Kusam-meco KM 181 Bedienungsanleitung

LIST OF PRODUCTS

OPERATION

MANUAL

DIGITAL CLAMPMETER

+ MULTIMETER

KM 181

* Digital Multimeter

* Digital AC & AC/DC Clampmeter

* AC Clamp Adaptor

* AC/DC Current Adaptor

* Thermo Anemometer

* Thermo Hygrometer

* Distance Meter

* Digital Lux Meter

* Network Cable Tester

* Power Factor Regulator

* Earth Resistance Tester

* Digital Panel Meters

* DC Power Supplies

* High Voltage Detector

* Calibrators

* Gas Analysers

* Frequency Counter

* Function Generator

* Phasing Sticks

* Battery Tester

* Waterproof Pen Testers

* Solar Power Meter

* EMF Detector

* Wood, Paper & Grain Moisture Meter

* Transistorised Electronic Analog & Digital

Insulation Resistance Testers(upto 10 KV)

* Digital Sound Level Meter & Sound Level

Calibrator

* Digital contact & Non-contact Type Tachometer

* Digital Non-contact (infrared) Thermometer

* Maximum Demand Controller/Digital Power

Meter

* Digital Hand Held Temperature Indicators

KUSAM-MECO April 2011

DIGITAL CLAMPMETER

MULTIMETER

KM 181

KUSAM-MECO April 2011

Nearly every electrical engineer has a hand held

digital clamp meter (Tongtester). We sometimes take

them for granted, until we damage them or “burn

them out”. If you incorrectly connect your clamp

meter to a circuit, or if you have the clamp meter on

wrong setting, you damage the meter and possibly

hurt yourself. You can also get into trouble if you try to

measure the voltage across a charged capacitor.

Clamp meter users frequently burn their meters

by trying to measure current the same way as they

measure voltage. Remember, you measure voltage

across a circuit, and current through a circuit. When

you use the current input, your clamp meter becomes

a low impedance circuit element.

Even if you correctly insert your clamp meter in to

the circuit, you can still damage your meter. Don’t try

to measure current in excess of your meter’s

capacity. Check the current capacity of the Clamp

meter.

If you are measuring current in industrial

environment to prevent excess current from flowing

through your meter, always disconnect your test

leads from the circuit under test whenever you

change Clamp meter functions. Set your meter to

the correct function, say current, and its highest

range for the setting. If the reading is small, change

the range to the next lower range till the reading can

be read with the best possible accuracy. When

measuring voltage, connect the test leads before

your apply power to your circuit. To be safe, start by

setting your meter to its highest range first.

TAKE MEASUREMENT CAREFULLY AND YOU’LL

SPARE YOUR METER AND YOURSELF, SOME PAIN

TABLE OF CONTENTS

TITLE PAGE

KUSAM-MECO April 2011

Safety Information..............................................1

Safety Symbols...................................................3

Features...............................................................4

General Specifications.......................................5

Electrical Specification ......................................7

Product Description ........................................12

Measurement Procedure..................................13

Maintenance......................................................25

Test Certificate .................................................27

Warranty ...........................................................28

1. SAFETY INFORMATION

KUSAM-MECO April 2011

This manual contains information and warnings

that must be followed for operating the instrument

safely and maintaining the instrument in a safe

operating condition. If the instrument is used in a

manner not specified by the manufacturer, the

protection provided by the instrument may be

impaired.

The meter protection rating, against the users, is

double insulation per IEC61010-1 2nd Ed.,

EN61010-1 2nd Ed., UL61010-1 2nd Ed., CAN/

CSA C22.2 No. 61010.1-0.92, IEC61010-2-032,

EN61010-2-032, UL61010B-2-032, & CAN/CSA

C22.2 No. 61010-2-032-04 :

Measurement Category III 600V AC & DC.

Per IEC61010-1 2nd Ed. (2001) Measurement

Category

Measurement Category IV (CAT IV) is for

measurements performed at the source of the low-

voltage installation. Examples are electricity

meters and measurements on primary overcurrent

protection devices and ripple control units.

Measurement Category III (CAT III) is for measure-

ments performed in the building installation.

Examples are measurements on distribution boards,

circuit-breakers, wiring, including cables, bus-bars,

junction boxes, switches socket-outlets in the fixed

installation, & equipment for industrial use & some

other equipment, for example, stationary motors

with permanent connection to the fixed installation.

KUSAM-MECO April 2011

Measurement Category II (CAT II) is for measure-

ments performed on circuits directly connected to the

low voltage installation. Examples are measure-

ments on household appliances, portable tools &

similar equipment.

TERMS IN THIS MANUAL

WARNING Identifies conditions & actions that could

result in serious injury or even death to

the user.

CAUTION Identifies conditions & actions that could

cause damage or malfunction in the

instrument.

WARNING

To reduce the risk of fire or electric shock, do not

expose this product to rain or moisture. The meter is

intended only for indoor use.

To avoid electrical shock hazard, observe the proper

safety precautions when working with voltages above

60 VDC or 30 VAC rms. These voltage levels pose a

potential shock hazard to the user. Before and after

hazardous voltage measurements, test the voltage

function on a known source such as line voltage to

determine proper meter functioning.

Keep your hands/fingers behind the hand / finger

barriers (of the meter and the test leads) that

indicate the limits of safe access of the hand held

part during measurement. Inspect test leads,

connectors, and probes for damaged insulation or

exposed metal before using the instrument.

KUSAM-MECO April 2011

If any defects are found, replace them immediately.

Only use the test lead provided with the equipment

or UL Listed Probe Assembly.

This Clamp-on meter is designed to apply around

or remove from uninsulated hazardous live

conductors. But still, individual protective equip-

ment must be used if hazardous live parts in the

insulation where measurement is to be carried out

could be accessible.

Disconnect the test leads from the test points

before changing meter functions.

CAUTION

2. INTERNATIONAL ELECTRICAL SYMBOLS

AC--Alternating Current

DC--Direct Current

Earth (Ground)

Double Insulation or Reinforced insulation

Application around and removal from

hazardous live conductors is permitted.

Fuse.

Caution ! Risk of electric shock

Caution ! Refer to the explanation in this

Manual.

KUSAM-MECO April 2011

The instruments conform to CENELEC Low-

Voltage directive 2006/95/EC and Electromagnetic

compatibility directive 2004/108/EC

3) CENELEC Directives

?5ms CREST-MAX capture mode

(Peak Hold)

?Autoranging Relative -Zero mode

?EF-Detection (NCV)

?AutoCheck Voltage & Ohms

?Hz Line Level Frequency

?Manual / Autoranging range selection.

?Auto Power Off

?Diode Test & Continuity Test

VFD-V & VFD-Hz function

Data Hold function

4) SPECIAL FEATURES:

KUSAM-MECO April 2011

5) GENERAL SPECIFICATIONS

?Display :

3-5/6 digits 6000 counts & 3-1/2 digits 1,999

counts for Hz.

?Polarity : Automatic

?Update Rate: 5 per second nominal;

?Operating Temperature : 0°C to 40°C

?Pollution degree : 2

?Altitude : Operating below 2000m

?Relative Humidity :

Maximum relative humidity 80% for

temperature up to 31°C decreasing linearly to

50% relative humidity at 40°C

?Storage Temperature :

-20°C to 60°C,<80%R.H.(with battery removed)

?Temperature Coefficient :

Nominal 0.15 x (specified accuracy) / °C @

(0°C--18°C or 28°C--40°C) or otherwise

specified.

?Sensing : Average sensing.

?Transient Protections : 6.0kV(1.2/50ms surge)

?Safety : Double insulation per IEC61010-1

nd nd nd

2 Ed., EN61010-1 2 Ed., Ul61010- 2 Ed. &

CAN/CSA C22.2 NO.61010.1-0.92 to CAT III

600V and CAT IV 300V AC & DC

KUSAM-MECO April 2011

?Overload Protections:

ACA Clamp on jaws : AC 600 A rms continuous

“+” & COM Terminals(all other functions):

660VDC / VAC rms

?Power Supply : 1.5V AAA Size battery X 2

?Power consumption : 5.2mA typical

?Low battery : Below approx. 2.4V

?APO Timing : Idle for 34 minutes

?APO Consumption : 10µA typical

?Dimension : 190(L) X 63(W) X 32(H) mm

?Weight : 179gm

?Accessories : Test leads(pair),User's Manual.

?Optional Accessories: PC Interface,

USB interface kit BRUA-13X.

?E.M.C. : Meets EN61326-1:2006 (EN55022,

EN61000-3-2, EN61000-3-3, EN61000-4-2,

EN61000-4-3, EN61000-4-4, EN61000-4-5,

EN61000-4-6, EN61000-4-8, EN61000-4-11)

In an RF field of 3V/m.

Capacitance function is not specified

Other function ranges : Total Accuracy =

Specified Accuracy + 100 digits

Performance above 3V/m is not specified

KUSAM-MECO April 2011

6) ELECTRICAL SPECIFICATIONS :

Accuracy is ± (% reading digits + number of digits)

or otherwise specified, at 23°C ± 5°C & less than

75% relative humidity.

DC Voltage

Range

voltage values.

Input impedance : 10MW, 50pF nominal.

Added range to indicate instantaneous over-range

Resolution Accuracy

6.000V

60.00V ±(0.5% rdg + 5 dgts)

600.0V

600V

AutoCheck DCV

Range Resolution Accuracy

6.000V

60.00V ±(1.3% rdg + 5 dgts)

600.0V

600V

1 mV

10 mV

100 mV

1 V

1 mV

10 mV

100 mV

1 V

1)Added range to indicate instantaneous over-range

voltage values

AutoCheck Lo-Z DCV Threshold:

>+1.0VDC & < -1.0VDC nominal

AutoCheck Lo-Z DCV Input Impedance:

Initially approx. 2.5kW, 200pF nominal,

Impedance increases abruptly within a fraction of a

second as display voltage is above 50V(typical).

Ended up impedances vs display voltages

typically are:

15kW@100V

100kW@300V

250kW@600V

KUSAM-MECO April 2011

AC Voltage

Range

1)Added range to indicate instantaneous over-range

voltage values.

Input impedance : 10MW, 50pF nominal.

Resolution Accuracy

6.000V

60.00V ±(1.2% rdg + 5 dgts)

600.0V

600V

1 mV

10 mV

100 mV

1 V

50Hz ~ 400Hz

AutoCheck OHM

Range1) Resolution Accuracy

600.0 W

6.000 KW±(0.5% rdg + 5 dgts)

60.00 KW

600.0 KW

0.1 W

1 W

10 W

100 W

Open Circuit Voltage : 0.45VDC typical

AutoCheck Ohm Threshold : < 10.00MWnominal

6.000 MW

1 KW

60.00 MW

10 KW

±(0.8% rdg + 5 dgts)

±(1.2% rdg + 5 dgts)

±(2.2% rdg + 5 dgts)

CREST-MAX Capture Mode

Accuracy: Specified accuracy plus 250

Digits for changes > 5ms in duration

Audible Continuity Tester

between 10Wand 200W

32ms approx.

Audible Threshold Response Time

KUSAM-MECO April 2011

AutoCheck_ACV (with Low Pass Filter)

Range Resolution Accuracy1)

6.000V

60.00V ±(3.0% rdg + 80 dgts)

600.0V

600V

1 mV

10 mV

100 mV

1 V

5Hz ~ 20Hz

6.000V

60.00V ±(2.0% rdg + 50 dgts)

600.0V

600V

1 mV

10 mV

100 mV

1 V

20Hz ~ 200Hz

6.000V

60.00V ±(6% rdg - 80 dgts)

600.0V

600V

1 mV

10 mV

100 mV

1 V

200Hz ~ 420Hz

Not specified for fundamental frequency>420Hz

Added ranges to indicate instantaneous over-range

voltage values

Accuracy linearly decreases from 2%+50d @ 200Hz to

6%+ 80d @420Hz

AutoCheck Lo-Z ACV Threshold : >1V(50/60Hz) nominal

AutoCheck LoZ ACV Input impedance:

Initially approx. 2.5kW, 200pF nominal;

Impedances increases abruptly within a fraction

second as display voltage is above 50V(typical).

Ended up impedances Vs display voltages typically are :

15kW@100V

100kW@300V

250kW@600V

KUSAM-MECO April 2011

Capacitance

Range Resolution Accuracy1)

60.00 nF

600.0 nF ±(2.0% rdg + 5 dgts)

6.000 mF

60.00 mF

Accuracies with film capacitor or better

Temperature Coefficient : 0.25 x (specified accuracy)/

°C @(0°C--18°C or 28°C – 40°C)

600.0 mF

2000 mF

±(3.5% rdg + 5 dgts)2)

±(4.0% rdg + 5 dgts)2)

~Hz Line Level Frequency

Accuracy : 0.03% + 4d

1)VFD sensitivity linearly decreases from 10% F.S. @ 200Hz

to 40% F.S. @ 420Hz

Function

6 V

60 V

600 V

VFD 6 V1)

VFD 60 V1)

VFD 600 V1)

Sensitivity

(Sine RMS)

1 V

6 V

60 V

1 V ~ 2 V

6 ~20 V

60 V ~ 200 V

6 A ~ 20 A

60 A ~ 200 A

VFD 60 A1)

VFD 600 A1)

Range

10Hz ~ 1999Hz

10Hz ~ 420Hz

20Hz ~ 420Hz

10Hz ~ 420Hz

Diode Tester

Range Test Current

(Typical)

1.000V 0.56mA <1.8V DC typical

Open Circuit

Voltage

Accuracy : 1.0% + 3d

10 pF

100 pF

1 nF

10 nF

100 nF

1 mF

KUSAM-MECO April 2011

ACA Current(Clamp on)

1)2)3)

Accuracy

Resolution

Range

1)Add 12d to specified accuracy while reading is at 1% to

10% of range.

2)Induced error from adjacent current carrying conductor :

<0.5A/A

3)Specified accuracy is from 1% to 100% of range and for

measurements made at the jaw center. When the conductor is

not positioned at the jaw center, position errors introduced are:

Add 1% to specified accuracy for measurements made WITHIN

jaw marking lines (away from jaw opening)

Add 4% to specified accuracy for measurements made beyond

jaw marking lines (toward jaws opening)

±(1.8%rdg + 3dgts)

50Hz – 400Hz

60.00 A

600.0 A

10 mA

100 mA

NON-CONTACT EF-Detection

Typical Voltage

20V (tolerance : 10V ~ 36V)

55V (tolerance : 23V ~ 83V)

110V (tolerance : 59V ~ 165V)

220V (tolerance : 124V ~ 330V)

440V (tolerance : 250V ~ 600V)

Bar-Graph

Indication

- -

- - -

- - - -

- - - - -

Indication : Bar-graph segments & audible beep

tones proportional to the field strength

Detection Frequency : 50/60Hz

Detection Antenna : Top side of the stationary jaw

Probe-Contact EF-Detection: For more precise

indication of live wires, such as distinguishing

between live and ground connections, use the

Red (+) test probe for direct contact measurement.

KUSAM-MECO April 2011

8) MEASUREMENT PROCEDURE

CAUTION: Before and after hazardous voltage

measurements, test the voltage function on a

known source such as line voltage to determine

proper meter functioning.

CREST C

HOLD H

REL

PC-Comm

VFD

RANGE

Hz Hz

VFD

Auto

220.8

60.0

CREST C

HOLD H

REL

PC-Comm

VFD

RANGE

Hz Hz

VFD

Auto

3.082

CREST C

HOLD H

REL

PC-Comm

VFD

RANGE

Hz Hz

VFD

Auto

206.3

60.2

ACV , DCV functions

Set slide-switch to Voltage function position(s).

Inputs are made through the test leads terminals.

Press SELECT button momentarily toggles to

DCV function.

Set the slide-switch to select ACA function. Input

is made through the clamp jaws for non-invasive

current measurements.

ACA function

KUSAM-MECO April 2011

7) PRODUCT DESCRIPTION

CREST C

HOLD H

REL

PC-Comm

VFD

RANGE

Hz Hz

VFD

Auto

0.000

1) Transformer

Clamp Jaw for AC

current magnetic

field pick up

2) Head/Finger Barrier

to indicate the limits

of safe access of the

meter during

measurement.

3) Push-buttons for

special functions &

features

4) Input Jack for all

functions EXCEPT

non- invasive ACA

current function.

5) Common (Ground

reference)Input Jack

for all functions

Except non-invasive

ACA current function.

6) Slide switch Selector to turn the power ON /OFF

and Select a function

7) 3-5/6 digits 6000 counts & 3-1/2 digits

2000 counts dual numeric LCD display

8) Jaw trigger for opening the transformer clamp

jaw.

9) Jaw center Indicators, at where best ACA

accuracy is specified

10) Jaw marking lines for ACA position error

indication

KUSAM-MECO April 2011

Note: The Hz trigger level is determined by the

ACV or ACA function-range being in use.

Press RANGE button to select different

function-ranges and thus trigger levels

manually.

For non-invasive ACA current measurements,

press the Jaw trigger and clamp the Jaws around

only one single conductor of a circuit for load

current measurement. Make sure the jaws are

completely closed, or else it will introduce

measurement errors. Enclosing more than one

conductor of a circuit will result in differential

current (like identifying leakage current)

measurement. Locate the conductor (s) at the

Jaws center as much as possible to get the best

measuring accuracy. For removal, press the jaw

trigger and remove the jaws from the conductor(s).

CAUTION (Application and removal of the

Clamp-on meter)

Adjacent current-carrying devices such as trans-

formers, motors and conductor wires will affect

measurement accuracy. Keep the jaws away from

them as much as possible to minimize influence.

KUSAM-MECO April 2011

CREST C

HOLD H

REL

PC-Comm

VFD

RANGE

Hz Hz

VFD

Auto

LoZ

CREST C

HOLD H

REL

PC-Comm

VFD

RANGE

Hz Hz

VFD

Auto

60.18

128.8

LoZ

CREST C

HOLD H

REL

PC-Comm

VFD

RANGE

Hz Hz

VFD

Auto

3.802

LoZ

CREST C

HOLD H

REL

PC-Comm

VFD

RANGE

Hz Hz

VFD

Auto

2.008

AutoCheck Mode

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