3M 747 ユーザーズマニュアル

Figure 2 : Wrist Strap Test Set-Up

3M

™ 

COPPER FOIL TAPE

RSB

3M

™ 

SHOES AND WRIST 

STRAP SENSOR

Testing Shoe Ranges
Connect the reference resistor to the “Shoe Plate Cable” and the tab of the 3M

™

 Copper 

Foil Tape on the 3M

™

 Shoes and Wrist Strap Tester 747 as show in the Figure 2.

Testing Shoes Low Limits – Refer to Shoes Test Table
1.   Select 10 M

Ω position on the “Shoes High” switch.

2.   Select 100 K

Ω position on the “Shoes Low” switch.

3.   Select Shoes position on the “Signal Out” switch.
4.   Set reference resistor to 97 K

Ω.

5.   Press down on the “Touch Panel” and observe LED indicators and value 

displayed on LCD comparing to Shoes Test Table on the following page.

6.   Set reference resistor to 103 K

Ω.

7.   Press down on the “Touch Panel” and observe LED indicators and value 

displayed on LCD comparing to Shoes Test Table on the following page.

8.   Select 1 M

Ω position on the “Shoes Low” switch.

9.   Set reference resistor to 970 K

Ω.

10.  Press down on the “Touch Panel” and observe LED indicators and value    

  displayed on LCD comparing to Shoes Test Table on the following page.

11.  Set reference resistor to 1.03 M

Ω.

12.  Press down on the “Touch Panel” and observe LED indicators and value  

  displayed on LCD comparing to Shoes Test Table on the following page.

13.  Repeat test sequence using specified reference resistors as indicated in 

Shoes Test Table below for 10 M

Ω, 35 MΩ and 100 MΩ positions.