Kyoritsu KEW 2055 Bedienungsanleitung
Kyoritsu
Multimeter
KEW 2055
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INSTRUCTION MANUAL
DIGITAL CLAMP METER
KEW 2055
๏ผ๏ผFeatures
โ
Designed๎to๎meet๎international๎safety๎standards.
โ
IEC61010-1.IEC61010-031:2002๎&๎IEC61010-2-032๎
โ
Measurement๎Category๎(CAT)๎IV๎600V
โ
Pollution๎Degree๎2
โ
๎Double๎ molded๎ main๎ body๎ provides๎ comfortable๎
๎
single๎handed๎grip
โ
โ
Data๎Hold๎Function
โ
๎LCD๎ Backlight๎ function๎ to๎ facilitate๎ working๎ at๎
dimly๎lit๎situations.๎
โ
REL๎function๎to๎indicate๎measurement๎variation.
โ
(Current,๎voltage,๎Resistance๎measurement)
โ
๎MIN/MAX๎ function๎ enables๎ easy๎ reading๎ of๎ min๎ &๎
max๎value๎during๎measurement.
โ
With๎Continuity๎&๎Diode๎Check๎Function
โ
๎NCV
๏ผ
Non๎ Contact๎ Voltage
๏ผ
Function๎ for๎ wiring๎๎๎
check.
โ
600V๎input๎protection.
โ
Sleep๎function๎to๎extend๎battery๎life.
โ
With๎Bar๎Graph,๎6039๎counts
2. Safety Warnings
This๎ instrument๎ has๎ been๎ designed,๎ manufactured๎ and๎
tested๎according๎to๎IEC๎61010:๎Safety๎requirements๎for๎
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
safe๎operation๎ of๎ the๎ instrument๎ and๎ retain๎ it๎ in๎ safe๎
condition.๎
Therefore,๎ read๎ through๎ these๎ operating๎ instructions๎
before๎using๎the๎instrument.
โ
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
reference๎whenever๎necessary.
โ
๎The๎instrument๎is๎to๎be๎used๎only๎in๎its๎intended๎
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
instructions๎contained๎in๎the๎manual.
Failure๎ to๎follow๎ 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
contradiction๎to๎this๎cautionary๎note.๎
The๎symbol๎ ๎indicated๎on๎the๎instrument๎means๎that๎
the๎user๎must๎refer๎to๎the๎related๎parts๎in๎the๎manual๎
for๎safe๎ operation๎ of๎the๎ instrument.๎ It๎ is๎essential๎ to๎
read๎ the๎ instructions๎ wherever๎ the๎ ๎ symbol๎ appears๎
in๎the๎manual.
๎๎๎
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.
User๎must๎refer๎to๎the๎manual.
Instrument๎with๎double๎or๎reinforced๎insulation
Indicates๎ that๎ this๎ instrument๎ can๎ clamp๎ on๎
bare๎ conductors๎ when๎ measuring๎ a๎ voltage๎
corresponding๎ to๎ the๎ applicable๎ measurement๎
category,๎which๎is๎marked๎next๎to๎this๎symbol.
AC
๎ DC
AC๎&๎DC
This๎instrument๎satisfies๎the๎marking๎requirement๎
defined๎ in๎ the๎ WEEE๎ Directive๎ (2002/96/EC).๎
This๎ symbol๎ indicates๎ separate๎ collection๎ for๎
electrical๎and๎electronic๎equipment.
โ
DANGER
โ
๎Never๎ make๎ measurement๎ on๎ a๎ circuit๎ in๎ which๎
voltage๎over๎AC600V๎exists.
โ
๎Do๎ not๎ attempt๎ to๎ make๎ measurement๎ in๎ the๎
presence๎of๎ flammable๎ gasses.๎ Otherwise,๎ the๎ use๎
of๎ the๎ instrument๎ may๎ cause๎ sparking,๎ which๎ can๎
lead๎to๎an๎explosion.
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
possibility๎of๎shorting.
โ
๎Never๎attempt๎to๎use๎the๎instrument๎if๎its๎surface๎
or๎your๎hand๎is๎wet.
โ
๎Do๎ not๎ exceed๎ the๎ maximum๎ allowable๎ input๎ of๎
any๎measuring๎range.
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
functions๎equipped๎with๎the๎instrument๎doesn
๎ข
t๎work,๎
and๎ instrument๎ damage๎ or๎ serious๎ personal๎ injury๎
may๎be๎caused.
โ
๎Verify๎ proper๎ operation๎ on๎a๎ known๎ source๎ before๎
use๎ or๎ taking๎ action๎ as๎ a๎ result๎ indication๎ of๎ the๎
instrument.
โ
๎Keep๎your๎fingers๎and๎hands๎behind๎the๎protective๎
fingerguard๎during๎measurement.
โ
WARNING
โ
๎๎Never๎ attempt๎ to๎ make๎ measurement๎ if๎ any๎
abnormal๎ conditions,๎ such๎ as๎ broken๎ case๎ and๎
exposed๎metal๎parts๎are๎found๎on๎the๎instrument.
โ
โ
๎Do๎ not๎ rotate๎ the๎ Function๎ Switch๎ while๎ the๎ test๎
leads๎are๎being๎connected.
โ
๎๎Do๎ not๎ install๎ substitute๎ parts๎ or๎ make๎ any๎
modification๎ to๎ the๎ instrument.๎ For๎ repair๎ or๎
re-calibration,๎ return๎ the๎ instrument๎ to๎ your๎ local๎
distributor๎from๎where๎it๎was๎purchased.
โ
๎๎Do๎not๎ try๎ to๎ replace๎ the๎ batteries๎ if๎ the๎ surface๎
of๎the๎instrument๎is๎wet.
โ
๎Disconnect๎ all๎ the๎ cords๎ and๎ cables๎ from๎ the๎
object๎ under๎ test๎ and๎ power๎ off๎the๎ instrument๎
before๎ opening๎ the๎ Battery๎ Cover๎ for๎ Battery๎
replacement.
โ
๎Verify๎ proper๎ operation๎ on๎a๎ known๎ source๎ before๎
use๎or๎taking๎action๎as๎a๎result๎of๎the๎indication๎of๎
the๎instrument.
โ
๎Use๎ appropriate๎ personal๎ protective๎ equipment๎
such๎ as๎ insulating๎ gloves,๎ Insulating๎ boots,๎ and๎
safety๎glasses.
โ
๎Stop๎ using๎ the๎ test๎ lead๎ if๎ the๎ outer๎ jacket๎ is๎
damaged๎ and๎ the๎ inner๎ metal๎ or๎ color๎ jacket๎ is๎
exposed.
๎
โ
CAUTION
โ
๎Set๎the๎Function๎Switch๎to๎an๎appropriate๎position๎
before๎starting๎measurement.
โ
โ
๎Firmly๎insert๎the๎test๎leads.
โ
โ
๎Disconnect๎the๎test๎leads๎from๎the๎instrument๎๎for๎
current๎measurement.
โ
โ
๎Do๎ not๎ expose๎the๎ instrument๎ to๎ the๎ direct๎ sun,๎
high๎temperature๎and๎humidity๎or๎dewfall.
โ
โ
๎Altitude๎ 2000m๎ or๎ less.๎ Appropriate๎ operating๎
temperature๎is๎within๎0
โ
๎and๎40
โ
.
โ
๎This๎ instrument๎ isn
๎ข
t๎ dust๎ &๎ water๎ proofed.๎ Keep๎
away๎from๎dust๎and๎water.
โ
๎Be๎ sure๎ to๎ power๎ off๎ the๎ instrument๎ after๎ use.๎
When๎the๎instrument๎will๎ not๎be๎in๎ use๎for๎a๎ long๎
period,๎ place๎ it๎ in๎ storage๎ after๎ removing๎ the๎
batteries.
โ
๎Use๎ a๎ cloth๎ dipped๎ in๎ water๎ or๎ neutral๎detergent๎
for๎ cleaning๎ the๎ instrument.๎ Do๎ not๎ use๎ abrasives๎
or๎solvents.
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
greater๎momentary๎ energy,๎so๎ a๎ measuring๎instrument๎
designed๎for๎CAT๎ III๎ environments๎can๎endure๎ greater๎
momentary๎energy๎than๎one๎designed๎for๎CAT๎II.
๎๎๎O
:๎๎Circuits๎ which๎ are๎ not๎ directly๎ connected๎
to๎the๎mains๎power๎supply.๎
๎๎๎CAT II
:๎๎Electrical๎ circuits๎ of๎ equipment๎ connected๎
to๎an๎AC๎electrical๎outlet๎by๎a๎power๎cord.
๎๎๎CAT III
:๎๎Primary๎ electrical๎ circuits๎ of๎ the๎
equipment๎ connected๎ directly๎ to๎ the๎
distribution๎ panel,๎ and๎ feeders๎ from๎ the๎
distribution๎panel๎to๎outlets.
๎๎๎CAT IV
:๎๎The๎ circuit๎ from๎ the๎ service๎ drop๎ to๎ the๎
service๎ entrance,๎ and๎ to๎ the๎ power๎ meter๎
and๎primary๎over-current๎protection๎device๎
(distribution๎panel).
3. Specification
3-1. Measuring range & accuracy
(accuracy๎guaranteed๎at๎23
โ ยฑ
5
โ
๎.humidity๎45
ใ
85%)
AC๎Current๎600A,๎1000A๎Function
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
DC๎Current๎600A,๎1000A๎Function
Function Measuring
Range Accuracy
600A
0-600.0A
ยฑ
1.5%rdg
ยฑ
5dgt
1000A
0-1000A
AC๎Voltage๎Function
๎๎๎๎
๏ผ
Auto-ranging,๎Input๎impedance:๎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
400Hz)
DC๎Voltage๎Function
๎๎๎๎
๏ผ
Auto-ranging,๎Input๎impedance:๎approx.๎10M
ฮฉ๏ผ
Range Measuring
Range Accuracy
600mV/6/
60/600V 0-600.0V
ยฑ
1.0%rdg
ยฑ
3dgt
Resistance
๏ผ
Continuity/Diode๎Check
๏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
Cont๎Buzzer 0-600.0
ฮฉ
Threshold๎value๎:๎60
ฮฉยฑ
30
ฮฉ
๎
Diode Test๎voltage:๎0-2V
Frequency/๎ DUTY๎ Function
๏ผ
Auto-ranging๎ f or๎
Frequency
๏ผ
Range Measuring
Range Accuracy
ACA 40Hz
โ
400Hz
ยฑ
0.5%rdg
ยฑ
5dgt
ACV 1Hz
ใ
10kHz
0.1-99.9%
(Pulse๎width/Pulse๎period)
ยฑ
2.5%rdg
ยฑ
5dgt
Note:๎Measurable๎inputs๎are:๎40Vrms@ACV๎or๎
60Arms@AC600A,๎350A@AC1000A๎Range
3-2. General Specification
โ
Mode๎of๎operation๎
โ
๎:
ฮ
โ๎mode
โ
Display๎ ๎
โ
๎:๎max.๎6039๎counts๎
๎๎
โโโโโ
๎(Frequency:๎9999)๎&๎Bar๎graph
โ
๎
Over-range๎ indication๎ :๎ "OL"๎ displayed๎ when๎ exceeding๎
the๎ measuring๎ range. ๎ (except๎ for๎ AC/DCV๎ and๎ 1000A๎๎๎๎๎๎๎๎๎๎๎๎๎๎๎๎๎๎๎๎๎๎๎๎๎๎๎๎๎๎๎๎
Function)
โ
Range๎switching๎ ๎๎๎๎:๎
โ
Auto-ranging๎/๎Voltage,๎Resistance๎Range
โ
Single๎range๎/๎Continuity,๎Diode๎check๎and๎
DUTY
โ
Sample๎rate๎
โโ
:๎three๎times๎per๎second
โ
๎Functional๎construction๎:๎
โ
OFF/ACA/DCA/ACV/DCV/
ฮฉ
๎
โ
๎Keys๎ ๎ ๎๎๎๎๎๎๎:๎
โ
SELECT(AC/DC๎switching๎&๎/
ฮฉ
/ / ),๎REL
ฮ
,
โ
Hz/DUTY,๎MIN/MAX,๎HOLD/๎Back๎Light๎
โ
๎Power๎source๎ ๎๎๎๎๎๎๎:๎DC3V/๎R03(UM-4)๎x๎2pcs๎
โ
๎Low๎battery๎warning๎๎๎
๎:
๎" "๎mark๎is๎displayed๎at๎
๎ ๎
โโโ
2.4V
ยฑ
0.15V๎or๎less.
โ
๎
Temperature๎ &๎ humidity๎ :๎ 23
โ ยฑ
5
โ
,๎ relative๎ humidity
๎
accuracy๎guaranteed๎๎85%๎or๎less๎(no๎condensation)
โ
๎Operating๎temperature๎๎:0
ใ
40
โ
,๎relative๎humidity๎
โ
&๎humidity๎range๎๎๎๎๎๎๎85%๎or๎less๎(no๎condensation)
โ
Storage๎temperature๎๎๎๎๎ :๎-20
ใ
60
โ
,๎relative๎humidity
๎
โ
&๎humidity๎range๎๎๎๎๎๎๎85%๎or๎less๎(no๎condensation)๎
โ
Current๎consumption๎๎๎๎๎:๎approx.๎12๎mA๎
โ
Sleep๎Function๎:๎Automatically๎powered๎off๎in๎about๎
โ
15๎min๎after๎the๎last๎Function๎switch๎operation.๎
โ
๎Press๎ any๎ key๎ or๎ rotate๎ the๎ Function๎ Switch๎ from๎๎
OFF๎to๎any๎๎position๎to๎exit๎from๎the๎Sleep๎state.
โ
Location๎for๎use
๎๎๎Outdoor๎use,๎Altitude๎up๎๎to๎2000m
โ
Applicable๎Standards๎
โ
IEC๎61010-1,๎61010-2-032,๎61010-2-033
โ
Measurement๎CAT๎IV๎๎600V๎๎Pollution๎degree๎2
โ
IEC๎61010-031
โ
๎๎๎EMC
๏ผ
EN๎61326-1
โใป
EN๎55022
โใป
EN๎61000-4-2๎(performance๎criterion๎B)
โใป
EN๎61000-4-3๎(performance๎criterion๎B)
โ
RoHS
๏ผ
EN๎50581
โ
Overload๎Protection
โ
Current๎Range๎ ๎:1200A๎AC/DC/๎10๎sec๎
โ
Voltage๎Range๎ ๎:๎720V๎AC/DC/๎10sec
โ
Resistance๎Range๎ ๎:๎600V๎AC/DC/๎10sec
โ
Withstand๎Voltage
โ
6720V๎AC๎
๏ผ
TRMS๎50/60Hz
๏ผ
/๎5๎sec
โ
(between๎Jaws๎and๎electrical๎circuit/๎between๎internal
๎
โ
circuit๎and๎enclosure)
โ
Insulation๎Resistance๎๎๎๎:๎10M
ฮฉ
๎or๎more/๎1000V๎
โ๏ผ
between๎electrical๎circuit๎and๎enclosure
๏ผ
โ
Conductor๎size
โ
approx.๎40mm
โ
Dimension
โ
approx.๎254(L)
ร
82(W)
ร
36(D)mm
โ
Weight๎:๎approx.:๎310g๎
โ
Accessories
โ
โ
Test๎Leads๎ Model๎7066A๎/๎1๎set
โ
Battery๎๎๎๎๎๎๎๎๎๎๎๎๎๎๎R03
๏ผ
UM-4
๏ผ
/๎2pcs
โ
Instruction๎manual๎English,๎Japanese๎/๎1pce
โ
Carriyng๎Case๎๎๎๎๎๎Model๎9094/๎1pcs
3-3. Function Keys
The๎๎"
โ
"๎๎mark๎shows๎available๎function๎at๎each๎Range.
DC๎Current๎Measurement๎
HOLD SELECT ZERO Hz/
DUTY MAX/
MIN
ACA
โโโโโ
ACV
โ
-
โโโ
DCA
โโโ
-
โ
DCV
โ
-
โ
-
โ
ฮฉโโโ
-
โ
-
โ
---
-
โ
---
4. Preparation for measurement
4-1. Checking Battery Voltage
Set๎ the๎ Function๎ Switch๎ to๎ any๎ position๎ other๎ than๎๎
"
OFF
"๎.๎When๎ the๎display๎is๎ clear๎without๎ ๎๎ "
BATT
"๎๎๎ mark,๎
showing,๎ battery๎ voltage๎ is๎ enough.๎ When๎ the๎ display๎
is๎ blank๎ or
โ
๎ "
BATT
"๎ ๎ mark๎ is๎ indicated,๎ replace๎ the๎
batteries๎according๎to๎Section๎7,๎Battery๎Replacement.
โ
CAUTION
The๎ Sleep๎ feature๎ automatically๎ powers๎ the๎
instrument๎off๎in๎about๎ 15๎min๎after๎the๎ last๎switch๎
or๎ key๎ operation.๎ Therefore,๎ the๎ display๎ may๎ be๎
blank๎even๎with๎the๎Function๎Switch๎set๎to๎a๎position๎
other๎ than๎ ๎ "
OFF
"๎.๎ To๎ operate๎ the๎ instrument๎ in๎ this๎
case,๎ turn๎ the๎ switch๎ back๎ to๎ the๎ ๎ "
OFF
"๎ ๎ position,๎
then๎to๎any๎other๎position,๎or๎press๎any๎key.๎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
measurement๎mode,๎
and๎ the๎ Data๎ hold๎ function๎ is๎ disabled.๎ Otherwise,๎
desired๎measurement๎cannot๎be๎made.๎
5. Measurement
5-1. AC Current Measurement
โ
DANGER
โ
๎๎Never๎ make๎ measurement๎ on๎ a๎ circuit๎ in๎ which๎
voltage๎ over๎ AC600V๎ exists๎ to๎ avoid๎ getting๎
electrical๎shock.
โ
๎Transformer๎ jaw๎ tips๎ are๎ designed๎ not๎ to๎ short๎
the๎ circuit๎ under๎ test.๎ If๎ equipment๎ under๎ test๎ has๎
exposed๎conductive๎parts,๎however,๎extra๎precaution๎
should๎ be๎ taken๎ to๎ minimize๎ the๎ possibility๎ of๎
shorting.
โ
๎๎Do๎ not๎ make๎ measurement๎ with๎ the๎ Battery๎ Cover๎
removed.
โ
๎Disconnect๎ the๎ test๎ leads๎from๎ the๎ instrument๎ for๎
current๎measurement.
โ
๎Keep๎ your๎fingers๎and๎ hands๎behind๎the๎ barrier๎on๎
the๎instrument๎during๎a๎measurement.
(1)๎๎๎Set๎ the๎ Function๎ Switch๎ to๎ "
600A
"๎ or๎ "
1000A
"๎
position.
๎๎๎๎๎๎AC๎has๎been๎selected๎by๎default;๎press๎the๎SELECT๎
key,๎ when๎ DC๎ has๎ been๎ selected,๎ to๎ change๎ it๎ to๎
AC.๎AC๎ mark๎ is๎displayed๎ at๎ the๎upper๎ left๎ on๎the๎
display.๎
(2)๎๎๎Press๎the๎trigger๎to๎open๎the๎transformer๎jaws๎and๎
clamp๎them๎onto๎the๎one๎conductor๎under๎test,๎then๎
take๎ the๎ reading๎ on๎ the๎ display.๎ Pressing๎ the๎ "
Hz/
DUTY
"๎ Key๎ switches๎ the๎ indication๎ in๎ following๎
sequence.
AC Current
โจ
Hz
โจ
DUTY
Hz/DUTY
๎ Function๎ requires๎ 60A๎ or๎ more๎ at๎ AC600A๎
Range๎and๎350A๎or๎more๎at๎AC1000A๎range.
โ
CAUTION
โ
๎Max๎ conductor๎ size๎ for๎ KEW2055๎ is๎ approx๎
dia.๎ 40mm.๎ During๎ current๎ measurement,๎ keep๎
the๎ trans๎ former๎ jaws๎ fully๎ closed.๎ Other๎ wise,๎
accurate๎measurements๎cannot๎be๎taken.
5-2. DC Current Measurement
โ
DANGER
โ
๎Never๎ make๎ measurement๎ on๎ a๎ circuit๎ in๎ which๎
voltage๎ over๎ DC600V๎ exists๎ to๎ avoid๎ getting๎
electrical๎shock.
โ
๎Do๎not๎make๎measurement๎with๎the๎Battery๎Cover๎
removed.
โ
๎Keep๎your๎fingers๎and๎hands๎behind๎the๎barrier๎on๎
the๎instrument๎during๎a๎measurement.
(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
change๎it๎to๎DC.๎
๎๎๎๎๎๎DC๎ mark๎ is๎ displayed๎ at๎ the๎ upper๎ left๎ on๎ the๎
display.
Barrier
O: Device which is
not directly
connected to the
mains power supply
Protective๎fingerguard๎(Barrier)
๏ผ
It๎ is๎ a๎ part๎ providing๎ protection๎ against๎ electrical๎
shock๎ and๎ ensuring๎ the๎ minimum๎ required๎ air๎ and๎
creepage๎distances.
Cap
๏ผ
Uncapped๎condition๎for๎CAT๎II๎environment
Capped๎condition๎for๎CAT๎III/๎IV๎environments
The๎Cap๎shuld๎be๎๏ฌrmly๎attached๎to๎the๎probes.
When๎the๎ instrument๎ and๎ the๎ test๎lead๎ are๎ combined๎
and๎used๎together,๎whichever๎lower๎category๎either๎of๎
them๎belongs๎to๎will๎be๎applied.
Cap
Protective fingerguard
5-4. DC Voltage Measurement
โ
DANGER
โ
๎Never๎ make๎ measurement๎ on๎ a๎ circuit๎ in๎ which๎
voltage๎ over๎ DC600V๎ exists๎ to๎ avoid๎ getting๎
electrical๎shock.
โ
๎Do๎ not๎make๎measurement๎with๎ the๎Battery๎Cover๎
removed.
โ
๎
Keep๎your๎fingers๎behind๎the๎protective๎figerguard๎
on๎the๎instrument๎during๎measurement.
(1)๎Set๎the๎Function๎Switch๎to๎๎"
DCV
"๎๎position.๎
(2)๎๎๎Connect๎the๎red๎test๎lead๎to๎V/
ฮฉ
๎terminal๎and๎the๎
black๎test๎lead๎to๎COM๎terminal.
(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
indicates๎the๎๎"-"๎๎mark.
5-5. Resistance/ Cont/ Diode Measurement
โ
DANGER
โ
Never๎use๎the๎instrument๎on๎an๎energized๎circuit.
โ
๎Do๎ not๎ make๎ measurement๎ with๎ the๎ Battery๎
Cover๎removed.
Resistance
(1)๎๎๎Set๎ the๎ Function๎ Switch๎ to๎ ๎ "
ฮฉ/ Cont/ Diode
"๎๎
position.
(2)๎๎๎Connect๎the๎red๎test๎lead๎to๎V/
ฮฉ
๎terminal๎and๎the๎
black๎ test๎ lead๎ to๎ COM๎ terminal.๎ Confirm๎ "OL"๎ is๎
indicated๎on๎ the๎display,๎and๎ then๎short-circuit๎the๎
tips๎of๎test๎leads๎to๎make๎the๎indication๎zero.
(3)๎๎๎Connect๎ the๎ test๎ leads๎ to๎ the๎ both๎ ends๎ of๎ the๎
resistor๎under๎test.
(4)๎Take๎the๎reading๎on๎the๎display.
โ
CAUTION
โ
๎
Even๎if๎ short๎the๎ test๎lead๎ tips,๎indicated๎value๎
may๎ not๎ be๎ zero.๎ But๎ this๎ is๎ because๎ of๎ the๎
resistance๎of๎test๎leads๎and๎not๎a๎failure.๎
โ
๎When๎test๎leads๎are๎open,๎๎"OL"๎๎is๎indicated๎on๎
the๎๎display.
โ
๎Keep๎ your๎ fingers๎and๎ hands๎ behind๎the๎ barrier๎
during๎measurement.
Continuity
(1)๎๎๎Set๎ the๎ Function๎ Switch๎ to๎ ๎ "
ฮฉ/ Cont/ Diode
"๎๎
position.๎ "
ฮฉ
"๎ ๎ has๎ been๎selected๎ by๎ default;๎ press๎
the๎SELECT๎๎key๎to๎change๎it๎to๎๎"
Continuity
"๎.
Resistance Cont Diodeโจ โจ
๎๎
(2)๎๎๎Connect๎the๎red๎test๎lead๎to๎V/
ฮฉ
๎terminal๎and๎the๎
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
buzzer๎sounds.
(3)๎๎๎Connect๎ the๎ test๎ leads๎ to๎ the๎ both๎ ends๎ of๎ the๎
conductor๎ under๎ test.๎ The๎ buzzer๎ sounds,๎ if๎ the๎
resistance๎under๎test๎is๎100
ฮฉ
๎or๎less.
Diode
(1)๎๎๎Set๎ the๎ Function๎ Switch๎ to๎ "
ฮฉ/ Cont/ Diode
"๎
position.๎ "
ฮฉ
"๎ has๎ been๎ selected๎ by๎ default;๎ press๎
the๎SELECT๎key๎to๎change๎it๎to๎"
Diode
"๎
Resistance Cont Diodeโจ โจ
(2)๎๎๎Connect๎the๎red๎test๎lead๎to๎V/
ฮฉ
๎terminal๎and๎the๎
black๎test๎lead๎to๎COM๎terminal.
(3)๎๎๎Connect๎the๎red๎and๎black๎test๎leads๎to๎the๎Anode๎
and๎ Cathode๎ of๎ the๎ diode๎ under๎ test๎ respectively.๎
Take๎ the๎ reading๎on๎ the๎ display.๎ If๎ the๎connection๎
is๎reversed,๎the๎display๎indicates๎"
OL
"๎.
โ
CAUTION
โ
๎Some๎ of๎diodes๎ cannot๎be๎ tested.๎Indication๎ on๎
the๎display๎ will๎be๎"OL"๎.
โ
๎
(Zener๎diode,๎ LED๎and๎
so๎on)
6. Other functions
6-1. Sleep Function
(1)๎๎๎This๎ is๎ a๎ function๎ to๎ prevent๎ the๎ instrument๎ from๎
being๎left๎powered๎on๎in๎order๎to๎conserve๎battery๎
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
Function๎switch๎to๎"
OFF
",๎then๎to๎any๎other๎position,๎
or๎press๎any๎Key.
(2)๎๎Sleep๎Function๎is๎disabled๎when;๎MIN/MAX
๎๎๎๎๎๎๎Function๎ is๎ selected.๎ Continuous๎ measurement๎ is๎
made๎ with๎ the๎ Sleep๎ Function๎ being๎ disabled.๎ To๎
activate๎ Sleep๎ Function๎ again,๎ disable๎ the๎ MIN/
MAX๎Function.
โ
CAUTION
โ
๎The๎ instrument๎ consumes๎ small๎ amount๎ of๎
battery๎ power๎ in๎ the๎ Sleep๎ mode.๎ Set๎ the๎
Function๎Switch๎to๎the๎OFF๎position๎after๎use.
6-2. HOLD Key
(1)๎Data๎Hold๎Function
๎๎๎๎๎๎This๎ is๎ a๎ function๎ to๎ freeze๎ the๎ measured๎ value๎
on๎ the๎ display.๎ Press๎the๎ "HOLD"๎ key๎ to๎ freeze๎ the๎
reading.๎
๎๎๎๎๎๎The๎ reading๎ will๎ be๎ held๎ regardless๎ of๎ subsequent๎
variation๎in๎input.๎"
H
"๎is๎indicated๎on๎the๎upper๎left๎
corner๎of๎the๎ display๎while๎the๎ instrument๎is๎ in๎the๎
Data๎Hold๎mode.๎To๎exit๎Data๎Hold๎mode,๎press๎the๎๎
"HOLD"๎๎key๎again.
โ
CAUTION
โ
๎Held๎ readings๎ are๎ released๎ when๎ Sleep๎
Function๎is๎activated๎while๎the๎instrument๎is๎in๎
the๎Data๎Hold๎mode.
(2)๎Backlight๎ON/OFF
๎๎๎๎๎๎Pressing๎the๎HOLD๎key๎2๎sec๎or๎more๎lights๎up๎the๎
Backlight.๎ Pressing๎ the๎ HOLD๎ key๎ 2๎ sec๎ or๎ more๎
again๎turns๎off๎the๎Backlight.
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
the๎Jaws.๎
It๎ indic ates๎ a๎ pre se nce๎ o f๎
voltage๎in๎an๎electrical๎circuit๎
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 the๎right๎
figure.
Put๎ the๎ fixed๎ element๎ (left๎
side)๎ closer๎ to๎ the๎ conductor๎
under๎test.
Detection๎ agai nst๎ i n-wall๎
outlet๎is๎impossible.
โ
DANGER
โ
๎
The๎ LED๎ may๎ not๎ light๎ up๎ due๎ to๎ installation๎
condition๎of๎electrical๎circuit๎or๎equipment.๎๎๎Never๎
touch๎ the๎ circuit๎ under๎ test๎ to๎ avoid๎ possible๎
danger๎even๎if๎the๎LED๎for๎NCV๎doesn
๎ข
t๎light๎up.
โ
๎
Check๎ the๎ functionality๎ of๎ LED๎ on๎ a๎ well-known๎
power๎supply๎prior๎to๎measurement.๎When๎the๎LED๎
doesn
๎ข
t๎light๎up,๎do๎not๎make๎measurement.
โ
๎NCV๎ indication๎ is๎ affected๎ by๎ external๎ voltage,๎
how๎to๎hold๎or๎place๎the๎instrument.
โ
๎Keep๎ your๎ fingers๎ and๎ hands๎ behind๎ the๎ barrier๎
during๎measurement.
6-4. MIN/MAX Function
โ
CAUTION
โ
๎SELECT,๎ ZERO,๎ Hz/DUTY๎ keys๎ are๎ disabled๎
whileMIN/MAX๎Function๎is๎being๎activated.
(1)๎๎
AC/DC Current Range
๎๎๎๎๎๎Pressing๎ the๎ MIN/MAX๎ Key๎ at๎ 600A๎ &๎ 1000A๎
Function๎ enables๎ min๎ or๎ max๎ value๎ measurement.๎
Press๎the๎ MIN/MAX๎Key๎ to๎select๎MAX๎ or๎MIN.๎The๎
max๎ or๎min๎ value๎within๎ measuring๎ range๎is๎ 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
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 and๎press๎ the๎ MIN/MAX๎ Key๎
after๎ an๎ appropriate๎ range๎ is๎ selected๎ by๎ Auto-
ranging๎function.
Pressing๎ the๎ MIN/MAX๎ Key๎ enables๎ min๎ or๎ max๎ value๎
measurement.๎ Press๎ the๎ MIN/MAX๎ Key๎ to๎ select๎ MAX๎
or๎MIN.๎The๎max๎or๎min๎value๎within๎measuring๎range๎
is๎ being๎ held๎ until๎ this๎ function๎ is๎ disabled.๎ "MIN"๎ or๎๎๎
"MAX"๎is๎indicated๎on๎the๎display๎while๎this๎function๎is๎
being๎activated.
To๎disable๎this๎function,๎press๎down๎the๎MIN/MAX๎Key๎๎
at๎least๎2๎sec๎or๎change๎functions.
6-5. ZERO Function
โ
CAUTION
โ
๎
MIN/MAX,๎ PEAK๎ keys๎ are๎ disabled๎ while๎ ZERO๎
Function๎is๎being๎activated.
Zero๎ Adjustment๎Function๎ at๎ Current๎Range๎ "
ฮ
"๎ mark๎
is๎to๎be๎indicated๎at๎the๎upper๎right๎on๎the๎display๎while๎
ZERO๎function๎is๎being๎operated.๎Indication๎of๎relative๎
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
measurement๎as๎a๎reference๎value.๎Then๎the๎difference๎
between๎ the๎ later๎ measured๎ values๎and๎ the๎ reference๎
value๎is๎indicated๎on๎the๎display.๎
The๎ Auto-ranging๎ function๎ is๎ disabled,๎ while๎ this๎
function๎ is๎being๎ activated,๎and๎ the๎ Range๎is๎ fixed๎ to๎
the๎Range๎selected๎at๎the๎start๎of๎measurement.๎
Relative๎value๎is๎indicated๎within๎following๎ranges.
๏ผ
Measuring๎range
๏ผ
=(Full-scale๎value๎at๎the๎fixed๎Range)๎โ๎(Initial๎value)
To๎disable๎this๎ function,๎press๎ down๎the๎MIN/MAX๎Key๎
at๎least๎2๎sec๎or๎change๎functions.
6-6. Over-flow indication
When๎ the๎ input๎ exceeds๎ the๎ measuring๎ range๎ at๎ each๎
Function๎other๎than๎Voltage๎and๎1000A๎Range,๎"OL"๎or๎
"-OL"๎is๎indicated๎on๎the๎display.
7. Battery Replacement
โ
WARNING
โ
๎
MIN/MAX,๎ PEAK๎keys๎ are๎disabled๎ while๎ ZERO๎
Function๎is๎being๎activated.
โ
CAUTION
โ
๎
Do๎not๎mix๎old๎and๎new๎batteries.
โ
๎
Install๎batteries๎in๎correct๎polarity๎as๎indicated๎
in๎the๎Battery๎Compartment.
Replace๎ the๎ batteries๎ when๎ a๎ Low๎ Battery๎
Voltage๎warning๎ "BATT"๎ mark๎ is๎ indicated๎on๎ the๎
display.๎ Note๎ that๎ when๎ the๎ battery๎ is๎ completely๎
exhausted,๎the๎display๎blanks๎without๎"
BATT
"๎mark๎
shown.
(1)๎Set๎the๎Function๎Switch๎to๎๎"OFF"๎๎position.
(2)๎๎๎๎Unscrew๎ and๎ remove๎ the๎ Battery๎ Compartment๎
Cover๎on๎the๎bottom๎of๎the๎instrument.
(3)๎๎๎๎Replace๎ the๎ batteries๎ observing๎ correct๎ polarity.๎
Use๎new๎R03๎(AAA)๎or๎LR03๎/๎1.5V๎batteries.
(4)๎๎๎๎Install๎ the๎ Battery๎ Compartment๎ and๎ tighten๎ the๎
screws.
(2)๎๎๎With๎ the๎ transformer๎ jaws๎ closed๎ and๎ without๎
clamping๎ them๎ onto๎ the๎ conductor,๎ press๎ the๎๎
"
ZERO
"๎ key๎ to๎ zero๎ adjust๎ the๎ display.๎ (mark๎ is๎
displayed๎at๎the๎upper๎right๎on๎the๎display.)
(3)๎๎๎Press๎the๎trigger๎to๎open๎the๎transformer๎jaws๎and๎
clamp๎them๎ onto๎the๎ one๎conductor๎ under๎test,๎ the๎
conductor๎should๎be๎at๎the๎center๎of๎the๎jaws,๎then๎
take๎the๎reading๎on๎the๎display.
(4)๎๎๎Set๎ the๎Function๎ Switch๎ to๎ an๎appropriate๎ position๎
according๎to๎current๎under๎test.
(5)๎๎๎Pressing๎ the๎ ๎ "
ZERO
"๎ ๎ key๎ again๎ releases๎ ๎ "
ZERO
"๎๎
function.๎ (mark๎ at๎ the๎ upper๎ right๎ on๎ the๎ display๎
disappears.)
โ
CAUTION
โ
๎When๎ the๎ current๎ flows๎ from๎ the๎ upside๎ (the๎
display๎side)๎to๎the๎underside๎of๎the๎instrument,๎the๎
polarity๎of๎the๎reading๎is๎positive๎and๎vice๎versa.
5-3. AC Voltage Measurement
โ
DANGER
โ
๎Never๎ make๎ measurement๎ on๎ a๎ circuit๎ in๎ which๎
voltage๎ over๎ AC600V๎ exists๎ to๎ avoid๎ getting๎
electrical๎shock.
โ
๎Do๎ not๎make๎ measurement๎with๎the๎ Battery๎Cover๎
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
fingerguard๎on๎the๎instrument๎during๎measurement.
(1)๎๎Set๎the๎Function๎Switch๎to๎๎"
ACV
"๎๎position.
(2)๎๎๎Connect๎the๎red๎test๎lead๎to๎V/
ฮฉ
๎terminal๎and๎the๎
black๎test๎lead๎to๎COM๎terminal.
(3)๎๎๎Connect๎ the๎ test๎ leads๎ to๎ the๎ circuit๎ under๎ test.๎
Take๎ the๎ reading๎ on๎ the๎ display.๎ Pressing๎ the๎๎
"
Hz/DUTY
"๎ ๎ key๎ while๎ reading๎ is๎ indicated๎ on๎
the๎ display๎ switches๎ the๎ indication๎ in๎ following๎
sequence.
โ
AC Voltage Hz DUTYโจ โจ
โ
CAUTION
โ
Hz/DUTY๎Function๎requires๎AC40V๎or๎higher.๎
โ
๎To๎ measure๎ a๎ frequency,๎ measure๎ the๎ voltage๎ on๎
the๎electrical๎circuit๎in๎advance.
โ
๎Then๎ press๎ the๎ Hz/DUTY๎ key๎ to๎ enter๎ into๎
frequency๎measurement.
โ
๎Readings๎ of๎ frequency๎ may๎ fluctuate๎ or๎ be๎
influenced๎under๎noisy๎environment.
Anode
Cathode
92-1801D12-18
8. Maintenance
โ
Cleaning
Use๎ a๎ cloth๎ dipped๎ in๎ water๎ or๎ neutral๎ detergent๎ for๎
cleaning๎the๎instrument.
Do๎not๎use๎abrasives๎or๎solvents.๎Otherwise,๎instrument๎
get๎damaged,๎deformed๎or๎discolored.๎
Produktspezifikationen
Marke: | Kyoritsu |
Kategorie: | Multimeter |
Modell: | KEW 2055 |
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