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Jual High Voltage Insulation Testers KEW 3128

 

High Voltage Insulation Testers

KEW 3128

KEW 3128
CE AutoDischarge
 
• 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).
  • CAT4 600V DCACV Backlight USB AutoPowerOff 500V 1000V 2500V 5000V 1KV~10KV 12KV External
 

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

Rated voltage 500V 1000V 2500V 5000V 10000V 12000V
Max measurement value 500GΩ 1TΩ 2.5TΩ 5TΩ 35TΩ
Accuracy 400k~50GΩ ±5%rdg±3dgt
(*)
800k~100GΩ 5%rdg±3dgt 2M~250GΩ ±5%rdg±3dgt 4M~500GΩ ±5%rdg±3dgt 8M~1TΩ ±5%rdg±3dgt
50G~500GΩ
±20%rdg
(*)
100G~1TΩ
±20%rdg
250G~2.5TΩ
±20%rdg
500G~5TΩ
±20%rdg
1T~10TΩ
±20%rdg
10T - 35TΩ
Values are displayed, but accuracy isn't guaranteed
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 ±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 5.00nA - 2.40mA (Depending on the insulation resistance)

Capacitance measurement

Measuring range 5.0nF ~ 50.0μF
(500V/1000V/2500V/5000V)
5.0nF - 1.0µF (display range: 5.0nF - 50.0µF) (10000V/12000V)
Accuracy ±5%rdg±5dgt

General

Applicable standards IEC 61010-1 CAT IV 600V Pollution degree 2,
IEC 61010-031, IEC 61326, IEC 60529 (IP64): with the lid closed.
Operating temperature & humidity range -10ºC - Relative humidity 85% or less
50ºC /(when operating with an external power supply, no condensation)
0ºC - 40ºC /Relative humidity 85% or less
(when operating with battery, no condensation)
Storage temperature & humidity range -20ºC - 60ºC / Relative humidity 75% or less (no condensation)
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 100MΩ at the Insulation resistance 12000V Range.)
approx. 2 hours
(Max current consumption in range while rated currents are maintained.)
Dimensions 330 (L) × 410 (W) × 180 (D) mm *Instrument and Hard case
Weight 9kg approx. (including battery) *Instrument and Hard case
Included 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
Optional Accessories 7254 (Longer Line probe with alligator clip)

 

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