
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
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2012 DESCO INDUSTRIES, INC.
Employee Owned
Made in the
United States of America
Calibration Unit for Testers
Installation, Operation and Maintenance
Description
The Desco
07010 Calibration Unit is designed to verify
whether a tester is operating within specifications.
This product can be used as one of the tools to fulfill
the ANSI/ESD S20.20 paragraph 6.1.3.2 “Compliance
Verification Plan.” The
07010 Calibration Unit is a
passive device and requires no power source. The
Calibration Unit is manufactured with industry accepted
test ranges for both wrist straps and foot grounders.
The wrist strap pass range is set at 750K - 10M, while
the foot ground test range is set at 750K - 100M. The
Desco Calibration Unit is calibrated to NIST traceable
standards.
The Desco
07010 Calibration Unit is to be used with the
following items:
July 2012
Figure 1. Desco
07010 Calibration Unit
Packaging
1 Calibration Unit
2 Test Leads with Banana Plug Terminals
1 Certificate of Calibration
Operation
WRIST STRAP 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 the yellow banana jack
located on the
19240 Wrist Strap Tester.
TECHNICAL BULLETIN TB-2039
Item
Description
19250 Combo Wrist Strap / Footwear Tester
19252 Combo Wrist Strap / Footwear Tester with
Stand
19253 Combo Wrist Strap / Footwear Tester with
Foot Plate
Wrist Strap Touch Tester, 120VAC
Wrist Strap Touch Tester, 220VAC
Figure 2. Connecting the test lead from banana jack “E”
on the Calibration Unit to the banana jack on the Wrist
Strap 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 Tester
and press down 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 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.
Test
Point
Resistance
Value
Test Output
A
675K
FAIL LOW
B
825K
PASS
C
8.5M
PASS
D
11.5M
FAIL HIGH