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Operation Manual of Pocket Type Intelligent Scanning Digital

Multimeter

Index

1.

Overview

………………………………………………………………………………………………………………………..1

2.

Safety precautions

……………………………………………………………………………………………………………….1

3.

Characteristics

…………………………………………………………………………………………………………………...1

4.

Operation panel instructions

……………………………………………………………………………………………………

3

5.

T

echnical Specifications

……………………………………………………………………………….…

………..

.…….

NNNNNNNN

4

6.

Automatic switch machine

………………………………………………………………………………….…

………..

.……..8

7.

Troubleshooting

……………………………………………………………………………………….

NNNNNNNNNNNNNNN

…………….8

Summary of Contents for ET8138

Page 1: ...of Pocket Type Intelligent Scanning Digital Multimeter Index 1 Overview 1 2 Safety precautions 1 3 Characteristics 1 4 Operation panel instructions 3 5 Technical Specifications 4 6 Automatic switch ma...

Page 2: ...superior tool and an ideal tool for laboratories factories radio enthusiasts and families 2 Safety Precautions This series of instruments is designed in accordance with IEC1010 Safety Standards promul...

Page 3: ...haracteristics 2 1 Accuracy a of reading least significant digit to ensure accuracy Ambient temperature 23 5 relative humidity 75 calibration guarantee period from the date of manufacture for one year...

Page 4: ...frequency and buzzer Black is the negative end of the input Note 1 The back light is always on LCD is highlighted and the user is constantly on In use the instrument will not turn off the power supply...

Page 5: ...the red test lead is greater than 0 8V regardless of the AC voltage or the DC voltage the meter will compare the DC component and the AC component take the larger component signal and then according...

Page 6: ...if the voltage in the loop is greater than 0 8V the meter will mistake it for voltage measurement and enter the electricity measurement mode 2 5 When measuring the value at the negative end of the bl...

Page 7: ...ill be displayed on the LCD The capacitance measurement range is 10nF 100nF 1uF 10uF 100uF 1mF 10mF 60mF Note 1 When measuring capacitance with 10nF file there may be residual reading on the screen di...

Page 8: ...e contact with the point the black meter end is suspended and does not contact any test point if the test point is live wire the LCD will display OL and the buzzer will send continuous sound 6 Frequen...

Page 9: ...completely welded at the input end there will be certain data on the LCD In the design we define the manual DC voltage level the input end has 10 words the AC voltage level has 100 words and the capac...

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