by pressing and hold down the MIN MAX key

for 2 seconds to exit and erased recorded readings.

T1 T2/T1-T2

The input selection indicates which input is selected for display; T1

thermocouple,T2thermocoupleorthedifferencebetweenthetwothermo-

couples (T1-T2), when the thermometer is turned on, When the thermom-

eter is turned on, it is set to the input selected that was in use when the

thermometer was last turned off.

7 8 9

REL Relative mode (only Main display)

Pressing REL key to enter the Relative mode, zero the display, and store

the displayed Reading as a reference value and annunciator REL is

displayed. Press REL key again to exit the relative mode.

The relative value can also be entered by the user. (See "SET mode" later

in this manual.)

WhenthedesiredRelativevaluehasbeenentered,pressRELkeytoenter

the Relative mode, press SET key use set Relative value as a reference

value. Press REL key again to exit the relative mode.

In the Relative mode, the value (can not >±2000.0 counts) shown on the

LCDisalwaysthedifferencebetweenthestoredreferenceandthepresent

reading.

SET mode (Relative value set and Hi/Lo Limits value set)

1. Press SET key to enter Relative valuse SET mode (Press ENTER key

canescaperelativevalusesetmode),RELsetmode._===.=isdisplayed

(the ".=" is displayed when you set up the fourth number).Relative value is

entered via overlay numbers, when you want to get negative values push

(- 0) key for end of numbers, then press overlay ENTER key, stored the

relative value, enter Hi/Lo Limits value set mode.

2. Hi Limit value set mode, (Press ENTER key can escape Hi Limit value

set mode), _ = = =.= is displayed (the ".=" is displayed when you set up the

fourth number), Hi Limit value is entered via overlay numbers, when you

want to get negative values push (- 0) key for end of numbers, then press

overlayENTERkey,storedthe HiLimitvalue,enterLoLimitvaluesetmode

(Press ENTER key can escape Lo Limit value set mode), _ = = =.= is

displayed(the".="isdisplayedwhenyousetupthefourthnumber),LoLimit

valueisenteredviaoverlaynumbers,whenyouwanttogetnegativevalues

push (- 0) key for end of numbers, then press overlay ENTER key, stored

the Lo Limit value and exit set mode.

3.IntheHi/LoLimitsmode,thevaluecannot>±2000.0counts.allvaluewill

be memorized until yor reset it.

Hi/Lo LIMITS mode

Press Hi/Lo LIMITS key to enter the Hi/Lo Limits comparative mode,

"LIMIT" is displayed. In the this mode the automatic power-off feature is

disabledandother funtion keyaredisabled, when inputtemperaturevalue

exceed Hi. The beeper emits a continuity pulse tone and "Hi" is displayed,

and when input temperature value exceed Lo value.The beeper emits a

discontinuous pulse tone and "Lo" is displayed. Press Hi/Lo LIMITS key

again to exit the Hi/Lo LIMITS mode.

OPERATOR MAINTENANCE

WARNING

To avoid possible electrical shock, disconnect the thermocouple

connectors from the thermometer before removing the cover.

Battery Replacement

Powerissuppliedbya9volt"transistor"battery.The" "appearsontheLCD

display when replacement is needed. To replace the battery, remove the two

screws from the back of the meter and lift off the battery cover. Remove the

battery from battery contacts.

Indice

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