Kyoritsu 3128 Digital 12 kV Insulation Tester
Ultra High Voltage Precision Testing for Industrial Reliability
Product Overview
Kyoritsu 3128 Digital 12 kV Insulation Tester Price in Bangladesh
Kyoritsu 3128 Digital 12 kV Insulation Tester Price in Bangladesh is a premium grade electrical testing instrument designed for advanced insulation resistance measurement in high voltage industrial systems. Kyoritsu 3128 Digital 12 kV Insulation Tester Price in Bangladesh is widely used by engineers, power utility professionals, and maintenance experts for accurate diagnostics, system safety, and preventive electrical maintenance.
This high performance insulation tester is engineered to handle demanding applications such as testing cables, transformers, motors, generators, switchgear, and large electrical installations. It supports multiple test voltage ranges up to 12kV, making it suitable for both medium and ultra high voltage environments where precise insulation analysis is required.
The device features advanced diagnostic functions including polarization index, dielectric absorption ratio, dielectric discharge, and step voltage testing. These functions allow professionals to evaluate insulation condition in detail and detect early signs of deterioration before system failure occurs.
It comes with a large digital display that shows insulation resistance trends and leakage current behavior over time, helping users visually analyze test results more effectively. The built in memory function allows storage of test data for documentation and long term maintenance records.
Kyoritsu 3128 is designed with strong industrial durability, featuring a rugged body suitable for harsh field environments. It ensures stable and accurate readings even under high electrical noise conditions, making it highly reliable for critical infrastructure testing.
Safety is a key priority, with automatic discharge functionality that safely releases stored high voltage after testing. This reduces risk to the operator and ensures safe handling of the instrument after measurements.
Overall, this insulation tester is a powerful solution for professionals who require maximum accuracy, advanced diagnostic capability, and long term reliability in high voltage electrical testing applications.
Key features: Kyoritsu 3128 Digital 12 kV 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).
Specifications
Specifications: Kyoritsu 3128 Digital 12 kV Insulation Tester
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 |
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| 10T - 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) |
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 |