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- KEW 3128
HIGH VOLTAGE INSULATION TESTER
KEW 3128
• 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)
• 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)
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 | |
| 50.1～500GΩ ±20%rdg (*) |
101G～1TΩ ±20%rdg |
251G～2.5TΩ ±20%rdg |
501G～5TΩ ±20%rdg |
1.01～10TΩ ±20%rdg |
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| 10.1 - 35TΩ Values are displayed, but accuracy isn't guaranteed |
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| 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) |
40.0nF - 1.00μF (Display range : 5.0nF - 60.0μF) (10000V/12000V) |
|---|---|---|
| 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) 0ºC - 40ºC /Relative humidity 85% or less (when operating with battery, no condensation) |
| Storage temperature and 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.) |
| 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-W (USB adapter with KEW Windows (Software)) Instruction manual |
| Optional Accessories | 7254 (Longer Line probe with alligator clip) |
Accessories/Optional Accessories /Related Products
- Product Catalogue
- Instruction Manual
- Selection Guide
- Software
