Equipment Required, Test Set-Up | 3M 747 manual

Equipment Required

•Resistance Substitution Box (RSB) – 630 KΩ to 103 MΩ (minimum range) ± 1% or discrete resistors ± 1%, using resistor values as indicated in the tabled below.

•Lead wires – As required to connect between RSB and the 3M™ Shoes and Wrist Strap Tester 747.

•3M™ Copper Foil Tape with conductive adhesive or equivalent (4" L x 1" W recommended).

Test Set-Up

Apply a strip of copper foil tape to the unit’s “Touch Panel” as shown in Fig. 1, leaving a short tab for the purpose of attachment of a test lead. To prevent the copper foil tape from curling during removal of the release liner, peel the release liner from the copper foil tape.

Testing Wrist Strap Ranges

Connect the reference resistor to the “Wrist Strap Connector” and the tab of the Copper Foil Tape on the Shoes and Wrist Strap Tester 747 as shown in Figure 1.

3M™ COPPER FOIL TAPE

3M™ SHOES AND WRIST	RSB
STRAP SENSOR

Figure 1: Wrist Strap Test Set-up

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3M 747 manual Equipment Required, Test Set-Up, Testing Wrist Strap Ranges

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 Turning Power Off Turning Power On and OffPower Saver Function AC Adapter Connection 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 Shoe Test Table Regulatory InformationWeee Statement CULus Statement FCC Electronic Solutions Division Static Control Products