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MEMORY HiCORDER

Measurement Guide (Memory Recorder)

MR8870-20

May 2014 Edition 1 MR8870B980-00 14-05H

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Summary of Contents for MEMORY HiCORDER MR8870-20

Page 1: ...MEMORY HiCORDER Measurement Guide Memory Recorder MR8870 20 May 2014 Edition 1 MR8870B980 00 14 05H...

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Page 3: ...ns waveforms and describes how to save data after measurement To Monitor for Abnormal Phenomena p 8 Describes how to record abnormal phenomena such as voltage drop like those that occur during electri...

Page 4: ...d hides the measurement scale on the Waveform screen Manual trigger Press to trigger manually ESC Cancels changes to set tings Cursor Keys Moves the position of the cursor blink ing selection on the s...

Page 5: ...onal information is dis played along the bottom of the screen Waveform Screen Numerical Screen Waveform Numerical Screens Settings Screens Setting Screen Calc Save Screen Comment Screen System Screen...

Page 6: ...e backup during power outages and to preserve measurement data Connect the power cord Top View Connect the measurement cable When using a logic probe When using a connection cable or clamp sensor Top...

Page 7: ...l axis Voltage range Rng div Make other settings as necessary Timebase setting Settings for CH1 Settings for CH2 Settings for logic measurements To record repeatedly with the same measurement settings...

Page 8: ...CH1 Connect to power outlet 1 2 3 5 4 Turn the power on 2 Configure measurement settings Make the following settings on the Measurement Settings screen 1 2 How to select the timebase The timebase can...

Page 9: ...orm is recorded for the specified duration Recording Length Trigger level 0 V Trigger slope T In this case measurement data is recorded until you press the START STOP key again Waiting for trigger 4 S...

Page 10: ...onfigure measurement settings 1 2 With pre triggering you specify that waveform recording is to begin just prior to the occurrence of an anomaly like a momentary interruption Pre triggering is set by...

Page 11: ...t is inserted correctly Select Apply Press the START STOP key A trigger occurs when the commercial mains voltage falls below 198 Vrms After measuring the measurement data is auto matically saved to th...

Page 12: ...ment Procedure p 4 2 Configure measurement settings Make the following settings on the Measurement Settings screen 1 2 Convert actual input voltage values to physical val ues such as of current using...

Page 13: ...information see the separate Measurement Guide RMS Recorder 3 Start and stop measurement Measuring RMS Waveforms Press the START STOP key A trigger event occurs when the signal rises to the trigger l...

Page 14: ...he portion of a waveform that is currently displayed can be confirmed by the position of the scroll bar Whole Waveform Currently Displayed Portion Zooming the Waveform View When the A B cursors are di...

Page 15: ...e Cursor B values Cursor type The values at the cursors are displayed Cursor selected to move When displaying only voltage values or recording time You can change the type of cursor to display As ship...

Page 16: ...how to apply calculations to measured data Calculate Measurement Data Make the following settings on the Calc Save screen 1 2 Set Numerical Calculation to ON and select up to four calculation types fo...

Page 17: ...ther than settings 14 03 30 Date 14 04 01 Up to 1000 files Automatically saved folder including its creation time CONFIG0001 SET CONFIG0002 SET WAVE0001 MEM AUTO131031 WAVE0002 MEM LIST0001 BDL LIST00...

Page 18: ...70 20 is accessed from a computer screens oth er than the File screen can be displayed while not measuring While measuring or viewing the File screen on the MR8870 20 it cannot be recognized by the co...

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