Kusam-meco 9999 Manual de usuario

TRUE RMS AC/DC

DIGITAL

CLAMPMETER

MODEL - 9999

AUTO

ZERO

MIN

MAX

HOLD

- +

999.9

k9Hz

9999

TRMS

0 25 50 75 100

VWCOM

INRUSH MAX

MIN ZERO Hz

APO >2S

·)))

OCx

CAT III 600V

DATA

PEAK

600V

MAX

A V

OFW

TAKE MEASUREMENT CAREFULLY AND YOU’LL

SPARE YOUR METER AND YOURSELF, SOME PAIN

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 accident 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.

Table of Contents

Title Page

Overview ---------------------------------------------1

Unpacking Inspection -----------------------------1

Features ---------------------------------------------2

General Specifications ----------------------------2

Electrical Specifications ---------------------------3

AC Current -------------------------------------

DC Voltage -------------------------------------

AC Voltage ------------------------------------

Resistance ------------------------------------

Diode Test & Continuity ---------------------

Frequency -------------------------------------

Safety Information -----------------------------------6

International Electrical Symbols ------------------7

The Clampmeter Structure ------------------------8

Functional Buttons ---------------------------------9

Display Symbols -------------------------------------12

Measurement Operation --------------------------

A. AC Current Measurement -------------13

B. DC Current Measurement -------------14

C. Voltage Measurement -----------------14

D. Measuring Resistance -----------------15

E. Measuring Diodes & Continuity ------16

F. Measuring Frequency ------------------17

G. Measuring Temperature ---------------18

H. Measuring Capacitance ----------------18

Maintenance ---------------------------------------19

Replacing the Battery

Test Certificate ---------------------------------------20

Warranty -----------------------------------------------21

Unpacking Inspection

Open the package case and take out the Clampmeter.

Check the following items carefully to see any missing

or damaged part :

Item Description Qty.

1 English Operating Manual 1 piece

2 Test Lead 1 pair

3 K-Type Thermocouple 1 piece

4 Thermocouple Adaptor 1 piece

In the event you find any Part missing or damaged,

please contact your dealer immediately.

Overview

Warning

To avoid electric shock or personal injury, read

the “Rules for Safe Operation”carefully before

using the Meter.

Digital Clampmeter Model - 9999 (hereafter

referred to as “the Meter”) is a 4 digits True RMS

Clampmeter with steady operations, and highly

reliable hand-held measuring instrument having

different measurement functions. The Clampmeter

not only can measure AC Current, AC/DC Voltage,

Frequency, Resistance, it can also test DC

Current, "INRUSH" Current, Capacitance,

Temperature, Diode Test. It also has Data Hold,

Peak Hold, Max Hold & Full Icon Display.

Terms in this manual

Warning : identifies conditions and actions

that could result in serious

injury or even death to the user.

Caution : identifies conditions and actions

that could cause damage or

malfunction in the instrument.

FEATURES :

!INRUSH Current measuring function.

!High - Accuracy, Digital Reading.

!Large LCD of 21mm (h) for Easy Reading.

!Instant Continuity Buzzer.

!Overload Protection on all Ranges.

!Recessed Safety Designed Input Jacks.

!Data Hold, Peak Hold And Max Hold Functions

!Relative zero function.

GENERAL SPECIFICATIONS

Jaw size : Maximum Conductor 46.5 mm f.

Display : 4 digit liquid crystal display (LCD) with a

maximum reading of 9999.

Overrange : "OL" mark indication.

Low battery indication: The " " is displayed

when the battery voltage drops below

the operating level.

Measurement rate : 2 times per second, nominal.

Operating environment : 0 C to 50 C at <70%R.H.

o o

Storage Temperature : -20 C to 60 C at <80%R.H.

with battery removed from meter.

Accuracy stated at ambient temperature 18 C

o o o

to 28 C(65 F to 82 F), <70% R.H.

Temperature Coefficient : 10% of applicable

o o

accuracy per C(5% per F) out side the

o o o

range of 18 to 28 C (65 F to 82 F)

Indoor use.

Altitude up to 2000m.

Safety Conformance : All input are protected to

EN61010-1, 600V CAT III. Pollution degree II.

EMC-instrument unspecified for use in EMC

field.

Power : Single standard 9V battery.

Dimensions : 250mm(H)X100mm(W)X46mm(D).

Weight : Approx. 425gms.. including battery.

- +

ELECTRICAL SPECIFICATION :

AC CURRENT TRMS (accuracy : at the center of CT)

Range Resolution

0 to 999.9A 0.1 A

Accuracy

± (2% rdg + 5dgts)

on 20 to 100Hz

Crest Factor : <3@ 0 to 500A

<2.5 @ 500 to 600A

<1.42 @ 600 to 1000A

Overload Protection : 1000A AC max for 1 minute

± (6% rdg + 5dgts)

on 100 to 400Hz

DC CURRENT (accuracy: at the center of CT)

Range Resolution

0 to 999.9A 0.1 A

Accuracy

± (2% rdg + 5dgts)

Overload Protection : 1200A DC max for 1 minute.

DC VOLTS

Range Resolution

0 to 600.0V 0.1 V

Accuracy

± (1% rdg + 5dgts)

Input Impedance : 1 MW

Overload Protection : 600V DC/AC rms.

AC VOLTS TRMS

Range Resolution

0 to 600.0V 0.1 V

Accuracy

± (1% rdg + 5dgts)

on 20 to 100Hz

Input Impedance : 1 MW

Overload Protection : 600V DC/AC rms.

± (6% rdg + 5dgts)

on 100 to 400Hz

Overload Protection : 600V DC / AC rms

± (0.5%rdg + 1 C)

TEMPERATURE (K-Type Thermocouple)

Range

o o

-40 C to 1200 C

o o

-40 F to 2200 F

Accuracy

± (0.5%rdg + 2 F)

(not including

thermo couple error)

o o o

Resolution : 0.1 C on -40 C to 999.9 C

o o o

1 C on 1000 C to 1200 C

o o o

0.1 F on -40 F to 999.9 F

o o o

1 F on 1000 F to 2200 F

Overload Protection : 600V DC / AC rms

± (1.5%rdg + 5dgts)

RESISTANCE (Autorange)

Range

Resolution

0 to 999.9 W

1000 to 9999 W

0.1

Accuracy

CAPACITANCE

Range Resolution

0 to 999.9mF 0.1 mF

Accuracy

± (5%rdg + 10dgts)

Overload Protection : 600V DC / AC rms.

NOTE : Supplied Thermocouple is suitable for

measurement upto 250 C, for higher

Temprature measurement use separate

T. C. probe.

± (0.5%rdg + 5dgts)

FREQUENCY

Range

20 to 400.0Hz

Accuracy

Resolution

0.1Hz

Sensitivity : 5Vrms. TTL signal

5A@20 to 100Hz

10A@100 to 400Hz

Overload Protection : 600V DC / AC rms

Overload Protection : 600V DC / AC rms.

1 mV

± (3.0%rdg + 3dgts)

DIODE TEST

Accuracy

Resolution

<3.0V DC

0.2mA ± 0.1 mA

TEST CURRENT

TEST VOLTAGE

600V DC/AC rms.

< 30 W

CONTINUITY

Audible indication

OL. PROTECTION

SAFETY INFORMATION

The following safety information must be

observed to ensure maximum personal safety

during the operation of this meter.

1. Do not use the meter if the meter or test leads

look damaged, or if you suspect that the

meter is not operating properly.

2. This meter is not recommended for high

voltage industrial use, for example, not for

measurements of 440V AC or 600V AC

industrial power mains. The unit is intended

for use with low energy circuits to 600V

AC/DC or high energy circuit to 250V AC or

DC.

3. Turn off power to the circuit under test before

cutting, unsoldering, or breaking the circuit.

Small amounts of current can be dangerous.

4. Use caution when working above 60V DC or

30V AC rms. Such voltages pose a shock

hazard.

5. When using the probes, keep your fingers

behind the finger guards on the probes.

6. Measuring voltage which exceeds the limits of

the Clampmeter may damage the meter and

expose the operator to a shock hazard.

Always recognize the meter voltage limits as

stated on the front of the meter.

International Electrical Symbols

Dangerous Voltage

See Explanation in Manual

AC Alternating Current.

Double Insulation (Protection Class II)

DC (Direct Current).

Both DC & AC

Not to be exposed to dripping or splashing environment.

Warning :-

- +

Deficiency of Built in Battery.

Continuity Test

Diode

Fuse

Ground

Hazardous

liveconductor

HAND Barrier

DATA

PEAK

CAT III 600V

AHz

WARNING :- Typical meter applications are near

exposed lethal voltages. Use caution when taking

measurements. Before the meter is connected to

any circuit, review the safety information.

Always keep hands

behind the meter

HAND Barrier.

9999

TRMS

0 25 50 75 100

VWCOM

INRUSH MAX

MIN ZERO Hz

600V

MAX

The Clampmeter Structure

1) TRANSFORMER JAWS :

Pick up the AC current flowing through the

conductor.

2) TRIGGER :

Press the lever to open the transformer jaws. When

the lever is released, the jaws will close again.

3) FUNCTION SELECTOR :

To Select ACV, ACA, DCV, DCA, RESISTANCE,

FREQUENCY, CAPACITANCE, TEMP.,

DIODE & CONTINUITY.

4) LCD DISPLAY :

A 4 digit display (maximum reading 9999)

indicates measured values, and features symbols

indicating function, Data - Hold, Peak Hold, Max

Hold, Low Battery, Continuity, Diode along with

40 Segment Analog Bar Graph.

5) INPUT JACKS (VW+, and COM- ) :

Test leads are inserted into these jacks for

Voltage, Resistance, Frequency, Capacitance,

Temperature measurements and Continuity &

Diode Checks.

FUNCTIONAL BUTTONS

POWER ON THE METER

Turn on the meter : To select power on option. Turn

the rotaryswitch from "zero" position to any switch

position.

Turn off the meter: Turn the range rotaryswitch into

"zero " position to turn off the meter.

AUTOMATIC POWER OFF

The display blanks and the meter enters

the APO mode if you have not changed the rotary

switch position or pressed a button for 10 minutes.

In APO mode the "AUTO" is displayed. While in APO

mode, change the rotary switch to turn the meter on.

INRUSH current & APO Function

Button :

In "INRUSH" current function, the meter

takes a large number of samples precisely at the

beginning of the starting current for a 100-milli second

period and then digitally filters and processes the

samples to calculate the actual staring current. The

"INRUSH" function is enabled at the ACA and DCA

range.

Press "ZERO " button to enter the

relative mode and zero the display, and store the

displayed as a reference value. In relative mode,

the " " is displayed.

Press and hold down the "ZERO "

button for more than 2 seconds to exit the relative

mode.

MAX/MIN Function Button

Press the "MAX/MIN" button to enter the

MAX, MIN recording mode. (Displays the

Maximum reading, Minimum reading).

To pause max/min function without

erasing stored values, press . The " HOLD " is

displayed. Press "MAX/MIN" button and hold down

the "MAX/MIN" button for more than 2 seconds or

turn the rotary switch to exit the MAX/MIN function.

1. Press the "INRUSH" button before the inrush

current measurement and display

shows "- - - -".

2. Press the trigger to open transformer jaws and

clamp on to one conductor only, and turn on

the motor.

3. Read the INRUSH current directly from display.

Press and hold down the "INRUSH" button for

more than 2 seconds to disable/enable the

APO mode, and the "AUTO" turn off.

ZERO Function Button

Select the function

frequency is to be checked i.e. "A" or "V". Then

press the 'Hz' button to measure the frequency of

that function (A or V).

by rotary switch whose

Display HOLD & PEAK Function Button

In display HOLD mode, the meter holds the

reading on the display.

In PEAK mode, the meter displays the PEAK

value of measured value, PEAK function is enabled

at ACV, DCV, ACA and DCA range.

Press button to activate display HOLD. The

" HOLD " is displayed.

Press button again to activate PEAK function.

The " " is displayed.

Press button again to resume normal operation.

Hz Function Button

Display Symbols

12 W, kW,

W: Ohm. The unit of resistance.

KW: kilo-ohm. 1 x 10 or 1000 ohms.

Symbol

No.

- +

Meaning

Dangerous Voltages.

Warning : To avoid false

readings, which could lead to

possible electric shock or personal

injury, replace the battery as soon as

the low battery indicator appears.

Indicator for AC voltage or

current, The displayed value

is the TRMS value.

Indicates negative reading.

Test of diode.

Data hold is active.

The continuity buzzer is on.

A:Amperes (amps) The unit of current.

V : Volts. The unit of voltage.

Hz : frequency.

The battery is low

Peak reading in current range

Max/Min reading in the function/range

measured

MIN

MAX

999.9

WHz

100

AUTO ZERO HOLD

- +

0 25 50 75

HOLD

MAX/MIN

11 mf mf : Unit of Capacitance.

A) AC CURRENT MEASUREMENT

1. Set the range rotary switch to "~A".

2. Press the trigger to open transformer jaws and

clamp onto one conductor only. Read the

current directly on the display. It is recommended

that the conductor be placed at the center of the

closed jaws for maximum accuracy.

OPERATION

Before taking any measurements, read the

safety Information section. Always examine the

instrument for damage, contamination (excessive

dirt, grease, etc.) and defects. Examine the test

leads for cracked or frayed insulation. If any

abnormal conditions exist do not attempt to make any

measurements.

AUTO ZERO MIN

MAX

HOLD

- +

9999

k9Hz

9999

TRMS

0 25 50 75 100

VWCOM

INRUSH MAX

MIN ZERO Hz

APO >2S

·)))

OCx

CAT III 600V

DATA

PEAK

600V

MAX

A V

OFW

1. Set the range rotaryswitch to " ".

2. Press " ZERO " button to off

set the residual magnetic of jaws.

The " " is displayed.

3. Press the trigger to open

transformer jaws and clamp

on to one conductor only.

Read the current directly on

the display. It is recommended

that the conductor be placed

at the center of the closed

jaws for maximum accuracy.

AUTO ZERO MIN

MAX

HOLD

- +

9999

k9Hz

9999

TRMS

0 25 50 75 100

VWCOM

INRUSH MAX

MIN ZERO Hz

APO >2S

·)))

OCx

CAT III 600V

DATA

PEAK

600V

MAX

A V

OFW

C) VOLTAGE MEASUREMENTS

RedBlack

AUTO ZERO MIN

MAX

HOLD

- +

9999

k9Hz

9999

TRMS

0 25 50 75 100

VWCOM

INRUSH MAX

MIN ZERO Hz

APO >2S

·)))

OCx

CAT III 600V

DATA

PEAK

600V

MAX

A V

OFW

B) DC CURRENT MEASUREMENT

Red Black

AUTO ZERO MIN

MAX

HOLD

- +

9999

k9Hz

9999

TRMS

0 25 50 75 100

VWCOM

INRUSH MAX

MIN ZERO Hz

APO >2S

·)))

OCx

CAT III 600V

DATA

PEAK

600V

MAX

A V

OFW

1. Set the range rotary switch to Wposition.

2. Remove power from the equipment under test.

3. Connect the red test lead to the " VW" jack

and the black test lead to the "COM" jack.

4. Touch the probes to the test points. The value

indicated in the display is the measured value of

resistance in ohms.

D) RESISTANCE MEASUREMENTS

1. Connect the red test lead to the "VW" jack

and the black test lead to the "COM" jack.

2. Set the range rotary switch to the desired

voltage range.

3. Connect the test leads to the device or circuit

being measured.

4. For DC, a (-) sign is displayed for negative

polarity, positive polarity is implied.

Diode Tests

1. Set the range rotary switch to position.

2. Remove power from the equipment under test.

3. Touch probes to the diode. A forward-voltage

drop is about 0.6V (typical for a silicon diode).

4. Reverse probes. If the diode is good, "OL" is

displayed. If the diode is shorted, "0.000" or

another number is displayed.

5. If the diode is open, "OL" is displayed, in both

directions.

6. If the junction is measured in a circuit and a low

reading is obtained with both lead connections,

the junction may be shunted by a resistance of

less than 1kW. In this case the diode must be

disconnected from the circuit for accurate

testing.

E) MEASURING DIODES & CONTINUITY

Red Black

AUTO ZERO MIN

MAX

HOLD

- +

9999

k9Hz

9999

TRMS

0 25 50 75 100

VWCOM

INRUSH MAX

MIN ZERO Hz

APO >2S

·)))

OCx

CAT III 600V

DATA

PEAK

600V

MAX

A V

OFW

1. Set the range rotary to position. The " "

is displayed.

2. Turn off power to the circuit under test. External

voltage across the components causes invalid

readings.

3. Connect the test leads to the two points at

which continuity is to be tested. The buzzer will

so und i f the r esis tan ce is l ess t han

approximately 30W.

)))

RedBlack

AUTO ZERO MIN

MAX

HOLD

- +

9999

k9Hz

9999

TRMS

0 25 50 75 100

VWCOM

INRUSH MAX

MIN ZERO Hz

APO >2S

·)))

OCx

CAT III 600V

DATA

PEAK

600V

MAX

A V

OFW

F) FREQUENCY MEASUREMENT

CONTINUITY MEASUREMENTS

1. Set the range rotary switch to the ~AHz or ~VHz

position, and press "Hz" button, the Hz is

displayed.

2. In ACV range, connect the red test lead to the

"VW" jack and the black test lead to the "COM"

jack.

3. Connect the test leads to the point of measure-

ment and read the frequency from the display.

4. In ACA range, refer to AC Current

Measurement. Press 'Hz' button.

5. Read the frequency from the display.

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