Kyoritsu KEW 8148 Manual

Kyoritsu Måleudstyr KEW 8148

Læs gratis den danske manual til Kyoritsu KEW 8148 (1 sider) i kategorien Måleudstyr. Denne vejledning er vurderet som hjælpsom af 35 personer og har en gennemsnitlig bedømmelse på 4.5 stjerner ud af 18 anmeldelser. Har du et spørgsmål om Kyoritsu KEW 8148, eller vil du spørge andre brugere om produktet?

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Side 1/1
INSTRUCTIONMANUAL
KEW 8146/8147/8148
LEAKAGE CLAMP SENSOR
Series
KYORITSU ELECTRICAL INSTRUMENTS WORKS, LTD.,
TOKYO, JAPAN
KEW
8146
KEW
8147
KEW
8148
1. 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 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 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.
Theoperatinginstructionsdescribedinthemanualmust
beobserved.
●
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aboveinstructionsmaycauseinjury
andorinstrumentdamage.
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 forconditions and actions
thatcancauseseriousorfatalInjury.
#
CAUTION
isreservedforconditionsandactionsthat
cancauseminorinjuryorinstrumentdamage.
#
DANGER
●
Never make measurement on a circuit in which the
electricalpotentialexceedsAC
300
V.
●
Donotmakemeasurementwhenthunderrumbling.Ifthe
instrumentis in use, stop themeasurement immediately
andremovetheinstrumentfromthemeasuredobject.
●
Donotattempttomakemeasurementinthepresenceof
flammablegasses. Otherwise, the use ofthe instrument
maycausesparking,whichcanleadtoanexplosion.
●
The transformer jaws are made of metal and their tips
are not completely insulated. Be especially careful
aboutthepossibleshortingwherethemeasured object
hasexposedmetalparts.
●
Never attempt to use the instrument if it's surface or
yourhandarewet.
●
Do not exceed the maximum allowable input of any
measuringrange.
# WARNING
●
Never attempt to make any measurement, if any
abnormal conditions are noted, such as broken case,
andexposedmetalparts.
●
Donotinstallsubstitutepartsormakeanymodification
totheinstrument.
Return the instrument to the distributor from who you
purchased this instrument for repair or re-calibration in
caseofsuspectedfaultyoperation.
●
Always keep your fingers and hands behind the barrier
ontheinstrumenttoavoidthepossibleshockhazard.
# CAUTION
●
Donotsteponorpinchthecordtopreventthejacketof
cordfrombeingdamaged.
●

The output connector shall be removed or connected
without clamping a conductor. Otherwise, it may cause
afailure.
●
Do not expose the instrument to direct sunlight, high
temperatures,humidityordew.
●
Nevergiveshocks,suchasvibrationordrop,whichmay
damagetheinstrument.
●
Use a damp cloth and detergent for cleaning the
instrument.Donotuseabrasivesorsolvents.
Safetysymbols
Incoming wire
Ｏ:
Device which is
not directly
connected to the
mains power supply
Socket
Interior wiring
○
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).
　2. Features
●
ClampsensorforACleakagecurrentmeasurement.
●
Canmeasureupto:
   
KEW
8146
：
30
A
   
KEW
8147
：
70
A
   
KEW
8148
：
100
A
●
DesignedtointernationalsafetystandardIEC
61010
-
2
-
032
   
CAT
Ⅲ
PollutionDegree
2
　3. Instrument layout
TransformJaws
Trigger
Cable
Outputconnector
Barrier
Barrier
：
It is a part providing protectionagainst electrical
shock and ensuring the minimum required air and
creepagedistances.
　4. DIN Plug pin assignment
3
:GNDpin
5
:Outputsignalpin
6
:SensorSignalpin
（
Resistancebetween
3
Pinand
6
Pin:

8146
:
47
k
Ω 
8147
:
8
.
2
k
Ω 
8148
:
30
k
Ω）
1
,
2
and
4
:Nouse
*Lower figure shows the pin assignment seeing the Clamp
sensorfrom output connector part. Thefigure ofthe pin
assignment of connection terminal is symmetrical to lower
figure.
5
3
1
2
4
6
　5. Operating instructions
#
DANGER
●
Never make measurement on a circuit in which the
electricalpotentialexceedsAC
300
Vinordertoavoid
possibleshockhazard.
●
Thetransformerjawsaremadeofmetalandtheirtips
are not completely insulated. Be especially careful
aboutthepossibleshortingwherethemeasuredobject
hasexposedmetalparts.
●
Keepyourfingersandhandsbehindthebarrierduringa
measurement.
#
CAUTION
●

Take sufficient care to avoid shock, vibration or
excessive force when handling the instrument.
Otherwise, precisely adjusted transformer jaws willbe
damaged.
●
Whentransformerjawsdonotfullyclose,nevertryto
closethembyforce,butmakethemfreetomoveand
try again. If a foreign substance is stuck in the jaw
tips,removeit.
●
When making current measurements, keep the
transformerjawsfullyclosed.
Otherwise,accuratemeasurementscannotbetaken.
●
Hold the inserting part (except for the cable) and
disconnect the Output connector from the measuring
instrumentsoasnottocauseabreakinthecord.
●
When measuring current which pulse element is
superposed,differencesoftheindicatedvaluemaybe
causedbetweenranges,ifthepeakvalueexceedsthe
measurementrangetoalargeextent.Inthis
case,the
reading at the bigger range should be taken
as a right
value.SensitivetransformerjawsareusedforLeakage
clamp meter. Because of the characteristics of
transformerjaws,whichcanbeopenedandclosed,it
isimpossible to eliminate the interference ofexternal
magnetic field completely. If there is a presence of
strongmagneticfield,usetheinstrumentatadistance
as far as possible from it. Following are the typical
thingsgeneratingmagneticfield.
     ・
Conductorfedlargecurrent
     ・
Motor
     ・
Equipmentwhichhasmagnet
     ・
Integratingwattmeter
5
-
1
Measuringmethod
(
1
)
ConnecttheOutputconnectortotheInputterminalof
themeasuringinstrument.
(
2
)Press the Trigger to open the transformer jaws and
clampontooneconductor.
Inthiscase,themeasuredconductorshallbeatthe
centerofthejaws.
(
3
)
Ensurethatthetipsoftransformerjawsarefirmlyclosed.
5
-
2
Measuringmethod
(
1
)Measuring out of balance leakage current (See
Fig.
1
):Clamponto all conductors excepta grounded
wire.
(
2
)Measuring earth leakage current (See Fig.
2
):Clamp
ontoagroundedwire.
3
-phase
3
-wiresystem
(In
4
-wiresystemwithneutral,
clampontoall
4
wires)
Fig.
1
Measuringoutofbalanceleakagecurrent
Groundedwire
Load
Load
Load
Single-phase
2
-wiresystem
(In
3
-wiresystemwithneutral,
clampontoall
3
wires)
Fig.
2
Measuringearthleakagecurrent
92
-
1746
E
7
-
22
DISTRIBUTOR
#
Refertotheinstructionsinthemanual.
IndicatesaInstrumentwithdoubleorreinforcedinsulation
Indicates that this instrument can clamp on live bare
conductors when the voltage to be tested is below
Circuit-Ground-to-Earthvoltageagainsttheindicated
MeasurementCategory.
～
IndicatesAC
Model
KEW
8146
KEW
8147
KEW
8148
Ratedvoltage AC
30
Arms(
42
.
4
Apeak) AC
70
Arms(
99
.
0
Apeak) AC
100
Arms(
141
.
4
Apeak)
Outputvoltage
AC
0
〜
1500
mV
(
50
mV/A)
AC
0
〜
3500
mV
(
50
mV/A)
AC
0
〜
5000
mV
(
50
mV/A)
Measuringrange AC
0
〜
30
A AC
0
〜
70
A AC
0
〜
100
A
Accuracy
(Input:sinewave)
0
A
〜
15
A

±
1
.
0
%rdg
±
0
.
1
mV(
50
/
60
Hz)

±
2
.
0
%rdg
±
0
.
2
mV(
40
〜
1
kHz)
15
A
〜
30
A

±
5
.
0
%rdg(
50
/
60
Hz)

±
10
.
0
%rdg(
45
〜
1
kHz)
0
A
〜
40
A

±
1
.
0
%rdg
±
0
.
1
mV(
50
/
60
Hz)

±
2
.
0
%rdg
±
0
.
2
mV(
40
〜
1
kHz)
40
A
〜
70
A

±
5
.
0
%rdg(
50
/
60
Hz)

±
10
.
0
%rdg(
45
〜
1
kHz)
0
A
〜
80
A

±
1
.
0
%rdg
±
0
.
1
mV(
50
/
60
Hz)

±
2
.
0
%rdg
±
0
.
2
mV(
40
〜
1
kHz)
80
A
〜
100
A

±
5
.
0
%rdg(
50
/
60
Hz)

±
10
.
0
%rdg(
45
〜
1
kHz)
Temperature&humidityrange
(Guaranteedaccuracy)

23
±
5
℃
,relativehumidity:
85
%orless(nocondensation)
Operatingtemperaturerange

0
〜
50
℃
,relativehumidity:
85
%orless(nocondensation)
Storagetemperaturerange
-
20
〜
60
℃
,relativehumidity:
85
%orless(nocondensation)
Maximumpermissibleinput
AC
30
Armscontinuous(
50
/
60
Hz) AC
70
Armscontinuous(
50
/
60
Hz) AC
100
Armscontinuous(
50
/
60
Hz)
Output
impedance
Approx.
90
Ω
Approx.
100
Ω
Approx.
60
Ω
Locationforuse
Altitudeupto
2000
m,Indoors
Applicable
standards
IEC
61010
-
1
,IEC
61010
-
2
-
032
  
MeasurementCAT
Ⅲ
(
300
Vrms)
  
Pollutiondegree
2
IEC
61326
-
1
(EMC)
Environmental
standards
EURoHSdirectivecompliant
Withstand
voltage
AC
3470
Vrms(
50
/
60
Hz)for
5
sec.
  
betweenJawandenclosure
  
betweenenclosureandoutputterminal
  
betweenJawandoutputterminal
Insulation
resistance
50
M
Ω
orgreaterat
1000
V
  
betweenJawandenclosure
  
betweenenclosureandoutputterminal
  
betweenJawandoutputterminal
ConductorSize
Approx.
24
mmindiameter(max.)
Approx.
40
mmindiameter(max.)
Approx.
68
mmindiameter(max.)
Dimension
100
(L)
×
60
(W)
×
26
(D)mm
128
(L)
×
81
(W)
×
36
(D)mm
186
(L)
×
129
(W)
×
53
(D)mm
Cablelength
Approx.
2
m
Outputterminal MINIDIN
6
PIN
Weight
Approx.
150
g Approx.
240
g Approx.
510
g
Accessories
Instructionmanual
Cablemarker
Option
MODEL
7146
（
Banana
Φ
4
adjusterplug
）
MODEL
7185
（
Extensioncable
）
　6. Specifications

Produkt Specifikationer

Mærke: Kyoritsu
Kategori: Måleudstyr
Model: KEW 8148

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