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Desco 19250 Technical Bulletin page 3

Combo wrist strap / footwear tester. pass range 750k - 10m and 750k - 100m

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1.
Place the Foot Plate on the floor in front of the Combo Tester.
2.
Plug the plate's ground cord into the jack on the left hand
side of the unit.
NOTE: Steps 1 and 2 are not required with the 19252.
Figure 6. Installing ground cord to "FOOT PLATE" jack
3.
Press the rocker switch toward "FOOT PLATE."
4.
Place one foot on the plate. If the floor is conductive, lift the
foot you are not testing off of the floor during this test. Make
sure there is no cord plugged into the "WRIST CORD" jack.
5.
Press and hold the test button until the test results are
displayed.
Figure 7. Testing foot grounding devices with
6.
Lighting of the green "PASS" LED indicates that the foot
ground assemblies are functioning properly.
7.
If either red "FAIL LO" or red "FAIL HI" LEDs light and the
audible indicator sounds, the wearer should check the foot
grounding device immediately.
8.
Repeat steps 3-6 with other foot.
Free Standing Test Fixture Assembly and
Operation (Model 19252)
The 19252's rugged steel pedestal tube is powder coated in a
non-conductive white finish that helps to prevent false readings if
contacted by skin or loose smocks.
Figure 8. The
19252
Free Standing Test Fixture
TB-2040 Page 3 of 6
19253
DESCO WEST - 3651 Walnut Avenue, Chino, CA 91710 • (909) 627-8178
DESCO EAST - One Colgate Way, Canton, MA 02021-1407 • (781) 821-8370 • Website:
Assembly
1.
Remove 3 screws from baseplate.
2.
Position pedestal on the baseplate with the Tester mounting
bracket pointing away from the operator. Attach pedestal to
baseplate using the three screws provided. Tighten with hex
wrench provided.
Figure 9. Attaching pedestal to baseplate
3.
Open the compartment and attach the snap connector to the
included 9 volt battery. Attach poster to the wall at eye level
in front of the Tester location.
4.
Install the Tester on the bracket by aligning keyholes on the
back of tester with mounting studs on bracket. While pushing
up on thumb screw, insert the mounting studs into the
keyholes and slide the tester down. See Figure 10.
Thumb screw
Figure 10. Installing Tester on bracket and securing Tester to
bracket
5.
Install the 4" banana plug connector to "FOOT PLATE" jack
on the side of the unit. Insert ring terminal behind thumb
screw.
6.
Twist the thumb screw clockwise to secure the tester to the
bracket. Cover thumb screw with vinyl insulator cap.
WRIST STRAP TESTING
This test verifies that a continuous path between the operator,
wrist strap, and ground cord exists.
1.
While wearing the wrist strap, plug the banana plug end of
the cord into the jack on the face of the unit.
2.
Press rocker switch toward "WRIST CORD".
3.
Press and hold the test button until the test results are
displayed.
NOTE: DO NOT TOUCH ANY OTHER METAL WHILE
PERFORMING TEST.
Desco.com
© 2013 DESCO INDUSTRIES INC.
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