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Help CenterPortable Partial Discharge Tester PD Inspection Detector
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Portable Partial Discharge Tester PD inspection Detector
What is Partial Discharge(pd)?
In electrical engineering, partial discharge (PD) is a localized dielectric breakdown (DB) of a small portion of a solid or fluid electrical insulation (EI) system under high voltage(HV) stress, which does not bridge the space between two conductors. While a corona discharge (CD) is usually revealed by a relatively steady glow or brush discharge (BD) in air, partial discharges within solid insulation system are not visible.
HZ-9007 Portable partial discharger inspector Overview:
Portable partial discharge inspector is mainly used for live detection of high voltage electrical equipment. This product is simple to operate and adopts portable structure design which can inspect on line. It equips with specific sensors to detect various high-pressure devices, which can detect the insulation state changes inside the equipment timely. So the insulation failure could be dealt with in time.
HZ-9007 Portable partial discharger inspector Technical Parameter:
1) Sensor type: high frequency current sensor, UHF sensor, TEV sensor, ultrasonic sensor
2) TEV transient earth voltage measurement: detecting frequency band: 1M-100MHz
Detection range: 0-80dbmV
Resolution ratio: 1dB
Accuracy: ±1dB
3) Non-contact ultrasonic measurement: detection range: -5dBuV~70dBV
Resolution ratio: 1dB
Accuracy: ±1dB
Sensor sensitivity: -65dB
Sensor center frequency: 40Hz
Sensor diameter: 16mm
Heterodyne frequency: 38.4KHz
4) UHF measurement: detection range: -80dBm-0
Detecting frequency band: 300MHz-1500MHz
Resolution ratio: ±1dB
Sensor sensitivity: equivalent altitude >13mm
5)HFCT high frequency current measurement: detection range: 1pC-10000pC
Sensor detecting frequency band: 1MHz-100MHz
Sensor transfer impedance:>12mV/mA
Resolution ratio: 1pC
6) Contact ultrasonic measurement: Sensor detecting frequency band: 20kHz-200kHz
Sensor peak sensitivity:>70dB
Resolution ratio: 1dB
7)Synchronization mode: internal synchronization, wireless external synchronization
8) Alarm threshold setting and indication function: partial discharge indication (right side color bar indicator), tap shift indication (red color is suggested to shift the gear), battery power indication.
9) Working power: high capacity Li-ion battery pack, once charging can work six hours.
10) Peripherals storage interface: 16G Micro SD card
HZ-9007 Portable partial discharger inspector Product Configuration:
Item |
Description |
Display screen |
3.5 inch color LCDs; display resolution: 320×240 |
Sensor |
UHF sensor; AE ultrasonic sensor; TEV transient voltage sensor; HFCT high frequency current sensor |
External tapping |
Sensor external interface: headset interface; Micro SD card (16G); Charging port; USB port |
Ext. dimension |
L×W×H (225mm×100mm×70mm) |
Wight |
0.5kg |
HZ-9007 Portable partial discharger inspector Application:
Partial discharge measurement is applicable to cables and accessories with various insulation materials, such as polyethylene or paper-insulated lead-covered (PILC) cable. Partial discharge measurement is routinely carried out to assess the condition of the insulation system of rotating machines (motors and generators), transformers, and gas-insulated switchgear.
From the date of purchase within one year instrument, is a product quality problem free repair replacement, lifetime supply of maintenance and technical services. The instrument has found anomalies or malfunctions please contact us to arrange the most convenient treatment options.
HuaZheng Electric Manufacturing (Baoding) Co.,Ltd is founded in 2008,the supplier of the State Grid in China.It means we are the supplier of the Chinese Government.And our products spread throughout the whole China.
Our main products : Insulation Oil Tester, Cable Fault Locator, High Voltage Generator,transformer tester, relay protection tester,insulation resistance tester,Power Quality Analyzer and so on.
Close to Tianjin port, the transportation is convenient. our customers come from More than 50 countries, like America, England, Bulgaria, Brazil, Chile, Malysia, Vietnam and so on.
What's more, gurantee 1 year,life long maintance .Products through the CE, ISO, IEC certification, quality and reliable, factory price.
Warmly welcome all partners to join us for mutual benefits cooperation.
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