LCD Indicators | 3M 747 specification

1.2Part Names of the 3M™ Shoes and Wrist Strap Tester 747 1.2.1 Front Panel

1.Test Result LEDs – Indicates test results according to specified threshold resistance.

2.LCD – Shows measurement values and test location status.

3.Test Location LEDs –Indicate the test location and status.

4.Touch Panel –The touch panel is the measurement terminal.

(power switch and touching the panel initiate testing of the ESD measurement terminal)

5.Wrist Strap Connector – Connect the wrist strap cable here for wrist strap testing

LCD Indicators

6.RS-232C Indicator – Indicates serial communications is enabled.

7.Measurement Display – The measured value, decimal point and units are displayed

8.Wrist Strap Symbol – Indicated an ESD wrist strap is being tested.

9.MEASURE Indicator – Indicates a test (measurement) is in progress.

10.HOLD Indicator – Indicates a test is finished.

11.Battery Symbol – Appears when the battery is depleted and needs to be replaced.

12.Shoe Symbol –Indicates ESD shoes are being tested.

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3M 747 manual LCD Indicators

Contents

3M Shoes and Wrist Strap Tester Table of Contents Inspection Introduction Intended Use Explanation of Safety Label Signal Words & SymbolsPage Product Outline Overview LCD Indicators Back Side Side Panels Connecting the ESD Shoe Testing Plate Preparation Before Testing Shoes Power Preparation Installing and Replacing the Batteries AC Adapter Connection Turning Power On and OffTurning Power Off Power Saver Function Wall Mounting Testing ESD Shoe Testing with the 3M Shoes and Wrist Strap Tester ALL setting is described in .1, Open Collector Output Important Note Use single-conductor wrist straps only Open Collector Output External Output Function Test Result Output Terminal Test Result Output SettingsInternal Circuit Open-Collector Output Shoe and Wrist Strap ALL Setting RS-232C Communications Specifications Cable Connections PC ConnectionPC System Requirements Measurement Resistance Range 0 to 200.0 MΩ Measurement Section Battery Replacement Indicator Maintenance & Service LCD can display the following error messages Error Messages Testing Considerations CleaningOperational Verification Test Equipment Required Testing Wrist Strap RangesTest Set-Up Testing Wrist High Limits Refer to Wrist Test Table Testing Wrist Low Limit Refer to Wrist Test TableWrist Test Table Testing Shoes Low Limits Refer to Shoes Test Table Testing Shoe Ranges CULus Statement Regulatory InformationShoe Test Table Weee Statement FCC Electronic Solutions Division Static Control Products