Kyoritsu KEW2056R Handleiding
Kyoritsu
Multimeter
KEW2056R
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INSTRUCTION MANUAL 1. Features
● Designed to meet international safety standards.
IEC61010-1.IEC61010-031 & IEC61010-2-032
Measurement Category (CAT) IV 600V
Pollution Degree 2
●
Double molded main body provides comfortable
single handed grip
●
Data Hold Function
●
LCD Backlight function to facilitate working at dimly
lit situations.
●
REL function to indicate measurement variation
(Current, voltage, Resistance measurement)
●
MIN/MAX function enables easy reading of min &
max value during measurement.
●
PEAK Hold Function enables Peak value measure-
ment of starting current. (only at ACA Range)
● With Continuity & Diode Check Function
● Capacity measurement of capacitors
●
Temperature measurement, switchable between ℃
and ℉
●
NCV (Non Contact Voltage) Function for wiring check
●
600V input protection
●
Sleep Function to extend battery life
●
With Bar Graph, 6039 count display
2. Safety Warnings
This instrument has been designed,manufactured and
tested according to IEC 61010: Safety requirements
for Electronic Measuring apparatus, and delivered in
the best condition after passed the inspection.
This instruction manual contains warnings and safety
rules which must be observed by the user to ensure
safe operation of the instrument and retain it in safe
condition.
Therefore, read through these operating instructions
before using the instrument.
# WARNING
●
Read through and understand the instructions
co nta ine d i n t hi s manual b e f o r e us i ng 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.
●
It is essential that the above instructions are
adhered to.
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.
●
Marks listed in the table below are used on this
instrument.
#User must refer to the manual.
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.
AC
DC
AC & DC
Thi s i ns t r um e nt s a t i s f i e s t he ma r k i ng
requirement defined in the WEEE Directive.
This symbol indicates separate collection for
electrical and electronic equipment.
# DANGER
●
Never make measurement on a circuit in which
voltage over AC600V exists.
●
Do not attempt to make measurement in the
presence of flammable gasses. Otherwise, the
use of the instrument may cause sparking, which
can lead to an explosion.
●
Transformer jaw tips are designed not to short the
circuit under test. If equipment under test has
exp o se d cond uct i ve p art s , howe ve r, e xt ra
precaution should be taken to minimize the
possibility of shorting.
●
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.
●
N e v e r o p e n t h e B a t t e r y c o v e r d u r i n g a
measurement.
●
The instrument is to be used only in its intended
applications or conditions. Otherwise, safety
functions equipped with the instrument doesn't
work, and instrument damage or serious personal
injury may be caused.
●
Verify proper operation on a known source before
use or taking action as a result indication of the
instrument.
●
Keep your fingers and hands behind the protective
fingerguard 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.
●
Do not rotate the Function Switch while the test
leads are being connected.
●
Do not install substitut e parts or make any
modification to the instrument. For repair or re-
calibration, return the instrument to your local
distributor from where it was purchased.
●
Do not try to replace the batteries if the surface of
the instrument is wet.
●
Disconnect all the cords and cables from the
object under test and power off the instrument
before opening the Battery Cover for Battery
replacement.
●
Stop using the test lead if the outer jacket is
damaged and the inner metal or color jacket is
exposed.
# CAUTION
●
Set the Function Switch to an appropriate position
before starting measurement.
● Firmly insert the test leads.
●
Disconnect the test leads from the instrument for
current measurement.
●
Do not expose the instrument to the direct sun,
high temperature and humidity or dewfall.
●
Altitude 2000m or less. Appropriate operating
temperature is within 0 and 40 .℃ ℃
●
This instrument isn't dust & water proofed. Keep
away from dust and water.
●
Be sure to power off the instrument after use.
When the instrument will not be in use for a long
period, place it in storage after removing the
batteries.
●
Use a cloth dipped in water or neutral detergent
for cleaning the instrument. Do not use abrasives
or solvents.
Measurement Category
To ensure safe operation of measuring instruments,
IEC 61010 establishes safety standards for various
electrical environments, categorized as O to CAT IV,
and called measurement categories. Higher-numbered
categories correspond to electrical environments with
greater momentary energy, so a measuring instrument
designed for CAT III environments can endure greater
momentary energy than one designed for CAT II.
O : Circuits which are not directly connected to
the mains power supply.
CAT II : 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).
DIGITAL CLAMP METER
KEW SNAP SERIES
KEW2046R 600A TRMS Type
KEW2056R 1000A TRMS Type
3. Specification
3-1. Measuring range & accuracy
(accuracy guaranteed at 23℃ ℃±5 , humidity
45~85%) AC Current 600A, 1000A Function
Function Measuring
Range
Accuracy
KEW2046R KEW2056R
600A
0-600.0A
Peak 1500A
CF=2.5@600A
CF=3.0@500A
±2.0%rdg±5dgt(50/60Hz)
±3.5%rdg±5dgt(40~500Hz)
±5.5%rdg±5dgt(500~1kHz)
* Add 2% at CF>2
1000A
0-1000A
Peak 1500A
CF=2.5@600A
CF=3.0@500A
DC Current 600A, 1000A Function
Function Measuring
Range
Accuracy
KEW2046R KEW2056R
600A 0-600.0A ±1.5%rdg±5dgt ±1.5%rdg±5dgt
1000A 0-1000A
AC Voltage Function
(Auto-ranging, Input impedance: approx. 10M )Ω
Range Measuring
Range
Accuracy
KEW2046R KEW2056R
6/60/600V
0-600.0V ±1.5%rdg±4dgt (50/60Hz)
±3.5%rdg±5dgt (40~400Hz)
DC Voltage Function
(Auto-ranging, Input impedance: approx. 10M )Ω
Range Measuring
Range
Accuracy
KEW2046R KEW2056R
600mV/6/6
0/600V
0-600.0V ±1.0%rdg±3dgt
Resistance (Diode Check/ Continuity/ Capacity)
Range Measuring
Range
Accuracy
KEW2046R KEW2056R
600/6k/60k/
600k/6MΩ
0-6.000M ±1.0%rdg±5dgtΩ
60MΩ
6.00M-60.00MΩ
±5%rdg±8dgt
Cont Buzzer
0-600.0 Buzzer sounds at 100 or lessΩ Ω
Diode Test voltage: 0-2V
Capacity Function
Range Measuring
Range
Accuracy
KEW2046R KEW2056R
40nF
0.01nF
-4000 Fμ
Auto-ranging
the accuracy is not guaranteed
400nF
±2.5%rdg±10dgt4 Fμ
40 Fμ
400 F the accuracy is not guaranteedμ
4000 F the accuracy is not guaranteedμ
Frequency/DUTY Function(Auto-ranging for Frequency)
Range Measuring
Range
Accuracy
KEW2046R KEW2056R
ACA
40Hz-400Hz
±0.5%rdg±5dgt
ACV
1Hz 10kHz〜
0.1-99.9%
(Pulse width/Pulse period)
±2.5%rdg±5dgt
Note: M e a s ura b l e i np ut s a r e : 40V rm s @ A C V o r
50Arms@AC600A, 350A@AC1000A Range
Temperature Function
Range Measuring
Range
Accuracy
KEW2046R KEW2056R
℃
-50 ~℃
0℃
±5 ±5dgt℃
0 ~℃
150℃
±3 ±2dgt℃
150 ~℃
700℃
±2%rdg±2dgt
℉
-58
℉
~
32
℉ ℉±9 ±5dgt
32
℉
~
302
℉ ℉±5 ±2dgt
302
℉
~1292
℉±2%rdg±2dgt
Above specified accuracy is applied to Clamp meter
itself. Accuracy of Temperature probe is excluded.
When measuring temperature, include the accuracy of
the temperature probe used.
3-2. General Specification
● Mode of operation :
△
modeΣ
● Display : max. 6039 counts
(Frequency: 9999, Capacity &Temperature:4039)
& Bar graph
●
Over-range indication : "OL" displayed when exceeding
the measuring range.
(except for AC/DCV and 1000A Function)
● Range switching :
Auto-ranging/Voltage, Resistance, Capacity Range
Single range / Continuity, Diode check, DUTY and
Temperature
● Sample rate : three times per second
●
Functional construction
:
OFF/ ACA/ ACV/ DCA/ DCV/ / / Ω℃ ℉
●
Keys :
SELECT(AC/DC switching &/ / Ω / / ),
PEAK HOLD/ Back Light, REL
△
,Hz/DUTY, MIN/MAX
● Power source : DC3V/ R03(UM-4) x 2pcs
● Low battery warning : " " mark is displayed at
2.4V±0.15V or less.
●
Temperature & humidity
: 23 , relative humidity ℃ ℃±5
accuracy guaranteed 85% or less (no condensation)
●
Operating temperature
:
0~40 , relative humidity 85%℃
& humidity range or less (no condensation)
●
Storage temperature : -20~60 , relative humidity ℃
& humidity range
85% or less (no
condensation)
● Current consumption : approx. 25 mA
●
Sleep Function : Automatically powered off in about
15 min after the last Function switch operation.
Rotate t he Function Swi t ch f rom OFF t o any
position to exit from the Sleep state.
●
Location for use
Outdoor use, Altitude up to 2000m
●
Applicable Standards
IEC 61010-1, 61010-2-032, 61010-2-033
Measurement CAT IV 600V Pollution degree 2
IEC 61010-031
EMC EN 61326-1：
・ EN 55022
・ EN 61000-4-2 (performance criterion B)
・ EN 61000-4-3 (performance criterion B)
RoHS : EN 50581
●
Overload Protection
Current Range : 720A AC/ 10 sec@KEW2046R
1200A AC/DC/ 10 sec@KEW2056R
Voltage Range : 720V AC/DC/ 10sec
Resistance Range : 600V AC/DC/ 10sec
●
Withstand Voltage
6720V AC （ ）TRMS 50/60Hz / 5 sec
(between Jaws and electrical circuit/ between
internal circuit and enclosure)
●
Insulation Resistance
: 10M or more/ 1000V Ω
（between electrical circuit and enclosure）
●
Conductor size
KEW2046R: approx. 33mm
KEW2056R: approx. 40mm
●
Dimension
approx. 254(L)×82(W)×36(D)mm / KEW2056R
approx. 243(L)×77(W)×36(D)mm / KEW2046R
● Weight : approx 300g @ KEW2046R
310g @ KEW2056R
● Accessories
Test Leads M-7066A / 1 set
Battery R03 UM-4 / 2pcs（ ）
Instruction manual English, Japanese / 1pce
Carrying Case M-9094 / 1pcs
● Optional Accessories
K-type Temperature Probe M-8216
Accuracy ±1.5%rdg±1.5℃
Guaranteed accuracy range:
20 (68℃ ℉ ℉)~300 (572℃)
● Effective Value (RMS)
Most # alternating currents and voltages are
expressed in effective values, which are also
referred to as RMS (Root-Mean-Square) 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
re ct i f y i ng c ir c ui t ha ve " RM S " s c a l e s f o r A C
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
conversion 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) 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
3-3. Function Keys
The "●" mark shows available function at each
Range.
HOLD PEAK
SELECT
ZERO Hz/
DUTY
MAX/
MIN
ACA ●●●●●●
ACV ● ● ● ●- -
DCA ● ● ● ●- -
DCV ● ● ●- - -
Ω ● ● ● ●- -
- - - - -●
- - - - -●
● ● ●- - -
TEMP ● ● ● ●- -
4. Preparation for measurement
4-1. Checking Battery Voltage
Set the Function Switch to any position other than
"OFF". When the display is clear without "BATT" mark,
showing battery voltage is enough. When the display is
blank or "BATT" mark is indicated, replace the batteries
according to Section 7, Battery Replacement.
# CAUTION
The Sl e e p f e a t ur e a uto mat ica l ly p o we r s t he
instrument off in about 15 min after the last switch or
key operation. Therefore, the display may be blank
even with the Function Switch set to a position other
than "OFF". To operate the instrument in this case,
turn the switch back to the "OFF" position, then to
any other position. Replace the batteries if nothing
was displayed after above operations.
4-2. Checking Switch Setting & Operation
Confirm the Function Switch is set to the correct
pos itio n,t he i nstrume nt is se t t o t he correct
measurement mode,and the Data hold function is
disabled. Otherwise,desired measurement cannot be
made.
Barrier
Protective fingerguard (Barrier)：
It is a part providing protection against electrical
shock and ensuring the minimum required air and
creepage distances.
Cap：
Uncapped condition for CAT II environment
Capped condition for CAT III/ IV environments
The Cap shuld be firmly attached to the probes.
Cap Protective fingerguard
Kyoritsu reserves the rights to change
specifications or designs described in this manual
without notice and without obligations.
(1) AC/DC Current Range (600A only on KEW2046R)
Pressing the MIN/MAX Key at 600A & 1000A
Function enables min or max value measurement.
Press the MIN/MAX Key to select MAX or MIN. The
max or min value within measuring range is being
held until this function is disabled. "MIN" or "MAX" is
indicated on the display while this function is being
activated. To disable this function, press down the
MIN/MAX Key at least 2 sec or change functions.
(2) AC/DC Voltage Range
# CAUTION
Pressing the MIN/MAX Key without applying voltage
disables the Auto-ranging function and fixes the
Range to 6V. Connect the test leads to the circuit
under test and press the MIN/MAX Key after an
appropriate range is selected by Auto-ranging function.
Pressing the MIN/MAX Key enables min or max
value measurement. Press the MIN/MAX Key to
select MAX or MIN. The max or min value within
measuring range is being held until this function is
disabled. "MIN" or "MAX" is indicated on the display
while this function is being activated. To disable this
function, press down the MIN/MAX Key at least 2
sec or change functions.
6-5. ZERO Function
# CAUTION
MIN/MAX, PEAK keys are disabled while ZERO
Function is being activated.
Zero Adjustment Function at Current Range "
△
"
mark is to be indicated at the upper right on the
display while ZERO function is being operated.
Indication of relative value at current, voltage,
resistance:
Pressing the ZERO Key indicates REL (relative
value) Press the ZERO Key to save the initial value
at the start of measurement as a reference value.
Then the difference between the later measured
values and the reference value is indicated on the
display. The Auto-ranging function is disabled, while
this function is being activated, and the Range is
f i x e d t o t he R a nge s e l e c t e d a t t he s t a r t o f
measurement. Relative value is indicated within
following ranges.
(Measuring range) =
(Full-scale value at the fixed Range) - (Initial value)
To disable this function, press down the MIN/MAX
Key at least 2 sec or change functions.
6-6. PEAK Function (600A only on KEW2046R)
(1) Set the Function Switch to "AC Current" position
and clamp onto a conductor under test.
(2) Pressing the PEAK Key indicates " P MAX " on the
display and initiates measurement.
(3) Readings indicates the PEAK of current crest
value. When measuring sine wave, reading is about
√
2 times of RMS value.
5. Measurement
5-1. AC Current Measurement
# DANGER
●
Never make measurement on a circuit in which
voltage over AC600V exists to avoid getting
electrical shock.
●
Transformer jaw tips are designed not to short the
circuit under test. If equipment under test has
exposed conductive parts, however, extra pre-
caution should be taken to minimize the possibility
of shorting.
●
Do not make measurement with the Battery Cover
removed.
●
Disconnect the test leads from the instrument for
current measurement.
●
Keep your fingers and hands behind the barrier
during measurement.
(1) Set the Function Switch to "600A" or "1000A"
position.
(on KEW2046R, only "600A" is available) AC has
been selected by default; press the SELECT key,
when DC has been selected, to change it to AC.
AC mark is displayed at the upper left on the display.
(2) Press the trigger to open the transformer jaws and
clamp them onto the one conductor under test,
then take the reading on the display. Pressing the
"Hz/DUTY" Key switches the indication in following
sequence.
AC Current Hz DUTY ⇨ ⇨
Hz/DUTY Function requires 50A or more at AC600A
Range and 350A or more at AC1000A range.
# CAUTION
●
Max conductor size for KEW2046R is approx dia.
33mm and for KEW2056R is approx dia. 40mm.
D u r i n g c u r r e n t m e a s u r e m e n t , k e e p t h e
transformer jaws fully closed. Other wise, accurate
measurements cannot be taken.
●
Keep your fingers and hands behind the barrier
during measurement.
5-2. DC Current Measurement
# DANGER
●
Never make measurement on a circuit in which
voltage over DC600V exists to avoid getting
electrical shock.
●
Do not make measurement with the Battery Cover
removed.
●
Keep your fingers and hands behind the barrier
during measurement.
(1) Set the Function Switch to "600A 1000A" or " "
position. AC has been selected by default; press
the SELECT key, when AC has been selected, to
change i t t o DC. (onl y 600A is a vail a b le on
KEW2046R) DC mark is displayed at the upper left
on the display.
(2) W ith the transformer jaws closed and without
clamping them onto the conductor, press the
"ZERO" key to zero adjust the display. (
△
mark is
displayed at the upper right on the display.)
(3)
Press the trigger to open the transformer jaws and
clamp them onto the one conductor under test, the
conductor should be at the center of the jaws, then
take the reading on the display.
(4)
Se t t he F unct i o n S w it ch t o an a p p rop r i a t e
position according to current under test.
(5)
Pressing the " " key again releases "ZERO ZERO"
function. (
△
mark at the upper right on the display
disappears.)
# CAUTION
●
When the current flows from the upside (the
display side) to the underside of the instrument,
the polarity of the reading is positive and vice
versa.
5-3. AC Voltage Measurement
# DANGER
●
Never make measurement on a circuit in which
voltage over AC600V exists to avoid getting
electrical shock.
●
Do not make measurement with the Battery Cover
removed.
●
Keep your fingers behind the protective fingerguard
on the instrument during measurement.
(1) Set the Function Switch to " " position.ACV
(2)
Connect the red test lead to V/ Ω terminal and the
black test lead to COM terminal.
(3)
Connect the test leads to the circuit under test. Take
the reading on the display. Pressing the "Hz/DUTY"
key while reading is indicated on the display
switches the indication in following sequence.
AC Voltage Hz DUTY ⇨ ⇨
# CAUTION
●
Hz/DUTY Function requires AC40V or higher.
●
To measure a frequency, measure the voltage on
the electrical circuit in advance. Then press the
Hz/DUTY key to enter into frequency measurement.
●
Re a d ings o f freque ncy may fluctuate or be
influenced under noisy environment.
●
Keep your fingers and hands behind the barrier
during measurement.
5-4. DC Voltage Measurement
# DANGER
●
Never make measurement on a circuit in which
voltage over DC600V exists to avoid getting
electrical shock.
●
Do not make measurement with the Battery Cover
removed.
●
Keep your fingers behind the protective fingerguard
on the instrument during measurement.
(1) Set the Function Switch to " " position.DCV
(2)
Connect the red test lead to V/ Ω terminal and the
black test lead to COM terminal.
(3)
Connect the red and black test leads to the
positive (+) and negative (-) sides of the circuit
under test respectively. Take the reading on the
display. If the connection is reversed, the display
indicates the "-" mark.
5-5.
Resistance/ Diode/ Cont/ Capacity Measurement
# DANGER
●
Never use the instrument on an energized circuit.
●
Do not make measurement with the Battery Cover
removed.
●
Keep your fingers and hands behind the protective
fingerguard during measurement.
Resistance
(1)
Set the Function Switch to "Ω/Diode/Cont/Capacity"
position.
(2) Connect the red test lead to V/ terminal and the Ω
black test lead to COM terminal. Confirm "OL" is
indicated on the display, and then short-circuit the
tips of test leads to make the indication zero.
(3) Connect the test leads to the both ends of the
resistor under test.
(4) Take the reading on the display.
# CAUTION
●
Even if short the test lead tips, indicated value
may not be zero. But this is because of the
resistance of test leads and not a failure.
●
When test leads are open, "OL" is indicated on the
display.
●
Keep your fingers and hands behind the barrier
during measurement.
Continuity
(1)
Set the Function Switch to "Ω/Diode/Cont/Capacity"
position. " " has been selected by default; press the Ω
SELECT key to change it to " " Continuity
Resistance
⇨
Diode
⇨
Cont
⇨
Capacity
(2) Connect the red test lead to V/ Ω terminal and the
black test lead to COM terminal. Confirm "OL" is
indicated on the display and short circuit the tips of
test leads. Indication should become zero and
buzzer sounds.
(3) Connect the test leads to the both ends of the
conductor under test. The buzzer sounds, if the
resistance under test is 100 or less.Ω
Diode
(1)
Set the Function Switch to "Ω/Diode/Cont/Capacity"
position. "
Ω
" has been selected by default; press the
SELECT key to change it to " "Diode
Resistance
⇨
Diode
⇨
Cont
⇨
Capacity
(2) Connect the red test lead to V/ terminal and the Ω
black test lead to COM terminal.
(3) Connect the red and black test leads to the Anode
and Cathode of the diode under test respectively.
Take the reading on the display. If the connection
is reversed, the display indicates " ".OL
# CAUTION
●
Some of diodes cannot be tested. Indication on
the display will be "OL".
(Zener diode, LED and so on)
●
Keep your fingers and hands behind the barrier
during measurement.
Capacity
(1)
Set the Function Switch to "Ω/Diode/Cont/Capacity"
position. "
Ω
" has been selected by default; press the
SELECT key to change it to " "Capacity
Resistance
⇨
Diode
⇨
Cont
⇨
Capacity
(2)
Connect the red test lead to V/ Ω terminal and the
black test lead to COM terminal.
(3)
Connect the test leads to the both ends of the
capacitor under test.
(4) Take the reading on the display.
5-6 Temperature Measurement
(1) Set the Function Switch to " / " position.℃ ℉
(2)
Connect the K-type Temperature Probe (Optional
Accessories) to the input terminal. Positive (+) side
of Probe should be connected to V/ .Ω
(3)
C o nt a c t t he Se ns o r ( me t a l p a r t ) o f K- t y p e
Temperature Probe to the object under test. Take
the reading on the display. Positive (+) side of
Probe should be connected to V/ .Ω
# WARNING
●
Never connect the Temperature Probe to an
energized circuit.
# CAUTION
●
Room temperature is indicated on the LCD when
setting the Function Switch to " " position. In ℃ ℉/
case that "OL" or anything other than room
temperature is indicated, something may wrong
with the instrument. Stop the use of instrument
immediately.
●
There may be a break in Probe when indication
isn't changed if Sensor (metal part) of K-type
Temperature Probe is contacted with the object
under test.
●
The measuring range of M-8216 temperature
probe. / meter is from -50 ℃ ℃(-58 ° F) to 300
(572° F); however, accuracy guaranteed range is
20 (68° F) to 300 (572° F).℃ ℃
6. Other functions
6-1. Sleep Function
(1)
This is a function to prevent the inst rument
from being left powered on in order to conserve
battery life. This function causes the instrument
to enter Sleep mode about 15 minutes after the
last key operation. To exit the Sleep mode, turn
the Function switch to "OFF", then to any other
position.
(2) Sleep Function is disabled when;
M I N / M A X o r P E A K F u n c t i o n i s s e l e c t e d .
Continuous measurement is made with the Sleep
Function being d isab led. To activate Sle e p
Function again, disable the MIN/MAX or PEAK
Function.
# CAUTION
●
The instrument consumes small amount of battery
power in the Sleep mode. Set the Function Switch
to the OFF position after use.
6-2. HOLD Key
(1) Data Hold Function
This is a function to freeze the measured value on
the display. Press the "HOLD" key to freeze the
reading.
The reading will be held regardless of subsequent
variation in input. "H" is indicated on the upper left
corner of the display while the instrument is in the
Data Hold mode. To exit Data Hold mode, press
the "HOLD" key again.
# CAUTION
●
Held readings are released when Sleep Function
is activated while the instrument is in the Data Hold
mode.
(2) Backlight ON/OFF
Pressing the HOLD key 2 sec or more lights up the
Backlight. Pressing the HOLD key 2 sec or more
again turns off the Backlight.
6-3. NCV Function
Red LED on the upper area on the Panel lights up at
All functions except for OFF when electric field
exceeding 100V is detected by the sensor installed
in the Jaws.
It indicates a presence of voltage in an electrical
circuit or equipment without touching them.
NCV Sensor can detect electrical
f i e l d o nl y f ro m t he d i r e c t i o n
indicated in the right figure.
Put the fixed element (left side)
closer to the conductor under test.
Detection against in-wall outlet is
impossible.
# DANGER
●
The LED may not light up due to installation
condition of electrical circuit or equipment. Never
touch the circuit under test to avoid possible danger
even if the LED for NCV doesn't light up.
●
Check the functionality of LED on a well-known
power supply prior to measurement. When the
LED doesn't light up, do not make measurement.
●
NCV indication is affected by external voltage,
how to hold or place the instrument.
●
Keep your fingers and hands behind the barrier
during measurement.
6-4. MIN/MAX Function
# CAUTION
●
Held readings are released when Sleep Function
is activated while the instrument is in the Data
Hold mode.
●
SELECT, ZERO, Hz/DUTY keys are disabled
while MIN/MAX Function is being activated.
(4) Press the PEAK Key at least 2 sec to reset the
indication or release PEAK Function.
Buz z e r s o und s t w i c e , a nd t he F unc t i o n i s
released.
# CAUTION
●
PEAK indication for Crest value is up to 1500A.
Error indication is given when exceeding this
range value.
●
Sleep Function is disabled when PEAK Function is
selected. Care should be taken when performing
continuous measurement.
6-7. Over-flow indication
When the input exceeds the measuring range at
each Funct ion othe r than Volt age ,1000A and
Temperature Range "OL" or "-OL" is indicated on the
display.
7. Battery Replacement
# WARNING
●
To avoid electrical hazard, set the Function Switch
to "OFF" and remove the test leads from the
instrument before trying to replace batteries.
# CAUTION
●
Do not mix old and new batteries.
●
Install batteries in correct polarity as indicated in
the Battery Compartment.
Replace the batteries when a Low Battery Voltage
warning "BATT" mark is indicated on the display.
Note that when the battery is completely exhausted,
the display blanks without "BATT" mark shown.
(1) Set the Function Switch to "OFF" position.
(2) Unscrew and remove the Battery Compartment
Cover on the bottom of the instrument.
(3) Replace the batteries observing correct polarity.
Use new R03 (AAA) or LR03 / 1.5V batteries.
(4) Install the Battery Compartment and tighten the
screws.
8. Maintenance
●
Cleaning
Use a cloth dipped in water or neutral detergent for
cleaning the instrument.
Do not use abrasives or solvents. Otherwise,
instrument get damaged, deformed or discolored.
DISTRIBUTOR
12-19 92-1803E
Product specificaties
| Merk: | Kyoritsu |
| Categorie: | Multimeter |
| Model: | KEW2056R |
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