Skip to main content
PRODUCTS ⏤ Catalog

Products

From PD host systems to TEV / HFCT / UHF partial discharge sensors — a complete product line covering partial discharge measurement and online monitoring of high-voltage power equipment.

CHAPTER 01

PD Detector

PD host system — integrated unit for partial discharge measurement and online monitoring.

2MODELS
PDD2-PRO hardware hero shot
FIG. 1.1
FLAGSHIP
01.1 PDD2-PRO

PDD2-PRO Intelligent Power Equipment Health Monitoring System

Integrated Partial Discharge, Temperature, and Humidity Monitoring System

24/7 online monitoring and testing in one system, which can be integrated with temperature and humidity monitoring for complete equipment health monitoring. Built with AMD military-grade chips and an industrial-grade fanless design, and compatible with HFCT, UHF, and TEV sensors.

Sampling Rate
2.9 GSPS (oscilloscope-grade)
Interfaces
RS-232 / RS-485 / RJ-45 / SFP
Sensors
HFCT / UHF / TEV
Connectors
BNC / SMA (optional)
Learn more → 2025
PDD2-S hero shot
FIG. 1.2
01.2 PDD2-S

PDD2-S

PD online monitoring host

24/7 online monitoring, suitable for DCDAS / RTU / SCADA integration. Provides waveform, PRPD, FFT, and historical alarm records, and can be paired with TEV, HFCT, and UHF sensors.

Learn more → 2025
CHAPTER 02

TEV Sensor Transient Earth Voltage Sensor

Surface-mount transient earth voltage sensor that captures partial discharge signals on ferromagnetic enclosures.

1PRODUCT
TEV Sensor hero shot
FIG. 2.1
02.1 TEV SENSOR

TEV Sensor

Transient Earth Voltage Sensor

Quickly detects Transient Earth Voltage (TEV) signals induced on the surface of ferromagnetic enclosures when partial discharge occurs in high-voltage power equipment. Features a strong magnetic attachment design and nanosecond-level pulse response, suitable for partial discharge monitoring across multiple high-voltage equipment types.

Learn more → 2024
CHAPTER 03

HFCT Sensor High Frequency Current Transformer

Clip-on high-frequency current transformer that measures partial discharge pulse currents on grounding conductors.

1PRODUCT
HFCT Sensor hero shot
FIG. 3.1
03.1 HFCT SENSOR

HFCT Sensor

High Frequency Current Transformer

The HFCT Sensor (High Frequency Current Transformer) provides high-sensitivity partial discharge detection and can effectively measure the high-frequency pulse currents generated by Partial Discharge (PD) in high-voltage equipment. Its clamp-on structure installs quickly on grounding conductors — suitable for on-site inspections, long-term monitoring, and 24/7 Online Partial Discharge Monitoring.

Inner Diameter
> 40 mm
Form Factor
Clamp-on / live install
Response
Nanosecond-level
Frequency
Wide range
Learn more → 2024
CHAPTER 04

UHF Sensor Ultra High Frequency Sensor

Ultra-high-frequency partial discharge sensors covering transformers, switchgear, GIS and other high-voltage equipment.

3MODELS
UHF Sensor hero shot (oil-immersed transformer type)
FIG. 4.1
04.1 UHF SENSOR

UHF Sensor

Ultra High Frequency Partial Discharge Sensor — Oil-immersed Transformer Type

An omnidirectional, high-gain, broadband UHF sensor operating from 300 MHz to 3000 MHz. The dielectric inspection window that contacts transformer insulating oil is made of reinforced nylon PA66, with a double oil-seal ring design and a detachable antenna structure. It has passed characteristic testing by Taiwan Power Research Institute.

Frequency
300 MHz – 3000 MHz
Window Material
Reinforced nylon PA66
Sealing
Double oil-seal rings
Certification
Taiwan Power Research Institute
Learn more → 2024
UHF Sensor hero shot (active type)
FIG. 4.2
04.2 UHF SENSOR

UHF Sensor

Active Ultra High Frequency Partial Discharge Sensor

A high-bandwidth, lightweight, compact partial discharge sensor with a built-in active signal receiver that improves reception sensitivity during online monitoring. Operating from 300 MHz to 3000 MHz, it is suitable for high-voltage power equipment environments with limited space.

Frequency
300 MHz – 3000 MHz
Reception
Active built-in
Structure
Wideband / lightweight / compact
Learn more → 2024
UHF Sensor hero shot
FIG. 4.3
04.3 UHF SENSOR

UHF Sensor

GIS Ultra High Frequency Partial Discharge Sensor

A high-response-bandwidth, lightweight, compact partial discharge sensor designed for fixed-point monitoring on GIS (Gas Insulated Switchgear) and high-voltage power equipment. Rugged housing and high interference immunity support long-term stable operation.

Frequency
300 MHz – 3000 MHz
Mounting
Fixed installation
Housing
Rugged / compact
Learn more → 2024