Huazheng HZJF-9007 Fully Functional Partial Discharge Inspector

Sensor type: high frequency current sensor, UHF sensor, TEV sensor, ultrasonic sensor

TEV transient earth voltage measurement: detecting frequency band: 1M-100MHz

Detection range: 0-80dbmV

Resolution ratio: 1dB

Accuracy: ±1dB

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

UHF measurement: detection range: -80dBm-0

Detecting frequency band: 300MHz-1500MHz

Resolution ratio: ±1dB

Sensor sensitivity: equivalent altitude >13mm

HFCT high frequency current measurement: detection range: 1pC-10000pC

Sensor detecting frequency band: 1MHz-100MHz

Sensor transfer impedance：>12mV/mA

Resolution ratio: 1pC

Contact ultrasonic measurement: Sensor detecting frequency band: 20kHz-200kHz

Sensor peak sensitivity：>70dB

Resolution ratio: 1dB

Synchronization mode: internal synchronization, wireless external synchronization

Alarm threshold setting and indication function: partial discharge indication (right sidecolor barindicator), tap shift indication (red color is suggested to shift the gear), battery power indication. 

Working power: high capacity Li-ion battery pack, once charging can work six hours. 

Peripherals storage interface: 16G Micro SD card