Kusam-meco KM 2775 Manual de usuario

An ISO 9001:2008 Company

G-17, Bharat Industrial Estate, T. J. Road, Sewree (W), Mumbai - 400 015. INDIA.

Sales Direct.: 022 -24156638, Tel. : 022-24124540, 24181649, Fax : 022 - 24149659

Email : [email protected], Website : www.kusamelectrical.com

An ISO 9001:2008 Company

All Specifications are subject to change without prior notice

D:\Chhaya\My Documents\Chhaya\backup\catlogs\NEW CAT\2013-14\KM 2775 revised 28 march 15.cdr

11 FUNCTIONS 34 RANGES

Model KM 2775

CAT III 600V

Approved

SAFETY :

?Withstand Voltage : 6000V

?IEC/EN61010-1 EN61010-2-32 CAT III 600V

SPECIAL FEATURES :

?Auto Ranging

?Full Automatic measurement

?Range change function

?Data Hold function freezes the reading

?Continuity & Diode Measurements

?Auto Power Off

?Low Battery Indication

GENERAL SPECIFICATIONS :

íSensing : Average Sensing.

íJaw opening size : 55mm Max.

íDisplay : 3¾ digits 4000 counts LCD display

íSample Rate : Approx. 2 times per second

íResponse Time : Approx. 1 second

íLow Battery : “ ” sign appears on the display when the battery Voltage drops below accurate

operating level.

íOver range indication : “O.L” indicated

íOperating Principle : Dual slope integration

íStorage Temperature : -20°C to 60°C, <80% R.H.

íTemperature & Humidity for Guaranteed accuracy @ -10°C to 50°C at <80% R.H.

íPower Supply : Standard 9V battery

íDimension : 260(L) X 95(W) X 43(D) mm

íWeight : Approx. 515 gm (battery included)

ACCESSORIES :

Test leads, Carrying Case, Battery installed,

User's Manual.

ELECTRICAL SPECIFICATIONS - KM 2775

Accuracy is ± (% reading digits + number of digits ) or otherwise specified, at 23°C ± 5°C & less than equal to 80% R.H.

DC CURRENT

400 A

2000 A

Range

±(1.5%rdg + 4dgts)

Resolution Accuracy

0.1 A

1 A ±(1.5%rdg + 4dgts)

RESISTANCE

400 W

4 KW

40 KW

400 KW

4 MW

40 MW

Range Resolution

0.1 W

1 W

10 W

100 W

1 KW

10 KW

±(1.5%rdg + 3dgts)

Accuracy

±(1.5%rdg + 3dgts)

±(2.0%rdg + 4dgts)

±(1.5%rdg + 3dgts)

Overload Protection : 500V AC rms or 500V DC

FREQUENCY

4 KHz

20 KHz

Range Resolution

1 Hz

10 Hz

Accuracy

±(0.3%rdg + 2dgts)

Overload Protection : 500V AC rms or 500V DC

Trigger level : 0.2V

AC VOLTAGE

Range Resolution Accuracy

400 mV

4 V

40 V

400 V

600 V

0.1 mV

1 mV

10 mV

100 mV

1 V

±(2.0%rdg + 3dgts)

±(1.5%rdg + 3dgts)

Overload Protection : 600V AC RMS

Frequency Response : 0 ~ 400mV at 40Hz ~ 100Hz

4V ~ 600V at 40Hz ~ 500Hz

DC VOLTAGE

400 mV

4 V

40 V

400 V

600 V

Range Resolution

0.1 mV

1 mV

10 mV

100 mV

1 V

±(1.0%rdg + 3dgts)

Accuracy

±(1.0%rdg + 3dgts)

Overload Protection : 600V AC RMS

Frequency Response : 40Hz ~ 1kHz

AC CURRENT

400 A

2000 A

Range

±(2.0%rdg + 4dgts)

Resolution Accuracy

0.1 A

1 A ±(2.0%rdg + 4dgts)

Overload Protection : 500V AC rms or 500V DC

CONTINUITY TEST

400 W

Range Audible Threshold

Less than 25W

DIODE TEST

2 V

Range Resolution

±(1.5%rdg + 3dgts)

Accuracy

1 mV

CAPACITANCE

4 nF

(30p~4nF)

40 nF

400 nF

4 mF

40 Fm

400 Fm

4 mF

Range Resolution

1 pF

10 pF

100 pF

1 nF

10 nF

100 nF

1 Fm

Overload Protection : 500V AC rms or 500V DC

±(3.0%rdg + 5dgts)

Accuracy

±(2.0%rdg + 5dgts)

±(2.5%rdg + 5dgts)

3¾ DIGIT 2000A AC/DC

DIGITAL CLAMPMETER

WARNING

Please do not change to any other DCV or Ohm range when you are

inputing 600V AC/DC. Make sure that you have turned off the input

voltage and then you can change to another range for testing.

2000A AC/DC

DIGITAL CLAMP METER

MODEL - KM 2775

OPERATION MANUAL

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

Mumbai-400015. INDIA

Sales Direct: (022)24156638 Tel.:(022) 2412 4540, 2418 1649 Fax: 2414 9659

E-mail : [email protected], Website : www.kusamelectrical.com

www.kusam-meco.co.in

Digital Multimeter

Digital AC & AC/DC Clampmeter

AC Clamp Adaptor

AC/DC Current Adaptor

Transistorised Electronic Analog & Digital Insulation

Resistance Testers

Digital Sound Level Meter & Sound Level Calibrator

Digital contact & Non-contact Type Tachometer

Digital Non-contact (infrared) Thermometer

Thermo Hygrometer

Thermo Anemometer

Wood Moisture Meter

Distance Meter

Digital Hand Held Temperature Indicators

Digital Lux Meter

Network Cable Tester

Power Factor Regulator

Maximum Demand Controller/Digital Power Meter

LIST OF PRODUCTS

OFF

600V

1500

1000

SELECT

RANGE

HOLD DCA ADJ

OFF

CAT III

600V

AUTO

MANU HOLD

Max

Min

APO

°C°F

DIGITAL CLAMP METER

KM 2775

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 MEASUREMENTS CAREFULLY AND YOU’LL SPARE YOUR

METER AND YOURSELF, SOME PAIN

INDEX PAGE

1. INTRODUCTION..............................................1

2. SAFETY NOTES..............................................2

3. FEATURES.......................................................3

4. GENERAL.....................................................4-5

5. SPECIFICATIONS.........................................6-8

6. INSTRUMENT LAYOUT..............................9-12

7. MEASUREMENT.......................................13-15

8. MAINTENANCE..............................................16

9. TEST CERTIFICATE.......................................17

10. WARRANTY....................................................18

-1-

This meter has been designed and tested According to

IEC Publication 348, Safety Requirements for

Electronic Measuring Apparatus, IEC-1010 (En61010)

and other safety standards. Follow all warnings to

ensure safe operation.

1. INTRODUCTION

NOTE

WARNING

READ “SAFETY NOTES” (NEXT PAGE) BEFORE

USING THE METER.

2. SAFETY NOTES

Read the following safety information carefully before

attempting to operate or service the Meter.

— Use the meter only as specified in this manual :

Otherwise the protection provided by the meter may be

inpaired.

—Always keep hands behind the meter barrier.

—Use extreme caution when clamping around uninstalled

conductors or bus bars.

—Never clamp around any conductor carrying a voltage

above 600V R. M. S.

—Rated environmental conditions :

1. Indoor use.

2. Installation category III.

3. Pollution degree II.

4. Altitude up to 2000 meter.

5. Relative humidity 80% max.

6. Ambient temperature 0-40 C.

Observe the international Electrical Symbols listed

below :

Meter protected throughtout by double insulation

or reinforced insulation.

Warning ! Risk of electric shock.

Caution ! Refer to this manual before using the

meter.

Alternating current.

Earth (ground) terminal.

Application around and removal from hazardous

live conductors is permitted.

-2-

3. FEATURES

CAT IV - Is for measurements performed at the source of the

low voltage installation.

CAT I - Is for measurements performed on circuits not

directly Connected to Mains.

CAT II - Is for measurement performed on circuits directly

connected to the low voltage installation.

CAT III - Is for measurements performed in the building

installaton.

-3-

— 4000 - Count LCD

— Full Automatic measurement

ž Voltage measurement

ž Current measurement

ž Resistor measurement

ž Capacitor measurement

ž Frequency Counter

— Range change function.

— Data Hold Function freezes the reading.

— Continuity check.

— Diode measurement.

— Low battery indication

— Auto Power Off (APO) function.

— Safety design throughout with no exposed metal parts,

shielded banana plugs and recessed input terminals.

4. GENERAL

— Overload Protection :

ACV 600V rms

DCV 600V

Frequency & Ohm 500V rms

— Conductor Size : Approx 55mm max

— Dimensions : 260mm(L) X 95mm(W) x 43mm(D)

— Weight : Approx. 540g. (Battery included)

— Power Source : Standared 9V Battery.

— Operating Principle : Dual slope integration

— Over range indication : “OL” indicated.

— Low Battery indication : “ ” sign appears on the display

when the battery voltage drops below accurate

operating level.

— Response Time : Approx. 1 second.

— Sample Rate : Approx. 2 times per second.

— Temperature & Humidity for Guaranteed

o o

— Accuracy : -10 C to 50 C at < 80% max. Relative humidity.

- 4-

— Storage Temperature & Humidity :

o o

-20 C to 60 C at < 80% max. relative humidity.

—Battery Life :

Approx. 100 hours on continuous use.

(Alkaline)

—Accessories :

Test leads, Carrying Case, instruction manual,

Battery (one standard 9V).

-5-

o o

5. SPECIFICATIONS (All at 23 C±5 C, £80% R.H.)

AC Voltage

Range Resolution Accuracy (at 40-500Hz)

400 mV

4 V

40 V

400 V

600 V

0.1 mV

1 mV

10 mV

100 mV

1 V

± (2.0% rdg + 3dgt)

± (1.5% rdg + 3dgt)

* Overload Protection : 600V AC RMS

* Frequency Response : 0~400mV at 40Hz~100Hz

4V~600V at 40Hz ~ 500Hz

DC Voltage

Range Resolution Accuracy (at 40-500Hz)

400 mV

4 V

40 V

400 V

600 V

0.1 mV

1 mV

10 mV

100 mV

1 V

± (1.0% rdg + 3dgt)

* Overload Protection : 600V DC

AC Current

Range Resolution Accuracy (at 40-500Hz)

400 A

2000 A

0.1 A

1 A

± (2.0% rdg + 4dgt)

* Frequency Response : 40Hz ~ 500Hz

-6-

Resistance :

Range Resolution Accuracy

400 W

4 KW

40 KW

400 KW

4 MW

40 MW

0.1 W

1 W

10 W

100 W

1 KW

10 KW

± (1.5% rdg + 3dgt)

± (2.0% rdg + 4dgt)

* Overload Protection : 500V AC RMS or 500V

DC Current

Range Resolution Accuracy (at 40-500Hz)

400 A

2000 A

0.1 A

1 A

± (1.5% rdg + 4dgt)

Continuity Test

Range Audible threshold

400 WLess than 25W

* Overload Protection : 500V AC RMS or 500V DC

Diode Test

Range

Resolution Accuracy

1 mV ± (1.5%rdg + 3dgt)

-7- -8-

Capacitor

Range Resolution Accuracy

4 nF (30p-4nF) 1 pF

10 pF

100 pF

1 nF

10 nF

100 nF

1 mF

± (3.0% rdg + 5dgt)

± (2.0% rdg + 5dgt)

± (2.5% rdg + 5dgt)

* Overload Protection : 500V AC RMS or 500V DC

40 nF

400 nF

4 mF

40 mF

400 mF

4 mF

Frequency Counter

Range Resolution Accuracy

1 Hz

10 Hz

± (0.3% rdg + 2dgt)

* Overload Protection : 500V AC RMS or 500V DC

* Trigger level : 0.2V

4 KHZ

20 KHz

6. INSTRUMENT LAYOUT

-9- -10-

CAT III

MAX 600V

(6)

(7)

(1) Transformer Jaws

Pick up the AC current or DC current flowing through

the conductor. The “+” marking on the jaw indicates

direction of DC current existing on the conductor

being tested which follows forward and vertically with

jaws, the reading shown on display is positive.

(2) Barrier

Provide a protective distance from hands to

conductor.

(3) Jaw Trigger

Press the lever to open the transformer jaws.

When the lever is released, the jaws will close again.

(4) Function selector rotary switch

The rotary switch selects the function.

(5) LCD Display

The LCD display indicates the function mode, bar

graph, annunciator, and measured value of a signal.

Field effects 3¾ digit LCD with maximum reading of

3999.

OFF

600V

1500

1000

SELECT

RANGE

HOLD DCA ADJ

OFF

CAT III

600V

AUTO

MANU HOLD

Max

Min

APO

°C °F

DIGITAL CLAMP METER

(1)

(3)

(4)

(11)

(5)

(10)

(9)

(8)

(2)

The meter has a default auto power off function

(APO annunciator turns on). If the meter idles for

more than 10 minutes, the meter automatically turns

the power off. When this happens, the state of the

meter is saved. In order to disable auto power off

function, power function, power on the meter when

any of the push function, except for HOLD, is

pressed down.

-12-

(6) Volt / Ohm / Frequency Terminal

This is positive input terminal for Voltage/Ohm/

Frequency measurement. Use the RED test lead

to connect.

(7) COM Terminal

This is the ground input terminal. Use the BLACK

test lead to connect.

(8) Select Button

In the resistance + continuity + diode function

Press the Select button to selects resistance,

Continuity or diode function.

(9) Range Button

Press the Range button to selects the manual range

mode and turns off the AUTO annunciator and turns

on the manual annunciator and changes the full

scale range. In manual range mode, each time

press Range button (less than one second), the

range increments and a new value is displayed. To

exit the manual range mode and return to auto

mode, press the RANGE button (more than one

second).

(10) HOLD Button

Press the HOLD button (HOLD annunciator turns

on) makes the meter stop updating the LCD display.

This mode can be nested in most of the special

modes. Enabling HOLD function in automatic mode

makes the meter switch to manual mode, but the full

scale range remains the same. HOLD function can

be cancelled by changing the measurement mode,

pressing Range, or push HOLD again.

(11) DCA zero adjust shaft

(12) Auto Power Off (APO)

-11-

7. MEASUREMENT

Before proceeding with measurement, read the safety

notes.

Insert the BLACK test lead to COM and the RED one

to the other terminal.

Switch to ACV function for AC voltage or DCV

function for DC Voltage.

Use the test lead tip to the circuit and read the

reading of display directly.

If the readings exceed AC 600V (DC 600V), may be

the reading value is wrong and it is dangerous.

(Refer to the safety notes).

(1) Voltage Measurement

Switch to ACA function for AC Current or DCA

function for DC Current.

If the initial reading of DCA is not zero, use the DCA

zero adjust shaft to adjust.

Make sure that the test lead is not connecting to the

terminal.

Press the jaw trigger to open the transformer jaws &

clamp onto one conductor only. Read the display

reading directly.

(2) Current Measurement

Switch to OHM range & make sure there is no power

in the circuit being measured. Insert the BLACK lead

to the COM and the RED one to another.

Connect the test leads to the circuit or device under

test & read the display directly.

(3) Resistance Measurement

-13-

Continuity check shares the same configuration with

400.0W manual resistance measurement mode, but

with buzzer output to indicate continuity.

The buzzer generates a 2KHz sound whenever the

digit number less than 25W. Because the cycle time

of measurement is only 50ms, the least significant

digit will not display.

(4) Continuity Check

Diode measurement mode shares the same

configuration with 4.000V manual voltage

measurement mode.

(5) Diode Measurement

Switch to capacitance measurement mode. Insert

the BLACK test lead to COM and the RED one to

the other terminal.

(6) Capacitance Measurement

If the test circuit is open or the voltage drop between

the two ports of the device (diode) under test are

larger than 2V, the LCD panel will show “OL”.

The buzzer generates a 2KHz sound whenever the

digit number is less than 0.25V. Because the cycle

time of measurement is only 50ms, the least

significant digit will not display.

Connect the test leads to the capacitance test and

read the display directly.

In order to obtain an accurate reading, a capacitor

must be discharged before measurement begins.

The chip has a built-in discharge mode to

automatically discharge the capacitor.

-14-

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