Kyoritsu KEW 2055 Bedienungsanleitung

Kyoritsu Multimeter KEW 2055

Lesen Sie kostenlos die ๐Ÿ“– deutsche Bedienungsanleitung fรผr Kyoritsu KEW 2055 (2 Seiten) in der Kategorie Multimeter. Dieser Bedienungsanleitung war fรผr 28 Personen hilfreich und wurde von 2 Benutzern mit durchschnittlich 4.5 Sternen bewertet

Seite 1/2
INSTRUCTION MANUAL
DIGITAL CLAMP METER
KEW 2055
๏ผ‘๏ผŽFeatures
โ—
Designed๎˜to๎˜meet๎˜international๎˜safety๎˜standards.
โ€ƒ
IEC61010-1.IEC61010-031:2002๎˜&๎˜IEC61010-2-032๎˜
โ€ƒ
Measurement๎˜Category๎˜(CAT)๎˜IV๎˜600V
โ€ƒ
Pollution๎˜Degree๎˜2
โ—
๎˜Double๎˜ molded๎˜ main๎˜ body๎˜ provides๎˜ comfortable๎˜
๎˜
single๎˜handed๎˜grip
โ€ƒ
โ—
Data๎˜Hold๎˜Function
โ—
๎˜LCD๎˜ Backlight๎˜ function๎˜ to๎˜ facilitate๎˜ working๎˜ at๎˜
dimly๎˜lit๎˜situations.๎˜
โ—
REL๎˜function๎˜to๎˜indicate๎˜measurement๎˜variation.
โ€ƒ
(Current,๎˜voltage,๎˜Resistance๎˜measurement)
โ—
๎˜MIN/MAX๎˜ function๎˜ enables๎˜ easy๎˜ reading๎˜ of๎˜ min๎˜ &๎˜
max๎˜value๎˜during๎˜measurement.
โ—
With๎˜Continuity๎˜&๎˜Diode๎˜Check๎˜Function
โ—
๎˜NCV
๏ผˆ
Non๎˜ Contact๎˜ Voltage
๏ผ‰
Function๎˜ for๎˜ wiring๎˜๎˜๎˜
check.
โ—
600V๎˜input๎˜protection.
โ—
Sleep๎˜function๎˜to๎˜extend๎˜battery๎˜life.
โ—
With๎˜Bar๎˜Graph,๎˜6039๎˜counts
2. Safety Warnings
This๎˜ instrument๎˜ has๎˜ been๎˜ designed,๎˜ manufactured๎˜ and๎˜
tested๎˜according๎˜to๎˜IEC๎˜61010:๎˜Safety๎˜requirements๎˜for๎˜
Electronic๎˜ Measuring๎˜ apparatus,๎˜ and๎˜ delivered๎˜ in๎˜
the๎˜ best๎˜ condition๎˜ after๎˜ passed๎˜ the๎˜ inspection.๎˜ This๎˜
instruction๎˜ manual๎˜ contains๎˜ warnings๎˜ and๎˜ safety๎˜
rules๎˜ which๎˜ must๎˜ be๎˜ observed๎˜ by๎˜ the๎˜ user๎˜ to๎˜ ensure๎˜
safe๎˜operation๎˜ of๎˜ the๎˜ instrument๎˜ and๎˜ retain๎˜ it๎˜ in๎˜ safe๎˜
condition.๎˜
Therefore,๎˜ read๎˜ through๎˜ these๎˜ operating๎˜ instructions๎˜
before๎˜using๎˜the๎˜instrument.
โ€ƒ
WARNING
โ—
๎˜Read๎˜ through๎˜ and๎˜ understand๎˜ the๎˜ instructions๎˜
contained๎˜ in๎˜ this๎˜ manual๎˜ before๎˜ using๎˜ the๎˜
instrument.
โ—
๎˜Keep๎˜ the๎˜ manual๎˜ at๎˜ hand๎˜ to๎˜ enable๎˜ quick๎˜
reference๎˜whenever๎˜necessary.
โ—
๎˜The๎˜instrument๎˜is๎˜to๎˜be๎˜used๎˜only๎˜in๎˜its๎˜intended๎˜
applications.
โ—
๎˜U n d e r s t a n d๎˜ a n d๎˜ f o l l o w๎˜ a l l๎˜ t h e๎˜ s a f e t y๎˜
instructions๎˜contained๎˜in๎˜the๎˜manual.
Failure๎˜ to๎˜follow๎˜ the๎˜ instructions๎˜ may๎˜ cause๎˜ injury,๎˜
instrument๎˜ damage๎˜ and/or๎˜ damage๎˜ to๎˜ equipment๎˜
under๎˜ test.๎˜ Kyoritsu๎˜ is๎˜ by๎˜ no๎˜ means๎˜ liable๎˜ for๎˜
any๎˜ damage๎˜ resulting๎˜ from๎˜ the๎˜ instrument๎˜ in๎˜
contradiction๎˜to๎˜this๎˜cautionary๎˜note.๎˜
The๎˜symbol๎˜ ๎˜indicated๎˜on๎˜the๎˜instrument๎˜means๎˜that๎˜
the๎˜user๎˜must๎˜refer๎˜to๎˜the๎˜related๎˜parts๎˜in๎˜the๎˜manual๎˜
for๎˜safe๎˜ operation๎˜ of๎˜the๎˜ instrument.๎˜ It๎˜ is๎˜essential๎˜ to๎˜
read๎˜ the๎˜ instructions๎˜ wherever๎˜ the๎˜ ๎˜ symbol๎˜ appears๎˜
in๎˜the๎˜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.
โ—
๎˜Marks๎˜ listed๎˜ in๎˜ the๎˜ table๎˜ below๎˜ are๎˜ used๎˜ on๎˜ this๎˜
instrument.
User๎˜must๎˜refer๎˜to๎˜the๎˜manual.
Instrument๎˜with๎˜double๎˜or๎˜reinforced๎˜insulation
Indicates๎˜ that๎˜ this๎˜ instrument๎˜ can๎˜ clamp๎˜ on๎˜
bare๎˜ conductors๎˜ when๎˜ measuring๎˜ a๎˜ voltage๎˜
corresponding๎˜ to๎˜ the๎˜ applicable๎˜ measurement๎˜
category,๎˜which๎˜is๎˜marked๎˜next๎˜to๎˜this๎˜symbol.
AC
๎˜ DC
AC๎˜&๎˜DC
This๎˜instrument๎˜satisfies๎˜the๎˜marking๎˜requirement๎˜
defined๎˜ in๎˜ the๎˜ WEEE๎˜ Directive๎˜ (2002/96/EC).๎˜
This๎˜ symbol๎˜ indicates๎˜ separate๎˜ collection๎˜ for๎˜
electrical๎˜and๎˜electronic๎˜equipment.
โ€ƒ
DANGER
โ—
๎˜Never๎˜ make๎˜ measurement๎˜ on๎˜ a๎˜ circuit๎˜ in๎˜ which๎˜
voltage๎˜over๎˜AC600V๎˜exists.
โ—
๎˜Do๎˜ not๎˜ attempt๎˜ to๎˜ make๎˜ measurement๎˜ in๎˜ the๎˜
presence๎˜of๎˜ flammable๎˜ gasses.๎˜ Otherwise,๎˜ the๎˜ use๎˜
of๎˜ the๎˜ instrument๎˜ may๎˜ cause๎˜ sparking,๎˜ which๎˜ can๎˜
lead๎˜to๎˜an๎˜explosion.
โ—
๎˜Transformer๎˜ jaw๎˜ tips๎˜ are๎˜ designed๎˜ not๎˜ to๎˜ short๎˜
the๎˜ circuit๎˜ under๎˜ test.๎˜ If๎˜ equipment๎˜ under๎˜ test๎˜
has๎˜ exposed๎˜ conductive๎˜ parts,๎˜ however,๎˜ extra๎˜
precaution๎˜ should๎˜ be๎˜ taken๎˜ to๎˜ minimize๎˜ the๎˜
possibility๎˜of๎˜shorting.
โ—
๎˜Never๎˜attempt๎˜to๎˜use๎˜the๎˜instrument๎˜if๎˜its๎˜surface๎˜
or๎˜your๎˜hand๎˜is๎˜wet.
โ—
๎˜Do๎˜ not๎˜ exceed๎˜ the๎˜ maximum๎˜ allowable๎˜ input๎˜ of๎˜
any๎˜measuring๎˜range.
โ—
๎˜N e v e r๎˜ o p e n๎˜ t h e๎˜ B a t t e r y ๎˜ c o v e r๎˜ d u r i n g๎˜ a๎˜
measurement.
โ—
๎˜
The๎˜ instrument๎˜ is๎˜ to๎˜ be๎˜ used๎˜ only๎˜ in๎˜ its๎˜ intended๎˜
applications๎˜ or๎˜ conditions.๎˜ Otherwise,๎˜ safety๎˜
functions๎˜equipped๎˜with๎˜the๎˜instrument๎˜doesn
๎ขŸ
t๎˜work,๎˜
and๎˜ instrument๎˜ damage๎˜ or๎˜ serious๎˜ personal๎˜ injury๎˜
may๎˜be๎˜caused.
โ—
๎˜Verify๎˜ proper๎˜ operation๎˜ on๎˜a๎˜ known๎˜ source๎˜ before๎˜
use๎˜ or๎˜ taking๎˜ action๎˜ as๎˜ a๎˜ result๎˜ indication๎˜ of๎˜ the๎˜
instrument.
โ—
๎˜Keep๎˜your๎˜fingers๎˜and๎˜hands๎˜behind๎˜the๎˜protective๎˜
fingerguard๎˜during๎˜measurement.
โ€ƒ
WARNING
โ—
๎˜๎˜Never๎˜ attempt๎˜ to๎˜ make๎˜ measurement๎˜ if๎˜ any๎˜
abnormal๎˜ conditions,๎˜ such๎˜ as๎˜ broken๎˜ case๎˜ and๎˜
exposed๎˜metal๎˜parts๎˜are๎˜found๎˜on๎˜the๎˜instrument.
โ€ƒ
โ—
๎˜Do๎˜ not๎˜ rotate๎˜ the๎˜ Function๎˜ Switch๎˜ while๎˜ the๎˜ test๎˜
leads๎˜are๎˜being๎˜connected.
โ—
๎˜๎˜Do๎˜ not๎˜ install๎˜ substitute๎˜ parts๎˜ or๎˜ make๎˜ any๎˜
modification๎˜ to๎˜ the๎˜ instrument.๎˜ For๎˜ repair๎˜ or๎˜
re-calibration,๎˜ return๎˜ the๎˜ instrument๎˜ to๎˜ your๎˜ local๎˜
distributor๎˜from๎˜where๎˜it๎˜was๎˜purchased.
โ—
๎˜๎˜Do๎˜not๎˜ try๎˜ to๎˜ replace๎˜ the๎˜ batteries๎˜ if๎˜ the๎˜ surface๎˜
of๎˜the๎˜instrument๎˜is๎˜wet.
โ—
๎˜Disconnect๎˜ all๎˜ the๎˜ cords๎˜ and๎˜ cables๎˜ from๎˜ the๎˜
object๎˜ under๎˜ test๎˜ and๎˜ power๎˜ off๎˜the๎˜ instrument๎˜
before๎˜ opening๎˜ the๎˜ Battery๎˜ Cover๎˜ for๎˜ Battery๎˜
replacement.
โ—
๎˜Verify๎˜ proper๎˜ operation๎˜ on๎˜a๎˜ known๎˜ source๎˜ before๎˜
use๎˜or๎˜taking๎˜action๎˜as๎˜a๎˜result๎˜of๎˜the๎˜indication๎˜of๎˜
the๎˜instrument.
โ—
๎˜Use๎˜ appropriate๎˜ personal๎˜ protective๎˜ equipment๎˜
such๎˜ as๎˜ insulating๎˜ gloves,๎˜ Insulating๎˜ boots,๎˜ and๎˜
safety๎˜glasses.
โ—
๎˜Stop๎˜ using๎˜ the๎˜ test๎˜ lead๎˜ if๎˜ the๎˜ outer๎˜ jacket๎˜ is๎˜
damaged๎˜ and๎˜ the๎˜ inner๎˜ metal๎˜ or๎˜ color๎˜ jacket๎˜ is๎˜
exposed.
๎˜
โ€ƒ
CAUTION
โ—
๎˜Set๎˜the๎˜Function๎˜Switch๎˜to๎˜an๎˜appropriate๎˜position๎˜
before๎˜starting๎˜measurement.
โ€ƒ
โ—
๎˜Firmly๎˜insert๎˜the๎˜test๎˜leads.
โ€ƒ
โ—
๎˜Disconnect๎˜the๎˜test๎˜leads๎˜from๎˜the๎˜instrument๎˜๎˜for๎˜
current๎˜measurement.
โ€ƒ
โ—
๎˜Do๎˜ not๎˜ expose๎˜the๎˜ instrument๎˜ to๎˜ the๎˜ direct๎˜ sun,๎˜
high๎˜temperature๎˜and๎˜humidity๎˜or๎˜dewfall.
โ€ƒ
โ—
๎˜Altitude๎˜ 2000m๎˜ or๎˜ less.๎˜ Appropriate๎˜ operating๎˜
temperature๎˜is๎˜within๎˜0
โ„ƒ
๎˜and๎˜40
โ„ƒ
.
โ—
๎˜This๎˜ instrument๎˜ isn
๎ขŸ
t๎˜ dust๎˜ &๎˜ water๎˜ proofed.๎˜ Keep๎˜
away๎˜from๎˜dust๎˜and๎˜water.
โ—
๎˜Be๎˜ sure๎˜ to๎˜ power๎˜ off๎˜ the๎˜ instrument๎˜ after๎˜ use.๎˜
When๎˜the๎˜instrument๎˜will๎˜ not๎˜be๎˜in๎˜ use๎˜for๎˜a๎˜ long๎˜
period,๎˜ place๎˜ it๎˜ in๎˜ storage๎˜ after๎˜ removing๎˜ the๎˜
batteries.
โ—
๎˜Use๎˜ a๎˜ cloth๎˜ dipped๎˜ in๎˜ water๎˜ or๎˜ neutral๎˜detergent๎˜
for๎˜ cleaning๎˜ the๎˜ instrument.๎˜ Do๎˜ not๎˜ use๎˜ abrasives๎˜
or๎˜solvents.
Measurement Category
To๎˜ ensure๎˜ safe๎˜ operation๎˜ of๎˜ measuring๎˜ instruments,๎˜
IEC๎˜ 61010๎˜ establishes๎˜ safety๎˜ standards๎˜ for๎˜ various๎˜
electrical๎˜ environments,๎˜ categorized๎˜ as๎˜ O๎˜ to๎˜ CAT๎˜ IV,๎˜
and๎˜ called๎˜ measurement๎˜ categories.๎˜ Higher-numbered๎˜
categories๎˜ correspond๎˜ to๎˜ electrical๎˜ environments๎˜ with๎˜
greater๎˜momentary๎˜ energy,๎˜so๎˜ a๎˜ measuring๎˜instrument๎˜
designed๎˜for๎˜CAT๎˜ III๎˜ environments๎˜can๎˜endure๎˜ greater๎˜
momentary๎˜energy๎˜than๎˜one๎˜designed๎˜for๎˜CAT๎˜II.
๎˜๎˜๎˜O
:๎˜๎˜Circuits๎˜ which๎˜ are๎˜ not๎˜ directly๎˜ connected๎˜
to๎˜the๎˜mains๎˜power๎˜supply.๎˜
๎˜๎˜๎˜CAT II
:๎˜๎˜Electrical๎˜ circuits๎˜ of๎˜ equipment๎˜ connected๎˜
to๎˜an๎˜AC๎˜electrical๎˜outlet๎˜by๎˜a๎˜power๎˜cord.
๎˜๎˜๎˜CAT III
:๎˜๎˜Primary๎˜ electrical๎˜ circuits๎˜ of๎˜ the๎˜
equipment๎˜ connected๎˜ directly๎˜ to๎˜ the๎˜
distribution๎˜ panel,๎˜ and๎˜ feeders๎˜ from๎˜ the๎˜
distribution๎˜panel๎˜to๎˜outlets.
๎˜๎˜๎˜CAT IV
:๎˜๎˜The๎˜ circuit๎˜ from๎˜ the๎˜ service๎˜ drop๎˜ to๎˜ the๎˜
service๎˜ entrance,๎˜ and๎˜ to๎˜ the๎˜ power๎˜ meter๎˜
and๎˜primary๎˜over-current๎˜protection๎˜device๎˜
(distribution๎˜panel).
3. Specification
3-1. Measuring range & accuracy
(accuracy๎˜guaranteed๎˜at๎˜23
โ„ƒ ยฑ
5
โ„ƒ
๎˜.humidity๎˜45
ใ€œ
85%)
AC๎˜Current๎˜600A,๎˜1000A๎˜Function
Function Measuring
Range Accuracy
600A 0-600.0A
ยฑ
1.5%rdg
ยฑ
5dgt
(50/60Hz)
ยฑ
3.5%rdg
ยฑ
8dgt
(40-400Hz)
1000A 0-1000A
DC๎˜Current๎˜600A,๎˜1000A๎˜Function
Function Measuring
Range Accuracy
600A
0-600.0A
ยฑ
1.5%rdg
ยฑ
5dgt
1000A
0-1000A
AC๎˜Voltage๎˜Function
๎˜๎˜๎˜๎˜
๏ผˆ
Auto-ranging,๎˜Input๎˜impedance:๎˜approx.๎˜10M
ฮฉ๏ผ‰
Range Measuring
Range Accuracy
6/60/600V 1-600.0V
ยฑ
1.3%rdg
ยฑ
4dgt๎˜(50/60Hz)
ยฑ
3.0%rdg
ยฑ
5dgt๎˜(40
ใ€œ
400Hz)
DC๎˜Voltage๎˜Function
๎˜๎˜๎˜๎˜
๏ผˆ
Auto-ranging,๎˜Input๎˜impedance:๎˜approx.๎˜10M
ฮฉ๏ผ‰
Range Measuring
Range Accuracy
600mV/6/
60/600V 0-600.0V
ยฑ
1.0%rdg
ยฑ
3dgt
Resistance
๏ผˆ
Continuity/Diode๎˜Check
๏ผ‰
Function
Range Measuring
Range Accuracy
600
ฮฉ
/6k/
60k/600k
ฮฉ
6M
ฮฉ
0-6M
ฮฉ ยฑ
1.0%rdg
ยฑ
5dgt
60M
ฮฉ
6.00M-๎˜
60.00M
ฮฉยฑ
5%rdg
ยฑ
8dgt
Cont๎˜Buzzer 0-600.0
ฮฉ
Threshold๎˜value๎˜:๎˜60
ฮฉยฑ
30
ฮฉ
๎˜
Diode Test๎˜voltage:๎˜0-2V
Frequency/๎˜ DUTY๎˜ Function
๏ผˆ
Auto-ranging๎˜ f or๎˜
Frequency
๏ผ‰
Range Measuring
Range Accuracy
ACA 40Hz
โˆ’
400Hz
ยฑ
0.5%rdg
ยฑ
5dgt
ACV 1Hz
ใ€œ
10kHz
0.1-99.9%
(Pulse๎˜width/Pulse๎˜period)
ยฑ
2.5%rdg
ยฑ
5dgt
Note:๎˜Measurable๎˜inputs๎˜are:๎˜40Vrms@ACV๎˜or๎˜
60Arms@AC600A,๎˜350A@AC1000A๎˜Range
3-2. General Specification
โ—
Mode๎˜of๎˜operation๎˜
โ€ƒ
๎˜:
ฮ”
โˆ‘๎˜mode
โ—
Display๎˜ ๎˜
โ€ƒ
๎˜:๎˜max.๎˜6039๎˜counts๎˜
๎˜๎˜
โ€ƒโ€ƒโ€ƒโ€ƒโ€ƒ
๎˜(Frequency:๎˜9999)๎˜&๎˜Bar๎˜graph
โ—
๎˜
Over-range๎˜ indication๎˜ :๎˜ "OL"๎˜ displayed๎˜ when๎˜ exceeding๎˜
the๎˜ measuring๎˜ range. ๎˜ (except๎˜ for๎˜ AC/DCV๎˜ and๎˜ 1000A๎˜๎˜๎˜๎˜๎˜๎˜๎˜๎˜๎˜๎˜๎˜๎˜๎˜๎˜๎˜๎˜๎˜๎˜๎˜๎˜๎˜๎˜๎˜๎˜๎˜๎˜๎˜๎˜๎˜๎˜๎˜๎˜
Function)
โ—
Range๎˜switching๎˜ ๎˜๎˜๎˜๎˜:๎˜
โ€ƒ
Auto-ranging๎˜/๎˜Voltage,๎˜Resistance๎˜Range
โ€ƒ
Single๎˜range๎˜/๎˜Continuity,๎˜Diode๎˜check๎˜and๎˜
DUTY
โ—
Sample๎˜rate๎˜
โ€ƒโ€ƒ
:๎˜three๎˜times๎˜per๎˜second
โ—
๎˜Functional๎˜construction๎˜:๎˜
โ€ƒ
OFF/ACA/DCA/ACV/DCV/
ฮฉ
๎˜
โ—
๎˜Keys๎˜ ๎˜ ๎˜๎˜๎˜๎˜๎˜๎˜๎˜:๎˜
โ€ƒ
SELECT(AC/DC๎˜switching๎˜&๎˜/
ฮฉ
/ / ),๎˜REL
ฮ”
,
โ€ƒ
Hz/DUTY,๎˜MIN/MAX,๎˜HOLD/๎˜Back๎˜Light๎˜
โ—
๎˜Power๎˜source๎˜ ๎˜๎˜๎˜๎˜๎˜๎˜๎˜:๎˜DC3V/๎˜R03(UM-4)๎˜x๎˜2pcs๎˜
โ—
๎˜Low๎˜battery๎˜warning๎˜๎˜๎˜
๎˜:
๎˜" "๎˜mark๎˜is๎˜displayed๎˜at๎˜
๎˜ ๎˜
โ€ƒโ€ƒโ€ƒ
2.4V
ยฑ
0.15V๎˜or๎˜less.
โ—
๎˜
Temperature๎˜ &๎˜ humidity๎˜ :๎˜ 23
โ„ƒ ยฑ
5
โ„ƒ
,๎˜ relative๎˜ humidity
๎˜
accuracy๎˜guaranteed๎˜๎˜85%๎˜or๎˜less๎˜(no๎˜condensation)
โ—
๎˜Operating๎˜temperature๎˜๎˜:0
ใ€œ
40
โ„ƒ
,๎˜relative๎˜humidity๎˜
โ€ƒ
&๎˜humidity๎˜range๎˜๎˜๎˜๎˜๎˜๎˜๎˜85%๎˜or๎˜less๎˜(no๎˜condensation)
โ—
Storage๎˜temperature๎˜๎˜๎˜๎˜๎˜ :๎˜-20
ใ€œ
60
โ„ƒ
,๎˜relative๎˜humidity
๎˜
โ€ƒ
&๎˜humidity๎˜range๎˜๎˜๎˜๎˜๎˜๎˜๎˜85%๎˜or๎˜less๎˜(no๎˜condensation)๎˜
โ—
Current๎˜consumption๎˜๎˜๎˜๎˜๎˜:๎˜approx.๎˜12๎˜mA๎˜
โ—
Sleep๎˜Function๎˜:๎˜Automatically๎˜powered๎˜off๎˜in๎˜about๎˜
โ€ƒ
15๎˜min๎˜after๎˜the๎˜last๎˜Function๎˜switch๎˜operation.๎˜
โ€ƒ
๎˜Press๎˜ any๎˜ key๎˜ or๎˜ rotate๎˜ the๎˜ Function๎˜ Switch๎˜ from๎˜๎˜
OFF๎˜to๎˜any๎˜๎˜position๎˜to๎˜exit๎˜from๎˜the๎˜Sleep๎˜state.
โ—
Location๎˜for๎˜use
๎˜๎˜๎˜Outdoor๎˜use,๎˜Altitude๎˜up๎˜๎˜to๎˜2000m
โ—
Applicable๎˜Standards๎˜
โ€ƒ
IEC๎˜61010-1,๎˜61010-2-032,๎˜61010-2-033
โ€ƒ
Measurement๎˜CAT๎˜IV๎˜๎˜600V๎˜๎˜Pollution๎˜degree๎˜2
โ€ƒ
IEC๎˜61010-031
โ€ƒ
๎˜๎˜๎˜EMC
๏ผš
EN๎˜61326-1
โ€ƒใƒป
EN๎˜55022
โ€ƒใƒป
EN๎˜61000-4-2๎˜(performance๎˜criterion๎˜B)
โ€ƒใƒป
EN๎˜61000-4-3๎˜(performance๎˜criterion๎˜B)
โ—
RoHS
๏ผš
EN๎˜50581
โ—
Overload๎˜Protection
โ€ƒ
Current๎˜Range๎˜ ๎˜:1200A๎˜AC/DC/๎˜10๎˜sec๎˜
โ€ƒ
Voltage๎˜Range๎˜ ๎˜:๎˜720V๎˜AC/DC/๎˜10sec
โ€ƒ
Resistance๎˜Range๎˜ ๎˜:๎˜600V๎˜AC/DC/๎˜10sec
โ—
Withstand๎˜Voltage
โ€ƒ
6720V๎˜AC๎˜
๏ผˆ
TRMS๎˜50/60Hz
๏ผ‰
/๎˜5๎˜sec
โ€ƒ
(between๎˜Jaws๎˜and๎˜electrical๎˜circuit/๎˜between๎˜internal
๎˜
โ€ƒ
circuit๎˜and๎˜enclosure)
โ—
Insulation๎˜Resistance๎˜๎˜๎˜๎˜:๎˜10M
ฮฉ
๎˜or๎˜more/๎˜1000V๎˜
โ€ƒ๏ผˆ
between๎˜electrical๎˜circuit๎˜and๎˜enclosure
๏ผ‰
โ—
Conductor๎˜size
โ€ƒ
approx.๎˜40mm
โ—
Dimension
โ€ƒ
approx.๎˜254(L)
ร—
82(W)
ร—
36(D)mm
โ—
Weight๎˜:๎˜approx.:๎˜310g๎˜
โ—
Accessories
โ€ƒ
โ€ƒ
Test๎˜Leads๎˜ Model๎˜7066A๎˜/๎˜1๎˜set
โ€ƒ
Battery๎˜๎˜๎˜๎˜๎˜๎˜๎˜๎˜๎˜๎˜๎˜๎˜๎˜๎˜๎˜R03
๏ผˆ
UM-4
๏ผ‰
/๎˜2pcs
โ€ƒ
Instruction๎˜manual๎˜English,๎˜Japanese๎˜/๎˜1pce
โ€ƒ
Carriyng๎˜Case๎˜๎˜๎˜๎˜๎˜๎˜Model๎˜9094/๎˜1pcs
3-3. Function Keys
The๎˜๎˜"
โ—
"๎˜๎˜mark๎˜shows๎˜available๎˜function๎˜at๎˜each๎˜Range.
DC๎˜Current๎˜Measurement๎˜
HOLD SELECT ZERO Hz/
DUTY MAX/
MIN
ACA
โ—โ—โ—โ—โ—
ACV
โ—
-
โ—โ—โ—
DCA
โ—โ—โ—
-
โ—
DCV
โ—
-
โ—
-
โ—
ฮฉโ—โ—โ—
-
โ—
-
โ—
---
-
โ—
---
4. Preparation for measurement
4-1. Checking Battery Voltage
Set๎˜ the๎˜ Function๎˜ Switch๎˜ to๎˜ any๎˜ position๎˜ other๎˜ than๎˜๎˜
"
OFF
"๎˜.๎˜When๎˜ the๎˜display๎˜is๎˜ clear๎˜without๎˜ ๎˜๎˜ "
BATT
"๎˜๎˜๎˜ mark,๎˜
showing,๎˜ battery๎˜ voltage๎˜ is๎˜ enough.๎˜ When๎˜ the๎˜ display๎˜
is๎˜ blank๎˜ or
โ€ƒ
๎˜ "
BATT
"๎˜ ๎˜ mark๎˜ is๎˜ indicated,๎˜ replace๎˜ the๎˜
batteries๎˜according๎˜to๎˜Section๎˜7,๎˜Battery๎˜Replacement.
โ€ƒ
CAUTION
The๎˜ Sleep๎˜ feature๎˜ automatically๎˜ powers๎˜ the๎˜
instrument๎˜off๎˜in๎˜about๎˜ 15๎˜min๎˜after๎˜the๎˜ last๎˜switch๎˜
or๎˜ key๎˜ operation.๎˜ Therefore,๎˜ the๎˜ display๎˜ may๎˜ be๎˜
blank๎˜even๎˜with๎˜the๎˜Function๎˜Switch๎˜set๎˜to๎˜a๎˜position๎˜
other๎˜ than๎˜ ๎˜ "
OFF
"๎˜.๎˜ To๎˜ operate๎˜ the๎˜ instrument๎˜ in๎˜ this๎˜
case,๎˜ turn๎˜ the๎˜ switch๎˜ back๎˜ to๎˜ the๎˜ ๎˜ "
OFF
"๎˜ ๎˜ position,๎˜
then๎˜to๎˜any๎˜other๎˜position,๎˜or๎˜press๎˜any๎˜key.๎˜Replace๎˜
the๎˜ batteries๎˜ if๎˜ nothing๎˜ was๎˜ displayed๎˜ after๎˜ above๎˜
operations.
4-2. Checking Switch Setting & Operation
Confirm๎˜ the๎˜ Function๎˜ Switch๎˜ is๎˜ set๎˜ to๎˜ the๎˜ correct๎˜
position,๎˜ the๎˜ instrument๎˜ is๎˜ set๎˜ to๎˜ the๎˜ correct๎˜
measurement๎˜mode,๎˜
and๎˜ the๎˜ Data๎˜ hold๎˜ function๎˜ is๎˜ disabled.๎˜ Otherwise,๎˜
desired๎˜measurement๎˜cannot๎˜be๎˜made.๎˜
5. Measurement
5-1. AC Current Measurement
โ€ƒ
DANGER
โ—
๎˜๎˜Never๎˜ make๎˜ measurement๎˜ on๎˜ a๎˜ circuit๎˜ in๎˜ which๎˜
voltage๎˜ over๎˜ AC600V๎˜ exists๎˜ to๎˜ avoid๎˜ getting๎˜
electrical๎˜shock.
โ—
๎˜Transformer๎˜ jaw๎˜ tips๎˜ are๎˜ designed๎˜ not๎˜ to๎˜ short๎˜
the๎˜ circuit๎˜ under๎˜ test.๎˜ If๎˜ equipment๎˜ under๎˜ test๎˜ has๎˜
exposed๎˜conductive๎˜parts,๎˜however,๎˜extra๎˜precaution๎˜
should๎˜ be๎˜ taken๎˜ to๎˜ minimize๎˜ the๎˜ possibility๎˜ of๎˜
shorting.
โ—
๎˜๎˜Do๎˜ not๎˜ make๎˜ measurement๎˜ with๎˜ the๎˜ Battery๎˜ Cover๎˜
removed.
โ—
๎˜Disconnect๎˜ the๎˜ test๎˜ leads๎˜from๎˜ the๎˜ instrument๎˜ for๎˜
current๎˜measurement.
โ—
๎˜Keep๎˜ your๎˜fingers๎˜and๎˜ hands๎˜behind๎˜the๎˜ barrier๎˜on๎˜
the๎˜instrument๎˜during๎˜a๎˜measurement.
(1)๎˜๎˜๎˜Set๎˜ the๎˜ Function๎˜ Switch๎˜ to๎˜ "
600A
"๎˜ or๎˜ "
1000A
"๎˜
position.
๎˜๎˜๎˜๎˜๎˜๎˜AC๎˜has๎˜been๎˜selected๎˜by๎˜default;๎˜press๎˜the๎˜SELECT๎˜
key,๎˜ when๎˜ DC๎˜ has๎˜ been๎˜ selected,๎˜ to๎˜ change๎˜ it๎˜ to๎˜
AC.๎˜AC๎˜ mark๎˜ is๎˜displayed๎˜ at๎˜ the๎˜upper๎˜ left๎˜ on๎˜the๎˜
display.๎˜
(2)๎˜๎˜๎˜Press๎˜the๎˜trigger๎˜to๎˜open๎˜the๎˜transformer๎˜jaws๎˜and๎˜
clamp๎˜them๎˜onto๎˜the๎˜one๎˜conductor๎˜under๎˜test,๎˜then๎˜
take๎˜ the๎˜ reading๎˜ on๎˜ the๎˜ display.๎˜ Pressing๎˜ the๎˜ "
Hz/
DUTY
"๎˜ Key๎˜ switches๎˜ the๎˜ indication๎˜ in๎˜ following๎˜
sequence.
AC Current
โ‡จ
Hz
โ‡จ
DUTY
Hz/DUTY
๎˜ Function๎˜ requires๎˜ 60A๎˜ or๎˜ more๎˜ at๎˜ AC600A๎˜
Range๎˜and๎˜350A๎˜or๎˜more๎˜at๎˜AC1000A๎˜range.
โ€ƒ
CAUTION
โ—
๎˜Max๎˜ conductor๎˜ size๎˜ for๎˜ KEW2055๎˜ is๎˜ approx๎˜
dia.๎˜ 40mm.๎˜ During๎˜ current๎˜ measurement,๎˜ keep๎˜
the๎˜ trans๎˜ former๎˜ jaws๎˜ fully๎˜ closed.๎˜ Other๎˜ wise,๎˜
accurate๎˜measurements๎˜cannot๎˜be๎˜taken.
5-2. DC Current Measurement
โ€ƒ
DANGER
โ—
๎˜Never๎˜ make๎˜ measurement๎˜ on๎˜ a๎˜ circuit๎˜ in๎˜ which๎˜
voltage๎˜ over๎˜ DC600V๎˜ exists๎˜ to๎˜ avoid๎˜ getting๎˜
electrical๎˜shock.
โ—
๎˜Do๎˜not๎˜make๎˜measurement๎˜with๎˜the๎˜Battery๎˜Cover๎˜
removed.
โ—
๎˜Keep๎˜your๎˜fingers๎˜and๎˜hands๎˜behind๎˜the๎˜barrier๎˜on๎˜
the๎˜instrument๎˜during๎˜a๎˜measurement.
(1)๎˜๎˜๎˜Set๎˜ the๎˜ Function๎˜ Switch๎˜ to๎˜ "
600A
"๎˜ or๎˜ "
1000A
"๎˜
position.๎˜ AC๎˜ has๎˜ been๎˜ selected๎˜ by๎˜ default;๎˜ press๎˜
the๎˜ SELECT๎˜ ๎˜key,๎˜ when๎˜ AC๎˜ has๎˜ been๎˜ selected,๎˜ to๎˜
change๎˜it๎˜to๎˜DC.๎˜
๎˜๎˜๎˜๎˜๎˜๎˜DC๎˜ mark๎˜ is๎˜ displayed๎˜ at๎˜ the๎˜ upper๎˜ left๎˜ on๎˜ the๎˜
display.
Barrier
O: Device which is
not directly
connected to the
mains power supply
Protective๎˜fingerguard๎˜(Barrier)
๏ผš
It๎˜ is๎˜ a๎˜ part๎˜ providing๎˜ protection๎˜ against๎˜ electrical๎˜
shock๎˜ and๎˜ ensuring๎˜ the๎˜ minimum๎˜ required๎˜ air๎˜ and๎˜
creepage๎˜distances.
Cap
๏ผš
Uncapped๎˜condition๎˜for๎˜CAT๎˜II๎˜environment
Capped๎˜condition๎˜for๎˜CAT๎˜III/๎˜IV๎˜environments
The๎˜Cap๎˜shuld๎˜be๎˜๏ฌrmly๎˜attached๎˜to๎˜the๎˜probes.
When๎˜the๎˜ instrument๎˜ and๎˜ the๎˜ test๎˜lead๎˜ are๎˜ combined๎˜
and๎˜used๎˜together,๎˜whichever๎˜lower๎˜category๎˜either๎˜of๎˜
them๎˜belongs๎˜to๎˜will๎˜be๎˜applied.
Cap
Protective fingerguard
5-4. DC Voltage Measurement
โ€ƒ
DANGER
โ—
๎˜Never๎˜ make๎˜ measurement๎˜ on๎˜ a๎˜ circuit๎˜ in๎˜ which๎˜
voltage๎˜ over๎˜ DC600V๎˜ exists๎˜ to๎˜ avoid๎˜ getting๎˜
electrical๎˜shock.
โ—
๎˜Do๎˜ not๎˜make๎˜measurement๎˜with๎˜ the๎˜Battery๎˜Cover๎˜
removed.
โ—
๎˜
Keep๎˜your๎˜fingers๎˜behind๎˜the๎˜protective๎˜figerguard๎˜
on๎˜the๎˜instrument๎˜during๎˜measurement.
(1)๎˜Set๎˜the๎˜Function๎˜Switch๎˜to๎˜๎˜"
DCV
"๎˜๎˜position.๎˜
(2)๎˜๎˜๎˜Connect๎˜the๎˜red๎˜test๎˜lead๎˜to๎˜V/
ฮฉ
๎˜terminal๎˜and๎˜the๎˜
black๎˜test๎˜lead๎˜to๎˜COM๎˜terminal.
(3)๎˜๎˜๎˜Connect๎˜ the๎˜ red๎˜ and๎˜ black๎˜ test๎˜ leads๎˜ to๎˜ the๎˜
positive๎˜ (+)and๎˜ negative๎˜ (-)๎˜ sides๎˜ of๎˜ the๎˜ circuit๎˜
under๎˜ test๎˜ respectively.๎˜ Take๎˜ the๎˜ reading๎˜ on๎˜ the๎˜
display.๎˜ If๎˜ the๎˜ connection๎˜ is๎˜ reversed,๎˜ the๎˜ display๎˜
indicates๎˜the๎˜๎˜"-"๎˜๎˜mark.
5-5. Resistance/ Cont/ Diode Measurement
โ€ƒ
DANGER
โ—
Never๎˜use๎˜the๎˜instrument๎˜on๎˜an๎˜energized๎˜circuit.
โ—
๎˜Do๎˜ not๎˜ make๎˜ measurement๎˜ with๎˜ the๎˜ Battery๎˜
Cover๎˜removed.
Resistance
(1)๎˜๎˜๎˜Set๎˜ the๎˜ Function๎˜ Switch๎˜ to๎˜ ๎˜ "
ฮฉ/ Cont/ Diode
"๎˜๎˜
position.
(2)๎˜๎˜๎˜Connect๎˜the๎˜red๎˜test๎˜lead๎˜to๎˜V/
ฮฉ
๎˜terminal๎˜and๎˜the๎˜
black๎˜ test๎˜ lead๎˜ to๎˜ COM๎˜ terminal.๎˜ Confirm๎˜ "OL"๎˜ is๎˜
indicated๎˜on๎˜ the๎˜display,๎˜and๎˜ then๎˜short-circuit๎˜the๎˜
tips๎˜of๎˜test๎˜leads๎˜to๎˜make๎˜the๎˜indication๎˜zero.
(3)๎˜๎˜๎˜Connect๎˜ the๎˜ test๎˜ leads๎˜ to๎˜ the๎˜ both๎˜ ends๎˜ of๎˜ the๎˜
resistor๎˜under๎˜test.
(4)๎˜Take๎˜the๎˜reading๎˜on๎˜the๎˜display.
โ€ƒ
CAUTION
โ—
๎˜
Even๎˜if๎˜ short๎˜the๎˜ test๎˜lead๎˜ tips,๎˜indicated๎˜value๎˜
may๎˜ not๎˜ be๎˜ zero.๎˜ But๎˜ this๎˜ is๎˜ because๎˜ of๎˜ the๎˜
resistance๎˜of๎˜test๎˜leads๎˜and๎˜not๎˜a๎˜failure.๎˜
โ—
๎˜When๎˜test๎˜leads๎˜are๎˜open,๎˜๎˜"OL"๎˜๎˜is๎˜indicated๎˜on๎˜
the๎˜๎˜display.
โ—
๎˜Keep๎˜ your๎˜ fingers๎˜and๎˜ hands๎˜ behind๎˜the๎˜ barrier๎˜
during๎˜measurement.
Continuity
(1)๎˜๎˜๎˜Set๎˜ the๎˜ Function๎˜ Switch๎˜ to๎˜ ๎˜ "
ฮฉ/ Cont/ Diode
"๎˜๎˜
position.๎˜ "
ฮฉ
"๎˜ ๎˜ has๎˜ been๎˜selected๎˜ by๎˜ default;๎˜ press๎˜
the๎˜SELECT๎˜๎˜key๎˜to๎˜change๎˜it๎˜to๎˜๎˜"
Continuity
"๎˜.
Resistance Cont Diodeโ‡จ โ‡จ
๎˜๎˜
(2)๎˜๎˜๎˜Connect๎˜the๎˜red๎˜test๎˜lead๎˜to๎˜V/
ฮฉ
๎˜terminal๎˜and๎˜the๎˜
black๎˜ test๎˜ lead๎˜ to๎˜ COM๎˜ terminal.๎˜ Confirm๎˜ "
OL
"๎˜ is๎˜
indicated๎˜ on๎˜ the๎˜ display๎˜ and๎˜ short-circuit๎˜ the๎˜ tips๎˜
of๎˜ test๎˜ leads.๎˜ Indication๎˜ should๎˜ become๎˜ zero๎˜ and๎˜
buzzer๎˜sounds.
(3)๎˜๎˜๎˜Connect๎˜ the๎˜ test๎˜ leads๎˜ to๎˜ the๎˜ both๎˜ ends๎˜ of๎˜ the๎˜
conductor๎˜ under๎˜ test.๎˜ The๎˜ buzzer๎˜ sounds,๎˜ if๎˜ the๎˜
resistance๎˜under๎˜test๎˜is๎˜100
ฮฉ
๎˜or๎˜less.
Diode
(1)๎˜๎˜๎˜Set๎˜ the๎˜ Function๎˜ Switch๎˜ to๎˜ "
ฮฉ/ Cont/ Diode
"๎˜
position.๎˜ "
ฮฉ
"๎˜ has๎˜ been๎˜ selected๎˜ by๎˜ default;๎˜ press๎˜
the๎˜SELECT๎˜key๎˜to๎˜change๎˜it๎˜to๎˜"
Diode
"๎˜
Resistance Cont Diodeโ‡จ โ‡จ
(2)๎˜๎˜๎˜Connect๎˜the๎˜red๎˜test๎˜lead๎˜to๎˜V/
ฮฉ
๎˜terminal๎˜and๎˜the๎˜
black๎˜test๎˜lead๎˜to๎˜COM๎˜terminal.
(3)๎˜๎˜๎˜Connect๎˜the๎˜red๎˜and๎˜black๎˜test๎˜leads๎˜to๎˜the๎˜Anode๎˜
and๎˜ Cathode๎˜ of๎˜ the๎˜ diode๎˜ under๎˜ test๎˜ respectively.๎˜
Take๎˜ the๎˜ reading๎˜on๎˜ the๎˜ display.๎˜ If๎˜ the๎˜connection๎˜
is๎˜reversed,๎˜the๎˜display๎˜indicates๎˜"
OL
"๎˜.
โ€ƒ
CAUTION
โ—
๎˜Some๎˜ of๎˜diodes๎˜ cannot๎˜be๎˜ tested.๎˜Indication๎˜ on๎˜
the๎˜display๎˜ will๎˜be๎˜"OL"๎˜.
โ€ƒ
๎˜
(Zener๎˜diode,๎˜ LED๎˜and๎˜
so๎˜on)
6. Other functions
6-1. Sleep Function
(1)๎˜๎˜๎˜This๎˜ is๎˜ a๎˜ function๎˜ to๎˜ prevent๎˜ the๎˜ instrument๎˜ from๎˜
being๎˜left๎˜powered๎˜on๎˜in๎˜order๎˜to๎˜conserve๎˜battery๎˜
life.๎˜
๎˜๎˜๎˜๎˜๎˜๎˜๎˜This๎˜ function๎˜ causes๎˜ the๎˜ instrument๎˜ to๎˜ enter๎˜
Sleep๎˜ mode๎˜ about๎˜ 15๎˜ minutes๎˜ after๎˜ the๎˜ last๎˜
key๎˜ operation.๎˜ To๎˜ exit๎˜ the๎˜ Sleep๎˜ mode,๎˜ turn๎˜ the๎˜
Function๎˜switch๎˜to๎˜"
OFF
",๎˜then๎˜to๎˜any๎˜other๎˜position,๎˜
or๎˜press๎˜any๎˜Key.
(2)๎˜๎˜Sleep๎˜Function๎˜is๎˜disabled๎˜when;๎˜MIN/MAX
๎˜๎˜๎˜๎˜๎˜๎˜๎˜Function๎˜ is๎˜ selected.๎˜ Continuous๎˜ measurement๎˜ is๎˜
made๎˜ with๎˜ the๎˜ Sleep๎˜ Function๎˜ being๎˜ disabled.๎˜ To๎˜
activate๎˜ Sleep๎˜ Function๎˜ again,๎˜ disable๎˜ the๎˜ MIN/
MAX๎˜Function.
โ€ƒ
CAUTION
โ—
๎˜The๎˜ instrument๎˜ consumes๎˜ small๎˜ amount๎˜ of๎˜
battery๎˜ power๎˜ in๎˜ the๎˜ Sleep๎˜ mode.๎˜ Set๎˜ the๎˜
Function๎˜Switch๎˜to๎˜the๎˜OFF๎˜position๎˜after๎˜use.
6-2. HOLD Key
(1)๎˜Data๎˜Hold๎˜Function
๎˜๎˜๎˜๎˜๎˜๎˜This๎˜ is๎˜ a๎˜ function๎˜ to๎˜ freeze๎˜ the๎˜ measured๎˜ value๎˜
on๎˜ the๎˜ display.๎˜ Press๎˜the๎˜ "HOLD"๎˜ key๎˜ to๎˜ freeze๎˜ the๎˜
reading.๎˜
๎˜๎˜๎˜๎˜๎˜๎˜The๎˜ reading๎˜ will๎˜ be๎˜ held๎˜ regardless๎˜ of๎˜ subsequent๎˜
variation๎˜in๎˜input.๎˜"
H
"๎˜is๎˜indicated๎˜on๎˜the๎˜upper๎˜left๎˜
corner๎˜of๎˜the๎˜ display๎˜while๎˜the๎˜ instrument๎˜is๎˜ in๎˜the๎˜
Data๎˜Hold๎˜mode.๎˜To๎˜exit๎˜Data๎˜Hold๎˜mode,๎˜press๎˜the๎˜๎˜
"HOLD"๎˜๎˜key๎˜again.
โ€ƒ
CAUTION
โ—
๎˜Held๎˜ readings๎˜ are๎˜ released๎˜ when๎˜ Sleep๎˜
Function๎˜is๎˜activated๎˜while๎˜the๎˜instrument๎˜is๎˜in๎˜
the๎˜Data๎˜Hold๎˜mode.
(2)๎˜Backlight๎˜ON/OFF
๎˜๎˜๎˜๎˜๎˜๎˜Pressing๎˜the๎˜HOLD๎˜key๎˜2๎˜sec๎˜or๎˜more๎˜lights๎˜up๎˜the๎˜
Backlight.๎˜ Pressing๎˜ the๎˜ HOLD๎˜ key๎˜ 2๎˜ sec๎˜ or๎˜ more๎˜
again๎˜turns๎˜off๎˜the๎˜Backlight.
6-3. NCV Function
Red๎˜ LED๎˜ on๎˜ the๎˜ upper๎˜ area๎˜ on๎˜ the๎˜ Panel๎˜ lights๎˜ up๎˜
at๎˜ all๎˜ functions๎˜ except๎˜ for๎˜ OFF๎˜ when๎˜ electric๎˜ field๎˜
exceeding๎˜ 100V๎˜ is๎˜ detected๎˜ by๎˜ the๎˜ sensor๎˜ installed๎˜ in๎˜
the๎˜Jaws.๎˜
It๎˜ indic ates๎˜ a๎˜ pre se nce๎˜ o f๎˜
voltage๎˜in๎˜an๎˜electrical๎˜circuit๎˜
or๎˜ equipment๎˜ without๎˜ touching๎˜
them.
N C V ๎˜ S e n s o r๎˜ c a n ๎˜ d e t e c t๎˜
electrical๎˜ field๎˜ only๎˜ from๎˜ the๎˜
direction๎˜ indicated๎˜ in๎˜ the๎˜right๎˜
figure.
Put๎˜ the๎˜ fixed๎˜ element๎˜ (left๎˜
side)๎˜ closer๎˜ to๎˜ the๎˜ conductor๎˜
under๎˜test.
Detection๎˜ agai nst๎˜ i n-wall๎˜
outlet๎˜is๎˜impossible.
โ€ƒ
DANGER
โ—
๎˜
The๎˜ LED๎˜ may๎˜ not๎˜ light๎˜ up๎˜ due๎˜ to๎˜ installation๎˜
condition๎˜of๎˜electrical๎˜circuit๎˜or๎˜equipment.๎˜๎˜๎˜Never๎˜
touch๎˜ the๎˜ circuit๎˜ under๎˜ test๎˜ to๎˜ avoid๎˜ possible๎˜
danger๎˜even๎˜if๎˜the๎˜LED๎˜for๎˜NCV๎˜doesn
๎ขŸ
t๎˜light๎˜up.
โ—
๎˜
Check๎˜ the๎˜ functionality๎˜ of๎˜ LED๎˜ on๎˜ a๎˜ well-known๎˜
power๎˜supply๎˜prior๎˜to๎˜measurement.๎˜When๎˜the๎˜LED๎˜
doesn
๎ขŸ
t๎˜light๎˜up,๎˜do๎˜not๎˜make๎˜measurement.
โ—
๎˜NCV๎˜ indication๎˜ is๎˜ affected๎˜ by๎˜ external๎˜ voltage,๎˜
how๎˜to๎˜hold๎˜or๎˜place๎˜the๎˜instrument.
โ—
๎˜Keep๎˜ your๎˜ fingers๎˜ and๎˜ hands๎˜ behind๎˜ the๎˜ barrier๎˜
during๎˜measurement.
6-4. MIN/MAX Function
โ€ƒ
CAUTION
โ—
๎˜SELECT,๎˜ ZERO,๎˜ Hz/DUTY๎˜ keys๎˜ are๎˜ disabled๎˜
whileMIN/MAX๎˜Function๎˜is๎˜being๎˜activated.
(1)๎˜๎˜
AC/DC Current Range
๎˜๎˜๎˜๎˜๎˜๎˜Pressing๎˜ the๎˜ MIN/MAX๎˜ Key๎˜ at๎˜ 600A๎˜ &๎˜ 1000A๎˜
Function๎˜ enables๎˜ min๎˜ or๎˜ max๎˜ value๎˜ measurement.๎˜
Press๎˜the๎˜ MIN/MAX๎˜Key๎˜ to๎˜select๎˜MAX๎˜ or๎˜MIN.๎˜The๎˜
max๎˜ or๎˜min๎˜ value๎˜within๎˜ measuring๎˜ range๎˜is๎˜ being๎˜
held๎˜ until๎˜ this๎˜ function๎˜ is๎˜ disabled.๎˜ "MIN"๎˜ or๎˜ "MAX"๎˜๎˜
is๎˜ indicated๎˜ on๎˜ the๎˜ display๎˜ while๎˜ this๎˜ function๎˜ is๎˜
being๎˜ activated.๎˜ To๎˜ disable๎˜ this๎˜ function,๎˜ press๎˜
down๎˜ the๎˜ MIN/MAX๎˜ Key๎˜ at๎˜ least๎˜ 2๎˜ sec๎˜ or๎˜ change๎˜
functions.
(2)๎˜
AC/DC Voltage Range
๎˜
โ€ƒ
CAUTION
โ—
๎˜Pressing๎˜ the๎˜ MIN/MAX๎˜ Key๎˜ without๎˜ applying๎˜
voltage๎˜ disables๎˜ the๎˜ Auto-ranging๎˜ function๎˜ and๎˜
fixes๎˜ the๎˜ Range๎˜ to๎˜ 6V.๎˜ Connect๎˜ the๎˜ test๎˜ leads๎˜ to๎˜
the๎˜ circuit๎˜ under๎˜ test๎˜ and๎˜press๎˜ the๎˜ MIN/MAX๎˜ Key๎˜
after๎˜ an๎˜ appropriate๎˜ range๎˜ is๎˜ selected๎˜ by๎˜ Auto-
ranging๎˜function.
Pressing๎˜ the๎˜ MIN/MAX๎˜ Key๎˜ enables๎˜ min๎˜ or๎˜ max๎˜ value๎˜
measurement.๎˜ Press๎˜ the๎˜ MIN/MAX๎˜ Key๎˜ to๎˜ select๎˜ MAX๎˜
or๎˜MIN.๎˜The๎˜max๎˜or๎˜min๎˜value๎˜within๎˜measuring๎˜range๎˜
is๎˜ being๎˜ held๎˜ until๎˜ this๎˜ function๎˜ is๎˜ disabled.๎˜ "MIN"๎˜ or๎˜๎˜๎˜
"MAX"๎˜is๎˜indicated๎˜on๎˜the๎˜display๎˜while๎˜this๎˜function๎˜is๎˜
being๎˜activated.
To๎˜disable๎˜this๎˜function,๎˜press๎˜down๎˜the๎˜MIN/MAX๎˜Key๎˜๎˜
at๎˜least๎˜2๎˜sec๎˜or๎˜change๎˜functions.
6-5. ZERO Function
โ€ƒ
CAUTION
โ—
๎˜
MIN/MAX,๎˜ PEAK๎˜ keys๎˜ are๎˜ disabled๎˜ while๎˜ ZERO๎˜
Function๎˜is๎˜being๎˜activated.
Zero๎˜ Adjustment๎˜Function๎˜ at๎˜ Current๎˜Range๎˜ "
ฮ”
"๎˜ mark๎˜
is๎˜to๎˜be๎˜indicated๎˜at๎˜the๎˜upper๎˜right๎˜on๎˜the๎˜display๎˜while๎˜
ZERO๎˜function๎˜is๎˜being๎˜operated.๎˜Indication๎˜of๎˜relative๎˜
value๎˜ at๎˜ Current,๎˜ Voltage,๎˜ Resistance:๎˜ Pressing๎˜ the๎˜
ZERO๎˜ Key๎˜ indicates๎˜ REL๎˜ (relative๎˜ value)๎˜ Press๎˜ the๎˜
ZERO๎˜ Key๎˜ to๎˜ save๎˜ the๎˜ initial๎˜ value๎˜ at๎˜ the๎˜ start๎˜ of๎˜
measurement๎˜as๎˜a๎˜reference๎˜value.๎˜Then๎˜the๎˜difference๎˜
between๎˜ the๎˜ later๎˜ measured๎˜ values๎˜and๎˜ the๎˜ reference๎˜
value๎˜is๎˜indicated๎˜on๎˜the๎˜display.๎˜
The๎˜ Auto-ranging๎˜ function๎˜ is๎˜ disabled,๎˜ while๎˜ this๎˜
function๎˜ is๎˜being๎˜ activated,๎˜and๎˜ the๎˜ Range๎˜is๎˜ fixed๎˜ to๎˜
the๎˜Range๎˜selected๎˜at๎˜the๎˜start๎˜of๎˜measurement.๎˜
Relative๎˜value๎˜is๎˜indicated๎˜within๎˜following๎˜ranges.
๏ผˆ
Measuring๎˜range
๏ผ‰
=(Full-scale๎˜value๎˜at๎˜the๎˜fixed๎˜Range)๎˜โ€’๎˜(Initial๎˜value)
To๎˜disable๎˜this๎˜ function,๎˜press๎˜ down๎˜the๎˜MIN/MAX๎˜Key๎˜
at๎˜least๎˜2๎˜sec๎˜or๎˜change๎˜functions.
6-6. Over-flow indication
When๎˜ the๎˜ input๎˜ exceeds๎˜ the๎˜ measuring๎˜ range๎˜ at๎˜ each๎˜
Function๎˜other๎˜than๎˜Voltage๎˜and๎˜1000A๎˜Range,๎˜"OL"๎˜or๎˜
"-OL"๎˜is๎˜indicated๎˜on๎˜the๎˜display.
7. Battery Replacement
โ€ƒ
WARNING
โ—
๎˜
MIN/MAX,๎˜ PEAK๎˜keys๎˜ are๎˜disabled๎˜ while๎˜ ZERO๎˜
Function๎˜is๎˜being๎˜activated.
โ€ƒ
CAUTION
โ—
๎˜
Do๎˜not๎˜mix๎˜old๎˜and๎˜new๎˜batteries.
โ—
๎˜
Install๎˜batteries๎˜in๎˜correct๎˜polarity๎˜as๎˜indicated๎˜
in๎˜the๎˜Battery๎˜Compartment.
Replace๎˜ the๎˜ batteries๎˜ when๎˜ a๎˜ Low๎˜ Battery๎˜
Voltage๎˜warning๎˜ "BATT"๎˜ mark๎˜ is๎˜ indicated๎˜on๎˜ the๎˜
display.๎˜ Note๎˜ that๎˜ when๎˜ the๎˜ battery๎˜ is๎˜ completely๎˜
exhausted,๎˜the๎˜display๎˜blanks๎˜without๎˜"
BATT
"๎˜mark๎˜
shown.
(1)๎˜Set๎˜the๎˜Function๎˜Switch๎˜to๎˜๎˜"OFF"๎˜๎˜position.
(2)๎˜๎˜๎˜๎˜Unscrew๎˜ and๎˜ remove๎˜ the๎˜ Battery๎˜ Compartment๎˜
Cover๎˜on๎˜the๎˜bottom๎˜of๎˜the๎˜instrument.
(3)๎˜๎˜๎˜๎˜Replace๎˜ the๎˜ batteries๎˜ observing๎˜ correct๎˜ polarity.๎˜
Use๎˜new๎˜R03๎˜(AAA)๎˜or๎˜LR03๎˜/๎˜1.5V๎˜batteries.
(4)๎˜๎˜๎˜๎˜Install๎˜ the๎˜ Battery๎˜ Compartment๎˜ and๎˜ tighten๎˜ the๎˜
screws.
(2)๎˜๎˜๎˜With๎˜ the๎˜ transformer๎˜ jaws๎˜ closed๎˜ and๎˜ without๎˜
clamping๎˜ them๎˜ onto๎˜ the๎˜ conductor,๎˜ press๎˜ the๎˜๎˜
"
ZERO
"๎˜ key๎˜ to๎˜ zero๎˜ adjust๎˜ the๎˜ display.๎˜ (mark๎˜ is๎˜
displayed๎˜at๎˜the๎˜upper๎˜right๎˜on๎˜the๎˜display.)
(3)๎˜๎˜๎˜Press๎˜the๎˜trigger๎˜to๎˜open๎˜the๎˜transformer๎˜jaws๎˜and๎˜
clamp๎˜them๎˜ onto๎˜the๎˜ one๎˜conductor๎˜ under๎˜test,๎˜ the๎˜
conductor๎˜should๎˜be๎˜at๎˜the๎˜center๎˜of๎˜the๎˜jaws,๎˜then๎˜
take๎˜the๎˜reading๎˜on๎˜the๎˜display.
(4)๎˜๎˜๎˜Set๎˜ the๎˜Function๎˜ Switch๎˜ to๎˜ an๎˜appropriate๎˜ position๎˜
according๎˜to๎˜current๎˜under๎˜test.
(5)๎˜๎˜๎˜Pressing๎˜ the๎˜ ๎˜ "
ZERO
"๎˜ ๎˜ key๎˜ again๎˜ releases๎˜ ๎˜ "
ZERO
"๎˜๎˜
function.๎˜ (mark๎˜ at๎˜ the๎˜ upper๎˜ right๎˜ on๎˜ the๎˜ display๎˜
disappears.)
โ€ƒ
CAUTION
โ—
๎˜When๎˜ the๎˜ current๎˜ flows๎˜ from๎˜ the๎˜ upside๎˜ (the๎˜
display๎˜side)๎˜to๎˜the๎˜underside๎˜of๎˜the๎˜instrument,๎˜the๎˜
polarity๎˜of๎˜the๎˜reading๎˜is๎˜positive๎˜and๎˜vice๎˜versa.
5-3. AC Voltage Measurement
โ€ƒ
DANGER
โ—
๎˜Never๎˜ make๎˜ measurement๎˜ on๎˜ a๎˜ circuit๎˜ in๎˜ which๎˜
voltage๎˜ over๎˜ AC600V๎˜ exists๎˜ to๎˜ avoid๎˜ getting๎˜
electrical๎˜shock.
โ—
๎˜Do๎˜ not๎˜make๎˜ measurement๎˜with๎˜the๎˜ Battery๎˜Cover๎˜
removed.
โ—
๎˜K e e p ๎˜ yo u r๎˜ f i ng e r s๎˜ b e h i n d๎˜ t h e๎˜ p r o t e c t i ve๎˜
fingerguard๎˜on๎˜the๎˜instrument๎˜during๎˜measurement.
(1)๎˜๎˜Set๎˜the๎˜Function๎˜Switch๎˜to๎˜๎˜"
ACV
"๎˜๎˜position.
(2)๎˜๎˜๎˜Connect๎˜the๎˜red๎˜test๎˜lead๎˜to๎˜V/
ฮฉ
๎˜terminal๎˜and๎˜the๎˜
black๎˜test๎˜lead๎˜to๎˜COM๎˜terminal.
(3)๎˜๎˜๎˜Connect๎˜ the๎˜ test๎˜ leads๎˜ to๎˜ the๎˜ circuit๎˜ under๎˜ test.๎˜
Take๎˜ the๎˜ reading๎˜ on๎˜ the๎˜ display.๎˜ Pressing๎˜ the๎˜๎˜
"
Hz/DUTY
"๎˜ ๎˜ key๎˜ while๎˜ reading๎˜ is๎˜ indicated๎˜ on๎˜
the๎˜ display๎˜ switches๎˜ the๎˜ indication๎˜ in๎˜ following๎˜
sequence.
โ€ƒ
AC Voltage Hz DUTYโ‡จ โ‡จ
โ€ƒ
CAUTION
โ—
Hz/DUTY๎˜Function๎˜requires๎˜AC40V๎˜or๎˜higher.๎˜
โ—
๎˜To๎˜ measure๎˜ a๎˜ frequency,๎˜ measure๎˜ the๎˜ voltage๎˜ on๎˜
the๎˜electrical๎˜circuit๎˜in๎˜advance.
โ—
๎˜Then๎˜ press๎˜ the๎˜ Hz/DUTY๎˜ key๎˜ to๎˜ enter๎˜ into๎˜
frequency๎˜measurement.
โ—
๎˜Readings๎˜ of๎˜ frequency๎˜ may๎˜ fluctuate๎˜ or๎˜ be๎˜
influenced๎˜under๎˜noisy๎˜environment.
Anode
Cathode
92-1801D12-18
8. Maintenance
โ—
Cleaning
Use๎˜ a๎˜ cloth๎˜ dipped๎˜ in๎˜ water๎˜ or๎˜ neutral๎˜ detergent๎˜ for๎˜
cleaning๎˜the๎˜instrument.
Do๎˜not๎˜use๎˜abrasives๎˜or๎˜solvents.๎˜Otherwise,๎˜instrument๎˜
get๎˜damaged,๎˜deformed๎˜or๎˜discolored.๎˜


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Marke: Kyoritsu
Kategorie: Multimeter
Modell: KEW 2055

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