DESCO WEST

- 3651 Walnut Avenue, Chino, CA 91710 • (909) 627-8178

DESCO EAST

- One Colgate Way, Canton, MA 02021-1407 • (781) 821-8370 • Website: Desco.com

TB-2039

Page 3 of 4

© 2012 DESCO INDUSTRIES, INC.

Employee Owned

Test

Point

Resistance

Value

Test Output

A

675K

FAIL LOW

B

825K

PASS

C

80M

PASS

D

120M

FAIL HIGH

Figure 7. Verifying the calibration of the footwear circuit

in the Combo Tester

WRIST STRAP TOUCH TESTER

1. Plug one of the included test leads into the black banana

jack labeled “E” on the Calibration Unit. Connect the

opposite end of the test lead into one of the yellow

banana jacks located on the Wrist Strap Touch Tester.

Power the Wrist Strap Touch Tester.

Figure 8. Connecting the test lead from banana jack “E”

on the Calibration Unit to one of the banana jacks on the

Wrist Strap Touch Tester

Specifications

Accuracy:

±2%

Dimensions:

3.2" L x 4.4" W x .9" H

(8.1 cm x 11.2 cm x 2.3 cm)

Weight:

4 oz

(.1 kg)

Test

Point

Resistance

Value

Test Output

A

675K

FAIL LOW

B

825K

PASS

C

8.5M

PASS

D

11.5M

FAIL HIGH

Figure 9. Verifying the calibration of the Wrist Strap

Touch Tester

2. Connect the second test lead to the red 675K banana jack

labeled “A” on the Calibration Unit. Touch the opposite

end of the test lead to test plate on the Wrist Strap Touch

Tester to activate the test. Be sure not to touch the

banana plug or test plate with your skin.

3. Observe the response from the Wrist Strap Touch Tester.

The alarm should sound, and the LOW LED should

illuminate red.

4. Repeat the procedure for test points B (825K), C (8.5M)

and D (11.5M). The expected test results can be found in

the following table.