Kyoritsu KEW 8146 Handleiding


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INSTRUCTION๎˜MANUAL
KEW 8146/8147/8148
LEAKAGE CLAMP SENSOR
Series
KYORITSU ELECTRICAL INSTRUMENTS WORKS, LTD.,
TOKYO, JAPAN
KEW
8146
KEW
8147
KEW
8148
LEAKAGE๎˜CLAMP๎˜SENSOR
1. 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˜ passing๎˜ quality๎˜ control๎˜ tests.๎˜ This๎˜
instruction๎˜ manual๎˜ contains๎˜ warnings๎˜ and๎˜ safety๎˜ rules๎˜
which๎˜ have๎˜ to๎˜ be๎˜ observed๎˜ by๎˜ the๎˜ user๎˜ to๎˜ ensure๎˜ safe๎˜
operation๎˜ of๎˜ the๎˜ instrument๎˜ and๎˜ to๎˜ maintain๎˜ it๎˜ in๎˜ safe๎˜
condition.๎˜ Therefore,๎˜ read๎˜ through๎˜ these๎˜ operating๎˜
instructions๎˜before๎˜using๎˜the๎˜instrument.
# WARNING
โ—
๎˜๎˜๎˜Read๎˜ through๎˜ and๎˜ understand๎˜ 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.
๎˜๎˜๎˜๎˜๎˜The๎˜operating๎˜instructions๎˜described๎˜in๎˜the๎˜manual๎˜must๎˜
be๎˜observed.
โ—
๎˜๎˜Understand๎˜ and๎˜ follow๎˜ all๎˜ the๎˜ safety๎˜ instructions๎˜
contained๎˜in๎˜the๎˜manual.
๎˜๎˜๎˜๎˜๎˜It๎˜is๎˜essential๎˜that๎˜the๎˜above๎˜instructions๎˜are๎˜adhered๎˜to.๎˜
Failure๎˜to๎˜follow๎˜the๎˜above๎˜instructions๎˜may๎˜cause๎˜injury๎˜
and๎˜or๎˜instrument๎˜damage.
๎˜๎˜๎˜๎˜๎˜Kyoritsu๎˜is๎˜by๎˜no๎˜means๎˜liable๎˜for๎˜any๎˜damage๎˜resulting๎˜
from๎˜ the๎˜ instrument๎˜ in๎˜ contradiction๎˜ to๎˜ this๎˜ cautionary๎˜
note.
The๎˜ symbol๎˜
#
๎˜ indicated๎˜ on๎˜ the๎˜ instrument,๎˜ 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
๎˜is๎˜reserved๎˜for๎˜conditions๎˜and๎˜actions๎˜that๎˜
are๎˜likely๎˜to๎˜cause๎˜serious๎˜or๎˜fatal๎˜injury.
#
๎˜
WARNING
๎˜ is๎˜ reserved๎˜ for๎˜ conditions๎˜ and๎˜ actions๎˜
that๎˜can๎˜cause๎˜serious๎˜or๎˜fatal๎˜Injury.
#
๎˜
CAUTION
is๎˜reserved๎˜for๎˜conditions๎˜and๎˜actions๎˜that๎˜
can๎˜cause๎˜minor๎˜injury๎˜or๎˜instrument๎˜damage.
# DANGER
โ—
๎˜๎˜Never๎˜ make๎˜ measurement๎˜ on๎˜ a๎˜ circuit๎˜ in๎˜ which๎˜ the๎˜
electrical๎˜potential๎˜exceeds๎˜AC
300
V.
โ—
๎˜๎˜Do๎˜not๎˜ make๎˜measurement๎˜when๎˜thunder๎˜rumbling.๎˜ If๎˜the๎˜
instrument๎˜ is๎˜ in๎˜ use,๎˜ stop๎˜ the๎˜ measurement๎˜ immediately๎˜
and๎˜remove๎˜the๎˜instrument๎˜from๎˜the๎˜measured๎˜object.๎˜
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—
๎˜๎˜The๎˜ transformer๎˜ jaws๎˜ are๎˜ made๎˜ of๎˜ metal๎˜ and๎˜ their๎˜ tips๎˜
are๎˜ not๎˜ completely๎˜ insulated.๎˜ Be๎˜ especially๎˜ careful๎˜
about๎˜the๎˜possible๎˜ shorting๎˜where๎˜ the๎˜measured๎˜object๎˜
has๎˜exposed๎˜metal๎˜parts.
โ—
๎˜๎˜Never๎˜ attempt๎˜ to๎˜ use๎˜ the๎˜ instrument๎˜ if๎˜ it's๎˜ surface๎˜ or๎˜
your๎˜hand๎˜are๎˜wet.
โ—
๎˜๎˜Do๎˜ not๎˜ exceed๎˜ the๎˜ maximum๎˜ allowable๎˜ input๎˜ of๎˜ any๎˜
measuring๎˜range.
# WARNING
โ—
๎˜๎˜Never๎˜ attempt๎˜ to๎˜ make๎˜ any๎˜ measurement,๎˜ if๎˜ any๎˜
abnormal๎˜ conditions๎˜ are๎˜ noted,๎˜ such๎˜ as๎˜ broken๎˜ case,๎˜
and๎˜exposed๎˜metal๎˜parts.
โ—
๎˜๎˜Do๎˜not๎˜install๎˜substitute๎˜parts๎˜or๎˜make๎˜any๎˜modification๎˜
to๎˜the๎˜instrument.๎˜
๎˜๎˜๎˜๎˜๎˜Return๎˜ the๎˜ instrument๎˜ to๎˜ the๎˜ distributor๎˜ from๎˜ who๎˜ you๎˜
purchased๎˜ this๎˜ instrument๎˜ for๎˜ repair๎˜ or๎˜ re-calibration๎˜ in๎˜
case๎˜of๎˜suspected๎˜faulty๎˜operation.
โ—
๎˜๎˜Always๎˜ keep๎˜ your๎˜ fingers๎˜ and๎˜ hands๎˜ behind๎˜ the๎˜ barrier๎˜
on๎˜the๎˜instrument๎˜to๎˜avoid๎˜the๎˜possible๎˜shock๎˜hazard.
# CAUTION
โ—
๎˜๎˜Do๎˜not๎˜step๎˜on๎˜or๎˜pinch๎˜the๎˜cord๎˜to๎˜prevent๎˜the๎˜jacket๎˜of๎˜
cord๎˜from๎˜being๎˜damaged.
โ—
๎˜๎˜
The๎˜ output๎˜ connector๎˜ shall๎˜ be๎˜ removed๎˜ or๎˜ connected๎˜
without๎˜ clamping๎˜ a๎˜ conductor.๎˜ Otherwise,๎˜ it๎˜ may๎˜ cause๎˜
a๎˜failure.
โ—
๎˜๎˜Do๎˜ not๎˜ expose๎˜ the๎˜ instrument๎˜ to๎˜ direct๎˜ sunlight,๎˜ high๎˜
temperatures,๎˜humidity๎˜or๎˜dew.
โ—
๎˜๎˜Never๎˜give๎˜shocks,๎˜such๎˜as๎˜vibration๎˜or๎˜drop,๎˜which๎˜may๎˜
damage๎˜the๎˜instrument.
โ—
๎˜๎˜Use๎˜ a๎˜ damp๎˜ cloth๎˜ and๎˜ detergent๎˜ for๎˜ cleaning๎˜ the๎˜
instrument.๎˜Do๎˜not๎˜use๎˜abrasives๎˜or๎˜solvents.
Safety๎˜symbols
Incoming wire
๏ผฏ:Device which is
not directly
connected to the
mains power supply
Socket
Interior wiring
โ—‹
Measurement๎˜Category:
โ€ƒ
๎˜To๎˜ ensure๎˜ safe๎˜ operation๎˜ of๎˜ measuring๎˜ instruments,๎˜
IEC๎˜
61010
๎˜ 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.
O๎˜ :๎˜๎˜Circuits๎˜which๎˜are๎˜not๎˜directly๎˜connected๎˜to๎˜the๎˜
mains๎˜power๎˜supply.
CAT๎˜II๎˜ :๎˜๎˜Electrical๎˜circuits๎˜of๎˜equipment๎˜connected๎˜to๎˜an๎˜
AC๎˜electrical๎˜outlet๎˜by๎˜a๎˜power๎˜cord.
CAT๎˜III๎˜ :๎˜๎˜Primary๎˜ electrical๎˜ circuits๎˜ of๎˜ the๎˜ equipment๎˜
connected๎˜directly๎˜to๎˜ the๎˜distribution๎˜ panel,๎˜ and๎˜
feeders๎˜from๎˜the๎˜distribution๎˜panel๎˜to๎˜outlets.
CAT๎˜IV๎˜ :๎˜๎˜The๎˜ circuit๎˜from๎˜ the๎˜ service๎˜ drop๎˜ to๎˜ the๎˜ service๎˜
entrance,๎˜ and๎˜ to๎˜ the๎˜ power๎˜ meter๎˜ and๎˜ primary๎˜
over-current๎˜ protection๎˜ device๎˜ (distribution๎˜
panel).
ใ€€2. Features
โ—
๎˜Clamp๎˜sensor๎˜for๎˜AC๎˜leakage๎˜current๎˜measurement.
โ—
๎˜๎˜Can๎˜measure๎˜up๎˜to:
โ€ƒโ€ƒโ€ƒ
๎˜KEW๎˜
8146
๏ผš
30
A
โ€ƒโ€ƒโ€ƒ
๎˜KEW๎˜
8147
๏ผš
70
A
โ€ƒโ€ƒโ€ƒ
๎˜KEW๎˜
8148
๏ผš
100
A
โ—
๎˜
Designed๎˜to๎˜international๎˜safety๎˜standard๎˜IEC
61010
-
2
-
032
โ€ƒโ€ƒโ€ƒ
๎˜CAT๎˜
โ…ข
๎˜๎˜Pollution๎˜Degree๎˜
2
ใ€€3. Instrument layout
Transform๎˜Jaws Trigger Cable
Output๎˜connector
Barrier
Barrier
๏ผš
๎˜It๎˜ is๎˜ a๎˜ part๎˜ providing๎˜ protection๎˜against๎˜ electrical๎˜
shock๎˜ and๎˜ ensuring๎˜ the๎˜ minimum๎˜ required๎˜ air๎˜ and๎˜
creepage๎˜distances.
ใ€€4. DIN Plug pin assignment
3
:๎˜GND๎˜pin
5
:๎˜Output๎˜signal๎˜pin
6
:๎˜Sensor๎˜Signal๎˜pin
๎˜
๏ผˆ
๎˜Resistance๎˜between๎˜
3
Pin๎˜and๎˜
6
Pin:
๎˜๎˜๎˜๎˜
8146
:
47
k
ฮฉโ€ƒ
8147
:
8
.
2
k
ฮฉโ€ƒ
8148
:
30
k
ฮฉ๏ผ‰
1
,๎˜
2
๎˜and๎˜
4
:๎˜No๎˜use
*๎˜Lower๎˜ figure๎˜ shows๎˜ the๎˜ pin๎˜ assignment๎˜ seeing๎˜ the๎˜ Clamp๎˜
sensor๎˜ from๎˜ output๎˜ connector๎˜ part.๎˜ The๎˜ figure๎˜ of๎˜ the๎˜ pin๎˜
assignment๎˜ of๎˜ connection๎˜ terminal๎˜ is๎˜ symmetrical๎˜ to๎˜ lower๎˜
figure.
5
3
12
4
6
ใ€€5. Operating instructions
# DANGER
โ—
๎˜๎˜Never๎˜ make๎˜ measurement๎˜ on๎˜ a๎˜ circuit๎˜ in๎˜ which๎˜ the๎˜
electrical๎˜potential๎˜exceeds๎˜AC
300
V๎˜in๎˜order๎˜to๎˜avoid๎˜
possible๎˜shock๎˜hazard.
โ—
๎˜๎˜The๎˜transformer๎˜jaws๎˜are๎˜made๎˜of๎˜metal๎˜and๎˜their๎˜tips๎˜
are๎˜ not๎˜ completely๎˜ insulated.๎˜ Be๎˜ especially๎˜ careful๎˜
about๎˜the๎˜possible๎˜shorting๎˜where๎˜the๎˜measured๎˜object๎˜
has๎˜exposed๎˜metal๎˜parts.
โ—
๎˜๎˜Keep๎˜your๎˜fingers๎˜and๎˜hands๎˜behind๎˜ the๎˜barrier๎˜during๎˜a๎˜
measurement.
# CAUTION
โ—
๎˜๎˜
Take๎˜ sufficient๎˜ care๎˜ to๎˜ avoid๎˜ shock,๎˜ vibration๎˜ or๎˜
excessive๎˜ force๎˜ when๎˜ handling๎˜ the๎˜ instrument.๎˜
Otherwise,๎˜ precisely๎˜ adjusted๎˜ transformer๎˜ jaws๎˜ will๎˜be๎˜
damaged.
โ—
๎˜๎˜When๎˜transformer๎˜jaws๎˜do๎˜not๎˜fully๎˜close,๎˜never๎˜try๎˜to๎˜
close๎˜them๎˜by๎˜force,๎˜but๎˜make๎˜them๎˜free๎˜to๎˜move๎˜and๎˜
try๎˜ again.๎˜ If๎˜ a๎˜ foreign๎˜ substance๎˜ is๎˜ stuck๎˜ in๎˜ the๎˜ jaw๎˜
tips,๎˜remove๎˜it.๎˜
โ—
๎˜๎˜When๎˜ making๎˜ current๎˜ measurements,๎˜ keep๎˜ the๎˜
transformer๎˜jaws๎˜fully๎˜closed.
๎˜๎˜๎˜๎˜Otherwise,๎˜accurate๎˜measurements๎˜cannot๎˜be๎˜taken.
โ—
๎˜๎˜Hold๎˜ the๎˜ inserting๎˜ part๎˜ (except๎˜ for๎˜ the๎˜ cable)๎˜ and๎˜
disconnect๎˜ the๎˜ Output๎˜ connector๎˜ from๎˜ the๎˜ measuring๎˜
instrument๎˜so๎˜as๎˜not๎˜to๎˜cause๎˜a๎˜break๎˜in๎˜the๎˜cord.
โ—
๎˜๎˜When๎˜ measuring๎˜ current๎˜ which๎˜ pulse๎˜ element๎˜ is๎˜
superposed,๎˜differences๎˜of๎˜the๎˜indicated๎˜value๎˜may๎˜be๎˜
caused๎˜between๎˜ranges,๎˜if๎˜the๎˜peak๎˜value๎˜exceeds๎˜the๎˜
measurement๎˜range๎˜to๎˜a๎˜large๎˜extent.๎˜In๎˜this๎˜
case,๎˜the๎˜
reading๎˜ at๎˜ the๎˜ bigger๎˜ range๎˜ should๎˜ be๎˜ taken
๎˜ as๎˜ a๎˜ right๎˜
value.๎˜Sensitive๎˜transformer๎˜jaws๎˜are๎˜used๎˜for๎˜Leakage๎˜
clamp๎˜ meter.๎˜ Because๎˜ of๎˜ the๎˜ characteristics๎˜ of๎˜
transformer๎˜jaws,๎˜which๎˜can๎˜be๎˜opened๎˜and๎˜closed,๎˜it๎˜
is๎˜impossible๎˜ to๎˜ eliminate๎˜ the๎˜ interference๎˜ of๎˜ external๎˜
magnetic๎˜ field๎˜ completely.๎˜ If๎˜ there๎˜ is๎˜ a๎˜ presence๎˜ of๎˜
strong๎˜magnetic๎˜field,๎˜use๎˜the๎˜instrument๎˜at๎˜a๎˜distance๎˜
as๎˜ far๎˜ as๎˜ possible๎˜ from๎˜ it.๎˜ Following๎˜ are๎˜ the๎˜ typical๎˜
things๎˜generating๎˜magnetic๎˜field.
โ€ƒโ€ƒโ€ƒโ€ƒโ€ƒใƒป
Conductor๎˜fed๎˜large๎˜current
โ€ƒโ€ƒโ€ƒโ€ƒโ€ƒใƒป
Motor
โ€ƒโ€ƒโ€ƒโ€ƒโ€ƒใƒป
Equipment๎˜which๎˜has๎˜magnet
โ€ƒโ€ƒโ€ƒโ€ƒโ€ƒใƒป
Integrating๎˜wattmeter
5
-
1
๎˜Measuring๎˜method
(
1
)๎˜๎˜
Connect๎˜the๎˜Output๎˜connector๎˜to๎˜the๎˜Input๎˜terminal๎˜of๎˜
the๎˜measuring๎˜instrument.
(
2
)๎˜๎˜Press๎˜ the๎˜ Trigger๎˜ to๎˜ open๎˜ the๎˜ transformer๎˜ jaws๎˜ and๎˜
clamp๎˜onto๎˜one๎˜conductor.
In๎˜this๎˜case,๎˜the๎˜measured๎˜conductor๎˜shall๎˜be๎˜at๎˜the๎˜
center๎˜of๎˜the๎˜jaws.
(
3
)๎˜
Ensure๎˜that๎˜the๎˜tips๎˜of๎˜transformer๎˜jaws๎˜are๎˜firmly๎˜closed.
5
-
2
๎˜Measuring๎˜method
(
1
)๎˜๎˜Measuring๎˜ out๎˜ of๎˜ balance๎˜ leakage๎˜ current๎˜ (See๎˜
Fig.
1
):Clamp๎˜ onto๎˜ all๎˜ conductors๎˜ except๎˜ a๎˜ grounded๎˜
wire.
(
2
)๎˜๎˜Measuring๎˜ earth๎˜ leakage๎˜ current๎˜ (See๎˜ Fig.
2
):Clamp๎˜
onto๎˜a๎˜grounded๎˜wire.
3
-๎˜phase๎˜
3
-๎˜wire๎˜system
(In๎˜
4
-๎˜wire๎˜system๎˜with๎˜neutral,๎˜
clamp๎˜onto๎˜all๎˜
4
๎˜wires)
Fig.
1
๎˜Measuring๎˜out๎˜of๎˜balance๎˜leakage๎˜current
Grounded๎˜wire
Load
Load
Load
Single-๎˜phase๎˜
2
-๎˜wire๎˜system
(In๎˜
3
-๎˜wire๎˜system๎˜with๎˜neutral,
clamp๎˜onto๎˜all๎˜
3
๎˜wires)
Fig.
2
๎˜Measuring๎˜earth๎˜leakage๎˜current
92
-
1746
E
7
-
22
DISTRIBUTOR
#
Refer๎˜to๎˜the๎˜instructions๎˜in๎˜the๎˜manual.
๏€ฑ
Indicates๎˜a๎˜Instrument๎˜with๎˜double๎˜or๎˜reinforced๎˜insulation
Indicates๎˜ that๎˜ this๎˜ instrument๎˜ can๎˜ clamp๎˜ on๎˜ live๎˜ bare๎˜
conductors๎˜ when๎˜ the๎˜ voltage๎˜ to๎˜ be๎˜ tested๎˜ is๎˜ below๎˜
Circuit๎˜ -๎˜Ground-to-Earth๎˜ voltage๎˜ against๎˜the๎˜indicated๎˜
Measurement๎˜Category.
๏ฝž
Indicates๎˜AC
Model KEW๎˜
8146
KEW๎˜
8147
KEW๎˜
8148
Rated๎˜voltage AC
30
Arms(
42
.
4
Apeak) AC
70
Arms(
99
.
0
Apeak) AC
100
Arms(
141
.
4
Apeak)
Output๎˜voltage AC
0
ใ€œ
1500
mV
(
50
mV/A)
AC
0
ใ€œ
3500
mV
(
50
mV/A)
AC
0
ใ€œ
5000
mV
(
50
mV/A)
Measuring๎˜range AC
0
ใ€œ
30
A AC
0
ใ€œ
70
A AC
0
ใ€œ
100
A
Accuracy
(Input:๎˜sine๎˜wave)
0
A
ใ€œ
15
A
๎˜๎˜๎˜๎˜
ยฑ
1
.
0
%rdg
ยฑ
0
.
1
mV๎˜(
50
/
60
Hz)
๎˜๎˜๎˜๎˜
ยฑ
2
.
0
%rdg
ยฑ
0
.
2
mV๎˜(
40
ใ€œ
1
kHz)
15
A
ใ€œ
30
A
๎˜๎˜๎˜๎˜
ยฑ
5
.
0
%rdg(
50
/
60
Hz)
๎˜๎˜๎˜๎˜
ยฑ
10
.
0
%rdg(
45
ใ€œ
1
kHz)
0
A
ใ€œ
40
A
๎˜๎˜๎˜๎˜
ยฑ
1
.
0
%rdg
ยฑ
0
.
1
mV๎˜(
50
/
60
Hz)
๎˜๎˜๎˜๎˜
ยฑ
2
.
0
%rdg
ยฑ
0
.
2
mV๎˜(
40
ใ€œ
1
kHz)
40
A
ใ€œ
70
A
๎˜๎˜๎˜๎˜
ยฑ
5
.
0
%rdg๎˜(
50
/
60
Hz)
๎˜๎˜๎˜๎˜
ยฑ
10
.
0
%rdg๎˜(
45
ใ€œ
1
kHz)๎˜
0
A
ใ€œ
80
A
๎˜๎˜๎˜๎˜
ยฑ
1
.
0
%rdg
ยฑ
0
.
1
mV๎˜(
50
/
60
Hz)
๎˜๎˜๎˜๎˜
ยฑ
2
.
0
%rdg
ยฑ
0
.
2
mV๎˜(
40
ใ€œ
1
kHz)
80
A
ใ€œ
100
A
๎˜๎˜๎˜๎˜
ยฑ
5
.
0
%rdg๎˜(
50
/
60
Hz)
๎˜๎˜๎˜๎˜
ยฑ
10
.
0
%rdg๎˜(
45
ใ€œ
1
kHz)
Temperature๎˜&๎˜humidity๎˜range
(Guaranteed๎˜accuracy)
๎˜๎˜๎˜
23
ยฑ
5
โ„ƒ
,๎˜relative๎˜humidity:๎˜
85
%๎˜or๎˜less๎˜(no๎˜condensation)
Operating๎˜temperature๎˜range
๎˜๎˜๎˜
0
ใ€œ
50
โ„ƒ
,๎˜relative๎˜humidity:๎˜
85
%๎˜or๎˜less๎˜(no๎˜condensation)
Storage๎˜temperature๎˜range
-
20
ใ€œ
60
โ„ƒ
,๎˜relative๎˜humidity:๎˜
85
%๎˜or๎˜less๎˜(no๎˜condensation)
Maximum๎˜permissible๎˜input
AC
30
Arms๎˜continuous(
50
/
60
Hz) AC
70
Arms๎˜continuous๎˜(
50
/
60
Hz) AC
100
Arms๎˜continuous๎˜(
50
/
60
Hz)
Output
impedance Approx.๎˜
90
ฮฉ
Approx.๎˜
100
ฮฉ
Approx.๎˜
60
ฮฉ
Location๎˜for๎˜use Altitude๎˜up๎˜to๎˜
2000
m,๎˜Indoors
Applicable
standards
IEC๎˜
61010
-
1
,๎˜IEC๎˜
61010
-
2
-
032
โ€ƒโ€ƒ
Measurement๎˜CAT๎˜
โ…ข
๎˜(
300
Vrms)๎˜
โ€ƒโ€ƒ
Pollution๎˜degree๎˜
2
IEC๎˜
61326
-
1
๎˜(EMC)
Environmental๎˜
standards EU๎˜RoHS๎˜directive๎˜compliant
Withstand๎˜
voltage
AC
3470
Vrms๎˜(
50
/
60
Hz)for๎˜
5
๎˜sec.๎˜
โ€ƒโ€ƒ
between๎˜Jaw๎˜and๎˜enclosure
โ€ƒโ€ƒ
between๎˜enclosure๎˜and๎˜output๎˜terminal
โ€ƒโ€ƒ
between๎˜Jaw๎˜and๎˜output๎˜terminal
Insulation
resistance
50
M
ฮฉ
๎˜or๎˜greater๎˜at๎˜
1000
V
โ€ƒโ€ƒ
between๎˜Jaw๎˜and๎˜enclosure
โ€ƒโ€ƒ
between๎˜enclosure๎˜and๎˜output๎˜terminal
โ€ƒโ€ƒ
between๎˜Jaw๎˜and๎˜output๎˜terminal
Conductor๎˜Size Approx.
24
mm๎˜in๎˜diameter๎˜(max.) Approx.
40
mm๎˜in๎˜diameter๎˜(max.) Approx.
68
mm๎˜in๎˜diameter๎˜(max.)
Dimension
100
(L)
ร—
60
(W)
ร—
26
(D)mm
128
(L)
ร—
81
(W)
ร—
36
(D)mm
186
(L)
ร—
129
(W)
ร—
53
(D)mm
Cable๎˜length Approx.๎˜
2
m
Output๎˜terminal MINI๎˜DIN๎˜
6
PIN
Weight Approx.๎˜
150
g Approx.๎˜
240
g Approx.๎˜
510
g
Accessories Instruction๎˜manual๎˜
Cable๎˜marker
Option MODEL๎˜
7146
๏ผˆ
Banana๎˜
ฮฆ
4
๎˜adjuster๎˜plug
๏ผ‰
MODEL๎˜
7185
๏ผˆ
Extension๎˜cable
๏ผ‰
ใ€€6. Specifications


Product specificaties

Merk: Kyoritsu
Categorie: Meetapparatuur
Model: KEW 8146

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