Fluke 87V Ex User Manual

87V Ex

True-rms Multimeter

Users Manual

®

PN 2518115
December 2005

2005 Fluke Corporation. All rights reserved. Printed in USA
All product names are trademarks of their respective companies.

LIMITED WARRANTY AND LIMITATION OF LIABILITY

Each Fluke product is warranted to be free from defects in material and workmanship under normal use and service. The warranty period is one year and begins
on the date of shipment. Parts, product repairs, and services are warranted for 90 days. This warranty extends only to the original buyer or end-user customer of
a Fluke authorized reseller, and does not apply to fuses, disposable batteries, or to any product which, in Fluke's opinion, has been misused, altered, neglected,
contaminated, or damaged by accident or abnormal conditions of operation or handling. Fluke warrants that software will operate substantially in accordance
with its functional specifications for 90 days and that it has been properly recorded on non-defective media. Fluke does not warrant that software will be error
free or operate without interruption.

Fluke authorized resellers shall extend this warranty on new and unused products to end-user customers only but have no authority to extend a greater or
different warranty on behalf of Fluke. Warranty support is available only if product is purchased through a Fluke authorized sales outlet or Buyer has paid the
applicable international price. Fluke reserves the right to invoice Buyer for importation costs of repair/replacement parts when product purchased in one country
is submitted for repair in another country.

Fluke's warranty obligation is limited, at Fluke's option, to refund of the purchase price, free of charge repair, or replacement of a defective product which is
returned to a Fluke authorized service center within the warranty period.

To obtain warranty service, contact your nearest Fluke authorized service center to obtain return authorization information, then send the product to that service
center, with a description of the difficulty, postage and insurance prepaid (FOB Destination). Fluke assumes no risk for damage in transit. Following warranty
repair, the product will be returned to Buyer, transportation prepaid (FOB Destination). If Fluke determines that failure was caused by neglect, misuse,
contamination, alteration, accident, or abnormal condition of operation or handling, including overvoltage failures caused by use outside the product’s specified
rating, or normal wear and tear of mechanical components, Fluke will provide an estimate of repair costs and obtain authorization before commencing the work.
Following repair, the product will be returned to the Buyer transportation prepaid and the Buyer will be billed for the repair and return transportation charges
(FOB Shipping Point).

THIS WARRANTY IS BUYER'S SOLE AND EXCLUSIVE REMEDY AND IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING
BUT NOT LIMITED TO ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. FLUKE SHALL NOT BE LIABLE
FOR ANY SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES OR LOSSES, INCLUDING LOSS OF DATA, ARISING FROM ANY CAUSE
OR THEORY.

Since some countries or states do not allow limitation of the term of an implied warranty, or exclusion or limitation of incidental or consequential damages, the
limitations and exclusions of this warranty may not apply to every buyer. If any provision of this Warranty is held invalid or unenforceable by a court or other
decision-maker of competent jurisdiction, such holding will not affect the validity or enforceability of any other provision.

Fluke Europe B.V.
P.O. Box 1186
5602 BD Eindhoven
The Netherlands

11/99

Fluke Corporation
P.O. Box 9090
Everett, WA 98206-9090

U.S.A.

Table of Contents

Title Page

Introduction.....................................................................................................................1

Contacting Fluke ............................................................................................................1

General Safety Information.............................................................................................2

ATEX Safety Information................................................................................................2

Errors and Load Restrictions .....................................................................................5

Ex-Certification Data..................................................................................................6

The Meter's Features .....................................................................................................8

Power-Up Options .....................................................................................................15

Automatic Power-Off .................................................................................................15

Input Alert Feature..................................................................................................15

Making Measurements ...................................................................................................15

Measuring AC and DC Voltage..................................................................................15

Zero Input Behavior of True-rms Meters....................................................................17

Low Pass Filter..........................................................................................................17

Measuring Temperature ............................................................................................18

Testing for Continuity.................................................................................................18

Measuring Resistance ...............................................................................................20

Using Conductance for High Resistance or Leakage Tests.......................................22

Measuring Capacitance.............................................................................................23

Testing Diodes...........................................................................................................24

Measuring AC or DC Current.....................................................................................26

Measuring Frequency................................................................................................29

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87V Ex

Users Manual

Measuring Duty Cycle............................................................................................... 31

Determining Pulse Width........................................................................................... 32

Bar Graph ...................................................................................................................... 32

Zoom Mode (Power Up Option Only)........................................................................ 33

Uses for the Zoom Mode........................................................................................... 33

HiRes Mode ................................................................................................................... 33

MIN MAX Recording Mode ............................................................................................ 34

Smooth Feature (Power Up Option Only) ...................................................................... 34

AutoHOLD Mode........................................................................................................... 36

Relative Mode................................................................................................................ 36

Maintenance ..................................................................................................................37

General Maintenance................................................................................................ 37

Fuse Test.................................................................................................................. 37

Replacing the Battery................................................................................................ 38

Replacing the Fuses .................................................................................................39

Service and Parts........................................................................................................... 40

General Specifications................................................................................................... 45

Detailed Specifications................................................................................................... 46

AC Voltage Function ................................................................................................. 46

DC Voltage, Resistance, and Conductance Function ............................................... 47

Temperature ............................................................................................................. 48

Current Function .......................................................................................................49

Capacitance and Diode Function .............................................................................. 50

Frequency Counter ...................................................................................................50

Frequency Counter Sensitivity and Trigger Levels.................................................... 51

Electrical Characteristics of the Terminals ................................................................52

MIN MAX Recording .................................................................................................53

ii

List of Tables

Table Title Page

1. Electrical Symbols ................................................................................................................. 7

2. Inputs..................................................................................................................................... 8

3. Rotary Switch Positions......................................................................................................... 9

4. Pushbuttons .......................................................................................................................... 10

5. Display Features.................................................................................................................... 13

6. Functions and Trigger Levels for Frequency Measurements................................................. 30

7. MIN MAX Functions............................................................................................................... 35

8. Approved Batteries................................................................................................................ 39

9. Replacement Parts................................................................................................................ 42

10. Specified Accessories ........................................................................................................... 44

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87V Ex

Users Manual

iv

List of Figures

Figure Title Page

1. Display Features.................................................................................................................... 13

2. Measuring AC and DC Voltage.............................................................................................. 16

3. Low Pass Filter...................................................................................................................... 17

4. Testing for Continuity............................................................................................................. 19

5. Measuring Resistance ........................................................................................................... 21

6. Measuring Capacitance......................................................................................................... 23

7. Testing a Diode ..................................................................................................................... 25

8. Measuring Current................................................................................................................. 27

9. Components of Duty Cycle Measurements ........................................................................... 31

10. Testing the Current Fuses ..................................................................................................... 38

11. Battery and Fuse Replacement ............................................................................................. 41

12. Replaceable Parts ................................................................................................................. 43

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87V Ex

Users Manual

vi

True-rms Multimeter

Introduction

XWWarning

Read "Safety Information" before you use the
Meter.

The Fluke 87V Ex Intrinsically Safe True-rms Multimeter
(hereafter referred to as “the Meter”) is a compact and
easy to operate measurement tool for electrical and
electronic circuits.

The Meter is designed for use in potentially explosive
areas of Zone 1 or 2 as specified in Directive 1999/92/EC
(ATEX 137). Failure to follow these instructions may have
dangerous consequences.

Read the entire Users Manual before using the
Meter.

Contacting Fluke

To contact Fluke, call one of the following telephone
numbers:

USA: 1-888-44-FLUKE (1-888-443-5853)
Canada: 1-800-36-FLUKE (1-800-363-5853)
Europe: [phone]
Japan: [phone]
Singapore: [phone]
Anywhere in the world: [phone]

For USA Service: 1-888-99-FLUKE
(1-888-993-5853)

Or, visit Fluke's Web site at www.fluke.com.
To register your product, visit register.fluke.com

1

87V Ex
Users Manual

General Safety Information

The Meter complies with:

• EN61010-1:2001

• ANSI/ISA S82.01-2004

• CAN/CSA C22.2 No. 1010.1:2004

• Measurement Category III, 1000V, Pollution

Degree 2

• Measurement Category IV, 600V, Pollution

Degree 2

• Industrial use in potentially explosive areas of

zone 1 or 2, according to ATEX requirements
(ATEX 137)(see the ATEX safety instructions &
regulations section)

In this manual, a Warning identifies conditions and
actions that pose hazards to the user. A Caution
identifies conditions and actions that may damage the
Meter or the equipment under test.

Electrical symbols used on the Meter and in this manual
are explained in Table 1.

To ensure safe operation of the Meter, fully observe all
instructions and warnings contained in this manual.

ATEX Safety Information

This manual contains information and safety regulations
that must be followed to ensure safe, reliable operation of

the Meter in hazardous areas under the described
conditions. Failure to follow the information and
instructions can have dangerous consequences, or may
contravene applicable legislation.

Please take the time to read through this manual before
you start using the Meter.

To ensure safe operation of this Meter, fully observe all
instructions and warnings contained in the manual. In
case of doubt (due to translation and/or printing errors),
refer to the original English manual.

XW Warning

To avoid possible electric shock or personal
injury while working in EX-HAZARDOUS
areas, follow these guidelines:

• Do not open the Meter while in an Ex-

hazardous area.

• Change the Meter’s battery only outside

Ex-hazardous areas.

• Do not carry additional or spare batteries

in Ex-hazardous areas.

• Use only type-approved batteries in the

Meter. Refer to the “Replacing the Battery”
section for a list of approved batteries.

• Do not replace fuses while in an Ex-

hazardous area.

2

True-rms Multimeter

ATEX Safety Information

• Use only fuses approved for Ex-hazardous

areas in this Meter. See the “Replacing the
Fuses” section for a list of approved
fuses.

• After using the Meter on a non-i.s.

protected circuit, observe a 3-minute rest
period before taking the Meter into an Ex­hazardous area.

• The Meter must be completely and

securely fitted in the red holster while it is
in an Ex-hazardous area.

• Do not open function buttons inside the

Meter. Interference or damage to any of
these elements removes the Ex­protection.

• Observe the tolerances or threshold

values found in the “Specifications”
section of this manual.

• Use only allowed accessories with this

Meter in Ex-hazardous areas. See a listing
of allowed Fluke accessories at

www.Fluke.com

• Avoid using the Meter in aggressive acidic

or alkaline solutions.

• Do not use the Meter in zone 0.

.

• Never measure voltages greater than 65

volts in an Ex-hazardous area.

• Never measure currents greater than 5

amps while using the Meter in an Ex­hazardous area.

• Servicing not covered in this manual

should be performed only by the
manufacturer. Repair or service by others
may void the ATEX certification of this
Meter.

XWWarning

To avoid possible electric shock or personal
injury in ALL areas of operation, follow these
guidelines:

• Use this Meter only as specified in this

manual or the protection provided by the
Meter might be impaired.

• See the “ATEX Safety Information”

section for additional warnings on meter
use in hazardous areas.

• Do not use the Meter if it is damaged.

Before you use the Meter, inspect the
case. Look for cracks or missing plastic.
Pay particular attention to the insulation
surrounding the connectors.

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87V Ex
Users Manual

• Ensure the battery door is closed and

latched whenever operating the Meter.

• Replace the battery as soon as the

battery indicator (M) appears. See
“Replacing the Battery” section for
instructions and a list of approved
batteries.

• Remove test leads from the Meter before

opening the battery door.

• Inspect the test leads for damaged

insulation or exposed metal. Check the
test leads for continuity. Replace
damaged leads before using the Meter.

• Do not apply more than the rated

voltage, as marked on the Meter,
between the terminals or between any
terminal and earth ground.

• Use caution when working with voltages

above 30 V ac rms, 42 V ac peak, or 60 V
dc. These voltages pose a shock hazard.

• Use only the replacement fuses specified

in this Users Manual. See “Replacing the
Fuses” section for instructions and a list
of approved fuses.

• Use the proper terminals, function, and

range for measurements.

• Avoid working alone.

• When measuring current, turn off circuit

power before connecting the Meter to the
circuit. Remember to place the Meter in
series with the circuit.

• When making electrical connections,

connect the common test lead before
connecting the live test lead; when
disconnecting, disconnect the live test
lead before disconnecting the common
test lead.

• Do not use the Meter if it operates

abnormally. Protection may be impaired.
When in doubt, have the Meter serviced.

• Use only a single 9 volt battery, properly

installed in the Meter case, to power the
Meter. See “Replacing the Battery”
section for instructions and a list of
approved batteries.

• Only use replacement parts listed in the

“Parts” section of this manual. Return
the Meter to the manufacturer for all
other service needs.

• When using probes, keep your

fingers behind the probe’s finger
guards.

4

True-rms Multimeter

ATEX Safety Information

• Do not use the Low Pass Filter option to

verify the presence of hazardous
voltages. Voltages greater than what is
indicated may be present. First, make a
voltage measurement without the filter to
detect the possible presence of
hazardous voltage. Then select the filter
function.

• Do not use in wet environments.

WCaution

To avoid possible damage to the Meter or to
the equipment under test, follow these
guidelines:

• Disconnect circuit power and discharge

all high-voltage capacitors before testing
resistance, continuity, diodes, or
capacitance.

• Use the proper terminals, function, and

range for all measurements.

• Before measuring current, check the

Meter's fuses. (See "Fuse Test".)

• Observe all safety regulations and read

the certificate.

Errors and Load Restrictions

If there is any question that the safety or integrity of this
Meter is compromised, remove it from operation and the
Ex-hazardous area immediately. Also, take whatever
actions are necessary to prevent the Meter from being
accidentally placed into operation before it can be
examined and approved for operation. It is recommended
the Meter be returned to the manufacturer for
examination.

The safety and reliability of the Meter may be at risk and
discontinue use of the Meter if:

• Visible damage is evident on the Meter’s housing.

• The Meter has been subjected to excessive loads for

which it is not designed.

• The Meter has been improperly stored.

• The Meter has sustained damage in transit.

• Illegible inscriptions or lettering appears on the Meter.

• A Meter malfunction occurs.

• Obvious measuring inaccuracies occur.

• Measurements/simulations are no longer possible with

the Meter.

• Permitted tolerances or threshold values have been

exceeded.

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87V Ex
Users Manual

Ex-Certification Data

• EC-type certificate no.: ZELM 05 ATEX 0274

• Ex-designation: ( II 2 G EEx ia IIC T4

Measuring range: 65 V Max in Ex-hazardous areas.
5 A Max. in Ex-hazardous areas

• Power supply: 9 Volt block type, IEC 6LR61 (See

Table 8 for approved batteries.)

• Measuring protected electric circuits:

Voltage-Mass (V/Ω - COM):
Ui = 65 V Uo = 10.35 V Co = 2.52 µF
Io = 4.0 mA. Lo= 100 mH
Current-Mass (µA/mA & A - COM):
li = 5 A Uo=2.8 V Co = 1000 µF
Io = 68 mA Lo = 8 mH.

• Approved for Zones 2 and 1, device group II, gas group

C potentially explosive gases, vapours and mist,
temperature class T4.

6

True-rms Multimeter

ATEX Safety Information

Table 1. Electrical Symbols

B
F

E

M

X

W

CAT

III

P

s

AC (Alternating Current)

DC (Direct Current)

Capacitance

Battery. Low battery when displayed.

Hazardous voltage

Risk of Danger. Important information. See
Users Manual.

IEC Measurement Category III
CAT III equipment is designed to protect
against transients in equipment in fixed­equipment installations, such as distribution
panels, feeders and short branch circuits, and
lighting systems in large buildings.

Conforms to European Union directives.

Inspected and licensed by TÜV Product
Services.

J

I

G

R
T

=

CAT

IV

)

(

Earth ground

Fuse

Diode

Continuity test or continuity beeper tone.

Double insulated

Do not mix with solid waste stream. Dispose
using a qualified recycler or hazardous material
handler.

IEC Measurement Category IV
CAT IV equipment is designed to protect
against transients from the primary supply
level, such as an electricity meter or an
overhead or underground utility service.

Conforms to relevant Canadian and U.S.
Standards.

Conforms to ATEX directive.

7

87V Ex
Users Manual

The Meter's Features

Tables 2 through 5 and Figure 1 briefly describe the Meter's features.

Table 2. Inputs

Terminal Description

A Input for 0 A to 10.00 A current (20 A overload for 30 seconds maximum), current frequency, and duty cycle

measurements.

mA µA Input for 0 µA to 400 mA current measurements (600 mA for 18 hrs.) and current frequency and duty cycle.
COM Return terminal for all measurements.

I Input for voltage, continuity, resistance, diode, capacitance, frequency, temperature, and duty cycle

measurements.

8

True-rms Multimeter

The Meter's Features

Table 3. Rotary Switch Positions

Switch Position Function

Any Position When the Meter is turned on, the Meter model number briefly appears on the display.

J AC voltage measurement

Press

A for low pass filter (K).

L DC voltage measurement

M

600 mV dc voltage range
Press A for temperature (T).

N Press E for continuity test.

e Resistance measurement
Press A for capacitance measurement.

O Diode test

P

Q

9

AC current measurements from 0 mA to 10.00 A
Press

A for dc current measurements, from 0 mA to 10.00 A.

AC current measurements from 0 µA to 6000 µA
Press

A for dc current measurements from 0 µA to 6000 µA.

87V Ex
Users Manual

Table 4. Pushbuttons

Button

A

(Yellow)

Switch

Positon

N

M

J

P
Q

Power-up Disables automatic power-off feature (Meter normally powers off in 30 minutes).

B

C

Any switch
position

Power-up

Any switch
position

M

Power-up

Function

Selects capacitance

Selects temperature

Selects ac low pass filter function

Switches between dc and ac current

Switches between dc and ac current

The Meter reads

Starts recording of minimum and maximum values. Steps the display through MAX, MIN, AVG
(average), and present readings. Cancels MIN MAX (hold for 1 second)

Enables the Meter’s calibration mode and prompts for a password.
The Meter reads “

Switches between the ranges available for the selected function. To return to autoranging, hold
the button down for 1 second.

Switches between °C and °F.
Enables the Meter’s smoothing feature. The Meter reads “

“PoFF” until A is released.

CAL“ and enters calibration mode. See 87V Ex Service Information.

5___” until C is released.

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True-rms Multimeter

The Meter's Features

Table 4. Pushbuttons (cont.)

Button

D

H

E

Switch

Positon

Any switch
position

MIN MAX
recording

Frequency
counter

Power-up

Any switch
position

Continuity
ReE

MIN MAX
recording

Hz, Duty
Cycle

Power-up

Function

AutoHOLD (formerly TouchHold) captures the present reading on the display. When a new,
stable reading is detected, the Meter beeps and displays the new reading.

Stops and starts recording without erasing recorded values.

Stops and starts the frequency counter.

Turns on all LCD segments.

Turns the backlight on, makes it brighter, and turns it off.

Hold

H down for one second to enter the HiRes digit mode. The “HiRes” icon appears on the

display. To return to the 3-1/2 digit mode, hold

Turns the continuity beeper on and off

Switches between Peak (250 µs) and Normal (100 ms) response times.

Toggles the meter to trigger on positive or negative slope.

Disables the beeper for all functions. The Meter reads “

H down for one second. HiRes=19,999

bEEP” until E is released.

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87V Ex
Users Manual

Table 4. Pushbuttons (cont.)

Button Switch Positon Function

F

(Relative
mode)

G

12

Any switch
position

Power-up

Any switch
position except
diode test

Power-up

Stores the present reading as a reference for subsequent readings. The display is
zeroed, and the stored reading is subtracted from all subsequent readings.

Enables zoom mode for the bar graph. The Meter reads “

G for frequency measurements.

Press
Starts the frequency counter.
Press again to enter duty cycle mode.
Enables the Meter’s high impedance mode when the mV dc function is used.

The Meter reads “Hi2” until G is released.

2rEL” until F is released.