Kusam-meco KM-DMM-41 Operation Manuals Download

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MODEL - KM-DMM-41

OPERATION MANUAL

AN ISO 9001:2008 COMPANY

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

AUTO SCAN DIGITAL

MULTIMETER

Summary of Contents for KM-DMM-41

Page 1: ...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 Digi...

Page 2: ...into the circuit you can still damage your meter Don t try to measure current in excess of your meter s capacity Handheld DMMs usually have a maximum current rating of 10A or 20A If you are measuring current in industrial environment you can easily exceed those ratings The best way to avoid damage is to use a clamp meter or to connect a clamp attachment to your DMM To prevent excess current from f...

Page 3: ... and in this manual are explained in chapter 1 2 1 1 PRECAUTIONS SAFETY MEASURES 1 1 1 Preliminary As the possibilities of high transient overvoltages occurred in today s power systems increase more stringent safety standards are set for the electrical test equipment Transients on electrical systems power grid feeder or branch circuits will trigger a series of incidents that may result in serious ...

Page 4: ...es abnormally Protection may be impaired When in doubt have the Meter serviced Uses the proper terminals function and range for your measurements 03 When the range of the value to be measured is unknown check that the range initially set on the multimeter is the highest possible or wherever possible choose the autoranging mode To avoid damages to the instrument do not exceed the maximum limits of ...

Page 5: ...icity which may destroy internal components Any adjustment maintenance or repair work carried out on the meter while it is live should be carried out only by appropriately qualified 05 personnel after having taken into account the instructions in this present manual A qualified person is someone who is familiar with the installation construction and operation of the equipment and the hazards invol...

Page 6: ...s for auto power off Indicates negative readings 3 AC Indicator for AC voltage or current 4 DC Indicator for DC voltage or current 5 Unsafe voltage voltage 30V or voltage overload OL 6 SCAN When auto scan mode is selected 7 AUTO The meter is in the Auto range mode in which the meter automatically selects the range with the best resolution 8 MANU The meter is in the Manual range mode in which the u...

Page 7: ...key the meter will enter the linear frequency measurement state At this time what being measured is the frequency of voltage or current By pressing this key again it will return the voltage or current measurement state 09 2 3 5 MAX MIN This key is for measuring maximum value and minimum value 1 Press it to enter Max Min mode and simultaneously display the maximum value 2 Press it again the LCD wil...

Page 8: ...nually change the measurement range after entering the Data Hold modes the Meter exits this mode 11 2 To exit the manual ranging mode press and hold down RANGE key for two seconds The Meter returns to the auto range mode and AUTO is displayed 3 1 4 TRUE RMS Measurement All the measurement values of the true RMS meter on the AC voltage and AC current are true root mean square values The basic meter...

Page 9: ... connect the Meter as shown in Figure 3 2 1 Set the rotary switch to the position of EF VOLT 13 3 Make the detector in the top of the meter approach to the wire If the detector senses electric field the strength will be showed on LCD by not digits type And the buzzer will sound Level 1 weak is and the level 4 strong is The buzzer frequency depends on the strength of electric field also The Faster ...

Page 10: ...ower and discharge all high voltage capacitors before testing for continuity Continuity is a complete path for current flow The beeper sounds if a circuit is complete These brief contacts cause the Meter to emit a short beep To test for continuity set up the Meter as shown in Figure 3 4 1 Set the rotary switch to range 2 Select auto scan mode or press the SELECT key to activate Continuity check 3 ...

Page 11: ... HZ MAX MIN SELECT AU TO SC AN vO LT W OFF m A mA A AUTO SCAN AC DC RANGE Extra Safety Multimeter m A mA 10A MAX CAT III 1000V CAT IV 600V V W A FUSED COM 600mA MAX Auto 0l Open V Ö Figure3 5 Testing a Diode 17 3 2 6 Capacitance measurement To avoid electrical shock and or damage to the instrument disconnect circuit power and discharge all high voltage capacitors before measuring capacitance Use t...

Page 12: ...COM Figure 3 7 Measuring Current 1 Turn off power to the circuit Discharge all high voltage capacitors 2 Set the rotary switch to the m A mA or A range Current is the flow of electrons through a conductor To measure current set up the Meter as shown in Figure 3 7 18 RANGE HOLD HZ MAX MIN SELECT A U TO S C A N vO LT W OFF m A mA A AUTO SCAN AC DC RANGE Extra Safety Multimeter m A mA 10A MAX CAT III...

Page 13: ...isplay Be sure to note the measurement units at the right side of the display m A mA or A When only the figure OL displayed it indicates overrange situation and the higher range has to be selected 7 Turn off power to the circuit and discharge all high voltage capacitors Remove the Meter and restore the circuit to normal operation 21 4 2 1 AC voltage Accuracy is specified for one year after calibra...

Page 14: ...urrent 600mA dc or 600mA ac rms for m A and mA ranges 10A dc or 10 ac rms for 10A ranges For measurements 6A 4 minutes maximum ON to measure 10 minutes OFF Above 10A unspecified 22 4 2 3 Resistance Range Resolution Accuracy 600 0W 6 000kW 60 00kW 600 0kW 6 000MW 60 00MW 0 1W 1W 10W 100W 1kW 10kW 1 2 rdg 2 dgts 2 rdg 5dgts 4 2 4 Continuity check Function Resolution Resolution o 600W 0 1W Test condi...

Page 15: ... real product as standard 24 4 2 8 Linear Frequency Range Resolution Accuracy 6kHz 10KHz 0 001HZ 0 01HZ 0 05 rdg 8dgts Above accuracy can be guaranteed within 10 100 of the full range 5 MAINTENANCE This section provides basic maintenance information including fuse and battery replacement instructions Do not attempt to repair or service your Meter unless you are qualified to do so and have the rele...

Page 16: ...d products to end user customers only but have no authority to extend a greater or different warranty on behalf of KUSAM MECO KUSAM MECO s warranty obligation is limited at option free of charge repair or replacement of a defective product which is returned to a KUSAM MECO authorized service center within the warranty period THIS WARRANTY IS BUYER S SOLE AND EXCLUSIVE REMEDY AND IS IN LIEU OF ALL ...

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