TB-2039
Page 2 of 4
DESCO WEST
- 3651 Walnut Avenue, Chino, CA 91710 • (909) 627-8178 • Fax (909) 627-7449
DESCO EAST
- 90 Hudson Road, Canton, MA 02021-1407 • (781) 821-8370 • Fax (781) 575-0172 • Web Site: http://www.desco.com
Resistance Value
Test Output - LED
Red jack “A” - 675K:
Red (Low-hazard)
Green jack “B” - 825K:
Green (OK-in limits)
Green jack “C” - 8.5M:
Green (OK-in limits)
Yellow jack “D” - 11.5M:
Red (High resistance)
Step 3:
Repeat the procedure testing across jacks B,
C, and D. The different resistance ranges should give
the display shown above. If the tester does not meet
calibration specifications, contact factory for adjustment
information, or ask for Technical Bulletin TB-3000.
Figure 3. Testing 98280 for “PASS” and “FAIL” ranges
as indicated on calibration unit.
CALIBRATION OF THE MODEL 98280
FOOT STRAP TESTER
Step 1:
Connect one of the test leads to common point
banana jack labeled "E" on 07010. Connect the
opposite end of test lead to 98280 tester's foot strap
jack located on the front of the unit and switch the
selector switch to “FOOT STRAP”.
Figure 4. Connecting test lead common from 07010 to
98280.
Step 2:
Connect the second test lead to the 675K jack
labeled "A" on the 07010. Touch the opposite end of
test lead to touch tester plate and press down on tester
with enough pressure to activate the test circuit.
Observe the LED's for the proper response as
indicated below. Be sure to hold the cord at an
insulated point, so that the resistance value is not
affected by the body.
Resistance Value
Test Output - LED
Red jack “A” - 675K:
Red (Low-hazard)
Green jack “B” - 825K:
Green (OK-in limits)
Green jack “C” - 8.5M:
Green (OK-in limits)
Yellow jack “D” - 11.5M:
Red (High resistance)
Step 3:
Repeat the procedure testing across jacks B,
C, and D. The different resistance ranges should give
the display shown above. If the tester does not meet
calibration specifications, contact factory for adjustment
information, or ask for Technical Bulletin TB-3000.
Figure 5. Testing 98280 for “PASS” and “FAIL” ranges
as indicated on calibration unit.
CALIBRATION OF THE MODEL 19350
WRIST STRAP TESTER
Step 1:
Connect one of the test leads to common
point banana jack labeled “E” on 07010. Connect the
opposite end of test lead to one of the 19350’s ground
jacks located on the front edge of the unit.
Figure 6. Connecting test lead common from 07010 to
19350.
© 2003 DESCO INDUSTRIES INC.
Employee Owned
