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3M 746, Operating Instructions Manual

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3M 746 Operating Instructions Manual Download Page 8

8

*This example is used in Figure 2

750 K

Ω

*

750 K

Ω

red

900 K

Ω

green

9.0 M

Ω

10 M

Ω

green

11.0 M

Ω

red

Resistance
substitution box
setting

Resistance range
of the tester

LED indication

11.0 M

9.0 M

900 K

750 K

746

3

wrist strap tester

o.k.

o.k.

A

Alligator Clip

Resistance Substitution Box

FIGURE 2

Summary of Contents for 746

Page 1: ...3 746 Wrist Strap Tester Operating Instructions 746 3 wrist strap tester o k o k Listed ...

Page 2: ... green LED will illuminate If outside this range a red LED will illuminate Wrist straps are the primary method used to minimize charge generation on the human body They must be able to drain this charge as rapidly as it is generated For this reason it is important to test wrist straps on a regular basis to ensure they are functioning properly The test results should be recorded The form on page 9 ...

Page 3: ...l electronic stores Catalog Number 23 665 For more information about this battery or other retail outlets contact ULTRALIFE BATTERIES INC at 1 800 332 5000 Battery Disposal Dispose of batteries in accordance with state and local requirements WARNING Battery may explode if misused Do not recharge or disassemble Do not dispose of in fire When replacing with lithium battery use only ULTRALIFE U9VL J ...

Page 4: ...e instructions Attach the battery snap connector to the battery Place the battery into the compartment locating the snap connector at the opposite end of the compartment from where the battery wires come through the housing keeping the wires along the top edge of the compartment Run the battery wires along the side of the battery and tuck them down between the housing and the battery so that the w...

Page 5: ...ock adhesion strip must be cut in two halves and adhered to the rear of the 746 Tester parallel to the bottom edge and below the battery compartment Make sure the area on the 746 Tester where the adhesion strips are to be placed is free of dust and dirt Press the back of the case firmly against the discs to secure the tester to the wall 6 For removal lift the 746 Wrist Strap Tester at the two top ...

Page 6: ...attached to the tester Unsnap the cord from the wrist band Place the metal side of the ground cord snap end against the metal contact plate Depress the plate and check to see which LED illuminates If the red LED illuminates the ground cord is outside of the resistance range If the green LED illuminates the ground cord is OK but the wrist band may need to be replaced NOTE In some cases a high conta...

Page 7: ...cation Please call 800 328 1368 for more information Equipment needed 1 Resistance substitution box 700 KΩ 11 MΩ accuracy 2 2 Two lead wires to connect the resistance box to the 746 Tester Checking wrist strap test circuit Connect the resistance substitution box to the tester as shown in Figure 2 Adjust the resistance substitution box to each value of resistance indicated in the test table below a...

Page 8: ...0 KΩ red 900 KΩ green 9 0 MΩ 10 MΩ green 11 0 MΩ red Resistance substitution box setting Resistance range of the tester LED indication 11 0 M 9 0 M 900 K 750 K 746 3 wrist strap tester o k o k A Alligator Clip Resistance Substitution Box FIGURE 2 ...

Page 9: ...9 Test Parameters min 750K Ω max 10M Ω Serial No Name Month Year 3 3 746 Wrist Strap Tester Logbook ...

Page 10: ...ase 3M MAKES NO OTHER WARRANTIES INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTY OF MER CHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE If this product is defective within the warranty period stated above your exclusive remedy shall be at 3M s option to replace or repair the 3M product or refund the purchase price of the 3M product Except where prohibited by law 3M will not be liable for any lo...

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