UHF Partial Discharge Detector

Detection performance

Detection frequency band

300MHz-1500MHz (mainstream)

Sampling rate

Up to 250 MS/s

Dynamic range

≥40dB

Input Channel

4-channel synchronous acquisition, N-type sensor interface, supports external noise reference channel to achieve interference suppression.

Phase synchronization

Map Analysis and Defect Identification

PRPD Mapping — Phase-Resolved Partial Discharge Mapping

PRPS Mapping — Pulse Sequence Mapping

Time-domain waveform analysis

Spectrum Analysis

Identifiable defect types : suspending discharge , metal particle discharge , tip corona discharge , air gap (internal) defects.

Location function

Positioning method

Time difference method (multi-sensor combination)

Positioning accuracy

≤ 1 m

Noise and Interference Handling

Hardware-wise: Built-in notch filter effectively suppresses power frequency and specific frequency band interference.

Software level: Noise gating algorithm, which can separate and suppress external interference signals such as mobile communication signals on site.

Data storage and export

Stored content

spectral data, time-domain waveform data

Export method

USB interface/Wi-Fi wireless export

Report generation

Supports one-click export of test reports

Overall Specifications

Total weight

0.4-0.8kg (main unit)

Structural form

Handheld and portable design, supporting both handheld and strap-on operation.

Power supply method

Built-in lithium battery

Battery life

Continuous work for 7-12 hours

Overall power consumption

<10W

Environmental adaptability

Operating temperature

-20°C to +60°C

Storage temperature

-40°C to +85°C

relative humidity

5%-95% (non-condensing)

Electromagnetic compatibility

Meets the EMC industrial immunity standards of the power industry

Matching sensors

type

External ultra-high frequency (UHF) antenna sensor

Coupling method

Basin-type insulator coupling

Equivalent height

>10 mm

Interface impedance

50Q (Coaxial Signal Cable)