KYORITSU 2012R User Manual

DIGITAL MULTIMETER

WITH

AC/DC CLAMP SENSOR

KEW MATE 2012R

This instrument satisfies the marking requirement defined in the WEE E Directive. This s ymbo l indi cate s sepa rate collection for electrical and electronic equipment.

This marking means they shall be sorted out and collected as ordained in DIRECTIVE 2006/66/EC. This directive is vali d o nly in the EU. When you remove batteries from this product and dispose them, discard them in accordance with domestic law concerning disposal. Take a right action on waste batteries, because the collection system in the EU on waste batteries are regulated.

WARNING

●Measurement Category(CAT) The restrict ions o n the maximum v oltage level for which

the this product can be used, depend on the measurement categories specified by the safety standards.

Do not apply any input level higher than maximum allowable

input.

AC/DC 600V CAT II AC/DC300V CAT III

CAT II

Appliances, portable equipment, ect. For measurements per formed on circuits direc tly connecte

d to the low

voltage installation.

CAT III

D is tr i bu ti o n boa rd, c ir c ui t br ea ker , e ct . Fo r measurements performed in the building installation.

DANGER

● Never make measurement on circuits with a maximum voltage

difference of 600V or greater between conductors (300V or greater between a conductor and ground).

● Do not attempt to make mea surement in the presen ce of

flammable gasses.

Otherwise, the use of the instrument may cause sparking,

which leads to an explosion.

● Never attempt to use the instrument if its surface or your hand

is wet.

●

Do not exceed the maximu m allowable input of measuri ng ranges.

● Never open the battery compartment cover while making

measurement.

● Never try to make measurement if any abnormal conditions,

such as broken Clamp Sensor or case is noted.

● The instrument is to be used only in its intended applications or

conditions.

Otherwise, safety function s equip ped with the instrument

doesnt work, and instrume

nt damage or serious persona l

injury may be caused.

1．SAFETY WARNINGS

This instrument has been designed and tested a ccording to IEC P ublicat ion 61010: Safe ty Req uire ments for Elec tron ic Measuring Apparatus. This instruction manual contains warnings and safety rules which must be observed by the user to ensure safe operation of the instrument and to retain it in safe condition. Therefore, read through t hese operating instructions before starting usin

g the instrument.

# WARNING

● Read through and understand instructions contained in this

manual before starting using the instrument.

● Save and keep the manual handy to enable quick reference

whenever necessary.

● Be sure to use the instrument only in its intended applications

and to follow measureme nt procedures described in the manual.

● Be sure to understan d and follow all safe ty instructions

contained in the manua

Failure to follow the above instructions may cause injury, damage to the instrument and/or damage to equipment under test.

The symbol # indicated on the instrument means that the user must refer to related parts of the manual for safe operation of the instrument. Be sure to carefully read the instructions following each # symbol in this manual.

DANGER：is reserved for conditions and actions that are

likely to cause serious or fatal injury.

WARNING：is reserved for conditions and actions that can

cause serious or fatal injury.

CAUTION：is reserved for conditions and actions that can

cause minor injury or instrument damage.

Fo llo win g sym bol s are used on the ins trument and in the instruction manual. Attention should be paid to each symbol t

ensure your safety.

Refer to the instructions in the manual. This symbol is marked where the user must refer to the instruction manual so as not to cause personal injury or instrument damage.



Indicates an instrument with double or reinforced insulation. Indicates that this instrument can clamp on bare conductors

when measuring a voltage corresponding to the applicable Measurement category, which is marked next to this symbol.



Indicates AC (Alternating Current)．



Indicates DC (Direct Current).

WARNING

● Never attempt to make any measurement, if any abnormal

conditions are noted, such as broken case, cracked test leads or Clamp Sensor Cable and exposed metal parts or internal wiring.

● Do not turn the Function Selector Switch while the test leads

are connected to the circuit under test.

● Do not install substitute parts or make any modification to

the instrumen t. Return the instrument to

Kyo ritsu or your

distributor for repair or re-calibration.

● Do not try to replace the batteries if the sur face of the

instrument is wet.

● Alw ays dis connect the clam p sensor and the test lead s

from t he circ uit under test and swit ch off the instrument before opening the battery compar tment cover for battery replacement.

● A cap is provided on the tip of a test lead. Use a test lead with

the cap on fo

r safety.

CAUTION

● Make sure that t he Func tion Selector Swi tch is set to an

appropriate position before making measurement.

● Always make sure to place the test leads in the holster before

making current measurement.

● Do not expose the ins trum ent to the dire ct sun, extreme

temperatures or dew fall.

● This instrument isn't dust & water proofed. Keep away from

dust and water.

● Be sure to s et the Function Sele

ctor Switch to the "OFF" position after use. When the instrument will not be used for a long period of time, place it in storage after removing the batteries.

● Use a damp cloth and detergent for cleaning the instrument.

Do not use abrasives or solvents.

3．SPECIFICATIONS

● Measurin g R anges and Accuracy (at 23 ℃ ±5 ℃ , relative

humidity75% or less)

AC Current  A (RMS value detection) Maximum Input Current : 120A

Range Display range Allowable input Accuracy

60A 0.00～60.39A

0.00～60.00Arms (85Apeak or less)

±2.0%rdg±5dgt

(45～65Hz)

（sine wave）

120A 0.0～603.9A

0.0～120.0Arms

(170Apeak or less)

※ For non-sinusoidal waveforms, add ±(2% of reading + 2% of

full scale), for Crest factor<2.5.

DC Current  A Maximum Input Current : 120A

Range Display range Allowable input Accuracy

60A ±0.00～60.39A ±0.00～60.00A ±2.0%rdg±8dgt

120A ±0.0～603.9A ±0.0～120.0A ±2.0%rdg±5dgt

AC Voltage  V (RMS value detection, Auto-range) Maximum Input Voltage : 600V

Range Display range Allowable input Accuracy

6V 0.000～6.039V

0.300～600.0Vrms (850Vpeak or less)

±1.5%rdg±5dgt

(45～400Hz)

（sine wave）

60V 5.60～60.39V

600V 56.0～603.9V

※Input Impedance：approx. 10MΩ <200pF ※ For non-sinusoidal waveforms, add ±(2% of reading + 2% of

full scale), for Crest factor<2.5.

DC Voltage  V (Auto-range) Maximum Input Voltage : 600V

Range Display range Allowable input Accuracy

600mV ±0.0～603.9mV

±0.0m～600.0V ±1.0%rdg±3dgt

6V ±0.560～6.039V

60V ±5.60～60.39V

600V ±56.0～603.9V

※Input Impedance：approx. 10MΩ

Resistance Ω (Auto-range)

Range Display range Allowable input Accuracy

600Ω 0.0～603.9Ω

0.0Ω～60.00MΩ

±1.0%rdg±5dgt

6kΩ 0.560～6.039kΩ

60kΩ 5.60～60.39kΩ

600kΩ 56.0～603.9kΩ

6MΩ

0.560～6.039MΩ

±2.0%rdg±5dgt

60MΩ 5.60～60.39MΩ ±3.0%rdg±5dgt

※ Open-loop Voltage：approx.0.6V, Measuring Current : 0.3mA or

less

Continuity

Range Display range Allowable input Accuracy

600Ω 0.0～603.9Ω 0.0～600.0Ω ±1.0%rdg±5dgt

※The buzzer turns on for resistances lower than 35±25Ω. ※ Open-loop Voltage：approx.0.6V, Measuring Current : 0.3mA

or less

Diode



Range Display range Allowable input Accuracy

2V 0.000～1.999V 0.000～1.999V ±3.0%rdg±5dgt

※Open-loop Voltage：approx.2.7V

Capacitor

(Auto-range)

Range Display range Allowable input Accuracy

40nF 0.00～40.39nF the accuracy is not guaranteed

400nF 36.0～403.9nF

40.0n～40.00μF

±2.5%rdg±10dgt4μF 0.360～4.039μF

40μF 3.60～40.39μF

400μF 36.0～403.9μF

the accuracy is not guaranteed

4000μF 360～4039μF

Frequency Hz ( AC Current ) (Auto-range)

Range Display range Allowable input Accuracy

10Hz 0.000～9.999Hz The accuracy is not guaranteed

100Hz 9.00～99.99Hz

9.00Hz～400.0Hz

±0.2％rdg±2dgt

1000Hz

90.0～400.0Hz ±0.1％rdg±1dgt

400.1～999.9Hz

The accuracy is not guaranteed

10kHz 0.900～9.999kHz

100kHz 9.00～99.99kHz

1000kHz 90.0～999.9kHz

10MHz 0.900～9.999MHz

※Input Current：more than 6A

Frequency Hz ( AC Voltage ) (Auto-range)

Range Display range Allowable input Accuracy

10Hz 0.000～9.999Hz The accuracy is not guaranteed

100Hz 9.00～99.99Hz

9.00Hz～300.0kHz

±0.2％rdg±2dgt

1000Hz 90.0～999.9Hz

±0.1％rdg±1dgt

10kHz 0.900～9.999kHz

100kHz 9.00～99.99kHz

300kHz 90.0～300.0kHz

1000kHz 300.1～999.9kHz

The accuracy is not guaranteed

10MHz 0.900～9.999MHz

※ Input Voltage：more than 6V (～10kHz) , more than 20V (10k

～

300kHz)

※Input Impedance：approx. 900kΩ

Note:◇ The sy

mbol of "―" in the above table means that the instrument only displays the value, but the accuracy, the proper operation and the safety are not guaranteed.

2．FEATURES

● Permits AC/DC current measurement up to 120A usin g a

clamp sensor that comes standard with the instrument

● Clamp sensor for ease of use in crowded cable areas and

other tight places

●

Permits current measurement with an open current-clamp sensor that does not require opening and closing operations by the user

●True-RMS measurements ACV and ACA.

●Auto-power-save function

●Buzzer for easy c

ontinuity checking

●Data hold function to freeze the readings

●LCD with a bar graph

●Shock absorbing holster for ease of storage

●

Designed to international safety standard IEC61010-1: over-voltage category CAT III 300V, CAT II 600V and pollution degree 2.

[ Effective Value (RMS) ] Mos t alternat ing currents and volt ages a re expressed in

effective values, which are also referred to as RMS (Root-MeanSq

uare) values.

The effective value is the square root of the average of square

of alternating current or voltage values. Many clamp meters using a conventional rectifying circuit have "RMS" scales for AC measurement. The scales are, however, actually calibrated in terms of the effective value of a sine wave though the clamp meter is responding to the average value. The calibration is done with a c

onversion factor of 1.111 for sine wave, which is found by dividing the effective value by the average value. These instruments are therefore in error if the input voltage or current has some other shape than sine wave.

[ CF (Crest Factor) ] CF (Crest Factor) is found by dividing the peak value by the

effective value.

Examples: Sine wave: CF=1.414 Square wave with a 1: 9 duty ratio: CF=3

●Safety St

andard IEC 61010-1

CAT III 300V, pollution degree 2 CAT II 600V, pollution degree 2 IEC 61010-031 IEC 61010-2-032 IEC 61326(EMC)

●Operating System ΔΣ modulation

●Display Liquid crystal display

Maximum Reading:6039 Except Hz : 9999, CAP : 4039, Diode : 1999 Bar graph with maximum points of 30.

●Display approx. 3 times per second Indication renewal

●Location for use

Indoor use, 2000m max, above sealevel

●

Operating Temperature 0 ~ +40℃ , relative humidity 85% or less

and Humidity Range (without condensation)

●Storage Temperature

-20 ~ +60℃ , relative humidity 85% or less

and Humidity Range (without condensation)

●Source Two 1.5VDC R03 (UM-4) batteries

●Current Consumption ap prox. 3mA (DCV), approx. 13mA

(ACA)

●Power-save Function Shifts to the power-save state about

15 mi nu te s after th e la st sw

itch

operation.

●Low battery warning 

Appears when the batteries

become low (2.4±0.15V or less)

●Overload Protection AC voltage / DC voltage / Frequency

ranges :

DC / ACrms 720V for 10 seconds AC current / DC current ranges : DC / ACrms 150A for 10 seconds Resis tance / Con ti nui ty / Di ode /

Capacitor ranges :

DC / ACrms 600V for 10 seconds

●Withstand Voltage AC3540Vrms for 5 seconds between

electrical circuit and housing case

●

Insulation Resistance 100MΩ or greater at 1000V

between electrical circuit and housing

case

●Conductor Size Approx. φ12mm diameter max

●Dimensions 128(L)×92(W)×27(D)mm

●Weight Approx. 220g

●Accessories Two R03 (UM-4) batteries

Instruction Manual

INSTRUCTION MANUAL

Waveform

Crest factor

Average value

Vavg

Effective value

Vrms

Conversion

factor

Vrms/ Vavg

Reading errors for

average sensing

instrument

≒0.637 ≒1.111

≒1.414

≒1.155

≒1.732

＝-3.8％

×100％

＝11.1％

≒0.707

0.5A×1.111-

A A

0.5A

0％

＝

A ＝A・D

A×1,111-A

×100

＝

（1.111 -1）

A 0

D=f/T

DISTRIBUTOR

Kyoritsu reserves the rights to change specifications or designs described in this manual without notice and without obligations.

9-12 92-2015C

4．INSTRUMENT LAYOUT

Clamp Sensor：Pick up current flowing through the conductor. Barrier：It is a part providing protection against electrical shock

an d en surin g th e mi nimum req uired air and cre ep age distances.

A Zero Adjust Button：Used for zero adjustment on DCA. Also used

to reset the display resding. Data Hold Button：Freezes the display reading. Function Selector Switch：Selects function. Also used to

power the

instrument on. Range Select or But ton：Select s meas uring mode. When t he

Ω range the d efaults to the Resistance . Then, press this

switch to cycle through Resistance → Diode → Cotinuity →

Cap acitor → R esistance. When the 60A, 120A r ange the

defaults to the AC. Then, press this switch to cycle through AC

→ DC → AC.

Test Lead Cap：Test leads can be used under the CAT.II and III

environme nts by at

taching a Prote ctive cap as illu strat ed bel ow. Use of our Protective cap offer s d iffe rent len gths suitable for the test environments.

CAUTION

● The Cap should be firmly attached to the Probes.

5．PREPARATIONS FOR MEASUREMENT

（1）Checking battery voltage

Set the Function Selector Switch to any position other than

the OFF position. If the marks on the display is clearly legible without symbol "

" showing, battery voltage is OK.

If the display blanks or "

" is indicated, replace the

batteries according to section 8: Battery Replacement.

NOTE

● When the instrument is left powered on, the auto-power-save

function automatically shut the power off; The display blanks even if the Function Selector Switch is set to a position other than the OFF position in this state.

To power on the instrument, turn the Function Selector Switch

or press any Button. If the display still blanks, the batteries are exhausted.

Replace the batteries.

（2） M

ake sure that the Function Selector Switch is set to the

appropriate range.

Also make sure that data hold function is not enabled. If

inappro pria te range is selected, desi red measurement cannot be made.

（3） Permits the measurement by placing the

one test lead in the holster while confirming the measurement value.

WARNING

● Verify proper operation on a known source before use or taking

action as a result of the indication of the instrument.

6-4 Diode Measurement

(1) Set the Function Selector Switch to "

(2) Press the

SEL

Button. "" mark is shown on the display. (3) Connect the test leads to the circuit under test. The measured value appears on the display.

[ Forward-bias Diode Test ] Connect the red test lead to the anode and the black test

lead to the cathode.

[ Reverse-bias Diode Test ] Connect the red test lead to the cathode and the black test

lead to the anode.

Note:◇ Hold the cla

mp sensor in the holster, while making the

diode measurement

6-5 Continuity Measurement

(1) Set the Function Selector Switch to "

(2) Press the

SEL

Button. " " mark is shown on the display. (3) Connect the test leads to the circuit under test. The measured value appears on the display. When the measurement value is lower than 35±25Ω, the

instrument beeps.

Note:◇ Hold the clamp sensor in the holster, while making the

continuity measurement

6-6 Capacitor Measurement

(1) Set the Function Selector Switch to "

(2) Press the

SEL

Button. "F" mark is shown on the display. (3) Connect the test leads to the circuit under test. The measured value appears on the display. Note:◇ Hold the clamp sensor in the holster, while making the

capacitor measurement.

6-7 Frequency Measurement

DANGER

● I n ord er to a vo id po ss ible shock hazar d, ne ve r ma ke

measurement on circuits with a maximum voltage difference of 600V or grea ter bet ween conductors (300V or g reater between a conductor and ground).

● D o not make measurement with the test leads connecte d

to the circuit under test. Never make measurement with the battery compartment cover removed.

● D o not mak e current mea sur eme nt wit h the t

es t leads

connected to the circuit under test.

● K eep your fin ger s and h ands behin d the b arrier dur ing

measurement.

(1) Set the Function Selector Switch to "Hz." (2) Measuring frequency of current: A djust one o f t he conductors to the cente r o f the clamp

sensor's arrow.

Measured value is shown on the display.

Measuring frequency of voltage: Connect the test leads to the circuit under

test. Measured

frequency is shown on the display.

Note:◇ Do not use both the clamp sensor and the test leads at

the same time, while making the frequency measurement.

◇ Hold the test leads in the holster, while making the frequency

measurement by using the clamp sensor.

◇ H old t he clamp sensor in the holster, whi le ma kin g the

frequency measurement by using the test leads.

7．OTHER FUNCTIONS

7-1 Auto-Power-Save Function

NOTE

● A small amount of current is consumed even in the power-save

state. Make sure to set the Function Selector Switch to the OFF position when the instrument is not used.

This function helps to avoid unwanted exhaustion of the batteries because of leaving the instrument powered on and extend battery life. The instrument automatically shifts to the power-save state about 15 minutes after the last F

unction Selector Switch or other switch operation. A minute before power-save mode the instrument beeps 5 times, finally beeps longer and then shifts to the power-save mode.

To return to the normal state: Press t he

Button or the

SEL

Button to return from the

power-save mode state to the normal state.

Note:◇ Pressing the

Button or the

SEL

Button over 2 sec to return from the power-save mode state, the function of each button is also enabled.

(ex.) When the function is 60A a nd in the power-save

mod e, press ing

SEL

Butt on over 2sec releases the

power-save mode and changes from initial AC mode to

DC mode.

To cancel the Auto-Power-Save Function To cancel the Auto-Power-Save Function, turn the function

switch from OFF position to any other position with pressing

SEL

Button.

Note:◇ When the function switch is 60A or 120A, pressing A

ZERO ADJ Button over 2 sec enables to cancel the AutoPower-Save Function.

In this case, pressing A ZERO ADJ Button over 2 sec once

agin enables the Auto-Power-Save Function.

To enable the Auto-Power-Save Function once again Turn the function switch to the OFF, and then to any position.

7-2 Data Hold Function

This is

a function to freeze a measured value on the display.

Press the

Button once to hold the current reading. In this

data hold state, the reading is held even if input varies. "

mark is shown on the LCD. To exit the data hold state, press the

Button again.

Note:◇ D at a Ho ld Fu nc tion is not ef fective whi le mak in g

Continuity or Diode measurement.

◇ When the function is on the position where

SEL

Button or

A ZERO ADJ Button is effective, pressing

SEL

Button or

A ZERO ADJ Button cancels the held indication.

8．BATTERY REPLACEMENT

WARNING

● In order to avoid possible shock hazard, always disconnect

the test leads from the circuit under test and set the Function Selector Switch to the OFF position before trying to replace the batteries.

CAUTION

●Do not mix new and old batteries.

● Install batteries in the orientation as shown inside the battery

compartment, observing correct polarity.

When the battery voltage warning mark "

" is shown on the top left corner of the LCD, replace the batteries. Note that the display blanks and "

" mark is not shown if the batteries are completely exhausted. (1) Set the Function Selector Switch to "OFF." (2) Remove the instrument from the holster. (3) Loosen the battery-compartment-cover-fixing screw on the

lower back of the instrument. (4) Replace the batteries with two new R03 (UM-4) 1.5V batteries. (5) Put the battery compartment cover back in place and tighten

the screw.

[ How to storage

the clamp sensor and the test leads ]

6．HOW TO MAKE MEASUREMENT

6-1 Current Measurement

DANGER

● I n ord er to avo id p os si ble sh ock ha zard, nev er mak e

measurement on circuits with a maximum voltage difference of 600V or grea ter bet ween conductors (300V or g reater between a conductor and ground).

● Do not make measurement with the test leads connected to

the circuit under test.

● Never make measurement with the battery compartment cover

removed.

● K eep your fin ger s and h ands behin d the b

ar rie r dur ing

measurement.

● To avoid electrical shock by touching the equipment under test

or its surroundings, be sure to wear insulated protective gear.

CAUTION

● When handling the clamp sensor, exercise caution not to apply

excessive shocks or vibration to the sensor.

●Maximum measurable conductor size is 12mm in diameter.

Note: ◇ Make sure that the test leads are in the holster while

making current measurement.

◇

Instrument can show the value over 120A, but the safe and proper measurement range is limited lower than 120A.

6-1-1 DC Current Measurement

(1) The Function Selector Switch to the "60A" or "120A" position. ("AC" marks are shown on the top of the display.) (2) Press the

SEL

Button. " " mark is shown on the display.

(3) P ress t he A ZERO A DJ Button to set t he reading o f the

instrument to zero. (Incorrect zero adjustment makes measurement errors.) (4) A djust one of the cond uctors to the center of the clamp

sensor's arrow. ( When the position of the conductor is not at the center of

the arrow, the error occurs.) Measured value is shown on the display.

Note:◇ T he dire

ction of curre nt is plu s(+) w hen the cur rent flows from the upside (A ZERO ADJ. Button side) to the underside The direction is minus(-) when the current flows from the underside to the upside.

◇ Minus "-" mark is shown at the left side of the value and

the bar graph while making minus current measurement.

◇ By changing the function switch 60A or 120A to the other

posi tion, the AC/DC mode is r

eset to the default (AC

mode). To set the DC mode, press the

SEL

Button again.

◇ T he zero adjustme nt is effective only for the current

measurement.

◇ After the zero adjustment the instrument operates as

follows.

(1) The bar graph disappears. (2) The maximum counts is changed according to the

adjusted value.

(ex.)

The maximum count is 6039-100=5939, when adjusted +100 counts to zero.

(3) △mark is shown on the display. (4)

Pressing A ZERO ADJ. Button again or

SEL

Button,

or changing the function switch releases zero adjustment function when the zero adjustment is effective.

◇ Pressing the A ZERO ADJ button over 2 sec releases the

zero adjustment function.

6-1-2 AC Current Measurement

(1) Set the Function Selector Switch to "60A." or "120A". ("

" mark is shown on the top of the LCD.)

(2) A djust one of the cond uctors to the center of the clamp

sensor's arrow.

( When the position of the conductor is not at the center of

the arrow, the error occurs.)

Measured value is shown on the display.

Note:◇ Unlike DC current measurement, zero adjustment is not

necessary. There is not polarity indication either.

6-2 Voltage Measurement

DANGER

● I n ord er to avo id p os si ble sh ock ha zard, nev er mak e

measurement on circuits with a maximum voltage difference of 600V or grea ter bet ween conductors (300V or g reater between a conductor and ground).

● D o not make measurement with the battery compartment

cover removed.

● K eep your fin ger s and h ands behin d the b arrier dur ing

measurement.

Note:◇ Make sure that the clamp sensor is in the holster

while

making voltage measurement.

◇ I

nstrument may show the value over 600V, but the safe

and proper measurement range is limited lower than 600V.

6-2-1 DC Voltage Measurement

(1) Set the Function Selector Switch to "

" mark is shown on the LCD.) (2) Short-circuit the tips of test leads to make the indication zero. (3) Connect the red test lead to the positive (+) side of the circuit

under test and the black test lead to the negative (-) side. Measured voltage value is shown on the display.

When the connection is reversed, "-" is shown on the display.

6-2-2 AC Voltage Measurement

(1) Set the Function Selector S

witch to " ".

" mark is shown on the LCD.） (2) Connect the test leads to the circuit under test. Measured voltage value is shown on the display.

Note:◇ The displayed value might be few digits instead of zero

even if shorting the test leads.

6-3 Resistance Measurement

DANGER

●Never make measurement on circuits that are live.

● Never make measurement with the battery compartment cover

removed.

● K eep your fin ger s and h ands behin d the b arrier dur ing

measurement.

(1) Set the Function Selector Switch to "

(2) Press the

SEL

Button and "Ω" mark is shown and " " mark

is not shown on the display (Resistance Measurement).

Immediately after setting t he Function Selector Switch to

", is not necessary to operate the

SEL

Button.

(3) Check that the display shows "

". Short the test leads and

check that the display reads about zero.

(4) Connect the test leads to the circuit under test. Measured

resistance value is shown on the display.

Note:◇

When the test leads are shorted, the display may read a small

resistance value. This is the resistance of the test leads. ◇ If there is an open in either of the test leads, " " is

shown on the display. ◇ The capacitive factor of the tested circuit may cause the

fluctuation of the measurement value, while making the

resistance measurement of high value . ◇ Make sure that the clamp sensor is in the holster while

making resistance measurement.

Adjust Button

Holster

Barrier

Clamp Sensor

LCD Display

Test Lead

Barrier

Function Selector Switch

Data Hold Button

Range Selector Button

A Zero

Continuity

Capacitor

Diode

Resistance

Clamp Sensor Cable

Test Lead Cap

････

Resistance

60A,120A

････

default setting

（

Button

）（

Button

）

Battery Voltage

AC / DC

Continuity

Data Hold

Bar Graph

Unit

Zero ADJ

Diode Test

Buzzer

Warning

Adjust a conductor to the center of the arrow.

Correct

Incorrect

Conductor

Black Red

Forward-bias Diode T est

Test Lead

AnodeCathode

Red Black

Reverse-bias Diode Test

Test Lead

AnodeCathode

Prohibition

Battery Compartment Cover

Batteries

Screw

Wind the lead around the folder.

Test Leads

Clamp Sensor

ProtectiveCap

Exposedmetalpart

UncappedconditionforCAT.IIenvironment

CappedconditionforCAT.IIIenvironments

KYORITSU 2012R User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual