GDPD-505H Handheld Online Partial Discharge(PD) Inspector For Substation

• Customization: Available
• Type: Universal Testing Machine
• Load Way: Electronic Load
• Model NO.: GDPD-505H
• Loading Method: Dynamic Load
• Display: Digital
• Control: Computer Control
• Weight: 0-100Kg
• Power Source: AC220V
• Measurement channel: 2-4 independent channels
• Sampling rate: Max.250MHz each channel
• Detection sensitivity: 1PC
• Measurement range: 1PC~10000PC
• Dynamic range: > 80dB
• Transport Package: Standard Export Wooden Box
• Specification: 135*80*25 mm
• Trademark: HV Hipot
• Origin: Wuhan, China
• HS Code: 9030899090
• Production Capacity: 5000set/Year

Product Description

GDPD-505H Handheld Online Partial Discharge(PD) Inspector For Substation


General Information

GDPD-505H Handheld Partial Discharge Detector is used for detecting and locating partial discharge of transformer and high voltage electrical equipment.
It consists of main unit, partial discharge detection software, HFCT, calibrated pulse generator, 150khz contacted ultrasonic sensor, synchronous signal converter and connecting line.

Features
 

1. Handheld design, robust and reliable.
2. Strong anti-interference ability, detection data accurately. Using digital filtering technology, effectively eliminate field interference.
3. High-sensitivity sensor that can sensitively reflect the partial discharge state inside the device.
4. Connection is simple and convenient 
5. Multi-functional software
6. The partial discharge display result of this software is in accordance with IEC60270 standard, and can be displayed by using pC and mV .

Specifications

Standard
IEC60270 "partial discharge measurement"
GB/T7354 "partial discharge measurement"

Working Ambient
Ambient temperature: -10ºC~50ºC
Relative humidity: ≤95%
Altitude: ≤1000m

Main unit parameter
Measurement channel: 2-4 independent channels
Sampling rate: Max.250MHz each channel
Detection sensitivity: 1pc
Measurement range: 1pc~10000pc
Dynamic range: > 80dB
Bandwidth of 3dB measurement band: 10KHz ~ 30MHz
Digital filter: Arbitrarily set in the range of 50KHz - 30MHz
Power supply: AC220V±10%; frequency 50Hz; power <50W

Sensor parameter

HFCT
Detection bandwidth: 50KHz - 30MHz
Signal transmission mode: 50Ω coaxial cable
Detection sensitivity 10pC

Calibrated pulse generator

Standard pulse voltage: 0.1V(10pC), 0.5V(50pC), 1.0V(100pC), 5.0V(500pC)
Output frequency: 50Hz~1KHz(step 50)
Injection capacitance: 100pF
Rise time: <30ns
Decay time: ≥100μs
Output internal resistance: <1000
Calibration charge amount error: <±15%
Dimension and weight: 135*80*25 mm, about 275g

150KHz contact magnetic adsorption ultrasonic sensor

Detection frequency: center frequency 150KHz
Signal transmission method: 50Ω coaxial cable
Effective sensitivity: 10pc (measured in a 5mm thick steel plate tank, one meter range of pure oil)

Synchronous signal converter

Input amplitude range: 20-250V
Input frequency range: 40-300Hz
Signal output range: TTL level
Signal transmission method: 50Ω coaxial cable