Aemc instruments 603 User Manual

 CLAMP-ON METER

User Manual

ENGLISH

603

2

CONTENTS

RECEIVING YOUR SHIPMENT ........................................................................... 7

ORDERING INFORMATION ................................................................................ 7

1 PRESENTATION .......................................................................................... 8

1.1 THE ROTARY SWITCH ................................................................................. 9

1.2 THE FUNCTION BUTTONS ........................................................................ 10

1.3 THE DISPLAY .............................................................................................. 11

1.3.1 Display Symbols ........................................................................... 11

1.3.2 Measurement Capacity Exceeded (OL) ........................................ 12

1.4 THE TERMINALS ........................................................................................ 12

2 THE BUTTONS ........................................................................................... 13

2.1

2.2 (YELLOW) BUTTON (SECOND FUNCTION) ............................................ 14

2.3 BUTTON ............................................................................................. 14

2.4 BUTTON ........................................................................................... 15

2.4.1 Normal Mode ................................................................................ 15

2.4.2 The MAX/MIN Mode + Activation of the HOL D Mode ................... 16

2.4.3 Access to the True Inrush® Mode ( set to ) ................. 16

2.5

2.5.1 Normal Mode ................................................................................ 17

2.5.2 The Hz Function + Activation of the HOLD Mode ......................... 17

2.6 BUTTON ........................................................................................... 18

3 USE ............................................................................................................. 19

3.1 INSTALLING THE BATTERIES ................................................................... 19

3.2 TURNING THE CLAMP-ON METER ON .................................................... 19

3.3 TURNING THE CLAMP-ON METER OFF .................................................. 19

3.4 CONFIGURATION ....................................................................................... 20

3.4.1 Configuring the Maximum Resistance for Continuity .................... 20

3.4.2 Auto Power OFF ........................................................................... 20

3.4.3 Configuring the Threshold for True InRush® Measurement .......... 20

3.4.4 Changing the Default Temperature U nit ....................................... 21

3.4.5 Configuring the Adapter Function Sc ale Factor ............................ 21

3.4.6 Default Configuration .................................................................... 22

3.5 VOLTAGE MEASUREMENT (V) ................................................................. 22

3.6 CONTINUITY TEST ............................................................................... 23

3.6.1 Lead Resistance Compensation ................................................... 23

3.7 RESISTANCE MEASUREMENT Ω ............................................................. 24

3.8 DIODE TEST ......................................................................................... 24

3.9 CURRENT MEASUREMENT (A) ................................................................ 25

3.9.1 AC Measurement .......................................................................... 25

BUTTON ............................................................................................... 13

BUTTON ............................................................................................. 17

3

DC Measurement .......................................................................... 26

3.9.2

3.10 STARTING CURRENT OR OVERCURRENT (True InRush®)

MEASUREMENT ......................................................................................... 27

3.11 FREQUENCY MEASUREMENT (HZ) ......................................................... 27

3.11.1 Frequency Measurement (V) ........................................................ 27

3.11.2 Frequency Measurement (A) ........................................................ 28

3.12 TEMPERATURE MEASUREMENT ............................................................ 29

3.12.1 Measurement without External Sensor ......................................... 29

3.12.2 Measurement with External Sensor .............................................. 29

3.13 ADAPTER FUNCTION MEASUREMENT ................................................... 30

4 SPECIFICATIONS ...................................................................................... 31

4.1 REFERENCE CONDITIONS ....................................................................... 31

4.2 SPECIFICATIONS UNDER THE REFERENCE CONDITIONS ................. 31

4.2.1 DC Voltage Measurement ............................................................. 31

4.2.2 AC Voltage Measurement ............................................................. 32

4.2.3 DC Current Measurement ............................................................. 32

4.2.4 AC Current Measurement ............................................................. 33

4.2.5 True Inrush® Measurement ........................................................... 33

4.2.6 Continuity Measurement ............................................................... 33

4.2.7 Resistance Measurement ............................................................. 34

4.2.8 Diode test ...................................................................................... 34

4.2.9 Frequency Measurements ............................................................ 34

4.2.10 Temperature Measurement ........................................................... 35

4.2.11 Adapter Function Measurement .................................................... 36

4.3 ENVIRONMENTAL CONDITIONS .............................................................. 36

4.4 MECHANICAL SPECIFICATIONS .............................................................. 37

4.5 POWER SUPPLY ........................................................................................ 37

4.6 COMPLIANCE WITH INTERNATIONAL STANDARDS ............................. 37

4.7 ENVIRONMENTAL VARIATIONS ............................................................... 38

5 MAINTENANCE .......................................................................................... 39

5.1 WARNING .................................................................................................... 39

5.2 CLEANING ................................................................................................... 39

5.3 REPLACEMENT OF THE BATTERIES ...................................................... 39

6 REP AIR AND CAL IBRATION .................................................................... 40

7 TECHNICAL AND SALES ASSISTANCE .................................................. 40

8 LIMITED WARRANTY ................................................................................ 41

9 WARRANTY REPAIRS .............................................................................. 41

4

Thank you for purchasing a Model 603 Clamp-on Meter.

For best results from your instrument and for your safety, read the enclosed
operating instructions carefully an d comply with the precautions for use. These
products must be only used by qualified and trained users.

Meanings of the symbols used on the device

CAUTION - Risk of Danger! Indicates a WARNING and that the operator

must refer to the user manual for instructions before operating the
instrument in all cases where this symbol is marked.

Risk of electric shock. The voltage at the parts marked with this s ymbol
may be dangerous.

Refers to a type A current sensor. This symbol signifi es that application
around and removal from HAZARDOUS LIVE conductors is permitted.

1.5 V battery

The CE marking indicates compliance with European directives

Double insulation or reinforced insulation
In the European Union, this product is subject to a separate collection

system for recycling electrical and electronic components In accordance
with directive WEEE 2002/96/EC

AC – Alternating current
AC and DC – Alternating and direct current
Ground/Earth

5

PRECAUTIONS FOR USE

This device complies with safety standards IEC-61010-1 and 61010-2-032 for voltages of
1000V in category IV at an altitude of less than 2000m, indoors, with a degree of pollution
not exceeding 2.
These safety instructions are intended to ensure the safety of persons and proper operation
of the device.

 The operator and/or the responsible authority must carefully read and clearly

understand the various precautions to be taken in use.

 If this ins trument is used other than as specified, the protection it provides may be

compromised, thereby endangering you.

 Do not use the instrument in an explosi ve atmos phere or in the pres ence of fl ammable

gases or fumes.

 Do not use the instrument on networks of which the voltage or category exceeds those

mentioned.

 Do not exceed the rated ma ximum voltages and currents between terminals or with

respect to earth.

 Do not use the i nstrument if it appears to be damaged, incomplete, or not properly

closed.

 Before each use, check the condition of the insulation on the leads, housing, and

accessories. Any element of which the insulation is deteriorated (even partiall y) must
be set aside for repair or scrapped.

 Use leads and ac cessories rated for voltages and categories at least equal to those of

the instrument. If not, an accessory of a lower category lowers the category of the
combined Clamp + accessory to that of the accessory.

 Observe the environmental conditions of use.
 Do not modif y the instrument and only use factory replacement parts. Repairs and

adj

ustments must be done by approved qualified personnel.

 Replace the batt eries as soon as the symbol app ears on the display of the unit.

Disconnect all leads before opening the battery compartment cover.

 Use personal protective equipment when conditions require.
 Keep your hands away from the unused terminals of the instrument.
 When handling the tes t probes, alligator clips, and clamp ammeters , keep your fingers

behind the physical guard.

 As a safety measure, and to avoid repeated overloads on the inputs of the device,

configuration operations should only be performed when the device is disconnected
from all dangerous voltages.

6

MEASUREMENT CATEGORIES

Definitions of the measurement cat egories :
CAT II: Circuits directly connected to the low-voltage installation.

Example: power supply to household electrical appliances and portabl e tools.

CAT III: Power supply circuits in the installation of the building.

Example: distribution panel, circuit-breakers, fixed industrial machines or
devices.

CAT IV: Circuits s upplying the low-voltage installation of the building.

Example: power lines, meters, and protection devices.

RECEIVING YOUR SHIPMENT

Upon receiving your shipm ent, make sure that the contents are consistent with the
packing list. Notify your d istributor of any missing it ems. If the equipm ent appears
to be damaged, file a cla im immediat ely with t he carrier a nd notif y your distrib utor
at once, giving a detailed descript ion of any damage. Save the damaged packing
container to substantiate your claim.

ORDERING INFORMATION

Clamp-on Meter Model 603 .......................................................... Cat. #2139.31

Includes set of 2 color-coded silicone insulated te st leads, test probes and alligator clips,
K-thermocouple with 4mm integrated adapter, soft carrying case, 4x1.5V AA batteries and
user manual.

Replacement Parts:

K-thermocouple with 4mm Integrated Adapter ................................................. Cat. #2139.71

Soft Carrying Case ........................................................................................... Cat. #2139.72

Set of 2 Color-coded Silicone Test Leads, Test Probes & Alligator Clips ........ Cat. #2152.05

7

1

3

2

7

1 PRESENTATION

ring marks

The Clamp-on Meter Model 603 is a professional electrical measuring i nstrument
that combines the following funct i ons :

 Current measurement
 Measurement of InRush current / overcurrent (True InRush
 Voltage measurement
 Frequency measurement
 Continuity test with buzzer
 Resistance measurement
 Diode test
 Temperature measurement
 Adapter functi on (for use with external transducer s/measurement

devices)

®

)

Item

Jaws with cente

1

(see connection principles)

2 Physical Guard ­3 Rotary Function Switch 1.1
4 Function Buttons 2
5 Backlit Display 1.3

4

5

6

6 Input Terminals 1.4
7 Trigger -

Designation See §

3.5 to

3.12

Figure 1: Clamp-on Meter Model 603

8

1.1 THE ROTARY SWITCH

1 2 3 4 5

The rotary switch has six positions. To access the , , , , ,
functions, set the switch to th e desired function. The functi ons are described in
the table below.

6

Figure 2: The Function Rotary Switch

Item Function See §

1 OFF mode – Turns the clamp-on meter off 3.3
2 AC, DC voltage measurement (V) 3.5
3 Continuity test

Resistance measurement Ω

Diode test
4 AC, DC current measurement (A) 3.9
5 Temperature measurement (°C/°F) 3.12
6 Adapter function 3.13

3.6

3.7

3.8

9

1.2 THE FUNCTION BUTTONS

1 2 3

4 5 6

Figure 3: The Function Buttons

Item Function See §

1 Holds the last value on the display

Zero correction A

Lead resistance compensation in the continuity and
ohmmeter functions

2 Selects the type of measurement and configuration

functions (AC, DC)
3 Enables/disables display backlighting 2.3
4 Enables/disables the MAX/MIN mode

Enables/disables the True InRush
5 Performs Frequency measurements (Hz) 2.5
6 Activation of ΔREL mode – Displays differential and

relative values

DC

®

mode

2.1

3.9.2

3.6.1

2.2

2.4

2.6

10

1.3 THE DISPLAY

∆

∆

4

6

1

2

3

7

5

Figure 4: The Display

Item Function See §

1 Mode selection display 2
2 Active measurement value and unit display 3.5 to 3.12
3 Display of the MAX/MIN modes 2.4
4 Type of measurement (AC or DC) 2.2
5 Selected resistance measurement display 1.1
6 Low battery indication 5.3
7 Temperature unit display 3.4.4

1.3.1 Display Symbols

Symbol Designation

AC Alternating current or voltage
DC Direct current or voltage

REL

Ref

Max Maximum DC or RMS value

Min Minimum DC or RMS value

V Volt

Relative value, with respect to a reference
Reference value
Storage of the values and display hold

11

Hz Hertz

A Ampere

°C/°F Temperature unit Celsius or Fahrenheit

% Percentage

Ω Ohm

m Milli- prefix

k Kilo- prefix

Lead resistance compensation
Continuity test
Diode test
Auto Power Off disabled
Low battery indicator

1.3.2 Measurement Capacity Exceeded (OL)

The OL (Over Load) symbol is displayed when the display capacity is exceeded.

1.4 THE TERMINALS

The terminals are used as follows:

1 2

Figure 5: The Terminals

Item Function

1

COM (black) Input Terminal Jack

2 + Positive (red) Input Terminal Jack

12

This mode operates if the MAX/MIN or

2 THE BUTTONS

The buttons respond differently to short, long, and sustained presses.
The , and keys provide additional functions as well as the
detection and acquisition of parameters complementary to the basic
measurements.

• Each of these buttons can be used independently of the others or in
conjunction with each other. T his makes navigation simple and intuit ive
when reviewing measurement results.

• It is possible, for example, to either look up in turn s equence the MAX,
MIN, etc. values of the RMS voltag e alone, then display relat ive values
in parallel

In this section, the icon represents the possible positions of the s witc h for the
button’s functionality.

2.1

BUTTON

This button is used to:

 Store and look up the last values acquired specif ic to each function (V, A,

Ω, T°, Adp) according to the spec ific m od es prev ious l y ac ti v ated (M A X/MIN,
Hz, ΔREL). The present display is then maintain ed while the detection and
acquisition of new values continues.

 Perform automatic lead resistance compensation (see § 3.6.1).
 Perform automatic zero correction in A

Successive
presses on

long

(> 2 sec)

long

(> 2 sec)

First press: Holds the display of the last value
displayed

Second press: Returns to normal display mode
(the value of each new measurement is
displayed)

ADC Performs automatic zero correction (see

NOTE:

HOLD modes (short press) are first de activated

Performs automatic lead resistance
compensation (see 3.6.1)

DC (see § 3.9.2).

Function

3.9.2)

See § 2.4.2 and § 2.5.2 for the button functionality in combination with the

and buttons.

13

2.2 (YELLOW) BUTTON (SECOND FUNCTION)

This button is used to select the t ype of measurement (AC , DC) and the secon d
functions marked in yellow next to the r el evant positions of the switch.

It can also be used to modify the default values in the configuration mode
(see § 3.4).

NOTE: This button is invalid in the MAX/MIN, HOLD and ΔREL modes.

Successive

presses on

- Selects AC or DC. Depending on your
choice, the screen displays AC or DC

- C

ycles through the continuity , Ω and
diode test modes and returns to the
continuity test

elects °C or °F as the temperature unit

- S

Func

tion

2.3 BUTTON

Successive

presses on

- Enables/disables the backlighting of the
display

NOTE: The backlighting is automatically disabled at the end of 2 minutes.

Func

tion

14

2.4 BUTTON

he MAX and MIN symbols are

If MIN has been selected, MIN

f the HOLD function is activated,

mode. The HOLD function must first be

2.4.1 Normal Mode

This button activates the detection of the MAX and MIN values of the
measurements mad e. Max and Min are the extreme mean values in DC and the
extreme RMS values in AC.

NOTE: In this mode, the Auto Po wer Off function of the device is automat ically

disabled. The symbol is displayed on the screen.

Successive presses on

First press: Activates detection of the

MAX/MIN values
Second press: Displays the MAX or MIN

value successively
Third press: Returns to the display of the

short

long (> 2 sec)

OTE : ΔREL function can be used with the functions of the MAX/MIN mode.

N

present measurement without exiting from
the mode (the values already detected are
not erased)

NOTE: T
both displayed, but only the symbol of the
measurement selected blinks.

Example:
blinks and MAX is lit steadily.

- Exits the MAX/MIN mode. The values
previously recorded are then erased.

NOTE: I

it is not possible to exit from the MAX/MIN
disabled first.

Func

tion

15

2.4.2 The MAX/MIN Mode + Activation of the HOLD Mode

detected.

Successive presses on

short

- Di

splays the MAX/MIN values detected

before the button was pressed.

Func

tion

- When the button is pressed, the
last value is held on the display.

NOTE: The HOLD function does not interrupt the acquisition of new MAX, MIN values

2.4.3 Access to the True Inrush® Mode ( set switch to )

This button allows measurement of t he True Inrush® current (starting current, or
overcurrent in steady-state operation) for AC or DC current.

Successive presses on

l

ong (>2 sec)

- F

irst press: Enters the True InRush

mode

- "Inrh" is displayed for 3s (the

backlighting blinks)

- The triggering threshold is displayed for

5s (the backlighting is steady)

- "------" is displayed and the "A" symbol

flashes (backlighting turns off)

- After detection and acquisition, the

InRush current measurement is
displayed, after the calculations stage "--

----" (backlighting off)

NOTE: The A symbol flashes to indicate

"surveillance" of the signal.

Func

tion

®

short (<2 sec)

Note: A short press

is functional only if a True

InRush value has been

- Second press: Exits the True InRush®

mode (returns to simple current
measurement).

- Displays the PEAK+ value of the current

- Displays the PEAK- value of the current

- Displays the RMS True InRush

®

current

NOTE: The A, AC and PEAK values flash

during this sequence.

16

2.5

This button is used to display the f requency measurements of a signal.

NOTE: This button is not functional in the DC mode.

BUTTON

2.5.1 Normal Mode

Successive

presses on

Displays:

- The frequency of the signal measured

- The present voltage (V) or current (A)
measurement

Function

2.5.2 The Hz Function + Activation of the HOLD Mode

presses on

Successive

- Holds the last frequency reading

- Successively displays the last held
frequency, then the voltage or the current

- NOTE: Pressing the button a second
time returns to realtime measurement
updates.

Function

17

2.6 BUTTON

This button is used to display and store the reference value in the unit of
magnitude measured, or to display the differential and relative values, in %.

Successive

presses on

Enters the ΔREL mode, to store, then display the reference
value. The ΔRef symbol is displayed.

- Displays the differential value:
(current value – reference (∆))

short

long (>2 sec) - Exits from the ΔREL mode

NOTE: The “Relative mode

The ΔREL symbol is displayed.

- Displays the relative value in %
(current value – reference (∆))
The ΔREL and % symbols are displayed.

- Displays the reference. The ΔRef symbol is displayed

- Displays the current value. The ΔRef symbol blinks.

ΔREL” function can also be used with the functions of

the MAX/MIN mode.

Function

18

3 USE

3.1 INSTALLING THE BATTERIES

Insert the batteries supplied with the device as follows:

1. Using a screwdriver, unscrew the battery compartment cover (item 1)
from the back of the housing.

2. Ins ert the 4x1.5V AA batteries supplied (item 2), observing polarities.

3. Close the battery compartment cover and sc rew it onto the housing.

2

1

Figure 6 : The Battery Compartmen t

3.2 TURNING THE CLAMP-ON METER ON

• With the rotary switch set in the OFF position, turn the switch to the
desired function. The display lights (all symbols) f or a few seconds (see

§1.3), then the screen of the function chosen is displayed.

• The clamp-on meter is now ready to make measurements .

3.3 TURNING THE CLAMP-ON METER OFF

The clamp-on meter can be turned off in two ways:

• Manually - Turn the switch to the OFF position.

• Automatically - After ten minu tes with no act ivit y, the inst rument will tur n

OFF. Thirty (30) seconds before the dev ice is switched off, an audible
signal sounds intermittently. To r e-activate the device, pres s any button
or turn the rotary switch.

19

3.4 CONFIGURATION

As a safety measure, and to avoid repeated overloads on the inputs of the
device, configuration operations should only be performed when the device is
disconnected from all dangerous voltages.

3.4.1 Configuring the Maximum Resistance for Continuity

To configure the maximum resistance allowed for a continuity:

1. Wit h the switch in the OFF position, hold the (yello w) button down
while turning the switch to until the "full screen" displa y ends and a
beep is emitted. The display will indicate the value below which the
buzzer is activated and the symbol is displayed. The value stored by
default is 40Ω. The possible values range between 1Ω and 999Ω.

2. T o change the thresho ld, press the (yellow) button. T he right-hand
digit flashes; each press on the (yellow) button inc rements it. To
shift to the next digit, apply a long press (>2s) to the (yellow)
button.

When the desired value is displayed, turn the switch to another setting. The
detection threshold chosen is s tored and a double beep is emitted.

3.4.2 Auto Power OFF

The Auto Power OFF feature is enabled by default. To disable it, perform the
following:

1. In t he OFF position, hold the button down while turning t he switch
to until the "full screen" display ends and a b eep is emit ted. T he
symbol is displayed.

2. When t he button is r eleased, the dev ice is in the v oltmeter f unction
in the normal mode.

3. T o return to Auto Power OFF, turn the clamp-on meter OFF and then
back ON again.

3.4.3 Configuring the Current Threshold for True InRush® Measurement

To configure the triggering cur rent threshold of the True InRush

1. In the OFF position, hold the button do wn while turning the s witch
to until the "full screen" display ends and a beep is emitted. The
display will indicate the perc entage overshoot to app ly to the measured
current to determine the measurement triggering threshold.

The value stored by default is 10%, representing 110% of the
established current measured. The possible values are 5%, 10%, 20%,
50%, 70%, 100%, 150%, and 200%.

20

®

measurement:

2. To change the threshold, press the (yellow) button. The value
flashes; each press on the (yellow) button displays the ne xt value.
To record the chosen threshold, apply a long press (>2s) on the

(yellow) button. A confirmation beep is emitted.

When the desired value is displayed, turn the switch to another setting. The
chosen threshold is stored and a double beep is emitted.

NOTE: The starting (InRush) c urrent me asurement triggering threshol d is f ixe d a t
1% of the least sensitive range. T his value i s 1% of 99. 99A or 1A. This thr eshold
is not adjustable.

3.4.4 Changing the Default Temperature Unit

To change the measurement unit, ° C or °F:

1. In t he OFF position, hold the (yello w) button down while turning

the switch to until the "full screen" display ends and a beep is
emitted. The display will indicate the currently assi gned unit (°C or °F).
The default unit is °C.

2. Pressing the (yellow) button toggles between °C and °F.

When the desired unit is displ ayed, turn the switch to another setting. The unit
chosen is stored and a double beep is emitted.

NOTE: Pressing the (yellow) button during an active temperature
measurement will toggle between °C and °F.

3

.4.5 Configuring the Adapter Function Scale Factor

To configure the Adapter function sc ale factor :

1. From the OFF position, hold the (yellow) button down while

turning the switch to until the "full screen" display ends and a
beep is emitted, to enter configuration mode. The display unit indicates
the stored scale factor value.
The default stored value is 1. The possible values are, in order:
1, 10k, 100k, 100m, 10m, 1m, 100, 10. (see §3.13)

2. To change the value of the scale factor , pres s the ( yellow) button.

The currently active scale factor is displayed. Each press of the
(yellow) button displays the next value in the list above.

Once the scale factor displayed has been chosen, turn the switch to another
position. The value chosen is stored and a double beep is emitted.

21

3.4.6 Default Configuration

To reset the clamp-on meter to its default parameters (factory configuration):

1. In t he OF F posit ion, h old t he (yellow) butt on down while turning the
switch to , until the "full screen" display ends and a beep i s emitted.
The "rSt" symbol is displayed.

2. Af ter 2 s, the clamp-on meter emits a double beep, then all of the digital
symbols of the screen are displayed until the (yellow) button is
released. The default paramet ers are then restored:

• Continuity detection threshold = 40Ω

• True InRush triggering threshold = 10%

• Temperature measurement unit = °C

• Adapter function scale factor = 1

3.5 VOLTAGE MEASUREMENT (V)

To measure voltage, proceed as follows:

1. Set the switch to .

2. Con nect the blac k lead to th e COM terminal and the red lea d to the "+"
terminal.

3. Connect the test probes or the alligator clips to the circuit to be
measured. The device selects AC or DC automatically according to
which measured value is larger. The AC or DC symbol displ ays blinking
in auto detect mode.

To select AC or DC manually, press the (yellow) button to toggle bet ween
them. The symbol corresponding to t he c hoice will then display.

The measured value is displayed on the screen.

22

3.6 CONTINUITY TEST

Warning: Before performing the test, make sure that the circuit is off and all
capacitors have been discharged.

1. Set the switch to ; the symbol is displayed.

2. Con nect the black lead to the COM terminal and the red lead to the "+"
terminal.

3. Con nect the test probes or the allig ator clips t o the circuit or component
to be measured.

An audible signal is emitted if there is c ontinuity (resistance value is bel ow the
maximum threshold, see § 3.4.1) and the measured value is displayed on the
screen.

3.6.1 Lead Resistance Compensation

Warning: Before the compensation is executed, the MA X/MIN and HO LD m odes
must be de-activated.

To perform automatic compensation of the test lead resistance, proceed as
follows:

1. Short-circuit the leads connected to t he meter.

2. Hold the button down until the display unit indicates the lowest
value. The device measures the resist ance of the leads.

3. Release the button. The correction and the symbol are
displayed. The value displaye d is stored.

NOTE: The correction value is stored only if it is ≤ 2Ω.

Above 2Ω, the value displayed blink s and is not stored.

23

3.7 RESISTANCE MEASUREMENT Ω

Warning: Before making a resistance measurement , make s ure that t he circ uit is
off and all capacitors have been disch arged.

1. Set the switch to and press the (yellow) button. The Ω symbol
is displayed.

2. Con nect the black lead to the COM terminal and the red lead to the "+"
terminal.

3. Con nect the test probes or the allig ator clips t o the circuit or component
to be measured.

The measured value is displayed on the screen.
NOTE: To measure low resistance values, first perform lead resistance

compensation (see § 3.6.1).

3.8 DIODE TEST

Warning: Before perf orming the diode test, make sure that t he circuit is off and
all capacitors have been discharge d.

1. Set the switch to and press the (yellow) button t wice. The
symbol is displayed.

2. Con nect the black lead to the COM terminal and the red lead to the "+"
terminal.

3. Connect the test probes or the alligator clips to the component to be
tested.

24

The measured value is displayed on the screen.

4. Rever se the leads on the diode and repeat the test.

3.9 CURRENT MEASUREMENT (A)

The jaws are opened by pressing the tr igger on t he body of the meter. The arro w
on the jaws of the clamp-on met er (see the diagram below) should point in the
presumed direction of current flow, from the generator to the load. Make sure that
the jaws have closed correctly after clamping around the conductor.

NOTE: The measurement results are opt imal when the conductor is cent ered in
the jaws (aligned with the centeri ng m arks).

The device selects AC or DC automat ic all y a cc ordi ng to which measured value is
larger. The AC or DC symbol displays blinking in auto detect mode.

3.9.1 AC Measurement

For an AC current measurement, proceed as follows:

1. Set the switch to and select AC by pressing the (yellow
button). The AC symbol is displayed.

2. Clamp the jaws around the conductor to be measured. The device
selects AC or DC automatically.

The measured value is displayed on the screen.

25

3.9.2 DC Measurement

Set the switch to and select DC if the display does not indicat e "0"; the DC
zero must be corrected first.

Step 1: Correction of DC Zero

Important: The clamp must not be closed on the conductor during the DC zero
correction. Hold the clamp in t he same position during the whole procedure s o
that the correction value will be exact.

Press the button until t he device emits a double beep and disp lays a value
near "0". The correction value is stored until the clamp is powered do wn.

NOTE: The correction is eff ected only if the value disp layed is < ±10A , otherwis e
the value displayed blinks an d is not st or ed. The clamp must be recalibrat ed (s e e

§ 5.3)

Step 2 : Make a Measurement

1. T he switch is set to . Select DC by pressing the (yellow) button
until the desired choice is reached.

2. Clamp the jaws around the conductor to be measured.

The measured value is displayed on the screen.

26

3.10 STARTING CURRENT OR OVERCURRENT (True InRush®) MEASUREMENT

To measure a starting current or overcurrent, proceed as foll ows:

1. Set the switch to , correct the DC zero (see §3.9.2), then clamp the
jaws around the conductor to be measured.

2. Perform a long press on the button. The InRh symbol is
displayed, along with the triggering threshold. The clamp then awaits
detection of the True InRush® current. "------" is displayed and the A
symbol flashes.

3. Af ter detection and acquisition for 100 ms, the RMS value of the True

®

InRush

current is dis played. Pressing the button will display the

PEAK+/PEAK- values subsequently.

4. A long press on the button o r a change of function on the rotary
switch will exit the True InRush

®

mode.

NOTE: The triggering threshold in A is 20A if the initial current is zero (starting of
installation). For an established current (overload in an installation) see §3.4.3.

3.11 FREQUENCY MEASUREMENT (HZ)

The frequency measurement is avail able in V and A for AC measureme nts. The
measurement is based on a count of zero c rossings (positive-going edges).

3.11.1 Frequency Measurement (V)

To measure the frequency in voltage, proceed as follows:

1. Set the switch to and press the button. The Hz symbol is displayed.

2. Select AC by pressing the (yellow) button u ntil the desired choice
is reached.

3. Con nect the black lead to the COM terminal and the red lead to the "+"
terminal.

4. Connect the test probes or the alligator clips to the circuit to be
measured.

27

The measured value is displayed on the screen.

3.11.2 Frequency Measurement (A)

1. Set the switch to and press the button. The Hz symbol is
displayed.

2. Select AC by pressing the ( yellow) button until desired choice is
reached.

3. Clamp the jaws around the conductor to be m easured.

The measured value is displayed on the screen.

28

3.12 TEMPERATURE MEASUREMENT

3.12.1 Measurement without External Sensor

1. Set the switch to .

The temperature (blinking) dis played is the internal temperatur e of the device. It
will be equal to the ambient temperature after a sufficiently long thermal
stabilization time (at least one hour).

3.12.2 Measurement with External Sensor

The device measures the temperature using a K-thermocouple.

1. Con nect the K-thermocouple t o the COM and “+” input terminals of t he
device observing the red and black banana plug polarity.

2. Set the switch to .

3. Place the K-thermocouple on the element or environment to be
measured. It must not be at a dangerous v ol tage.

The temperature will be displayed on the screen.
To change the unit to either °F or °C, pr ess the (yellow) button.

NOTE:

- If the external sensor is defective, the tem perature displayed blinks.

- If there are lar ge variations of the initial temperatur e environment of the
meter and the measurement environment, the measurement must be
preceded by a stabilization time.

29

3.13 ADAPTER F UNCTION MEASUREMENT

This function makes it possible t o connect any ada pter or sensor that c onverts a
measured electrical or physical quantity into a voltage (eith er D C or AC). A direct,
immediate reading is obtained without applying a conversion factor.

The measurement mode, AC or DC (the d ef ault ), must be chos e n man ual ly usin g
the yellow button.

The scale factor for the adapter or sensor must be chosen in advance in the
instrument’s set-up (§3.4.5). The table below indicates the various
adapter/sensor sensitivities th at allow a direct reading once the scale fac tor has
been chosen.

Adapter/Sensor

Sensitivity

(examples in Amps)

10 mV/kA (0.01 mV/A) 10 k

100 mV/kA (0.1 mV/A) 100 k

1 mV/A 1

10 mV/A 10

100 mV/A 100

1000 mV/A (1 mV/mA) 1 m

10 mV/mA 10 m

100 mV/mA 100 m

Scale Factor to be

Programmed

NOTE: The examples given in Amps are valid for other quantities:
humidity (%RH), illumination (lux), speed (m/s), flow, (GPM) etc.

1. Connect the black lead to the COM terminal and the red lead to the "+"
terminal.

2. Set the switch to .

3. Select the AC or DC mode.

4. Con nect the adapter according to its directions for use.

30

4 SPECIFICATIONS

Measurement range

0.00 to 99.99V

100.0 to 999.9V

1000V (1)

Specified
measurement range

0.00 to 9.99V

±(1% R +3cts)

Resolution

0.01V

0.1V

1V

Input impedance

10MΩ

4.1 REFERENCE CONDITIONS

Quantities of Influence Reference Conditions

Temperature: 23°C ±2°C
Relative humidity: 45% to 75%
Supply voltage: 6.0V ±0.5V
Frequency range of the applied signal: 45 to 65Hz
Sine wave: pure
Peak factor of the applied alternating signal: √2
Position of the conductor in the clamp: centered
Adjacent conductors: none
Alternating magnetic field: none
Electric field: none

4.2 SPECIFICATIONS UNDER THE REFERENCE CONDITIONS

Accuracy is expressed in ± (x% of the reading (R) + y counts (ct)).

4.2.1 DC Voltage Measurement

Accuracy

Note (1) The display indicates "+OL" above + 2000V and "-OL"

0 to 100% of the measurement range

±(1% R + 10cts)

10.00 to 99.99V

below – 2000V, in REL mode. The "-" and "+" signs are manag ed.
Above 1000V, a repetitive beep indicates that the voltage being
measured is greater than the safety voltage for which the device is
guaranteed.

31

±(1% R +3cts)

4.2.2 AC Voltage Measurement

Measurement
range

1000V RMS

1400V peak (1)

Specified
range (2)

0.15 to 9.99V

± (1% R +3cts)

Resolution

0.01V

0.1V

1V

Input impedance

10MΩ

Measurement
Range (2)

0.00A to

99.99A

100.0A to

999.9A

1000A

to 3000A (1)

Specified
measurement range

2000A

± (3.5% R + 3cts)

Resolution

0.01A

0.1A

1A

0.15 to 99.99V 100.0 to 999.9V

measurement

Accuracy

Note (1) Above 1000V (RMS), a repetitive beep indicates that the voltage

being measured is greater than the safety voltage for which the
device is guaranteed.

- Bandwidth in AC = 3 kHz

Note (2) Any value between zero and the min. t hreshold of the measurement

range (0.15V) is forced to show "----" on the display.

Specific Specifications in MAX/MIN mode (from 10Hz to 1kHz, and from

0.30V in AC):

± (1% R + 10cts)

10.00 to 99.99V

0 to 100% of the measurement range

± (1% R +3cts)

• Accuracy: add 1% R to the values of the table above.

• Capture of the extreme: approximately 100ms.

4.2.3 DC Current Measurement

0 to 100% of the measurement range

Accuracy (2)
(zero corrected)

Note (1) The d isplay indicates “+OL” above 6000A and “-OL” below -6000A

Note (2) The r esidual current at zero depends on the remanence. It can be

± (1.5% R +3cts)

± (1% R +

10cts)

in REL mode. The "-" and "+" signs are displayed.

corrected by the “DC zero” function of the HOLD button.

32

± (1% R

+3cts)

2000 to 2500A

± (2.5% R + 3cts)

2500 to 3000ADC

DC

4.2.4 AC Current Measurement

Measurement
Range

Specified
Range (2)

1000 to 1500A

± (2% R +5cts)

Resolution

0.01A

0.1A

1A

Measurement Range

20 to 2000AAC

20 to 3000ADC

Specified Measurement Range

0 to 100% of the measurement range

Accuracy

± (5% R + 5cts)

Resolution

1A

Measurement Range

0.0 to 999.9Ω

Open-circuit Voltage

≤ 3.6V

Measurement Current

550µA

Accuracy

± (1% R +5cts)

Buzzer Triggering Threshold

Adjustable from 1 to 999Ω (40Ω is the default)

0.25 to 99.99A 100.0 t o 999.9A 1000 to 2000A (1)

Measurement

Accuracy ± (1% R + 10cts) ± (1% R +3cts)

Note (1) The display indicates “OL” above 3000A in PEAK mode.

- Bandwidth in AC = 1 kHz

Note (2) In AC, any value between zero and the min. threshold of the

measurement range (0.25A) is forced to show “----“ on the display.

Specific Specifications in MAX/MIN mode (from 10Hz to 1kHz, and from

0.30A in AC):

0 to 100% of the measurement range

± (1.5% R +3cts)

1500 to 2000A

• Accuracy (with zero corrected): add 1% R to the values of the table

above.

• Capture of the extreme: approximately 100ms.

4.2.5 True Inrush® Measurement

Specific Specifications in PEAK mode in True InRush

• Accuracy: add ± (1.5% R +0.5A) to the values in the table above.

• PEAK capture time: 1ms min. to 1.5ms max.

4.2.6 Continuity Measurement

33

®

(from 10Hz to 1kHz):

4.2.7 Resistance Measurement

0.0 to

999.9Ω

1000 to

9999Ω

10.00 to

99.99kΩ

Specified Measurement
Range

1 to 100% of the

measurement range

0 to 100% of the

measurement range

Accuracy

± (1% R +5cts)

Resolution

0.1Ω

1Ω

10Ω

Open-circuit Voltage

≤ 3.6V

Measurement Current

550µA

100µA

10µA

Measurement Range

0.000 to 3.199VDC

Specified Measurement Range

1 to 100% of the measurement range

Accuracy

± (1% R + 3cts)

Resolution

0.001V

Measurement Current

0.55mA

Indication: junction reversed or
open-circuit

"OL" is displayed when the measured

voltage >3.199V



Measurement Range (1)

5.0 to 999.9Hz

1000 to 9999Hz

10 to 19.99kHz

1 to 100% of the

range

Accuracy

± (0.4% R + 1ct)

Resolution

0.1Hz

1Hz

10Hz

Measurement Range (1)

Note (1) Above the maximum display value, the display unit indicates "OL".

The "-" and "+" signs are not managed.

Specific Specifications in MAX/MIN mode:

• Accuracy: add 1% R to the values of the table above.

• Capture of the extreme: approximately 100ms.

4.2.8 Diode test

Note: The "-" sign is disabled for the diode test function.

4.2.9 Frequency Measurements

4.2.9.1 Voltage

Specified Measurement
Range

measurement

34

0 to 100% of the

measurement range

4.2.9.2 Current

Measurement Range (1)

5.0 to 999.9Hz

Specified Measurement Range

1 to 100% of the measurement range

Accuracy

± (0.4% R + 1ct)

Resolution

0.1Hz

Function

External temperature

Type of Sensor

K-thermocouple

-60.0° to +999.9°C

-76.0° to +1831.8°F

+1000° to +1200°C

+1832° to +2192°F

Specified Measurement
Range

1 to 100% of the

measurement range

0 to 100% of the

measurement range

1% R ±3°C

1% R ±5.4°F

1% R ±3°C

1% R ±5.4°F

0.1°C

0.1°F

1°C
1°F

Note (1) In MAX/MIN mode, the operating range is limited to 1kHz.

If the level of the signal is too low (< 10% of the range, or V<10V or
I<10A) or if the frequency is less than 5Hz, the device cannot
determine the frequency and displays "----".

Specific Specifications in MAX/MIN mode (from 10Hz to 1kHz):

• Accuracy: add 1% R to the values of the table above.

• Capture of the extreme: approximately 100ms.

4.2.10 Temperature Measurement

Measurement Range

Accuracy (1)

Resolution

Note (1) The stated external temperature measure ment accuracy does not t ake

the accuracy of the K-thermocouple into account.

Note 2 Use of the thermal time constant (0.7min/°C):

If there is a sudden variation of the temperatur e of the clamp, by 10°C
for example, the clamp will be at 99% (cnst = 5) of the final
temperature after 0.7min/°Cx1 0°Cx5 = 35 mi n (the ti me const ant of the
external sensor must be added to this value).

Specific Specifications in MAX/MIN mode (10Hz to 1kHz):

• Accuracy: add 1% R to the values of the table above.

• Capture of the extreme: approximately 100ms.

35

4.2.11 Adapter Function Measurement

Measurement Range (1)

0.0 to 999.9mV

1.00 to 9.99V

Specified Measurement Range (2)

0 to 100% of the measurement range

Accuracy

1% R +3cts

Resolution

0.1mV

10mV

Input Impedance

10MΩ

Measurement Range (1)

5.0 to 999.9mV

1.00 to 9.99V

Specified Measurement
Range (2)

1 to 100% of the

measurement range

0 to 100% of the

measurement range

5.0 to 99.9mV

± (1% R +3cts)

Resolution

0.1mV

10mV

Input Impedance

10MΩ

4.2.11.1 In DC mode

4.2.11.2 In AC mode

Accuracy

Note (1) The basic display is 10,000 counts. The position of the decimal count

and the display of multiples ( m and k) depend on the programming of
the scale factor.

•

In DC, the disp lay in dic at es "+ O L" ab ove +99 99 c ount s a nd "-

OL" below -9999 counts. The "-" and "+" si gns are managed
(polarity).

•

In AC, the display i ndicates "OL" above 9999 counts.

Note (2) - The max. bandwidth is 1kHz.

Specific specifications in MAX/MIN mode (from 10Hz to 1kHz):

± (1% R + 10cts)

100.0 to 999.9mV

1% R +3cts

• Accuracy: add 1% R to the values of the table above.

• Capture of the extreme: approximately 100ms.

4.3 ENVIRONMENTAL CONDITIONS

Conditions Operating Storage

Temperature -4° to +131°F

(-20° to +55°C)

Relative Humidity (RH) ≤90% up to 131°F (55°C) ≤90% up to 158°F (70°C)

-40° to +158°F

(-40° to +70°C)

36

4.4 MECHANICAL SPECIFICATIONS

Polycarbonate

Clamping diameter: 2.36" (60mm)

LCD display unit

Dimension: 1.6 x 1.9" (41 x 48mm)

Housing

Jaws

Screen

Dimension 11.65 x 4.37 x 1.61" (296 x 111 x 41mm)
Weight 1.4 lbs (640g) with batteries

Rigid polycarbonate shell with over-molded elastomer
covering;

Opening: 2.36" (60mm)

Blue backlighting

UL94 V1

4.5 POWER SUPPLY

Batteries 4x1.5V AA LR6
Battery life >350 hours (without backlighting)
Auto Power Off After 10 minutes with no switch and/or but ton activity

4.6 COMPLIANCE WITH INTERNATIONAL STANDARDS

Compliant with standards IEC-61010-1,

Electric Safety

IEC-61010-2-30, and IEC-61010-2-32:
1000V CAT IV.

Electromagnetic

Compatibility

Mechanical strength

Level of Protection

Compliant with standard EN-61326-1
Classification: residential environment

Free fall: 2m (in accordance with standard

IEC-68-2-32)

Housing: IP54 (per standard IEC-60529)

Jaws: IP40

37

4.7 ENVIRONMENTAL VARIATIONS

Influence

VAC

Hz

V
A

10Hz to 1kHz

400Hz to 2kHz

1% R

4% R

1% R + 1ct

5% R + 1ct

Position of

the conductor

(f≤400Hz)

Adjacent

RMS

Conductor

the clamp

Application of

the clamp

1.4 to 3.5,

1400V peak

Condition of

Influence

Temperature

Humidity 10 to 90% RH

Frequency

in the

jaws

conductor
carrying a

current of

150A

DC or

enclosed by

Range of
Influence

-4° to +131°F

(-20° to +55°C)

1kHz to 3kHz

10Hz to 400Hz

Any position

on the internal

perimeter of

the jaws

Conductor

touching the

external

perimeter of

the jaws

0 to 500ARMS V

Measurement

Influenced

VDC

A*

T°C

Ω

V
A

A 2% R 4% R + 1ct

A 40 dB 45 dB

Typical MAX

-

0.1% R/10°C
1% R/10°C

(0.2% R +1°C)/10°C

0.1% R/10°C + 2ct

0.1% R 0.1% R + 1ct

8% R
1% R

< 1ct

0.5% R/10°C + 2ct

1.5% R/10°C + 2ct

(0.3% R +2°C)/10°C

0.1% R/10°C + 3ct

0.1% R/10°C

9% R + 1ct
1% R + 1ct

1ct

a voltage on

Peak factor

*Note in Temperature: Influenc e s pecified until 1000 A DC

0 to 1000VDC

or RMS

limited

to 1500A peak

A

A (AC)
V (AC)

38

< 1ct

1% R
1% R

3% R + 1ct

3% R + 1ct

5 MAINTENANCE

5.1 WARNING

• Remove the test leads on any input before opening the case.

• Do not operate the clamp-on meter without a battery case cov er.

• To avoid electrical shock, do not attempt to perform any servicing

unless you are qualified to do so.

• To avoid electrical shock and/or damage to the instrument , do not get
water or other foreign agents into the probe.

5.2 CLEANING

Disconnect everything connected to the device and set the switch to

•

OFF.
Use a soft cloth moistened with soapy water. Rinse with a damp cloth

•

and dry quickly using a dry cloth or for ced air.
Dry completely before putting bac k into use.

•

.3 REPLACEMENT OF THE BATTERIES

5

The symbol indicates th at the batt eries are low. Whe n this s ymbol appea rs
on the display unit, the batteries must be replaced. The measurements and
specifications are no longer guaranteed.

To replace the batteries, proceed as f ollows:

1. Disc onnect the measurement leads from t he i nput terminals.

2. Set the switch to OFF.

3. Using a screwdriver, unscrew the battery compartment cover from the
back of the housing (see §3.1).

4. Remov e the used batteries and rep lace them with 4x1.5V AA batteries,
observing the polarities.

5. Close the battery compartment cover and screw it onto the housing.

39

6 REP AIR AND CALIBRA TION

To ensure that your instrument meets factory specifications, we recommend
that it be submitted to our factory Service Center at one-year intervals for
recalibration, or as required by other standards or internal procedures.

For instrument repair and calibration:

You must contact our Service Center for a Customer Service Authorization
number (CSA#). This will ensure that when your instrument arrives, it will be
tracked and processed promptly. Please write the CSA# on the outside of
the shipping container. If the instrument is returned for calibration, we need
to know if you want a standard calibration, or a calibration traceable to
N.I.S.T. (includes calibration certificate plus recorded calibration data).

Chauvin Arnoux
15

Faraday Drive

Dover, NH 03820 USA
Tel: [phone] (Ext. 360)

[phone] (Ext. 360)

Fax: [phone] or [phone]
[e-mail]

(Or contact your authorized distributor)
Costs for repair, standard calibration, and calibration traceable to N.I.S.T. are

available.

NOTE: All customers must obtain a CSA# before returning any
instrument.

®

, Inc. d.b.a. AEMC® Instruments

7 TECHNICAL AND SALES ASSISTANCE

If you are experiencing any technical problems, or require any assistance
with the proper operation or application of your instrument, please call, mail,
fax or e-mail our technical support hotline:

®

C

hauvin Arnoux

Foxborough Boulevard

200
Foxborough, MA 02035, USA

Phone: [phone]

[phone]

Fax: [phone]
[e-mail]

ww.aemc.com

w

NOTE: Do not ship instruments to our Foxborough, MA address.

, Inc. d.b.a. AEMC® Instruments

40

8 LIMITED WARRANTY

The Model 603 is warranted to the owner for a period of three years from
the date of original purchase against defects in manufacture. This limited
warranty is given by AEMC

®

Instruments, not by the distributor from
whom it was purchased. This warranty is void if the unit has been
tampered with, abused or if the defect is related to service not performed
by AEMC

®

Instruments.

Full warranty coverage and product registration is available on our
website at www.aemc.com/warranty.html

.

Please print the online Warranty Coverage Information for your
records.

If a malfunction occurs within the three-year period, you may return the
instrument to us for repair, provided we have your warranty registration
information on file or a proof of purchase. AEMC
option, repair or replace the faulty material.

®

Instruments w ill, at its

REGISTER ONLINE AT: www.aemc.com

9 WARRANTY REPAIRS

What you must do to return an Instrument for Warranty Repair:
First, request a Customer Service Authorization Number (CSA#) by

phone or by fax from our Service Department (see address below), then
return the instrument along with the signed CSA Form. Please write the
CSA# on the outside of the shipping container. Return the instrument,
postage or shipment pre-paid to:

®

hauvin Arnoux

C
15 Faraday Drive • Dover, NH 03820 USA

Tel: [phone] (Ext. 360)

[phone] (Ext. 360)

Fax: [phone] or [phone]
[e-mail]

, Inc. d.b.a. AEMC® Instruments

Caution: To protect yourself against in-transit loss, we recommend you
insure your returned material.

NOTE: All customers must obtain a CSA# before returning any
instrument.

41

NOTES:

42

Chauvin Arnoux®, Inc. d.b.a AEMC® Instruments

99-MAN 100369 v6 06/17

15 Faraday Drive • Dover, NH 03820 USA

www.aemc.com