Desco 07010 Manuale utente

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

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

19240 Wrist Strap Tester

19250 Combo Wrist Strap / Footwear Tester

19252 Combo Wrist Strap / Footwear Tester with

Stand

19253 Combo Wrist Strap / Footwear Tester with

Foot Plate

19350 Wrist Strap Touch Tester, 120VAC

19351 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

A675K FAIL LOW

B 825K PASS

C8.5M PASS

D 11.5M FAIL HIGH

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

Employee Owned

Figure 3. Verifying the calibration of the Wrist Strap

Tester

COMBO WRIST STRAP / FOOTWEAR TESTER

Testing the Wrist Strap Circuit

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

labeled “WRIST CORD” on the Combo Wrist Strap /

Footwear Tester. Toggle the switch to the “WRIST

CORD” position.

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 Combo 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 Combo 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.

Figure 4. Connecting the test lead from banana jack “E”

on the Calibration Unit to the WRIST CORD banana jack

on the Combo Tester

Test

Point Resistance

Value Test Output

A675K FAIL LOW

B 825K PASS

C8.5M PASS

D 11.5M FAIL HIGH

Testing the Footwear Circuit

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

labeled “FOOTPLATE” on the Combo Wrist Strap /

Footwear Tester. Toggle the switch to the “FOOTPLATE”

position.

Figure 5. Verifying the calibration of the wrist strap

circuit in the Combo Tester

Figure 6. Connecting the test lead from banana jack “E”

on the Calibration Unit to the FOOTPLATE banana jack

on the Combo 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 Combo 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 Combo Tester. The alarm

should sound, and the LOW LED should illuminate red.

4. Repeat the procedure for test points B (825K), C (80M)

and D (120M). The expected test results can be found in

the following table.

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

Employee Owned

Test

Point Resistance

Value Test Output

A675K FAIL LOW

B 825K PASS

C80M 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

A675K FAIL LOW

B 825K PASS

C8.5M 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.

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

Employee Owned

Limited Warranty

Desco expressly warrants that for a period of one (1) year from the date of purchase Desco Calibration Units will be free of defects in material (parts) and

workmanship (labor). Within the warranty period, a credit for purchase of replacement Desco Calibration Units, or, at Desco’s option, the Calibration Unit

will be repaired or replaced free of charge. If product credit is issued, the amount will be calculated by multiplying the unused portion of the expected one

year life times the original unit purchase price. Call our Customer Service Department at 909-627-8178 (Chino, CA) or 781-821-8370 (Canton, MA) for a

Return Material Authorization (RMA) and proper shipping instructions and address. Please include a copy of your original packing slip, invoice, or other

proof of date of purchase. Any unit under warranty should be shipped prepaid to the Desco factory. Warranty replacements will take approximately two

weeks.

If your unit is out of warranty, call our Customer Service Department at 909-627-8178 (Chino, CA) or 781-821-8370 (Canton, MA) for a Return Material

Authorization (RMA) and proper shipping instructions and address. Desco will quote repair charges necessary to bring your unit up to factory standards.

Warranty Exclusions

THE FOREGOING EXPRESS WARRANTY IS MADE IN LIEU OF ALL OTHER PRODUCT WARRANTIES, EXPRESSED AND IMPLIED, INCLUDING

MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE WHICH ARE SPECIFICALLY DISCLAIMED. The express warranty will not apply to

defects or damage due to accidents, neglect, misuse, alterations, operator error, or failure to properly maintain, clean or repair products.

Limit of Liability

In no event will Desco or any seller be responsible or liable for any injury, loss or damage, direct or consequential, arising out of the use of or the

inability to use the product. Before using, users shall determine the suitability of the product for their intended use, and users assume all risk and liability

whatsoever in connection therewith.

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