Kusam-meco KM 111M Manual de usuario
17, Bharat Industrial Estate, T. J. Road, Sewree (W),
Mumbai-400015. INDIA
Sales Direct: (022)24156638 Tel.:(022) 2412 4540, 2418 1649
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
®®
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)
± (0.5% rdg + 3 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)
± (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
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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Este manual sirve para los siguientes modelos
1
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