Digital High Voltage Insulation Tester

KEW 3127

Equipped with the latest
Diagnostic Insulation Test!
IR Insulation ResistanceP I Polarization IndexDAR Dielectric Absorption Ratio

SV Step Voltage

DD Dielectric Discharge

RAMP Ramp test

(BREAK DOWN / BURN)● Insulation Resistance up to 10TΩ

● Memory and Logging functions● Short-Circuit Current up to 5mA● Filter function reduces noise interference for obtaining● Wide Test Voltage from 250V to 5000V● Diagnostic Insulation Tests: IR, PI, DAR,DD, SV, RAMP (Breakdown and Burn modes),Capacitance, Leakage Current● Wireless communication by Bluetooth for transferringand showing real-time data to PC and Android device

stable measurements● Large back light display with Bar-Graph indication● Robust design for field use with IP65 (lid closed)● Powered by rechargeable battery● Safety Standard IEC61010-1 CAT IV 600V

● Specifications● Included Accessories

Insulation resistance
500V
1000V
2500V
5000V
Test Voltage
250V *1
Max measurement value 9.99GΩ
99.9GΩ
199GΩ
999GΩ
9.99TΩ
0.0 - 99.9MΩ 0.0 - 999MΩ
0.0 - 1.99GΩ 0.0 - 99.9GΩ 0.0 - 99.9GΩ
±5%rdg±3dgt ±5%rdg±3dgt ±5%rdg±3dgt ±5%rdg±3dgt ±5%rdg±3dgt
Accuracy
0.1G - 9.99GΩ 1G - 99.9GΩ
2G - 199GΩ
100G - 999GΩ 0.1T - 9.99TΩ
±20%rdg±20%rdg±20%rdg±20%rdg±20%rdg
Short circuit current
Max 5.0mA
Accuracy -10 - +10%
-10 - +20%
0 - +20%
OutputVariable–-20% - 0% (5%step)
voltage
Monitor ±10%rdg±20V
Voltage measurement Current measurement
Capacitance measurement
AC:30 - 600V (50/60Hz)
0.00nA - 5.50mA
5.0nF - 50.0μF *2
Measuring range
DC:±30 - ±600V±2%rdg±3dgt±10%rdg* 3±5%rdg±5dgt
Accuracy
Rechargeable Battery (Lead-acid Battery) 12V*4
Power source
Charging power : DC 15VA MAX
Communication Interface Bluetooth:Ver2.1 + EDR Class2 , USB:Ver1.1
IEC61010-1, 61010-2-030 CAT IV 600V Pollution degree2, IEC61010-031,
Applicable standards
IEC61326-1, 2-2
Dimension
208(L) x 225(W) x 130(D) mm (Hard case 380(L) x 430(W) x 154(D) mm)
Weight3127:Approx.
(including battery), Total:Approx.
(including Accessories)
7165A(Line probe), 7224A(Earth cord), 7225A(Guard cord),8019(Hook type prod), 8254(Straight type prod), 8327EU(Power adaptor 15V/1A),
Included Accessories
9171(Hard case), Instruction manual
7168A(Line probe with alligator clip:3m),
Optional Accessories
7253(Longer line probe with alligator clip:15m), 8258(USB communication set),
8302(Adaptor for recorder 1mV/1μA)*1) IR mode only *2) At 5000V range 5.0nF-25.0μF *3) Determined by resistance and Voltage values (over 10MΩ)*4) No measurements are possible while charging ※ Bluetooth is a registered trademark of the Bluetooth SIG, Inc.

● Diagnostic Insulation Tests
PI=PI
Criteria

Insulation resistance value 10 min. after start
Insulation resistance value 1 min. after start
4.0 or moreBest

4.0-2.0
Good

KEW3127 comes with everything you need for Insulation Resistance and Diagnostic Test.
A full set of accessories, Power adaptor and test
leads are included.
The instrument also comes in a robust hard case, aquick reference guide on case lid and it is suppliedwith a calibration certificate.

● Data Communication Function

Polarization Index

PIEVERYTHING YOU NEED....

2.0-1.0
Warning

Transferring and showing real-time data to PC and Android tablet
Recorded data can be transferred (PC only)
Analyzing of the saved data (PC only)

1.0 or less
BadDielectric Absorption Ratio

DAR

DAR=DAR
Criteria

Insulation resistance value 1 min. after start
Insulation resistance value ＊15 sec. after start
1.4 or moreBest

1.25-1.0Good

1.0 or less
Bad＊User-Selectable 15sec. or 30sec. interval

Dielectric Discharge

DDDD=DD
Criteria

Current value 1 min. after completing (mA)
Voltage value when a measurement
complete (V) x Capacitance (F)2.0 or less
Good2.0-4.0
Warning

4.0-7.0Poor

7.0 or more
Very poor

Free Android software is available on download site
※Free※ Android is a registered trademark of the Google Inc.

● Selection GuideVoltage / resistance
Short circuit current(max)PI, DARSV, DD
Filter
Memory / communication
Power source● Optional Accessories
3125

3126

3127

3128

5kV / 1TΩ
1.3mA

5kV / 1TΩ
5mA

5kV / 10TΩ
5mA

12kV / 35TΩ
5mA


−−−

−


+RampLR14 x 8

LR14 x 8−Rechargeable Battery Rechargeable Battery

7168A(3m)7253(15m)82588302

Please read the "Safety Warnings" in the instruction manual supplied with the instrument thoroughly and completelycorrect use. Failure to follow the safety rules can cause fire, trouble, electrical shock, etc. Therefore, make sure
Safety Warnings : forto operate the instrument on a correct power supply and voltage rating marked on each instrument.

Jul.23 KEW1

The contents of this leaflet are subject to change without notice.

KEW 3127-1E Jul. 13 AD