Kusam-meco KM 111M Manuel utilisateur

17, Bharat Industrial Estate, T. J. Road, Sewree (W),

Mumbai-400015. INDIA

Sales Direct: (022)24156638 Tel.:(022) 2412 4540, 2418 1649

Fax: 91-22-2414 9659 E-mail : [email protected],

Website : www.kusamelectrical.com; www.kusam-meco.co.in

LIST OF PRODUCTS

* 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

TRUE RMS

DIGITAL CLAMPMETER

+ MULTIMETER

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An ISO 9001:2008 Company

MODEL - KM 111M /

KM 112M

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OPERATION MANUAL

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

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SAFETY

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 meets the requirements for double insulation to

IEC61010-2-032, EN61010-2-032, UL61010B-2-032,

IEC61010-1 2nd Ed., EN61010-1 2nd Ed., UL61010-1 2nd Ed.

Category III 600Volts ac and dc.

Per IEC61010 Overvoltage Installation Category

Overvoltage Category II

Equipment of is energy-consuming

equipment to be supplied from the fixed installation.

Overvoltage Category II

Note : Examples include household, office, and laboratory

appliances.

Overvoltage Category III

Equipment of is equipment in fixed

installations.

Overvoltage Category III

Note : Examples include switches in the fixed installation and

some equipment for industrial use with permanent

connection to the fixed installation.

Overvoltage Category IV

Equipment of is for use at the origin

of the installation.

Overvoltage Category IV

Note : Examples include electricity meters and primary over-

current protection equipment.

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Average (KM 111M); True RMS (KM112M)

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

specified, at 23°C ± 5°C & less than 75% R.H.

DC VOLTAGE

Range Resolution Accuracy

400.0 mV

4.000 V

40.00 V

400.0 V

600 V

100.0 mV

1 mV

10 mV

100 mV

1 V

± (0.3% rdg + 4 dgts)

± (0.5% rdg + 3 dgts)

± (1.0% rdg + 4 dgts)

NMRR : >50dB @ 50/60Hz

CMRR : >120dB @ DC, 50/60Hz, Rs = 1kW

Input Impedance : 10MW, 30pF nominal (1000MWfor 400.0mV range)

AC VOLTAGE (50Hz ~ 500Hz)

Range Resolution Accuracy

4.000 V

40.00 V

400.0 V

600 V

1 mV

10 mV

100 mV

1 V

± (1.5% rdg + 5 dgts)

± (2.0% rdg + 5 dgts)

CMRR : >60dB @ DC to 60Hz, Rs = 1kW

Input Impedance : 10MW, 30pF nominal

± (1.5% rdg + 5 dgts)

True RMS accuracy of ACV is specified from 5% to 100% of range, &

ACA is specified from 10% to 100% of range, or otherwise specified.

Maximum Crest Factor <1.75 : 1 at full scale & <3.5 : 1 at half scale,

and with frequency spectrums, besides fundamentals, fall within the

meter specified AC bandwidth for non-sinusoidal waveforms.

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AC CURRENT (Clamp-On)

Range Resolution 1)2)3)

Accuracy

40.00 A

400.0 A

600 A

10 mA

100 mA

1 A

± (1.5% rdg + 8 dgts)

1) Induced error from adjacent current carrying conductor : 0.05/A

2) 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 2% to specified accuracy for measurements made BEYOND

jaw marking lines (toward jaw opening)

3) Add 8d to specified accuracy @ reading <10% of range.

50Hz / 60Hz

OHMS

Range Resolution 1)2)3)

Accuracy

400.0 W

4.000 kW

40.00 kW

400.0 kW

4.000 MW

40.00 MW

0.1 W

1 W

10 W

100 W

1 kW

10 kW

± (0.8% rdg + 8 dgts)

Open Circuit Voltage : 0.4VDC typical

± (0.6% rdg + 4 dgts)

± (2.0% rdg + 4 dgts)

± (1.0% rdg + 4 dgts)

MAX HOLD

Specified accuracy ± 50 digits for changes > 25ms in duration.

AUDIBLE CONTINUITY TESTER

Audible threshold : between 5 and 120 .WW

DIODE TESTER :

Open Circuit Voltage : <1.6 VDC

Test Current (Typical) : 0.25mA

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CAPACITANCE

Range1) Resolution 2)3)

Accuracy

500.0 nF

5.000 mF

50.00 mF

100 pF

1 nF

10 nF

100 nF

1 mF

± (3.5% rdg + 6 dgts)

1) Additional 50.00nF range accuracy is not specified.

2) Accuracies with film capacitor or better

3) Specified with battery voltage above 2.8V

(approximately half full battery).

Accuracy decreases gradually to 12% at low battery warning

voltage of approximately 2.4V.

500.0 mF

3000 mF

Hz FREQUENCY

Function Sensitivity

(Sine RMS) Range

Display Counts : 5000

Best resolution : 0.001Hz

Accuracy : 0.5% + 4d

400.0 mV

4.000 V

40.00 V

400.0 V

600 V

400.0 A

350 mV

1 V

32 V

100 V

500 V

60 A

10Hz ~ 2kHz

10Hz ~ 5kHz

10Hz ~ 100kHz

10Hz ~ 10kHz

10Hz ~ 5kHz

40Hz ~ 400Hz

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CAUTION : Before and after hazardous voltage measurements,

test the voltage function on a known source such as line

voltage to determine proper meter functioning.

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Ce manuel convient aux modèles suivants

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