Desco 98132 Documento técnico

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

AC Outlet Analyzer and Wrist Strap Tester

Installation, Operation and Maintenance

Description

Desco’s AC Outlet Analyzer and Wrist Strap Tester verifies

the proper wiring of AC outlets, provides a grounding point,

and tests the path-to-ground integrity of an operator’s wrist

strap. Visual and audible indicators display pass and fail

conditions for the outlet and pass condition for the wrist

strap. When plugged into an AC outlet, the green LED

illuminates to confirm that both the outlet’s wiring is correct

and the path to equipment ground via the equipment

grounding conductor is intact. The banana jack provides

a grounding point for wrist straps. An operator that is

wearing and using the grounding point can touch the metal

button to determine if the operator’s wrist strap will act as a

path-to-ground and ensure the presence of a current-limiting

resistor in the wrist strap.

The factory test ranges are set to:

Wrist Straps: 750 kilohms and 35 megohms

August 2014

Use the AC Outlet Analyzer and Wrist Strap Tester to fulfill

the S6.1 Section 6.3.1 requirement. “The hot, neutral, and

equipment grounding conductor shall be verified to be in

the proper wiring orientation in accordance with the National

Electric Code (ANS/NFPA-70).” (Grounding ANSI/ESD S6.1

section 6.3.1 Equipment Grounding Conductor)

“Typical test programs recommend that wrist straps that are

used daily should be tested daily.” (ESD Handbook ESD

TR20.20 section 5.3.2.4.4)

The AC Outlet Analyzer and Wrist Strap Tester is available in

two models:

Item Input Voltage Plug Type

98132 120 VAC North America

98131 220 VAC Asia / UK

Packaging

1 AC Outlet Analyzer and Wrist Strap Tester

1 Certificate of Calibration

TECHNICAL BULLETIN TB-2099

Made in the

United States of America

Figure 1. Desco 98132 AC Outlet Analyzer and Wrist

Strap Tester

Figure 2. Desco 98131 AC Outlet Analyzer and Wrist

Strap Tester

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

Features and Components Operation

PERFORMING A WRIST STRAP TEST

1. Use the wrist strap test jack to ground the operator’s

wrist strap.

2. While wearing the wrist strap, touch the tester’s test

plate to determine if the operator’s wrist strap will

act as a path-to-ground and ensure the presence of a

current-limiting resistor in the wrist strap.

A “PASS” test result is indicated by illumination of the green

TEST LED. A “FAIL” test result is indicated if the LED does

not illuminate.

If your ESD test fails, check your wrist strap to ensure it is

being worn correctly and/or needs to be replaced.

NOTE: Failures may be caused by dry skin or minimal sweat

layer. For wrist straps, try using an approved dissipative

hand lotion such as Menda Reztore™ ESD Hand Lotion to

your wrist prior to use.

The AC Outlet Analyzer and Wrist Strap Tester may also be

used to test smocks or garments that feature a grounding

mechanism for operators using a coil cord connection.

Calibration

TESTING THE WRIST STRAP TESTER

A. LOW FAIL - Connect a 675 kilohm resistor @ 5%

tolerance between the Wrist Strap Test

Jack and the Test Plate. The Wrist Strap

Test LED will momentarily illuminate then

turn off. This test confirms the LOW FAIL

point.

B. LOW PASS - Connect a 825 kilohm resistor @ 5%

tolerance between the Wrist Strap Test

Jack and the Test Plate. The Wrist Strap

Test LED will remain illuminated until the

resistor is removed from the Test Plate.

This test confirms the LOW PASS point.

C. HIGH PASS - Connect a 32 megohm resistor @ 5%

tolerance between the Wrist Strap Test

Jack and the Test Plate. The Wrist Strap

Test LED will remain illuminated unitl the

resistor is removed from the Test Plate.

This test confirms the HIGH PASS point.

D. HIGH FAIL - Connect a 40 megohm resistor @ 5%

tolerance between the Wrist Strap Test

Jack and the Test Plate. The Wrist Strap

Test LED should not illuminate. This test

confirms the HIGH FAIL point.

Neutral

Load / Hot

Ground

Outlet LEDs

Wrist Strap

Test LED

Test Plate

Wrist Strap

Test Jack

Figure 3. 98132 features and components

Ground

Load / Hot

Neutral

Outlet LEDs

Wrist Strap

Test LED

Test Plate

Wrist Strap

Test Jack

Figure 4. 98131 features and components

Installation

PERFORMING AN AC OUTLET TEST

Plug the AC Outlet Analyzer into a proper electrical outlet.

The unit will indicate the condition of the electrical outlet via

the Outlet LEDs.

• The green LED will illuminate if the outlet’s wiring

is correct and the path to equipment ground via the

equipment grounding conductor is intact.

• The red LED will illuminate and the alarm will sound

if the outlet’s wiring is incorrect and/or the path to

equipment ground via the equipment grounding

conductor is not intact.

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

TESTING THE AC OUTLET ANALYZER

NOTE: The following procedure should only be done by

someone familiar with voltage hazards. This procedure will

work for 220VAC as long as the neutral and ground are

referenced. 220VAC produced with out of phase 110VAC-

Ground-110VAC will produce a FAIL result.

Isolate the ground plug from the tester by inserting it into a 3

to 2 plug adapter.

A. PASS OUTLET - Connect a 5 kilohm resistor @ 5%

tolerance between the supply ground

and tester ground. The PASS LED

should remain illuminated until the

resistor is removed. This test confirms

the PASS point for the neutral-to-ground

resistance.

B. FAIL OUTLET - Connect a 12.5 kilohm resistor @ 5%

tolerance between the supply ground

and tester ground. The FAIL LED

should remain illuminated until the

resistor is removed. This test confirms

the FAIL point for the neutral-to-ground

resistance.

Specifications

Input Voltage:

98132: 120 VAC ±15%

98131: 220 VAC ±15%

Current Drain:

< 10mA

Operator Resistance Limits (nominal):

750 kilohms - 35 megohms

Test Voltage, Open Circuit:

27 VDC (nominal)

Long Term Drift:

< 1% / decade

Dimensions:

98132: 2.0" x 3.0" x 1.3" (5 cm x 8 cm x 3 cm)

98131: 2.0" x 3.0" x 2.0" (5 cm x 8 cm x 5 cm)

Operating Temperature:

0° to 40°C

Limited Warranty, Warranty Exclusions, Limit of

Liability and RMA Request Instructions

See Desco’s Terms and Conditions -

http://desco.descoindustries.com/TermsAndConditions.aspx

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