Kyoritsu KEW1021R Manual de Usario
Kyoritsu
multimetro
KEW1021R
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INSTRUCTION MANUAL
DIGITAL MULTIMETER
KEW1021R
1. Safety Warnings
This instrument has been designed, manufactured and tested
according to IEC 61010: Safety requirements for electrical equipment,
and delivered in the best condition after passing quality control tests.
This instruction manual contains warnings and safety rules which have
to be observed by the user to ensure safe operation of the instrument
and to maintain it in safe condition. Therefore, read through these
operating instructions before using the instrument.
WARNING
● Read through and understand the instructions contained in this
manual before using the instrument.
● Keep the manual at hand to enable quick reference whenever
necessary.
● The instrument is to be used only in its intended applications.
● Understand and follow all the safety instructions contained in the
manual.
Failure to follow the instructions may cause injury, instrument
damage and/or damage to equipment under test. Kyoritsu is by no
means liable for any damage resulting from the instrument in
contradiction to this cautionary note.
The symbol indicated on the instrument means that the user
must refer to the related parts in the manual for safe operation of the
instrument. It is essential to read the instructions wherever the
symbol appears in the 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 injury or instrument damage.
● Symbols listed below are used on this instrument.
User must refer to the manual.
Instrument with double or reinforced insulation.
Ground (Earth) AC DC
This instrument complies to WEEE Directive (2002/96/EC).
Please contact your local distributor at disposal.
Measurement Category
O Circuits which are not directly connected to the mains power supply.
CAT II Primary electrical circuits of equipment connected to an AC
electrical outlet by a power cord.
CAT III Primary electrical circuits of the equipment connected directly
to the distribution panel, and feeders from the distribution
panel to outlets.
CAT IV The circuit from the service drop to the service entrance, and
to the power meter and primary over current protection
device(distribution panel).
DANGER
● Never make measurements under the circumstances exceeding the
designed measurement category and the rated voltage of the
instrument.
● Do not attempt to make measurement in the presence of ammable
gasses. Otherwise, the use of the instrument may cause sparking,
which can lead to an explosion.
● Never attempt to use the instrument if its surface or your hand is wet.
● Do not exceed the maximum allowable input of any measuring
range.
● Never open the Battery compartment cover during a measurement.
● To avoid electrical shock by touching the equipment under test or its
surroundings, be sure to wear insulated protective gear.
● Test leads to be used for voltage measurements shall be rated as
appropriate for Measurement Category III or IV according to IEC
61010-031 and shall have a voltage rating of 600V or higher.
● Protective ngerguard on the test leads provide protection to keep
your ngers and hands from touching an object under test. Keep
your ngers and hands behind the protective ngerguard during
measurement.
WARNING
● Never attempt to make measurement if any abnormal conditions,
such as broken case and exposed metal parts are found on the
instrument or test leads.
● Verify proper operation on a known source before use or take action
as a result of the indication of the instrument.
● Firmly attach the caps to the test leads when performing
measurements in CAT III or higher test environments. When
KEW1021R and the test leads are combined and used together,
whichever is lower category & voltage to earth either of them belong
to is applied.
● Do not rotate the Function Switch if the instrument and the
equipment under test are connected.
● Do not install substitute parts or make any modication to the
instrument. For repair or re-calibration, return the instrument to your
local KYORITSU distributor.
●Stop using the test lead if the outer jacket is damaged and the inner
metal or color jacket is exposed.
CAUTION
● Use of this instrument is limited to domestic, commercial and light
industry applications. Strong electromagnetic interference or strong
magnetic elds, generated by large currents, may cause malfunction
of the instrument.
● Firmly insert the test leads.
● Do not pull or twist the test leads to prevent the risk of damage.
● Power o the instrument after use. Remove the battery if the
instrument is to be stored and will not be in use for a long period.
● Do not expose the instrument to direct sunlight, high temperature
and humidity or dewfall.
● Use a cloth dipped in water or neutral detergent for cleaning the
instrument. Do not use abrasives or solvents.
NOTE
● The LCD shows some digits at the Voltage the C rent nge even or ur ra
while the test leads are open. And, it may show some digits instead
of 0 even if the test leads are shorted. However, these phenomena
don’t affect measurement results.
● A resistance measurement takes time to settle the reading if there is
a high resistance or capacitance components.
2. Specication
● Accuracy (Temperature: 23 ± 5°C, Humidity: 45 - ) 75%
ACV RMS /
(Auto Range)
Range
Display Range
Accuracy (sine wave)
6V
0.000, 0.006 - 6.299V
±1.0 %rdg±3dgt
( -500Hz) 40
60V
5.70 - 62.99V
600V
57.0 - 629.9V
Guaranteed accuracy : 0.01V-600V, less than 900V peak
Input impedance : approx. 10MΩ
Hz Frequency - ACV measurement
(Auto Range)
Range
Display Range
Accuracy
(sine wave)
99.99Hz
1 00 - 99.99 0. Hz
± 1%rdg±3dgt 0.
999.9Hz
95.0 - 999.9Hz
9.999kHz
0.950 - 9.9 kHz 99
99.99kHz
95.0 - 99.99kHz
Guaranteed accuracy : 10 - kHz Hz 99
% DUTY - ACV measurement
Range
Display Range
Accuracy
(Square wave)
99.9 %
0.0 99.9 % –
±1.0%rdg±3dgt
(50/60Hz)
Guaranteed accuracy : 10%-90%
DCV (Auto Range)
Range
Display Range
Accuracy
6.000V
0.000 - ±6.299V
±0.5 %rdg±3dgt
60.00V
±5. - ± . V 70 62 99
600.0V
± - ± 9.9V 57.0 62
Guaranteed accuracy : 0V-±600V
Input impedance : approx. 11M (6V range) / (60/600V range) Ω10MΩ
ACmV / RMS
Range
Display Range
Accuracy (sine wave)
600.0mV
0.0, 0. 9 - 629.9mV
±2.0 %rdg±3dgt
(40-500Hz)
Guaranteed accuracy 1: .2mV-600mV, less than 900mV peak
Input impedance : approx. 900kΩ
AC Clamp Sensor / RMS (Auto Range)
Range
Display Range
Accuracy (sine wave)
60.00A
0.00, 0.09 - 62.99A
±2.0 %rdg±3dgt
+ Sensor accuracy (40-500Hz)
200.0A
57.0 - 209. 9A
Direct reading from 10mV / A output Clamp sensor
Guaranteed accuracy 0.12A-200A, less than 300A peak :
Input impedance : approx. 900kΩ
DCmV
Range
Display Range
Accuracy
600.0mV
0.0 - ±629.9mV
±1.5 %rdg±3dgt
Guaranteed accuracy : 0mV-±600mV, Input impedance : approx. 900k Ω
DC Clamp Sensor (Auto Range)
Range
Display Range
Accuracy
60.00A
0.00 - ±62.99A
±1.5 %rdg±3dgt
200.0A
±57.0 - ±209.9A
+ Sensor accuracy
Direct reading from 10mV / A output Clamp sensor
Guaranteed accuracy : 0A-±2 A, Input impedance : approx. 900k 00 Ω
Resistance (Auto Range)
Range
Display Range
Accuracy
600.0 Ω
0.0 - 629.9 Ω
±0.5 %rdg±4dgt
6.000k Ω
0.570 - 6.299k Ω
±0.5 %rdg±2dgt
60.00k Ω
5.70 - 62.99k Ω
600.0k Ω
57.0 - 629.9k Ω
6.000M Ω
0.570 - 6.299M Ω
40.00M Ω
5.70 - 41.99M Ω
±1.5 %rdg±3dgt
Guaranteed accuracy : 0 - M Open-loop Voltage : less than Ω40 Ω, 3V
Measurement current : less than 1mA
Continuity
Range
Display Range
Accuracy
600.0 Ω
0.0 - 629.9 Ω
Buzzer threshold value :
less than 90Ω
Open-loop Voltage : less than 3V, Measurement current : less than 1mA
Diode
Range
Display Range
Accuracy
2.000V
0.000 - 2.09 9V
±5 %rdg±5dgt
Guaranteed accuracy : 0V-2V, Open-loop Voltage : less than 3V
Measurement current : approx.0.5mA (Vf=0.6V)
Capacitance (Auto Range)
Range
Display Range
Accuracy
60.00nF
0.00 - 62.99 nF
±2.0 %rdg±5dgt*
600.0nF
57.0 - 629.9nF
6.000µF
0.570 - 6.299µF
±5.0 %rdg±5dgt
60.00µF
5.70 - 62.99µF
600.0µF
57.0 - 629.9µF
1000µF
570 - 1049µF
* Accuracy after canceling oating capacitance using REL function.
Guaranteed accuracy : 0 -1000µFnF
ACA / RMS (Auto Range)
Range
Display Range
Accuracy (sine wave)
6.000A
0.000, 0.006 - 6.299A
±1.5 %rdg±3dgt
(40-500Hz)
10.00A
5. - 10.49A 70
Guaranteed accuracy : 0.01 - 10A, less than 15Apeak A
Hz Frequency - ACA measurement (Auto Range)
Range
Display Range
Accuracy
99.99Hz
10.00 - 99.99Hz
±0.1 %rdg±3dgt
999.9Hz
95.0 - 999.9Hz
9.999kHz
0.950 - 9.999kHz
Guaranteed accuracy : 10Hz-9.9kHz
% DUTY - ACA measurement
Range
Display Range
Accuracy
99.9 %
0.0 99.9 % –
±1.0%rdg±3dgt (50/60Hz)
Guaranteed accuracy : 10%-90% (Square wave)
DCA (Auto Range)
Range
Display Range
Accuracy (sine wave)
6.000A
0.000 - ±6.299A
±1.5 %rdg±3dgt
10.00A
±5.70 - ±10.49A
Guaranteed accuracy : 0A-±10A
●Measuring method : ⊿Σ modulation
●Over-range indication : OL
●Measurement cycle : 2.5 times per second
(1000µF range of Capacitance function 0. times per second) 05
●Crest factor : less than 3 (45-65Hz)
For non-sinusoidal waveforms, add ±0.5 %rdg±5dgt
(Applicable functions : ACV, ACmV, AC clamp sensor, ACA)
●Applicable standards :
IEC 61010-1 /61010-2-033 : CAT IV 300V CAT III 600V /
Pollution degree 2, Indoor use, Altitude up to 2000m
IEC61010-31 (Test leads Model 7066A)
IEC 61326 (EMC) , EN 50581 (RoHS)
●Withstand voltage : AC5160Vrms 5sec between circuit and enclosure
●IP rating IP40 (IEC60529) :
●Insulation resistance : 100MΩ or more /1000V between enclosure
and electrical circuit
●Operating temperature and humidity range :
0 to °C, 80%RH or less (no condensation) 40
●Storage Temperature and humidity range :
-20 to 60°C, 80%RH or less (no condensation)
●Power source : DC3V R03/LR03 (AAA) × 2
●Current consumption : 3mA or less
●Battery life : Approx. 200 hours (ACV, continuous, no load, with R03)
●Dimension, Weight : 155(L)× (W)× (D)mm 75 40 ,
approx. 250g (including batteries and Wing-type holder)
●Accessories : Test leads (M-7066A), soft case(M-9097)
Instruction manual 10A/600V Fuse (M-8919 included) , ,
Function Switch
Cap
Protect ngerguard
REL / MAX MIN Key ･
SELECT Key
Voltage Terminal
COM Terminal
HOLD / Back light Key
LCD
Current Terminal
Protective gerguard:
It is a part providing protection against electrical shock and ensuring the
minimum required air and creepage distances.
Cap:
Test leads can be used under the CAT II and CAT III and CAT IV
environments by attaching a protective cap as illustrated below. Use of
our protective cap offers dierent lengths suitable for the test
environments.
When the instrument and the test lead are combined and used
together, whichever lower category either of them belongs to will be
applied.
This instrument is designed for CAT IV 300V/ CAT III 600V. Test leads
M-7066A with the supplied caps are designed for CAT IV600V/ CAT
III 1000V and without the caps are for CAT II 1000V.
Battery R03 (AAA) 2pcs Flat-type holder, Wing-type holder
●Option Magnet hanger strap (M-9189) :
Test leads with alligator clips -(M 7234)
AC Clamp Sensor (KEW8161), AC/DC Clamp Sensor (KEW8115)
3. Other Functions
● REL Function
Press the REL key to enable this function and store the measured
value to display the dierences between the stored value and the
values measured in further tests. The measurement range will be
xed when the REL function is enabled, and the measuring range will
be between the initial value and the full scale value.
Press the REL Key again to release the stored value.
*To activate REL function, MAX/MIN function should be disabled.
● Max / Min value display function
This function is to display the measured max and min values on the
LCD during a measurement. Press the MAX/MIN key 1 sec or longer
to start recoding of max and min values. Then the LCD shows the
latest max value. After that, the min and present values can be
toggled and checked by pressing the MAX/MIN key (less than 1
sec).
To disable this function, press the MAX/MIN key 1 sec or longer.
* To activate MAX/MIN function, REL function should be disabled.
● Data hold function
Press the HOLD key (less than 1 sec). The LCD shows “H” mark and
the reading will be held (Data hold mode). The max/ min values are
not updated in M mode. Press the HOLD key AX/MIN
again (less than 1 sec) to release the display.
● Backlight function
Press the Backlight key 1 sec or longer to turn
on the backlight. Press the Backlight key another 1 sec or longer to
turn it o. The light automatically turns o in 1 min.
● Low battery indication
The LCD shows mark when the batteries fall below the “ ”
normal operating voltage.
● Sleep Function
Automatically powers o the instrument in about 15 min after the last
switch operation.
To exit from the Sleep mode, rotate the Function switch or press any
key. To disable the Sleep function, press the HOLD/Backlight key
and power on the instrument.
Conrm that the LCD shows “P.OFF” about 1 sec.
●How to store test leads
Attach the Wing-type holder to the back of the instrument to store the
test leads.
1. Attach the Wing-type holder to the back of the instrument.
2. Fit the barrier on the test lead into the groove between the
instrument and the Wing-type holder.
3. Then it will be easier to see the displayed readings during a
measurement.
● Other convenient functions
4. ACV / / ACmV / DCmV Measurement DCV
DANGER
● Before starting a measurement, always check and conrm
the Function switch is in the appropriate measurement
position and the test leads are connected to the proper input
terminals.
● Never make measurement on a circuit in which voltage over
600V exists.
● Keep your ngers and hands behind the protective
ngerguard during measurement.
4.1 ACV / DCV/ ACmV / DCmV measurement
(1) Set the Function switch to ACV, DCV, ACmV DCmV position. or
For frequency or DUTY measurement, set the switch to ACV
and press the SELECT key.
(2) Connect the test leads to the Voltage and COM terminals.
4.2 Clamp sensor (option) measurement
(1) Set the Function switch to ACmV or DCmV position and press the
SELECT ke LCD shows SENSOR . y. “ ”
(2) Connect the clamp sensor to the Voltage and COM terminals.
NOTE
● If the connection is reversed, the mark will be displayed on the “－“
LCD. (DCV measurement).
● Press the REL key to adjust the reading on the DC clamp sensor to
“ ”0 .
● The sensor mode corresponds to direct reading with 10mV/A
output clamp sensor.
5 Resistance / Diode Continuity Capacitance . / /
Measurement
WARNING
Never use the instrument on an energized circuit. Discharge the
capacitor before starting a capacitance measurement.
(1) Set the Function switch to the resistance position. For continuity
check or diode/ capacitance measurement, press the SELECT key.
(2) Connect the test leads to the Voltage and COM terminals.
NOTE
● ” ” LCD shows OL when the test leads are open.
(except for capacitance measurement)
● “ ” The LCD shows OL if the test lead connection is reversed for diode
measurement.
● μF range is a bit long Measurement time on 600μF/1000 .
(20sec max.)
6. ACA / DCA Measurement
WARNING
● The value for the maximum input curre on ACA and DCA nt
ranges is 10A (protected by fuse). Do not apply current that
exceeds 10A.
● If measuring a current of 6A or higher, the duration of
measurement should be within 2 min. After that, a rest
period of 10 min is required.
(1) Set the Function switch to ACA or DCA position. For frequency/
DUTY measurement, press the SELECT key while the Function
switch is in ACA position.
(2) Connect the test leads to the Current and COM terminals.
NOTE
● If the connection is reversed, the mark will be displayed on the “－“
LCD. (DCA measurement).
● If the fuse is blown, please refer to and replace 7. Fuse Replacement
it with a new one.
7 Battery / Fuse Replacement .
WARNING
● Replace the battery when the " " mark- low b tery voltage at
warning- appears on the LCD .
Otherwise, precise measurement cannot be made. If the battery
is completely exhausted, the LCD goes blank without showing
the " " mark.
● Disconnect the test leads from the object under test and power
o the instrument before opening the Battery compartment
cover for battery or fuse replacement.
● The fuse gets hot after current measurement and may cause
burn injury. If replacing the batteries or fuse after current
measurement, a rest period of 10 min ore you do. bef
● Use the designated fuse only.
● Do not try to replace the battery or fuse if the surface of the
instrument is wet.
CAUTION
● Do not mix old and new batteries.
● Install a batteries in correct polarity as indicated in the
Battery Compartment.
(1) Set the Function Switch to "OFF" position.
(2) Untighten the screw on the back of the instrument.
(3) Remove the Battery compartment cover and replace the
batteries or fuse.
(4) Attach the cover to the instrument and then secure the cover
by tightening the screw.
9-18 - C 92 2238
Magnet hanger strap
(option)
Press the SELECT key to toggle functions
Resistance
or Capacitance
Diode
Screw
Press the SELECT key to toggle functions
Black
Red
Battery
Fuse
(10A/600V, size : 6.3 × 32mm, Fast Acting type)
AC clamp sensor
DC clamp sensor
Black
Red
Press the SELECT key to toggle functions
Black
Red
Continuity
♪
Default : ACV
Frequency
DUTY
Default:Resistance
Continuity
Diode
Capacitance
Default : ACA
Frequency
DUTY
Kyoritsu reserves the rights to change specications or designs
described in this manual without notice and without obligations.
Black
Red
“Δ” “ ” rs and appea AUTO disappears
when REL Key is pressed.
One press: REL ON
Another press: REL OFF
Max value
Min value
Present value
Less than 1 sec
Less than 1 sec
Less than 1 sec
1.
2.
Wing-type
holder
3.
Replace the batteries with
new ones when this mark
appears.
Flat-type
holder
Tilt stand
ACV / ACmV
DCV / DCmV
Default :ACmV
Sensor mode
(ACA)
Default :DCmV
Sensor mode
(DCA)
Press the SELECT key to toggle functions
Especificaciones del producto
| Marca: | Kyoritsu |
| Categoría: | multimetro |
| Modelo: | KEW1021R |
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