Instruction Manual

LR8400-20 LR8401-20 LR8402-20 MEMORY HiLOGGER

July 2014 Revised edition 7 LR8400B980-07 14-07H

Shop for Power Metering products online at: www.PowerMeterStore.com 1.888.610.7664 HiLogger Firmware Version Information and Upgrades

LAN communication is available with HiLogger firmware version 1.20 and later. (The release date for version 1.20 is June, 2010.)

The HiLogger firmware version is displayed at the upper right on the System screen.

The latest version can be downloaded from Hioki’s website. Please visit our company’s website or contact your dealer or Hioki representative for the version upgrade procedure.

Shop for Power Metering products online at: www.PowerMeterStore.com 1.888.610.7664 i Contents

Contents 1 Introduction ...... 1 Confirming Package Contents ...... 2 2 Safety Information...... 3 Operating Precautions...... 6

Chapter 1 Overview ______13 1.1 Product Overview and Features ...... 13 1.2 Measurement Flow ...... 14 1.3 Names and Functions of Parts, Screen  Configurations ...... 16 1.4 Basic Operation ...... 22  Screen Operations (changing settings, scrolling waveforms,  and displaying values) ...... 22  Starting and Stopping Measurement ...... 23  Disabling Key Operations (Key-Lock Function) ...... 25  Performing Zero Adjustment ...... 25  Saving Data ...... 25  Confirming Inputs (Monitor) ...... 26

Chapter 2 Measurement Preparations ______27 2.1 Attaching Expansion Input Units (as needed) ...... 28 2.2 Using the Battery Pack (Option) ...... 30  Install the Battery Pack ...... 30  Charge the Battery Pack ...... 31 2.3 Connecting the AC Adapter ...... 32 2.4 Making Connections ...... 33  Pre-Connection Inspection ...... 33  Voltage and Thermocouple Temperature Measurement .34  Temperature Measurement with a Resistance Temperature  Detector (RTD) ...... 36  Humidity Measurement ...... 37  Resistance Measurement ...... 39  Pulse Measurement ...... 40

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 Connecting Alarm Outputs ...... 41  +12 V Output Connection (for external sensors) ...... 42  External Control (using TRIG OUT and EXT TRIG) ...... 43 2.5 Turning the Power On and Off ...... 44 2.6 Inserting a CF Card or USB Flash Drive  (when saving data) ...... 45  CF Card Insertion & Removal ...... 46  USB flash drive Insertion & Removal ...... 46  Formatting a CF Card/USB flash drive ...... 47 2.7 Compensating for Input Circuit Offset  (Zero Adjustment) ...... 48

Chapter 3 Settings______49 3.1 Setting Flow Overview ...... 49 3.2 Configuring Measurement Settings ...... 50  Time Setting by Key Operations ...... 50 3.3 Input Channel Settings ...... 53  Key Setting Procedure ...... 53  Voltage Measurement Settings ...... 55  Temperature Measurement Settings (using thermocouples) 56  Temperature Measurement Settings (for RTDs) ...... 58  Humidity Measurement Settings ...... 59  Resistance Measurement Settings ...... 60  Pulse or Logic Measurement Settings ...... 61  Integration (Count) Measurement Settings ...... 62  Revolution Measurement Settings ...... 63 3.4 Data Saving Settings ...... 64 3.5 Waveform Display Settings (as needed) ...... 65  Key Setting Procedure ...... 65  Selecting Waveform Display Color ...... 65  Specifying Vertical Display Range by Magnification and  Zero Position (vertical axis expansion/compression) ...... 66  Specifying the Vertical Display Range by Upper and  Lower Limits (expansion/compression) ...... 67  Setting the Display Time Base  (horizontal axis magnification) ...... 68 3.6 Scaling Settings (as needed) ...... 69

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3.7 Entering Titles and Comments (as needed) ...... 71 3.8 Suppressing Noise (Enable Digital Filtering) ...... 73 3.9 Viewing and Editing with the All-Channel  Settings List .