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* Digital Multimeter
* Digital AC & AC/DC Clampmeter
* AC Clamp Adaptor
* AC/DC Current Adaptor
* Thermo Anemometer
* Thermo Hygrometer
* Distance Meter
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* Network Cable Tester
* Power Factor Regulator
* Earth Resistance Tester
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* High Voltage Detector
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* 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
17, Bharat Industrial Estate, T. J. Road, Sewree (W),
Mumbai-400015. INDIA
Tel.: 022-24156638, 27754546, 24124540, 24181649
E-mail :
sales@kusam-meco.co.in;
Website : www.kusamelectrical.com
® ®
kusam_meco@vsnl.net,
13/11/2018
AN ISO 9001:2015 COMPANY
AC / DC Clamp-On
Multimeter with VFD,
EF-Detection, PC Interface &
Extended 1500V DC Range
MODEL - KM 2778
OPERATION MANUAL
® ®
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Related Manuals for Kusam-meco KM 2778
Summary of Contents for Kusam-meco KM 2778
- Page 1 * EMF Detector * Wood, Paper & Grain Moisture Meter * Transistorised Electronic Analog & Digital Insulation MODEL - KM 2778 Resistance Testers(upto 10 KV) * Digital Sound Level Meter & Sound Level Calibrator * Digital contact & Non-contact Type Tachometer...
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Page 2: Table Of Contents
AC / DC Clamp-On Multimeter with VFD, TABLE OF CONTENTS EF-Detection, PC Interface & TITLE PAGE NO. Extended 1500V DC Range SAFETY................01 MODEL - KM 2778 TERMS IN THIS MANUAL...........02 INTERNATIONAL ELECTRICAL SYMBOL......03 FEATURES & GENERAL SPECIFICATION......04 ELECTRICAL SPECIFICATION...........06 PRODUCT DESCRIPTION ..........14 OPERATION.................15 MAINTENANCE..............27... - Page 3 This manual contains information and warnings that must be Identifies conditions and actions that could result followed for operating the instrument safely and maintaining the in serious injury or even death to the user. instrument in a safe operating condition. If the instrument is used in a manner not specified by the manufacturer, the Identifies conditions and actions that could cause damage or malfunction in the instrument.
- Page 4 SPECIAL FEATURES: INTERNATIONAL ELECTRICAL SYMBOLS Extended >1000 ~ 1500V DC range suitable for solar AutoCheck Voltage & Ohms Caution ! Refer to the explanation in this Manual VFD-V & VFD-Hz function 5ms CREST-MAX capture mode (Peak Hold) Caution ! Risk of electric shock ...
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Page 5: Safety
23 C ± 5 C & less than 75% R.H. APO Timing : Idle for 34 minutes True Model KM 2778 accuracies are specified from APO Consumption : 10A typical 5% to 100% of range or otherwise specified. Maximum Crest ... - Page 6 DCA CURRENT(Clamp on) DC VOLTAGE 1)2) Range Resolution Accuracy Range Accuracy Resolution ±(2.0%rdg + 5dgts) 200.0 100 mA 6.000 V ±(2.0%rdg + 5dgts) 0 ~ 500 60.00 V ±(3.0%rdg + 5dgts) 500~2000 A ±(0.5%rdg + 5dgts) 600.0 V 100 mV Induced error from adjacent current carrying conductor : 1000 V <0.1A/A...
- Page 7 NON-CONTACT EF-DETECTION VFD_ ACV (with Low Pass Filter) Accuracy Bar-Graph Resolution Range Typical Voltage Indication 10Hz ~ 20Hz 89V (tolerance : 12V ~ 165V) 6.000 - - - 177V (tolerance : 81V ~ 272V) 60.00 ±(4%rdg + 80dgts) - - - - - 589V (tolerance : 178V ~ 1000V) 100 mV 600.0...
- Page 8 AUTOCHECK _DCV ~Hz LINE LEVEL FREQUENCY Accuracy Resolution Sensitivity Range Range Function (Sine RMS) 6.000 40Hz ~ 1999Hz 60.00 ±(1.3%rdg + 5dgts) 20 V 40Hz ~ 1999Hz 100 mV 600.0 100 V 40Hz ~ 1999Hz 1000 600 V 40Hz ~ 1999Hz 1000 AutoCheck Lo-Z DCV Threshold : >+1.5VDC &...
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Page 9: Product Description
PRODUCT DESCRIPTION AUTOCHECK _ACV 1) Antenna for Non-Contact Accuracy Range Resolution EF-Detection 50Hz ~ 60Hz 2) Hand/Finger Barrier to 6.000 indicate the limits of safe access of the meter 60.00 ±(1.5%rdg + 5dgts) during measurement 600.0 100 mV 3) Rotary-switch Selector to 1000 turn the power ON/OFF AutoCheck Lo-Z ACV Threshold : >1.5V (50/60Hz) nominal. -
Page 10: Operation
Note: OPERATION *Range-Lock and Function-Lock Feature: When a measurement CAUTION : Before and after hazardous voltage measurements, test reading is being displayed in AutoCheck mode, press the the voltage function on a known source such as line voltage to RANGE or SELECT button momentarily 1 time can lock the range determine proper meter functioning. - Page 11 VFD-ACV & ACV functions Inputs are made through the test leads terminals. VFD-ACV function is to deal with VFD (Variable Frequency Device) signals. It, however, further pre-selects the most appropriate voltage- ranges and thus the Hz trigger levels to best cope with most VFD- Voltage and VFD-Frequency applications.
- Page 12 Adjacent current-carrying devices such as transformers, motors and conductor wires will affect measurement accuracy. Keep the jaws away from them as much as possible to minimize influence. WARNING Do not use the meter to measure currents above the rated frequency (400Hz).
- Page 13 Temperature Function 3. 0 86 000.8 SELECT °F °C SELECT Defaults at C (Celsius) readings. Press SELECT button momentarily AUTO and release to select F (Fahrenheit) readings. Inputs are made F 3.028 0.600 through the test leads terminals. Be sure to insert the banana plug SELECT type-K temperature bead probe Bkp60 with correct ±...
- Page 14 Electric Field EF-Detection ●Non-Contact EF-Detection: An antenna is located along the top- right end of the clamp jaw, which detects electric field surrounds In Voltage or Current energized conductors. It is ideal for tracing live wiring connections, function, press the EF locating wiring breakage and to distinguish between live or earth button for one second or connections.
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Page 15: Maintenance
Backlighted LCD display Auto-Power-Off (APO) The Auto-Power-Off (APO) mode turns the meter off automatically Press the SELECT button for 1 second or more to toggle the LCD to extend battery life after approximately 34 minutes of no rotary backlight. The backlight will also be turned off automatically after switch or push button operations. -
Page 16: Test Certificate
Loosen the 2 captive screws from the battery cover case. Lift the battery cover case. Replace the batteries. Replace battery cover which has already been calibrated to standards traceable case. Re-fasten the screws. to national standards. KM 2778 MODEL NO. ________________ SERIAL NO. ___________ DATE: ___________ ISO 9001... -
Page 17: Warranty
WARRANTY Each “KUSAM-MECO” product is warranted to be free from defects in material and workmanship under normal use & service. The warranty period is one year (12 months) and begins from the date of despatch of goods. In case any defect occurs in functioning of the instrument, under proper use, within the warranty period, the same will be rectified by us free of charges, provided the to and fro freight charges are borne by you.
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