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TB-3035 Page 1 of 3
Revision May 2009
© 2009 DESCO INDUSTRIES INC.
Employee Owned
Limit Comparator - Instructions for Use
Made in America
Item
19259
Limit Comparator for Testers
DESCRIPTION
PACKAGING
1 Limit Comparator
2 Test Leads, Banana to Banana
1 NIST Certificate of Calibration
OPERATION
Testing Footwear Circuit, refer to figure 3.
To complete the footwear test, you will need to test the
low and high limits. Refer to the dipswitch setting on the
left side of the testers for footwear test ranges.
Manufacturer’s suggested default test range is 750K
low and 35Meg high for the US and Europe.
Do not power down tester, remove stereo cable from
bottom right jack of tester labeled “FOOTPLATE” and
connect the stereo lead from model
19259
to the jack
labeled “FOOTPLATE”.
Testing Low Circuit
– If the tester’s low range is set to
750K. Set the knob on model
19259
to the “750K LOW”
position. Touch the TEST contact on the tester and you
should get a red LED for the left
and right foot.
Disregard the test result for the wrist strap, if the wrist
strap circuit is on.
Set the knob on model
19259
to “750K Pass”, touch the
TEST contact on the tester and you should get a green
LED for the left and right of the foot.
TB-3045
February 2010 Page 1 of 3
© 2010 DESCO INDUSTRIES INC.
Employee Owned
TECHNICAL BULLETIN TB-3045
Banana Jacks - For
Testing Wrist Strap
Circuit
Test Limit Knob -
Adjustment for Test
Stereo Jack - For
Testing Footwear
Circuit
Banana to banana Test Lead - For
Testing Single Wire Wrist Strap Circuit
Figure 2. Limit Comparator features and components
Figure 3. Footwear Test Setup
