SCS의 701 User Guide 규격서

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SCS

Employee Owned

SCS - 926 JR Industrial Drive, Sanford, NC 27332

East: (919) 718-0000 | West: (909) 627-9634 • Website: StaticControl.com

Analog Surface Resistance Megohmmeter Kit

Operation and Maintenance

March 2019

USER GUIDE TB-9017

Made in the

United States of America

Figure 1. SCS 701 Analog Surface Resistance

Megohmmeter Kit.

Description

The 701 Analog Surface Resistance Megohmmeter Kit

includes a hand-held megohmmeter and accessories.

The kit has been specifically designed for evaluating

the resistive characteristics of static control surface

materials and testing installed surfaces as specified in

ESD Association Standards.

The Megohmmeter has four test functions which allow

the user to measure the resistance of a static control

surface at either of two test voltages, verify proper

Megohmmeter performance, and check the electrical

continuity of the test set-up.

Figure 2. SCS 701 Analog Surface Resistance

Megohmmeter Kit, controls, connectors and indicators.

Controls, Connectors, & Indicators

Before attempting any operation of the Megohmmeter,

become familiar with each control. A thorough

understanding of how the Megohmmeter operates will

help avoid mistakes and prolong its useful life.

1. Main Selector Switch: The main function selector

switch allows the selection of desired test function.

2. TEST Button: This button engages the

Megohmmeter and activates the test function

selected.

3. OHMS Scale: This scale is used in conjunction

with the SURFACE TEST functions to indicate the

amount of resistance measured.

4. CONTINUITY Scale: This scale indicates the total

resistance of the test setup (meter, leads, weights,

and calibration plate) in the CONTINUITY TEST

function.

5. BATTERY Scale: This scale indicates the charge

level of the main battery of the Megohmmeter in

the BATTERY TEST function by verifying the open

circuit output test voltage.

6. Test Jacks: These jacks are used to connect the

Megohmmeter to the test leads.

7. Mechanical Zero Adjust: This control is used to zero

the pointer.

Operation

Note:

• Turn off the Megohmmeter before connecting or

disconnecting test leads, or before moving test

weights.

• Turn off the Megohmmeter when not in use to save

battery life.

• Do not use this Megohmmeter to measure live

circuits.

Caution: The test weights included in this kit are

heavy, exercise care in handling. Note: The following

procedures should be followed each time the

Megohmmeter is used.

Battery Test: Place the Megohmmeter on a table top

or other stable surface. Set the main selector switch to

BATTERY TEST. Press TEST and hold for 15 seconds.

The pointer should come to rest in the green area of the

BATTERY scale. If the pointer is in the red area to the

left of 100V, replace the battery and retest. If the pointer

is in the red area to the right of 100V, the megohmmeter

may need recalibration.

Figure 3. Analog Surface Resistance Megohmmeter Kit,

continuity test.

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Employee Owned

SCS - 926 JR Industrial Drive, Sanford, NC 27332

East: (919) 718-0000 | West: (909) 627-9634 • Website: StaticControl.com

Continuity Test: Place the Megohmmeter on a table top

or other stable surface and attach the leads as shown

in Figure . Place the test weights on the calibration

plate or other bare metal surface and plug in the test

leads. Set the main selector switch to CONTINUITY

TEST. Press TEST. The pointer should come to rest in

the green section of the CONTINUITY scale. If not, the

test leads may be defective or the weights may require

maintenance or cleaning.

Surface Test (Resistance Measurement): Refer

to the two following sections to determine which

measurement(s) should be used for your application.

Place the Megohmmeter on a table top or other stable

surface and attach the leads as shown in the appropriate

sketch figures 5-1 through 5-5. Set the Main Selector

Switch to the desired SURFACE TEST voltage. Place

the test weight(s) on the surface to be tested and

connect the test leads. Press TEST for 15 seconds and

then read the resistance from the OHMS scale. After all

readings have been completed, return the Main Selector

Switch to the OFF position.

Resistance Measurement of Static

Control Work Surfaces

This section provides a summary of the types of surface

measurements specified and described by ESD-S4.1.

Measurements are performed for three reasons:

1. Periodic performance testing of installed static

control work surfaces.

2. Qualification of installed static control work surfaces.

3. Evaluation of static control work surface materials.

Note: The following paragraphs are offered as

a condensed summary of the test methods and

procedures outlined in the EOS/ESD standard. For

complete details, refer to the standard.

Test Description

1. Periodic Performance Testing Of Installed Static

Control Surfaces: (Measurement of resistance from

the top of an installed surface to ESD GROUND

(RTS-ESDG) at ambient temperature and humidity).

Note: ESD GROUND is the point at which the ground

cord or other grounding conductor from the static

control surface is connected. The ground point may be

an electrical ground, building ground, or other suitable

ground. If you have questions concerning the correct

ground, refer to ANSI/ESD STANDARD S6.1 and/or

contact a qualified electrician.

This Resistance-to-Ground test verifies the surface

is working correctly and will drain a static charge in a

reasonable time.

This test involves measurement of the total resistance

from the static control surface through the conductor or

ground cord to the ESD GROUND (ESDG), verifying the

static control system is functioning correctly.

Note: ESD-S4.1 suggests that a static control surface

that measures in the range of 1 x 106 ohms to 1 x 109

ohms.

Figure 4. Periodic Preformace Tests of Installed

Surfaces.

The following procedures should be followed when

testing installed static control surfaces:

A. Complete BATTERY TEST and CONTINUITY TEST.

B. Set the SCS 701 Analog Surface Resistance

Megohmmeter Kit on a table top or other stable

surface and place a test weight at the desired test

point as shown in Figure 5. Connect the test leads

to the meter using the right angle banana plugs at

the meter. Then connect one of the test leads to the

test weight and the other to the ESD GROUND using

one of the supplied clips.

C. Test the static control surface using the 100 volts

SURFACE TEST. Press the TEST button for 15

seconds, allowing the pointer to stabilize; record the

readings for each test point. If the reading is below

1 x 106 ohms, check the static control surface for an

alternate path to ground; correct and retest. If some or

all the readings are above 1x109 ohms, the static

control surface may be dirty. Clean the surface using

the manufacturer’s recommended cleaning procedure.

If the resistance reading is “infinite,” there is an

interruption (open) in the ground connection; repair

and retest.

Figure 5. Qualification Tests of Installed Surfaces.

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Employee Owned

SCS - 926 JR Industrial Drive, Sanford, NC 27332

East: (919) 718-0000 | West: (909) 627-9634 • Website: StaticControl.com

2. Qualification of Installed Static Control Surfaces

[Measurement of resistance of the top surface to

the groundable point of the static control surface

(RTS-GP)]. GROUNDABLE POINT is the point

at which the grounding conductor is connected

to the static control surface; the GROUNDABLE

POINT is most commonly a snap (mats), a bolt

(laminate), or a strip of conductive foil tape (flooring).

This QUALIFICATION measurement is similar

to those described in the test description section

and is used to verify the correct installation of the

GROUNDABLE POINT by the manufacturer or by

the user. While the test procedure is the same, the

test setup is slightly different; see Figure 5.

3. Evaluation of Static Control Materials:

[Measurement of the resistance between two points

on top of a static control surface (RTS-TS), and the

resistance between a point on the surface and the

groundable point (RTS-GP)] Material measurements

are done to determine the intrinsic electrical

properties of static control work surface materials.

Note: Values obtained by these tests may not reflect

how a material will perform when installed as a static

control surface.

Material evaluations are typically done at two

humidities (12% RH and 50% RH) to determine

whether the electrical properties of the material

are humidity-dependent. If the low humidity test

results are borderline or not within the expected

ranges, caution should be exercised when using

such materials in winter months or in dry conditions.

To assure test accuracy, a minimum of six samples

should be tested.

The test procedure is as follows:

A. Prepare a minimum of six samples of each material

to be tested as shown in Figure 6.

B. Clean samples per manufacturers recommended

cleaning procedures. Condition samples at 73°F

(23° C) and 50% RH for 48-72 hours.

Note: Samples must be maintained at the appropriate

humidity level throughout the test procedures.

C. Complete BATTERY TEST and CONTINUITY TEST.

D. Surface-to-Groundable Point Test: Test samples

per Figure 7, using both the 100 volts and 10 volts

SURFACE TEST ranges at 50% RH and record the

values as (RTS-GP).

Figure 6. Material Evaluation Sample Configuration.

Figure 7. Material Evaluation Surface to Groundable

Point Test.

Procedure: Place the SCS 701 Analog Surface Resis-

tance Megohmmeter Kit on a table top or other stable

surface. Connect the test leads to the Megohmmeter

by means of the right angle banana plugs. Connect the

other end of one of the leads to one of the test weights

and place the weight on the surface to be tested. Use

one of the supplied clips to connect the other lead to the

groundable point on the static control surface. Depress

TEST button for 15 seconds and then record the read-

ing.

E. Surface-to-surface Test: Test samples as shown in

Figure 8 use both test weights and repeat the same

test procedure used to determine (RTS-GP).

F. Repeat A through E after conditioning samples at

73°F (23°C) and 12% RH. Use the same test points

and record the values.

OF F

10V

100V

BA TTE RY

TEST

CONTINUITY

TEST

READ MA NUAL BEFORE US E

OHMS

SURF AC E

TEST

TAUT BAN D

SUSPENSION

109

10G FAIL

PASS

100G

108107

106

105

100K

10M

100M

CONTINUITY

BATTE RY

100V

10K

100K

10M

100M

TEST W EIGHT AT

TEST

POINT A & B

STATIC CONTROL SURFACE GROUNDABLE POINTS

Figure 8. Material Evaluation Surface to Surface Test.

Employee Owned

SCS - 926 JR Industrial Drive, Sanford, NC 27332

East: (919) 718-0000 | West: (909) 627-9634 • Website: StaticControl.com

Resistance Measurement of Static Control Flooring

This section provides a summary of installed or applied

floor material measurements specified and described by

ESD-S7.1.

Note: The following paragraphs are offered as a co

densed summary of the test methods and procedures

outlined in the EOS/ESD standard. For complete details,

refer to the standard.

PERIODIC PERFORMANCE TESTING OF INSTALLED

OR APPLIED FLOORING MATERIALS

(Measurement of resistance from the surface of an

installed floor to GROUNDABLE POINT at ambient

temperature and humidity).

Note: GROUNDABLE POINT is a point on the floor

material that is intended to accommodate an electrical

connection from the floor material to an appropriate

electrical ground. The ground point may be an electrical

ground, building ground, or other suitable ground. If you

have questions concerning the correct ground, refer to

EOS/ESD Standard 6.0 and/or contact a qualified

electrician.

The Resistance-to-Ground test verifies the surface is

working correctly and will drain a static charge in a

reasonable time. This test involves measurement of

the total resistance from the static control surface

through the conductor or ground cord to the ESD

GROUND (ESDG), verifying the static control system is

functioning correctly. Note: ESD 7.1 is designed to

measure floor materials with resistances of 2.5 x 104 to

1.0 x 1011 ohms.

The following procedures should be followed when

testing installed static control floor mats or flooring

surfaces.

Test Procedure for Resistance to Ground

A. Complete BATTERY TEST and CONTINUITY TEST.

B. Before testing new floor mats or newly installed

floors, clean mats/floors per manufacturer’s

recommendations. For testing of floor finishes or

monitoring of existing floor materials, test in an as-is

condition.

C. Perform tests at ambient humidity.

D. Place the SCS 701 Analog Surface Resistance

Megohmmeter Kit and test weight at the desired test

location.

E. Connect one lead of the meter to ground with

supplied clip and the other lead to the test weight.

F. Set meter to 100V. Place test weight on the surface

of the material being tested.

G. Push test button and record the resistance after the

measurement has stabilized or after 15 seconds.

Release test button.

H. Repeat the procedure placing the test weight on the

surface at different locations.

I. Perform a minimum of five tests per contiguous floor

surface material or a minimum of five tests per 5,000

square feet (464.5 m2) of floor material, whichever is

greater. A minimum of three of the five tests should

be conducted in those areas that are subject to wear

or have chemical or water spillage or are visibly dirty.

Test Procedure for Resistance Point to Point

A. Complete BATTERY TEST and CONTINUITY TEST.

If required clean electrodes as described in Test

Weight Cleaning section below.

B. Before testing new floor mats or newly installed

floors, clean mats/floors per manufacturer’s recom-

mendations. For testing of floor finishes or monitor-

ing of existing floor materials, test in an as-is condi-

tion.

C. Perform tests at ambient humidity.

D. Place the Megohmmeter and test weight at the de-

sired test location.

E. Connect test leads of the meter to the test weights.

F. Set meter to 100V. Place test weights three feet

apart on the surface of the material being tested.

G. Push test button and record the resistance after the

measurement has stabilized or after 15 seconds.

Release test button.

H. Repeat the procedure placing the test weights three

feet apart on the surface at different locations.

I. Perform a minimum of five tests per contiguous floor

surface material or a minimum of five tests per 5,000

square feet (464.5 m2) of floor material, whichever is

greater. A minimum of three of the five tests should

be conducted in those areas that are subject to wear

or have chemical or water spillage or are visibly dirty.

Maintenance

Caution: Batteries are intended for use in applications

subject to replacement only by a trained service

technician. Use only non-rechargeable batteries.

Battery Replacement

Figure 9. Battery Replacement.

Employee Owned

SCS - 926 JR Industrial Drive, Sanford, NC 27332

East: (919) 718-0000 | West: (909) 627-9634 • Website: StaticControl.com

Before attempting to replace battery, place main selector

switch in the OFF position.

The circuitry enclosed in the SCS 701 Analog Surface

Resistance Megohmmeter Kit produces high voltages.

Make sure that the main selector switch is in the OFF

position before removing the back cover.

A. To open the back cover, remove the screw located in

the center of the back cover.

B. The batteries are held in place by a metal bracket at

the top of the Megohmmeter. To release this bracket,

turn the screw located in the center of the bracket

counter clockwise until the bracket swings free. The

batteries will now slide out.

C. Install new batteries as shown in Figure 9.

Note: Improper battery installation will damage this

Megohmmeter.

D. Replace bracket and tighten bracket screw. Replace

back cover and cover screw.

Test Weight Cleaning

Caution: The test probes included in this kit are heavy.

Exercise care in handling. After a period of use, the

conductive rubber pads on the test weights may become

soiled, causing the weight to fail the CONTINUITY TEST.

To clean the surface of the conductive pad, use a 70%

Isopropyl alcohol/water mixture on a clean low-linting

cloth. Allow surface to “air dry” 15 minutes before use.

Zero Adjustment

On occasion, due to handling, vibration, or other causes,

the pointer on the Megohmmeter may need adjustment.

To zero

the pointer, turn the main selector switch to the OFF

position. Place the Megohmmeter on a level stable sur-

face and

turn the mechanical zero adjust screw until the pointer is

over the left most mark on the OHMS scale.

Replacement Parts

The following parts are user-replaceable parts:

Description Part Number

Megohmmeter 701 701-M

Test Weight (each) 701-W

Test Leads (pair) 701-L

Insulated “Bulldog” Clip 3037

Non-insulated Alligator Clip 3038

User Guide

Batteries (2) 1.5 volt AA Cell,

3.6 volt AA Ceel Lithium

*Recommended Batteries: Model TL-5903 TADIRAN,

ER6 Maxell, Saft LS 14500, Zeus ER14505

Technical Data

The following electrical specifications are valid for

operating temperatures of 65°F (18°C) to 82°F (28°C), at

relative humidity up to 90% for altitudes up to 2000 m,

unless otherwise noted. Pollution degree 2, class 3.

Test

Function

Measurement

Range

(±5% ±2° of arc.)

Open

Circuit

Voltage

Internal

Resistance

Continuity 0 to 10

megohms

10V ± .7V 500 ohms

10V 105 ohms to 1011

ohms

10V ± .7V 2 ohms

100V 105 ohms to 1011

ohms

100V ± 7V 2 ohms

Physical Data

Megohmmeter Size

4.6"(H) x 3.3"(W) x 1.7"(D) Weight: 5 lbs. (2.27 Kg)

each

(11.7 x 8.4 x 4.3 cm) Diameter: 2.7” (6.8 cm)

Weight: 11 oz (5.9 kg) Height: 5.1" (13.0 cm)

(w/ handle and pad)

Safety Information

Warning:

• Turn off the Megohmmeter before connecting or

disconnecting test leads, or before moving test

weights.

• Do not use this Megohmmeter with any accessories

not specifically designed to be used with this

product.

• Do not use this Megohmmeter to measure live

circuits.

• The circuitry enclosed in the SCS 701 Analog

Surface Resistance Megohmmeter Kit produces high

voltages. Make sure that the main selector switch is

in the OFF position before removing the back cover.

Caution:

• The test weights included in this kit are heavy.

Exercise care in handling.

• Improper battery installation will damage this

Megohmmeter.

• Megohmmeter to be used indoors only.

To reduce the risks associated with environmental

contamination from the device along with the Lithium

and Akaline battery:

• At the end of service life, dispose of the charge

analyzer and batteries in accordance with federal,

state and local requirements.

Employee Owned

SCS - 926 JR Industrial Drive, Sanford, NC 27332

East: (919) 718-0000 | West: (909) 627-9634 • Website: StaticControl.com

Regulatory Information

WEEE Statement

The following information is only for EU-members States:

The mark shown to the right is in compliance with Waste

Electrical and Electronic Equipment Directive 2002/96/

EC (WEEE). The mark indicates the requirement NOT to

dispose the equipment as unsorted municipal waste, but

use the return and collection systems according to local

law.

Intertek Statement

Intertek Listed to US and Canada Safety Standards

Mark of Conformity to European Directives (Conformité

Européene).

Certified by Intertek Testing Services and meets US and

Canada safety requirements.

CE Statement

Meets CE (European Conformity) requirements.

FCC

This device complies with Part 15 of the FCC Rules.

Operation is subject to the following two conditions: (1)

this device may not cause harmful interference, and

(2) this device must accept any interference received,

including interference that may cause undesired

operation.

Note:

• This equipment has been tested and found to

comply with the limits for a Class A digital device,

pursuant to Part 15 of the FCC Rules. These limits

are designed to provide a reasonable protection

against harmful interference when the equipment

is operated in a commercial environment. This

equipment generates, uses, and can radiate radio

frequency energy and, if not installed and used in

accordance with the instruction manual, may cause

harmful interference to radio communications.

Operation of this equipment in a residential area is

likely to cause harmful interference in which case the

user will be required to correct the interference at

their own expense.

• Modifications to this device shall not be made

without the written consent of SCS. Unauthorized

modifications may void the authority granted under

Federal Communication Rules and Industry Canada

Rules permitting the operation of this device.

• Per the European Battery Directive, Alkaline

Batteries are not provided with the equipment and

must be locally sourced.

ICES Statement

This Class A digital apparatus complies with Canadian

ICES-003.

Cet appareil numérique de la classe A est conforme à la

NMB-003 du Canada.

Limited Warranty, Warranty Exclusions, Limit

of Liability and RMA Request Instructions

See the SCS Warranty -

StaticControl.com/Limited-Warranty.aspx

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