Kyoritsu KEW 8031F Bedienungsanleitung

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The following symbols are used and marked on the

instrument and in the instruction manual. Please carefully

check before starting to use the instrument.



Must refer to the Instruction Manual to protect humans

and devices.



Instrument with double or reinforced insulation.



AC

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 the

earth potential exceeds 600V to avoid electrical

shocks.

●Do not make measurement when thunder is rumbling.

If the instrument is in use, stop the measurement

immediately and remove the instrument from the

measured object.

●Put insulated protective gears when there is a danger

of electrical shock hazard.

●Do not attempt to make measurement in the presence

of flammable gasses, fumes, vapor or dust. 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.

●The instrument should be used only in its intended

applications or conditions. Otherwise, safety functions

equipped with the instrument do not work, and

instrument damage or serious personal injury may be

caused.



WARNING

●Never attempt to make any measurement, if the

instrument has any structural abnormality such as

cracked case and exposed metal part.

●First, connect the Tester to Three-phase system and

then press the push switch button.

●If the cables are accidentally disconnected, release

your hand from the push switch button and stop

measurement.

PHASE INDICATOR

KEW 8031 / KEW 8031F

1. Safety Warnings

This instrument has been designed and tested according

to IEC Publication 61010: Safety Requirements for

Electronic 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 retain it in safe condition. Therefore, read

through these operating instructions before starting using

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.

●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 related parts in 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 tocause 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.



WARNING

●Don't touch the disconnected cables while the push

switch button is being pressed down.

●Stop using the test lead if the outer jacket is damaged

and the inner metal or color jacket is exposed.

●Do not install substitute parts or make any modification

to the instrument. Return the instrument to Kyoritsu or

your distributor for repair or re-calibration.



CAUTION

●Even if all missing phase indicators are off, one phase

might be live: care should be taken to avoid getting

electric shock.

●Max continuous measurement time differs depending

on voltages. Please refer to continuous measurement

time written in this document and measure each

voltage within each limited time.

●Do not expose the instrument to the direct sun,

extreme temperatures or dew fall.

●Use a damp cloth and detergent for cleaning the

instrument. Do not use abrasives or solvents.

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

from dust and water.

●Choose and use the test leads and caps that are

suitable for the measurement category. When the

instrument and the test lead are combined and used

together, whichever lower category either of them

belongs to will be applied.

●Keep your fingers and hands behind the protective

fingerguard during measurement.

Measurement categories(Over-voltage categories)

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 enviroments can endure greater momentary

energy than one desined for CAT II.

3. Instrument Layout4. Specifications

Nominal system voltageUn（）

：

AC230V

Voltage ranges

：

AC110V to 600V

Rated frequency

：

50Hz / 60Hz

Continuous operation time

：

Continuous up to AC280V

40 minutes or less from AC281V to AC300V

20 minutes or less from AC301V to AC400V

10 minutes or less from AC401V to AC500V

5 minutes or less from AC501V to AC600V

Safety Standards

：

IEC 61010-1, IEC 61010-2-030

Measurement category CAT IV 300V,CAT III 600V

Pollution degree 2

IEC 61010-031

IEC 61557-1, IEC61557-7

Standards : IEC 61326-1 (EMC), IEC 60529 (IP30)

Environmental standards : IEC 50581 (EU RoHS)

Location for use

：

Altitude 2000m or less, Indoor use

Withstand Voltage

：

AC6300V(rms) for 5seconds

Dimensions

：

106(L) x 75 (W) x 40 (D) mm (Body)

1.3m (Test lead)

Weight

：

Approx. 350g

Fuse : 0.5A / 600V (F) 6.3X32mm (only KEW8031F)φ

Accessories

：

Instruction manual

Carrying Case

5. Operating instructions



WARNING

●First, connect the Tester to Three-phase system and

then press the push switch button.

●If the cables are accidentally disconnected, release

your hand from the push switch button and stop

measurement.

●Don't touch the disconnected cables while the push

switch button is being pressed down.



CAUTION

●Even if all missing phase indicators are off, one phase

might be live: care should be taken to avoid getting

electric shock.

●Max continuous measurement time differs depending

on voltages. Please refer to continuous measurement

time written in this document and measure each

voltage within each limited time.

DISTRIBUTOR

(1) Connect colour coded alligator clips or prods to the

terminals of a 3-phase power source where a rotating

electrical machine such as a motor will be connected or

input to a building.

(2) Press the push switch button located on top of the

unit. Keep this button pressed during phase sequence

or open phase check. When the push switch button is

released it immediately goes off.

(3) Make sure that all of the three lamps for phase check

are on. If so, there is no open phase. When any of the

three lamps is Not on there is open phase.

Open phase check Open phase on terminal→

Lamp "L1" is not on where Red alligator clip

is connected.

Open phase check Open phase on terminal→

Lamp "L2" is not on where Whight alligator clip

is connected.

Open phase check Open phase on terminal→

Lamp "L3" is not on where Blue alligator clip

is connected.

※When the open phase check lamps are not on the

rotating disc does not turn.

(4) Check the rotating direction of the inside disc through

the phase sequence indication window.

※When the rotating disc turns counter-clockwise alternate

the connection of the two of the three alligator clips.

Then, the rotating disc will turn clockwise.

※When the rotating disc turns clockwise phase sequence

isL1,L2 and L3 in order of the power source terminals

where the Red, Whight and Blue alligator clips are

connected.

1-22 92-2429

Kyoritsu reserves the rights to change specifications

or designs described in this manual without notice and

without obligations.

O(None,Other):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overcurrent

protectiondevice(distributionpanel).

2. Features

●TwoFunctionsinOneUnit

 KEW8031andKEW8031Fisdesignedto

checkphasesequence.Lampsprovidedon

theunitwillalsotellyouifaphaseisopen.

●HighlyReliable

 

Cancheckawiderangeof3-phasepower

sourcefrom110Vto600V.Sealedagainst

dust,theunitensurestrouble-freeperformance.

●FunctionalDesign

 Small,Lightweightandportable.Designedfor

maximumeaseofoperationandruggedness.

●SafetyDesign

 Noexposedmetalparts.Safetyfeaturesare

incorporatedincludingtheinstantpushbutton

switchoperation.

INSTNMALRUCTIOANU

KEW8031

KEW 8031F

AgatorClipsetlli

RED

WHITE

BLUE

AgatorClipsetlli

RED

WHITE

BLUE

KEW8031

KEW 8031F

Wiring diagram

Protectefigerguard:iv

※Whentheinstrumentandthetestleadarecombinedand

usedtogether,whheverlowercategoryeitherofthemic

belongs to wlbe apped.illi

How to replace the fuse(W8031F)KE

Turn the probe tospt itli

Fuse 0.5A/600V(F)

φ6.3X32mm

It is a part providing protection

againstelectrical shock and

ensuring the minimumrequired

air and creepage distances.

O: Device which is

not directly

connected to the

mains power supply

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