KYORITSU 3128 HIGH VOLTAGE INSULATION TESTER

Kyoritsu 3128 High Voltage Insulation Tester

  • Test Voltage 12kV (max), Resistance 35TΩ (max)
  • Short-Circuit Current 5mA (max)
  • Graphic representation of the insulation resistance and leakage current versus time on large display with bar graph and backlight
  • Print Screen Function enables to record up to 32 display screens
  • Internal Memory can store about 43,000 data (max)
  • Can be operated from internal rechargeable battery or from AC line
  • Robust design for field use with IP64 rating (with lid closed)

 

Specification of Kyoritsu 3128 High Voltage Insulation Tester

Insulation resistance

Test voltage 500V 1000V 2500V 5000V 10000V 12000V
Max measurement value 500GΩ 1TΩ 2.5TΩ 5TΩ 35TΩ
Accuracy 400kΩ to 50GΩ
±5%rdg±3dgt
800kΩ to 100GΩ
±5%rdg±3dgt
2MΩ to 250GΩ
±5%rdg±3dgt
4MΩ to 500GΩ
±5%rdg±3dgt
8MΩ to 1TΩ
±5%rdg±3dgt
50.1 to 500GΩ
±20%rdg(*)
101G to 1TΩ
±20%rdg
251G to 2.5TΩ
±20%rdg
501GΩ to 5TΩ
±20%rdg
1.01 to 10TΩ
±20%rdg
10.1 to 35TΩ
Short circuit current Max 5.0mA
Load resistor to output rated voltage 0.5MΩ or more 1MΩ or more 2.5MΩ or more 5MΩ or more 20MΩ or more 24MΩ or more

Output voltage

Rated voltage 500V 1000V 2500V 5000V 10000V 12000V
Monitor accuracy ±10%±20V
Output accuracy 0 to +20% 0 to +10% -5 to +5%
Selectable range 50 to 600V
(in steps of 5V)
610 to 1200V
(in steps of 10V)
1225 to 3000V
(in steps of 25V)
3050 to 6000V
(in steps of 50V)
6100 to 10000V
(in steps of 100V)
10100 to 12000V
(in steps of 100V)

Voltage measurement

Measuring range DCV:±30 to ±600V
ACV:30 to 600V (50/60Hz)
Accuracy ±2%rdg±3dgt

Current measurement

Measuring range 5.00nA to 2.40mA
(Depending on the insulation resistance)
Accuracy ±5%rdg±5dgt

Capactince measurement

Measuring range 5.0nF to 50.0μF 40.0nF to 1.00μF
(Display range : 5.0nF to 60.0μF)
Accuracy ±5%rdg±5dgt

General

Applicable standards IEC 61010-1 CAT IV 600V Pollution degree 2, IEC 61010-2-034,
IEC 61010-031, IEC 61326, IEC 60529 (IP64): with the lid closed.
Operating temperature and humidity range -10ºC , Relative humidity 85% or less 50ºC /(when operating with an external power supply, no condensation)
0 to 40ºC /Relative humidity 85% or less (when operating with battery, no condensation)
Storage temperature and humidity range -20ºC to 60ºC / Relative humidity 75% or less (no condensation)
Power source Rechargeable Lead storage battery (12V)* Charging time: approx. 8 hours / AC Power supply (100V to 240V, 50/60Hz)
* Continuous measuring time: Approx. 4 hours (a load of 100MΩ 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 Approx. 9kg (including battery) *Instrument and Hard case
Accessories 7170 (Power cord[EU]) or 7240 (Power cord[UK])
7224A (Earth cord)
7225A (Guard cord)
7226A (Line probe)
7227A (Line probe with alligator clip)
8029 (Extension prod)
8212-USB (USB adapter)
Instruction manual
Optional accessories 7254 (Longer Line probe with alligator clip)

Please download “KEW Windows for KEW 3128(software)” from here.