Kyoritsu 3125B High Voltage Insulation Tester — Standard for Insulation Testing
The Kyoritsu KEW 3125B High Voltage Insulation Tester is the industry-recognised de facto standard for high voltage insulation testing, trusted by electrical professionals worldwide. It offers insulation resistance measurement up to 1TΩ, short-circuit current up to 1.5mA, and a wide test voltage range from 250V to 5000V. With PI and DAR diagnosis functions, a robust and ergonomic design, this tester is built for demanding industrial, electrical and substation applications.
Key Specifications
| Specification | Details |
|---|---|
| Model | KEW 3125B |
| Test Voltage | 250V / 500V / 1000V / 2500V / 5000V |
| Insulation Resistance | Up to 1TΩ |
| Short Circuit Current | 1.5mA |
| Voltage Measurement | 30 to 600V AC (50/60Hz), ±30 to ±600V DC |
| Accuracy | ±5%rdg±3dgt (insulation), ±2%rdg±3dgt (voltage) |
| Power Source | DC12V: LR14/R14 (size C) x 8pcs |
| Dimensions | 177(L) x 226(W) x 100(D) mm |
| Weight | 1.9kg (with batteries), 4kg (with accessories) |
| Safety Standard | IEC 61010-1, CAT IV 300V / CAT III 600V |
| Compliance | Complies with EU regulations (CE marked) |
| Brand | Kyoritsu |
| Origin | Japan |
Test Voltage & Measuring Range
| Test Voltage | Measuring Range |
|---|---|
| 250V | 0.0 to 100.0MΩ |
| 500V | 0.0 to 99.9MΩ, 80 to 1000MΩ |
| 1000V | 0.0 to 99.9MΩ, 80 to 999MΩ, 0.80 to 2.00GΩ |
| 2500V | 0.0 to 99.9MΩ, 80 to 999MΩ, 0.80 to 9.99GΩ, 8.0 to 100.0GΩ |
| 5000V | 0.0 to 99.9MΩ, 80 to 999MΩ, 0.80 to 9.99GΩ, 8.0 to 99.9GΩ, 80 to 1000GΩ |
Features & Benefits
-
Wide Test Voltage Range — 250V to 5000V
-
Insulation Resistance up to 1TΩ
-
PI and DAR Diagnosis Function
-
Robust & Ergonomic Design
-
Noise Filter Function
-
Large Display with Bar Graph & Backlight
-
Live Voltage Warning
-
Auto Discharge Function
Standard Accessories
- 7165A Line probe
- 7264 Earth cord
- 7265 Guard cord
- 8019 Hook type prod
- 9204 Carrying case (Hard)
- LR14 alkaline batteries x 8
- Instruction manual
Optional Accessories
- 7168A Line probe with alligator clip,
- 7253 Longer line probe with alligator clip
- 8302 Adaptor for recorder
Applications
- High voltage cable and motor insulation testing
- Substation and switchgear maintenance
- Industrial equipment insulation diagnosis
- Power generation and transmission testing
- Preventive and predictive maintenance programmes
Why Choose Kyoritsu KEW 3125B?
- Industry de facto standard for high voltage insulation testing
- Wide 250V–5000V test voltage range
- Insulation resistance measurement up to 1TΩ
- Advanced PI and DAR diagnostic functions
- IEC 61010-1 CAT IV 300V / CAT III 600V certified
- Comes complete with tough hard carrying case
- Trusted Kyoritsu professional instrument quality — Made in Japan
Order by 4PM to get delivered next working day! We use 24 hours service with carriers in most cases so that you can get your order delivered on time.
Free delivery for total orders above RM500, otherwise additional charges costs are calculated at checkout based on your order’s weight and delivery location.
Further details please click here for more info.
Please notify us within 14 calendar days of receiving your product to request a free exchange or full refund, if eligible. We will cover all return shipping costs, and no restocking fees will apply in this case.
Requests made after 14 days may be accepted at our discretion and will be subject to a 10% restocking fee. Techno Tools & Equipment reserves the right to reject any return request found to be ineligible.
Further details please click here for more info.