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2

Chapter 1 Precautions

1.1 Check Items Inside the Package

After receiving the product you’ve purchased, please check it first.

Please check it in accordance with the list provided. If there are any

items missing, please contact our company or the distributor to protect

your rights.

List

Instrument

1 unit

Power Cord

1 piece

Test Line

1 piece

User Manual

1 copy

Certificate of

Conformity/Warranty

Card

1 copy

Содержание ET51 Series

Страница 1: ...ET51X Series DC Low Resistance Tester User Manual Hangzhou Zhongchuang Electron Co Ltd East Tester...

Страница 2: ...duction to Product Functions 2 3 Product Specifications 2 4 Introduction to the Button Area Chapter 3 Measurement Operations and Sorting Settings 3 1 Test Flow Chart 3 2 Introduction to Key Steps 3 3...

Страница 3: ...d please check it first Please check it in accordance with the list provided If there are any items missing please contact our company or the distributor to protect your rights List Instrument 1 unit...

Страница 4: ...operated away from the following environments to avoid inaccurate measurement results or instrument accidents Environments with excessive dust Excessively high or low temperatures Direct sunlight Str...

Страница 5: ...cumstances 2 Do not use power sources with voltages outside the specified range 3 Preheat the instrument for ten minutes before use to ensure the stability of the internal parameters of the instrument...

Страница 6: ...pes of DC resistances in fuses conductive rubber etc The ET51X features a large LCD display with clear readability The measuring range spans from 20m to 20k 2M optional with seven ranges nine ranges o...

Страница 7: ...roduct Functions 1 Introduction to the Front Area 1 Interface Display Area It displays measurement data and the current function status 2 Function Button Area It includes Range Backlight direction but...

Страница 8: ...and test probe terminal 2 Introduction to the Back Area 4 Power Terminal It is designed for connecting three core power cord 5 External Communication Interface Available interfaces are RS232 RS485 an...

Страница 9: ...Sorting Function Standard Test Method Four wire Trigger Mode Internal Manual External Open Circuit Voltage 5V Range Mode Auto Locked External Interface Standard RS232 interface HANDLER interface Opti...

Страница 10: ...using the left right or up down buttons 2 Speed Button SPEED For switching measurement speed 3 Beep Button BEEP For choosing whether the Buzzer sounds under U_H_Lim Pass D_L_ Lim conditions or disabl...

Страница 11: ...iggering For manual triggering simply press the trigger button to initiate a single measurement To switch back to continuous mode press and hold the trigger button for 1 second External triggering req...

Страница 12: ...n process 8 Zeroing Button ZERO Zeroing is generally not required but it can be activated using the ZERO button Before pressing the button please ensure the two test leads are connected as depicted in...

Страница 13: ...ton Area comprises direction buttons an OK button and an ESC button The direction buttons are designed for navigating the cursor depicted as a triangle in functional mode and adjusting the cursor nume...

Страница 14: ...13 Chapter 3 Measurement Operations and Sorting Settings 3 1 Test Flow Chart...

Страница 15: ...14...

Страница 16: ...ign the test lead with the notch on the test end as depicted below and then connect it 3 2 2 Connect the Tested Object Clip the two jaws of the Kelvin clip onto both ends of the tested object Rx and t...

Страница 17: ...ay Status The sorting function offers two data display modes direct reading direct display and percentage displaying relative values in percentage The percentage mode becomes functional only after nom...

Страница 18: ...cant bit reserved for symbol display Positive values are displayed as _ in settings and negative values are displayed as These values are used to determine whether the deviation percentage of the meas...

Страница 19: ...hen press the OK button to confirm the selection 3 If the upper lower limit function nominal value is selected the digits in the LCD will display 00000 in which the flashing digit unit represents the...

Страница 20: ...limit 4 When Disable is selected the whole Beep function will be disabled Note Please switch to the corresponding range for faster response speed Otherwise switching speed will be slower in automatic...

Страница 21: ...using RS232 communication please ensure that the connection length do not exceed 15m 4 2 RS232 RS485 Interfaces 4 2 1 RS232 Interface RS232C RS stands for the recommended standard 232 for the standard...

Страница 22: ...ction Table 4 2 2 RS485 Interface Optional The RS485 standard defines the electrical characteristics of drivers and receivers in balanced digital multipoint systems as defined by the Telecommunication...

Страница 23: ...PI Programming Manual for details 4 4 HANDLER Sorting Interface The comparison interface also known as the HANDLER interface enables the instrument to work in conjunction with mechanical handling syst...

Страница 24: ...urs 3 Pin 3 is designed for sorting Pass signals which occur when the level is active low and the sorting signal will remain active until the next Start signal occurs 4 Pin 4 is designed for sorting D...

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