Kyoritsu KEW 2055 Manual

Kyoritsu Multimeter KEW 2055

Læs gratis den danske manual til Kyoritsu KEW 2055 (2 sider) i kategorien Multimeter. Denne vejledning er vurderet som hjælpsom af 57 personer og har en gennemsnitlig bedømmelse på 4.9 stjerner ud af 29 anmeldelser. Har du et spørgsmål om Kyoritsu KEW 2055, eller vil du spørge andre brugere om produktet?

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Side 1/2

INSTRUCTION MANUAL

DIGITAL CLAMP METER

KEW 2055

１．Features

●

Designedtomeetinternationalsafetystandards.

IEC61010-1.IEC61010-031:2002&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.

●

WithContinuity&DiodeCheckFunction

●

NCV

（

Non Contact Voltage

）

Function for wiring

check.

●

600Vinputprotection.

●

Sleepfunctiontoextendbatterylife.

●

WithBarGraph,6039counts

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

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.

●

U n d e r s t a n d a n d f o l l o w a l l t h e s a f e t y

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.

●

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.

 DC

AC&DC

Thisinstrumentsatisfiesthemarkingrequirement

defined in the WEEE Directive (2002/96/EC).

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 exposed conductive parts, however, extra

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 substitute 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.

●

Verify proper operation ona known source before

useortakingactionasaresultoftheindicationof

theinstrument.

●

Use appropriate personal protective equipment

such as insulating gloves, Insulating boots, and

safetyglasses.

●

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).

3. Specification

3-1. Measuring range & accuracy

(accuracyguaranteedat23

℃ ±

℃

.humidity45

〜

85%)

ACCurrent600A,1000AFunction

Function Measuring

Range Accuracy

600A 0-600.0A

1.5%rdg

5dgt

(50/60Hz)

3.5%rdg

8dgt

(40-400Hz)

1000A 0-1000A

DCCurrent600A,1000AFunction

Function Measuring

Range Accuracy

600A

0-600.0A

1.5%rdg

5dgt

1000A

0-1000A

ACVoltageFunction



（

Auto-ranging,Inputimpedance:approx.10M

Ω）

Range Measuring

Range Accuracy

6/60/600V 1-600.0V

1.3%rdg

4dgt(50/60Hz)

3.0%rdg

5dgt(40

〜

400Hz)

DCVoltageFunction



（

Auto-ranging,Inputimpedance:approx.10M

Ω）

Range Measuring

Range Accuracy

600mV/6/

60/600V 0-600.0V

1.0%rdg

3dgt

Resistance

（

Continuity/DiodeCheck

）

Function

Range Measuring

Range Accuracy

600

/6k/

60k/600k

0-6M

Ω ±

1.0%rdg

5dgt

60M

6.00M-

60.00M

Ω±

5%rdg

8dgt

ContBuzzer 0-600.0

Thresholdvalue:60

Ω±



Diode Testvoltage:0-2V

Frequency/ DUTY Function

（

Auto-ranging for

Frequency

）

Range Measuring

Range Accuracy

ACA 40Hz

−

400Hz

0.5%rdg

5dgt

ACV 1Hz

〜

10kHz

0.1-99.9%

(Pulsewidth/Pulseperiod)

2.5%rdg

5dgt

Note:Measurableinputsare:40Vrms@ACVor

60Arms@AC600A,350A@AC1000ARange

3-2. General Specification

●

Modeofoperation

:

∑mode

●

Display 

:max.6039counts



(Frequency:9999)&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Range

Singlerange/Continuity,Diodecheckand

DUTY

●

Samplerate

:threetimespersecond

●

Functionalconstruction:

OFF/ACA/DCA/ACV/DCV/



●

Keys  :

SELECT(AC/DCswitching&/

/ / ),REL

Hz/DUTY,MIN/MAX,HOLD/BackLight

●

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



accuracyguaranteed85%orless(nocondensation)

●

Operatingtemperature:0

〜

℃

,relativehumidity

&humidityrange85%orless(nocondensation)

●

Storagetemperature :-20

〜

℃

,relativehumidity



&humidityrange85%orless(nocondensation)

●

Currentconsumption:approx.12mA

●

SleepFunction:Automaticallypoweredoffinabout

15minafterthelastFunctionswitchoperation.

Press any key or rotate the Function Switch from

OFFto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 :1200AAC/DC/10sec

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

（

betweenelectricalcircuitandenclosure

）

●

Conductorsize

approx.40mm

●

Dimension

approx.254(L)

82(W)

36(D)mm

●

Weight:approx.:310g

●

Accessories

TestLeads Model7066A/1set

BatteryR03

（

UM-4

）

/2pcs

InstructionmanualEnglish,Japanese/1pce

CarriyngCaseModel9094/1pcs

3-3. Function Keys

The"

●

"markshowsavailablefunctionateachRange.

DCCurrentMeasurement

HOLD SELECT ZERO Hz/

DUTY MAX/

MIN

ACA

●●●●●

ACV

●

●●●

DCA

●●●

●

DCV

●

Ω●●●

●

---

●

---

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 Sleep feature automatically powers the

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,orpressanykey.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

position, the instrument is set to the correct

measurementmode,

and the Data hold function is disabled. Otherwise,

desiredmeasurementcannotbemade.

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precaution

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on

theinstrumentduringameasurement.

(1)Set the Function Switch to "

600A

" or "

1000A

"

position.

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

⇨

DUTY

Hz/DUTY

 Function requires 60A or more at AC600A

Rangeand350AormoreatAC1000Arange.

CAUTION

●

Max conductor size for KEW2055 is approx

dia. 40mm. During current measurement, keep

the trans former jaws fully closed. Other wise,

accuratemeasurementscannotbetaken.

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on

theinstrumentduringameasurement.

(1)Set the Function Switch to "

600A

" or "

1000A

"

position. AC has been selected by default; press

the SELECT key, when AC has been selected, to

changeittoDC.

DC mark is displayed at the upper left on the

display.

Barrier

O: Device which is

not directly

connected to the

mains power supply

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.

Whenthe instrument and the testlead are combined

andusedtogether,whicheverlowercategoryeitherof

thembelongstowillbeapplied.

Cap

Protective fingerguard

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figerguard

ontheinstrumentduringmeasurement.

(1)SettheFunctionSwitchto"

DCV

"position.

(2)ConnecttheredtestleadtoV/

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/ Cont/ Diode Measurement

DANGER

●

Neverusetheinstrumentonanenergizedcircuit.

●

Do not make measurement with the Battery

Coverremoved.

Resistance

(1)Set the Function Switch to  "

Ω/ Cont/ Diode

"

position.

(2)ConnecttheredtestleadtoV/

terminalandthe

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/ Cont/ Diode

"

position. "

"  has beenselected by default; press

theSELECTkeytochangeitto"

Continuity

".

Resistance Cont Diode⇨ ⇨



(2)ConnecttheredtestleadtoV/

terminalandthe

black test lead to COM terminal. Confirm "

" 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.

Diode

(1)Set the Function Switch to "

Ω/ Cont/ Diode

"

position. "

" has been selected by default; press

theSELECTkeytochangeitto"

Diode

"

Resistance Cont Diode⇨ ⇨

(2)ConnecttheredtestleadtoV/

terminalandthe

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"

".

CAUTION

●

Some ofdiodes cannotbe tested.Indication on

thedisplay willbe"OL".



(Zenerdiode, LEDand

soon)

6. Other functions

6-1. Sleep Function

(1)This is a function to prevent the instrument 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,

orpressanyKey.

(2)SleepFunctionisdisabledwhen;MIN/MAX

Function is selected. Continuous measurement is

made with the Sleep Function being disabled. To

activate Sleep Function again, disable the MIN/

MAX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."

"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 indi cates a pr ese nce  of

voltageinanelectricalcircuit

or equipment without touching

them.

N C V  S e n s o r c a n  d e t e c t

electrical field only from the

direction indicated in theright

figure.

Put the fixed element (left

side) closer to the conductor

undertest.

Detecti on 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

●

SELECT, ZERO, Hz/DUTY keys are disabled

whileMIN/MAXFunctionisbeingactivated.

(1)

AC/DC Current Range

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 fixed to

theRangeselectedatthestartof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. Over-flow indication

When the input exceeds the measuring range at each

FunctionotherthanVoltageand1000ARange,"OL"or

"-OL"isindicatedonthedisplay.

7. Battery Replacement

WARNING

●

 MIN/MAX, PEAKkeys aredisabled while ZERO

Functionisbeingactivated.

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.

(2)With 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)Set theFunction Switch to anappropriate position

accordingtocurrentundertest.

(5)Pressing the  "

ZERO

"  key again releases  "

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.

●

K ee p  y o u r f i ng e r s b eh i n d t h e p r o te c ti v e

fingerguardontheinstrumentduringmeasurement.

(1)SettheFunctionSwitchto"

ACV

"position.

(2)ConnecttheredtestleadtoV/

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.

●

Readings of frequency may fluctuate or be

influencedundernoisyenvironment.

Anode

Cathode

92-1801D12-18

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.

Produkt Specifikationer

Mærke:	Kyoritsu
Kategori:	Multimeter
Model:	KEW 2055

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