Kyoritsu 3128 High Voltage Insulation Tester

High Voltage Insulation Tester

 

• Microprocessor controlled high voltage insulation resistance tester with Diagnostic functions.
• Suitable for analyzing the insulation characteristics of cables, transformers, motors, generators, high-pressure switches, insulators, wiring installations, etc.
• 6 ranges: 500V, 1000V, 2500V, 5000V, 10000V, 12000V
Fine adjustment of voltage setting at each range is also possible
• Graphic representation of the insulation resistance and leakage current versus time on large display with bar graph and backlight.
• Can be operated from built-in rechargeable battery or from AC line.
• Automatic discharge after test with monitoring of the discharge voltage.
• Internal memory can store about 43, 000 data ( max) .
• Robust design for field use with IP64 rating ( with lid closed) .

Insulation resistance ( * ) : Accuracy is not guaranteed with setting of 250V or less

Rated voltage 500V 1000V 2500V 5000V 10000V 12000V

Max
measurement
value 500G© 1T© 2.5T© 5T© 35T©

Accuracy 400k~ 50G©
± 5% rdg± 3dgt
( * ) 800k~ 100G©
± 5% rdg± 3dgt 2M~ 250G©
± 5% rdg± 3dgt 4M~ 500G©
± 5% rdg± 3dgt 8M~ 1T©
± 5% rdg± 3dgt

50G~ 500G©
± 20% rdg
( * ) 100G~ 1T©
± 20% rdg 250G~ 2.5T©
± 20% rdg 500G~ 5T©
± 20% rdg 1T~ 10T©
± 20% rdg

10T~ 35T©
Values are displayed, but accuracy isn' t guaranteed

Short circuit current Max 5.0mA

Load resistor to output rated voltage 0.5M© or more 1M© or more 2.5M© or more 5M© or more 20M© or more 24M© or more

Output voltage

Rated voltage 500V 1000V 2500V 5000V 10000V 12000V

Monitor accuracy ± 10% ± 20V ± 10% ± 20V ± 10% ± 20V ± 10% ± 20V ± 10% ± 20V ± 10% ± 20V

Output accuracy 0~ + 20% 0~ + 10% 0~ + 10% 0~ + 10% -5~ + 5% -5~ + 5%

Selectable range 50~ 600V
( in steps of 5V) 610~ 1200V
( in steps of 10V) 1225~ 3000V
( in steps of 25V) 3050~ 6000V
( in steps of 50V) 6100~
10000V
( in steps of 100V) 10100~
12000V
( in steps of 100V)

Voltage measurement

Measuring range DCV : ± 30~ ± 600V, ACV : 30~ 600V ( 50/ 60Hz)

Accuracy ± 2% rdg± 3dgt

Current measurement

Measuring range 0.00nA~ 2.40mA ( Depending on the insulation resistance)

Capacitance measurement

Measuring range 5.0nF~ 50.0µ F 5.0nF~ 1.0µ F
( display range: 5.0nF~ 50.0µ F)

Accuracy ± 5% rdg± 5dgt

General

Withstand voltage AC8770V : between line terminal and enclosure / 5sec ( 50/ 60Hz)
AC6880V : between the measuring terminal and enclosure / 5sec ( 50/ 60Hz)
AC2330V : between the power connector and enclosure / 5sec ( 50/ 60Hz)

Operating temperature & humidity range
-10º C~ 50º C / Relative humidity 85% or less
( when operating with an external power supply, no condensation)
0º C~ 40º C / Relative humidity 85% or less
( when operating with battery, no condensation)

Storage temperature & humidity range -20º C~ 60º C / Relative humidity 75% or less ( no condensation)

Applicable standards IEC 61010-1 CAT.IV 600V Pollution degree 2,
IEC 61010-031, IEC 61326, IEC 60529 ( IP64) : with the lid closed.

Power source Rechargeable Lead storage battery ( 12V) *
Charging time: approx. 8 hours / AC Power supply ( 100V~ 240V, 50/ 60Hz)

* Continuous measuring time:
approx. 4 hours
( a load of 100M© at the Insulation resistance 12000V Range.)
approx. 2 hours
( Max current consumption in range while rated currents are maintained.)

Dimension 330 ( L) × 410 ( W) × 180 ( D) mm * Instrument and Hard case

Weight 9kg approx. ( including battery) * Instrument and Hard case

Accessories 7170 ( Main cord) , 7224A ( Earth cord) , 7225A ( Guard cord) , 7226A ( Line probe) ,
7227A ( Line probe with alligator clip) , 8029 ( Extension prod) ,
8212-USB-W ( USB adaptor with KEW Windows ( Software) ) ,
Instruction manual, Calibration Certificate
Optional 7254 ( Longer Line probe with alligator clip) 

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