High performance withstand voltage tester provides reliable performance for routine safety compliance checks. This high voltage withstand voltage tester with built-in memory groups and multiple test modes, the RK7122 supports flexible test management for different products, its intuitive interface and simple operation allow users to quickly configure test parameters, reducing setup time and improving testing efficiency.

LCD Backlit LCD Screen

Five Memory Group Capacities; The "SET" Button Automatically Enters the Memory Group Setting Mode

SISCO hipot tester is used to test the insulation strength of electrical devices and systems by applying a high voltage to ensure they can withstand electrical stress without breakdown. It is commonly applied in industries such as electronics, automotive, medical devices, telecommunications, power distribution, renewable energy, industrial machinery, and construction to verify electrical safety, prevent failures, and ensure compliance with safety standards.
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| Model | SISCO-HT-RK7122 |
| Withstand Voltage Test | Yes |
| Output Voltage (Hipot) | AC: 0 ~ 5 kV; DC: 0 ~ 6 kV |
| Output Accuracy | ± (2% of setting + 5V) |
| Test Current Range | AC: 0.10 ~ 12.00 mA; DC: 0.10 ~ 5.00 mA |
| Current Accuracy | ± (2% of setting + 2 Counts) |
| Insulation Resistance Test | Yes |
| Insulation Output Voltage | DC: 0.10 ~ 1.00 kV |
| Resistance Range | 1 ~ 1000 MΩ |
| Resistance Accuracy | ± (5% reading + 2 Counts), DC ≥ 500V± (7% reading + 2 Counts), DC < 500V |
| Display Accuracy | ± (2% of setting + 1 Count) |
| Test Time | 0.2 ~ 999.9 s |
| Output Frequency | 50Hz / 60Hz (Selectable) |
| Input Power | Single phase 47 ~ 63Hz, 115V / 230V AC ±15% (Selectable) |
| Communication Interface | Input: Test / Reset; Output: Pass / Fail / Test / Process |
| Alarm System | Buzzer, LCD display “FAIL”, Indicator light |
| Memory Groups | 5 groups, each with 4 test modes (W, IW→I, I→W automatic) |
| Keyboard Lock | Optional: Lock / Unlock |
| Dimensions | 390 * 280 * 90 mm |
| Weight | 8.5 kg |
Q1: What is hipot tester?
A1: AC-DC test transformer, using advanced production equipment, using the coil winding epoxy vacuum casting and CD-type core of the new technology, and similar products compared to oil-immersed transformers, significantly reduce the weight, reduce the volume, in quality to improve the insulation strength and resistance to moisture degree, and effectively weaken the leakage of magnetic and greatly enhance the transformer to withstand the impact of test short-circuit current capacity.
Q2: Is high voltage testing destructive?
A2: Hipot (or high potential testing) is a non-destructive test that goes by many names: overvoltage testing, dielectric breakdown testing, dielectric withstand testing, or insulation resistance testing. Some of all of these tests are designed to make sure that the insulation materials used in your motor are doing their job.
Q3: What is the difference between the hipot and the Megger?
A3: Both instruments apply a relatively high voltage to the insulator and absorb leakage current through the insulator commensurate with its insulation characteristics and condition. However, the megohmmeter gives the operator a measured value, while the hipot acts.
Tips: What is an AC/DC withstand voltage tester?
An AC/DC withstand voltagetester (hipot tester) is a device used to check the insulation strength of electrical products. It applies a high voltage (AC or DC) between conductive parts and the product’s housing or ground to ensure there is no breakdown or excessive leakage current.
This test helps detect insulation defects and ensures the product is safe to use. It is widely used in manufacturing and quality control to meet safety standards and prevent risks like electric shock or short circuits.
Thank you for buying industrial test and measurement equipment on SISCO.com, all products sold by SISCO and the partner cover a 12 months warranty, effective from the date of receiving the products.
SISCO is responsible for providing free spare parts, and free technical support to assist the customer to repair the defective products until the problem is solved.