Omega Engineering HH504 manual Introduction, Safety Information

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INTRODUCTION

This instrument is a 4½ digit, compact-sized portable digital thermometer designed to use external 100W Platinum RTD as temperature sensor. Tem- perature indication follows Reference Temperature/Resistance Tables (Pt385 for European Curve, Alpha=.00385 and Pt3926 for American Curve, Al- pha=.003926).

SAFETY INFORMATION

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

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.

The symbol on the instrument indicates that the operator must refer to an explanation in this manual.

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Contents Omega Omega.comTM Introduction Safety InformationElectrical SpecificationsGeneral EnvironmentalOperating Instructions Power SwitchF Selecting the Temperature Scale Main display Hold Mode only Main displayMIN MAX with Time record Mode only Main display T1/ T2/T1-T2 Main display Input SelectionPt385/Pt3926 T1 Input RTD Probe Select Main display REL Relative mode only Main display F Selecting the Temperature Scale Second display 12 Hi/Lo Limits mode only Main display 10 T1/T2 /T1-T2 second display Input Selection11 Pt385/Pt3926 Input RTD Prob select second display Operator Maintenance Battery ReplacementRTD Probe Connection Temperature VS Resistance TABLEITS90 HH 504 / HH 505 Calibration Procedure Warranty / Disclaimer Temperature