The handheld switchgear partial discharge detector is used to detect and measure instantaneous ground voltage discharge and surface discharge in the switchgear, and display the discharge waveform and discharge amount in real time on the LCD screen. This instrument adopts a portable design with a handgun, which can directly scan and detect on the outer shell of the switchgear without any impact or damage to the operation of the switchgear. At the same time, it stores and replays the measured signals on a TF card for observation, and can hear the sound of discharge using the provided headphones.

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1. Host

√ Display screen: 4.3-inch color TFT LCD capacitive touch screen

√ Signal input channel: TEV x 1, air coupled ultrasonic x 1

√ Power interface: DC 12V

√ Headphone jack: 3.5mm

√ Data storage: Supports TF card storage and export

√ Battery: 12V, 2500mAH

√ Operation time: greater than 4 hours

Weight:<1kg

√ Size: Body size: 240mm × 240mm × 80mm

Handle size: 146mm × 46.5mm × 40mm

2. TEV measurement

√ Sensor type: Capacitive coupling type

√ Sensor installation method: Built in

√ Frequency range: 10-100MHz

√ Measurement range: 0-50dB

√ Accuracy: ± 1dB

√ Resolution: 1dB

3. Ultrasonic measurement

√ Sensor type: air coupled type

√ Sensor specifications: Built in type

√ Resonant frequency: 40kHz ± 1kHz

√ Measurement range: -10dBuV to 70dBuV

√ Sensitivity: -68dB (at 40.0kHz, 0dB=1 Volt/μ barrms SPL)

√ Accuracy: ± 1dB

√ Resolution: 1dB

4. Power supply:

√ Normal working hours: greater than 4 hours

√ Battery protection: When low voltage is measured, please charge it promptly.

5. Battery charger

Rated voltage: 100-240V

√ Frequency: 50/60Hz

√ Charging voltage: 12V

√ Charging current: 0.5A

√ Time required for full charging: approximately 7 hours

√ Working temperature: 0-55