MSVLF VLF Hipot Tester Specifications: 30 kV to 90 kV 

MSVLF VLF Hipot Tester Specifications: 30 kV to 90 kV 

 MSVLF VLF Hipot Tester Specifications: 30 kV to 90 kV 

 Review MSVLF VLF hipot tester voltage ratings, 0.1 Hz to 0.02 Hz output, capacitance limits, protection features and international cable-testing standards.

vlf hipot tester, Ultra-Low Frequency Generator, Very Low Frequency (Vlf) Generator, (Vlf) Generator, Very Low Frequency Cable Tester

What Are the MSVLF VLF Hipot Tester Specifications?

The MSVLF vlf hipot tester is designed for very-low-frequency AC cable testing, with supplied specifications listing output frequencies of 0.1 Hz, 0.05 Hz and 0.02 Hz. Model-dependent voltage options extend from 30 kV to 90 kV, with automated control, multiple protection functions and data-recording features.

Which Technical Parameters Should Buyers Review?

The supplied model designation is MSVLF-30kV/60kV/90kV/1.1uF 0.1Hz. The broader product information also lists 40 kV, 50 kV and 80 kV options. Buyers should confirm the exact model code and rated output before ordering.

Parameter Supplied specification
Model designation MSVLF-30kV/60kV/90kV/1.1uF 0.1Hz
Rated voltage options 30, 40, 50, 60, 80 and 90 kV, configuration-dependent
Output frequency 0.1 Hz, 0.05 Hz and 0.02 Hz
Maximum load at 0.1 Hz 1.1 µF
Maximum load at 0.05 Hz 2.2 µF
Maximum load at 0.02 Hz 5.5 µF
Measurement accuracy 1%
Positive/negative peak voltage error ≤3%
Voltage waveform distortion ≤5%
Protection action time ≤10 ms
Operating temperature -10°C to +40°C
Relative humidity ≤85% RH

The table reflects supplied product data, not independently verified laboratory measurements. Confirm whether the listed voltage options, capacitance ratings and accuracy values apply to the specific unit being purchased.

How Does Digital Frequency Conversion Support Testing?

A Very Low Frequency (VLF) Generator produces alternating test voltage below 1 Hz. The MSVLF product description specifies digital frequency conversion and microcomputer control for voltage ramp-up, ramp-down, measurement and protection. Automated functions can help technicians follow a consistent procedure. The operator must still verify cable identification, test settings, connected capacitance, environmental conditions and acceptance criteria before energizing the circuit.

Which Protection Functions Are Included?

The supplied product description identifies overvoltage protection, high-voltage-side overcurrent protection and low-voltage-side overcurrent protection. The stated protection action time is ≤10 ms. The description also specifies optical control between the low-voltage controller and high-voltage generator. A high- and low-voltage closed-loop negative-feedback circuit is described as preventing capacitive voltage rise under the specified operating conditions. Request the official technical manual to confirm the exact regulation limits and protection thresholds.

How Do the Interface and Data Functions Help Technicians?

The equipment description includes a capacitive touchscreen, Chinese-character LCD display, automatic storage, automatic printing and Chinese/English language switching. For traceable test records, retain the instrument model, serial number, calibration status, cable identification, output frequency, applied voltage, duration, environmental conditions and acceptance criteria. Automatic storage is useful for documentation but does not, by itself, establish calibration traceability or regulatory compliance.

Can the MSVLF Be Used Outdoors?

The supplied operating limits are -10°C to +40°C and relative humidity of no more than 85% RH. The product is described as compact and lightweight for outdoor work. Actual dimensions, transport weight, power requirements and weather restrictions should be confirmed with the supplier. Outdoor testing still requires a controlled test zone, suitable barriers, grounding and safe cable-discharge procedures.

Which International Standards Are Relevant?

IEEE 400.2-2024 provides guidance for VLF field testing of shielded power cable systems. IEC 60502-2:2014+AMD1:2024 covers construction and test requirements for specified extruded-insulation power cables rated from 6 kV to 30 kV. Its scope should not be generalized to every voltage option of the MSVLF instrument. Where partial-discharge measurements are required, IEC 60270:2025 addresses charge-based PD measurement. A VLF output specification alone does not establish that an instrument includes PD measurement capability.

What Should a Purchase Inquiry Include?

Provide the supplier with the required maximum test voltage, cable type, estimated total capacitance, preferred frequency, local power supply and operating environment. Ask for the model-specific datasheet, operating manual, rated load-versus-frequency information, calibration documentation, accessories and warranty terms. These documents allow engineers to compare actual instrument capabilities with project requirements rather than relying on a general product description.

Frequently Asked Questions

Q: Does the MSVLF support all three listed frequencies?

A: The supplied product information lists 0.1 Hz, 0.05 Hz and 0.02 Hz. Confirm the availability and ratings of the exact ordered configuration.

Q: What is the maximum stated capacitance at 0.02 Hz?

A: The supplied specification states 5.5 µF. Confirm the permitted voltage and load combination in the model datasheet.

Q: Where can engineers request technical documentation?

A: Visit www.musenelectric.com to request the applicable MSVLF specifications and operating manual.

Expert Review and Authoritative References

Technical Content Reviewed by: High-Voltage Diagnostic Specialists

Entity: MSVLF VLF Hipot Tester Series

Review scope: Supplied technical parameters, equipment operation and standards relevance. No unverified certification, customer testimonial or independent test result is claimed.

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