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1

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 voltages

at the measurement surface exceed 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 portable 3½ digit, compact-sized digital thermometer

designed to use external K-type thermocouple as temperature sensor. Tem-
perature indication follows Reference Temperature/Voltage Tables (N.I.S.T.
Monograph 175 Revised to ITS-90) for K-type thermocouples.

SAFETY  INFORMATION

It is recommended that you read the safety and operation instructions before

using the thermometer.

Summary of Contents for HH501DK

Page 1: ...OMEGA HH501DK Digital Thermometer ...

Page 2: ...ll Free in Germany 0800 82 66342 e mail nl omega com e mail germany omega com 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 czech omega com Tel 44 161 777 6611 FAX 44 161 777 6622 France 9 rue Denis Papin 781...

Page 3: ...ated 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 portable 3 digit compact sized digital thermometer designed to use external K type thermocouple as temperature sensor Tem perature indication follows Reference Temperature Voltage Tables N I S T Monograph 175 Revised to ITS 90 for K...

Page 4: ...ncluding thermocouple error 0 3 rdg 1 C 50 C to 1000 C 0 5 rdg 1 C 1000 C to 1300 C 0 3 rdg 2 F 58 F to 2000 F Temperature Coefficient 0 1 times the applicable accuracy specification per 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 Reading Rate 2 5 times per second Input Connector Acc...

Page 5: ...R H Storage Temperature 20 C to 60 C 4 F to 140 F 70 R H GENERAL Display 3 digit liquid crystal display LCD with maximum reading of 1999 Battery Standard 9V battery Battery Life 200 hours typical with carbon zinc battery Dimensions 192mm H x 91mm W x 52 5mm D Weight 365g ...

Page 6: ...mometer allows two choices of resolution High resolution 0 1 C or 0 1 F Low resolution 1 0 C or 1 0 F To select the alternate display resolution press the corresponding 0 1 1 key HOLD Mode Press HOLD button to toggle in and out of Hold mode In the Hold mode the H annunciator is displayed The Hold mode may be exited when changing function Display Back Light Pressing the key to toggle turn on or tur...

Page 7: ...ress HOLD again to resume recording T1 T2 T3 T4 T1 T2 T1 T3 T1 T4 Temperature Measurement 1 The function switch indicates which input is selected for display T1 thermocouple T2 thermocouple T3 thermocoupleor T4 thermocouple or the difference between the two thermocouples T1 T2 T1 T3 T1 T4 2 Connect a type k thermocouple to the jack on the instrument Place the probe or thermocouple tip on or in the...

Page 8: ...r before removing the cover Battery Replacement Power is supplied by a 9 volt transistor battery NEDA 1604 IEC 6F22 The appears on the LCD 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 ...

Page 9: ... to the T1 0 1 C and then apply 0 C to T1 input T2 input open adjust R3 and R4 fine adj until LCD reading reads 0 0 0 1 C 2 Set the range to the T2 0 1 C and then Apply 0 C to T2 input T1 input open adjust R1 and R2 fine adj until LCD reading reads 0 0 0 1 C 3 Set the range to the T1 0 1 F and then apply 0 F to T1 input T2 input open adjust R6 until LCD reading reads 0 0 0 1 F 4 Set the range to t...

Page 10: ...ity or otherwise 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...

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