Hioki LR8401-20 - User Manual

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LR8400-20

LR8401-20

LR8402-20

MEMORY HiLOGGER

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

Instruction Manual

Main Page

Default Chapter5
- Table of Contents5
- Contents13
Introduction13
Confirming Package Contents14
Safety Information15
Operating Precautions18
Chapter 1 Overview25
- Product Overview and Features25
- Measurement Flow26
- Names and Functions of Parts, Screen  Configurations28
- Basic Operation34
Chapter 2 Measurement Preparations39
- Attaching Expansion Input Units (as Needed)40
- Using the Battery Pack (Option)42
  - Install the Battery Pack42
  - Charge the Battery Pack43
- Connecting the AC Adapter44
- Making Connections45
- Turning the Power on and off56
- Inserting a CF Card or USB Flash Drive (When Saving Data)57
- Compensating for Input Circuit Offset  (Zero Adjustment)60
Chapter 3 Settings61
- Setting Flow Overview61
- Configuring Measurement Settings62
  - Time Setting by Key Operations62
- Input Channel Settings65
- Data Saving Settings76
- Waveform Display Settings (as Needed)77
- Scaling Settings (as Needed)81
- Entering Titles and Comments (as Needed)83
- Suppressing Noise (Enable Digital Filtering)85
- Viewing and Editing with the All-Channel Settings List86
Chapter 4 95
Observing Measurements and Data95
- Confirming Measured Values, and Starting Measurement95
- Observing Waveforms97
- Marking Waveforms and Searching Marks (Search Function)105
Chapter 5 111
Specifying Criteria for Measurements111
- About Triggering111
- Triggering Measurement Start and Stop112
- Alarm Output121
  - Checking Alarm Criteria121
  - Alarm Settings123
- Confirming All Trigger and Alarm Criteria Settings126
- Periodic (Timer) Measurements127
- Measurement with Trigger and Timer Functions129
- Trigger Setting Examples131
Chapter 6 133
Saving & Loading Data133
- About Saving and Loading Data133
  - What Happens to Data in a Power Outage135
  - Preparation for Power Outages During Long-Term Measurements135
- Saving Data136
- Loading Data on the Hilogger144
  - Loading a Setting Configuration144
  - Loading Waveform Data and Screen Images146
- Data Management147
- Transferring Data to a PC (USB Drive Mode)152
  - Select the USB Drive Mode152
  - Connecting the USB Cable153
Chapter 7 155
Numerical Calculations/Waveform Calculations155
- Calculate Average, Maximum, Minimum, and Etc155
- Numerical Value Calculation Expressions160
- Waveform Calculations161
  - Key Setting Procedure161
Chapter 8 163
System Environment Settings163
- Key Setting Procedure164
- Operation Settings164
  - Using the Auto-Resume Function (Resume after Power Restora- Tion)164
  - File Protection Level Setting165
- Screen Key Operation Settings165
- CSV File Saving Settings168
- External Trigger Input Settings169
  - Selecting the External Trigger Function169
  - Set Alarm Event Marking169
- Making System Settings170
Chapter 9 External Control173
- External Trigger Input173
- External Signal Output (Trigger Output)174
- Alarm Signal Output (Alarm Output)175
- Synchronous Measurements with Multiple Hiloggers176
  - Connection to a PC(Communication)177
    - Communication Features177
Chapter 10 Connection to a PC(Communication)177
- USB Settings and Connections178
- LAN Settings and Connections (before Connecting to the Network)190
- Using the Logger Utility199
  - Starting and Ending Logger Utility199
- Remote Measurement with the HTTP Server Function200
- Transferring Data to a PC with the FTP Server205
  - Restricting FTP Server Connections (FTP Authentication)207
  - Function208
- Auto Sending Data Using the FTP Client Function208
- Sending E-Mail228
- About Communications Commands235
  - Configuring Communications Command Operation235
Chapter 11 Specifications237
- LR8400-20, LR8401-20, LR8402-20 Memory Hilogger Specifications237
- LR8500 Voltage/Temp Unit Specifications252
- LR8501 Universal Unit Specifications253
Chapter 12 255
Maintenance and Service255
- Inspection, Repair, and Cleaning255
- Troubleshooting256
- Disposing of the Hilogger258
  - Removing the Lithium Battery258
Appendix261
- Appendix 1 Scan Timing261
- Appendix 2 Error Messages and Remedial Actions262
- Appendix 3 File Naming268
- Appendix 4 Text File Internal Format269
- Appendix 5 Binary File Size Calculation270
- Appendix 6 List of Default Settings271
- Appendix 7 Maximum Recordable Time272
- Appendix 8 Concerning Noise Countermeasures273
- Appendix 9 Frequently Asked Questions279
- Appendix 10Introduction to Measurement Applications A26286
  - Measuring Electrical Energy by Pulse Count286
  - Connect a 4-20 Ma Output Device and Record the Average Value Every Minute288
- Appendix 11Input Circuit Diagram290
Index291

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Hioki LR8401-20 Specifications

General

Type	Data Logger
Model	LR8401-20
Number of channels	20
Display	LCD
Power Supply	AC adapter or battery
Input Type	Voltage, Thermocouple, Resistance
Sampling Rate	100 ms to 1 hr
Communication Interface	USB
Accuracy	±0.1% of reading
Operating Temperature	0°C to 50°C
Pulse Input	No
Measurement Range (Temperature)	-200 to 1372 °C (K), -200 to 400 °C (T), -200 to 1000 °C (E), 0 to 1768 °C (R), 0 to 1768 °C (S), 0 to 1820 °C (B), -100 to 400 °C (N), -200 to 400 °C (J)
Recording Interval	100 ms to 1 hr