Partial discharge is a kind of pulse discharge, which will produce a series of physical phenomena and chemical changes such as optical, acoustic, electrical and mechanical vibration in and around the space of power equipment. These physical and chemical changes accompanying partial discharge can provide detection signals for monitoring the internal insulation state of power equipment. Partial discharge (PD) signals are produced when insulation defects appear in high voltage electrical equipment. Through the detection and analysis of the local discharge signal, it can judge whether there is insulation hidden trouble inside the high voltage electrical equipment, and prevent the further expansion of potential accidents.

Developed by our company partial discharge inspection instrument is a kind of multi-functional handheld instruments, it is based on the waves, ultrasound, high frequency and high frequency current detection method, partial discharge situation of test equipment, can be read out partial discharge amplitude and waveform graph, can provide 2 d and 3 d map storage and read function, can better evaluate electrical equipment for partial discharge. Partial discharge inspection instrument is used for local discharge detection of GIS, switch cabinet, transformer, power cable and other electrical equipment. The equipment is portable, easy to operate, and all the tests do not have any impact on the operation of the high-pressure equipment. The product can observe the measured signal in multiple periods, identify the frequency of discharge, and analyze it through a variety of modes, so as to clearly judge the fault.

Partial discharge inspection device adopts a new appearance design, the use of the current more popular Android system, easier to operate and use, in addition to integrate 5 million camera photography function for convenient inspection record; RFID is conducive to expanding the application of the Internet of Things; The discharge type library is integrated internally to facilitate the comparison and verification of discharge conditions.

 

Two, technical parameters

The host parameter

Number of detectable channels 4 channels:

1 TEV,

One of US,

1 UHF (wireless, optional),

1 HFCT (wireless, optional)

Sampling accuracy: 12bit

Synchronization mode Internal synchronization, external synchronization, optical synchronization

TEV

Detection bandwidth 3m-100mhz

Measuring range 0 ~ 60dB

Measurement error ±2dB

Resolution of 1 db

The maximum number of pulses per cycle is 720

Minimum pulse frequency 10Hz

Output port Standard SMA connects to the host

Non contact US

The center frequency is 40kHz

Resolution of 0.1 uV

Accuracy of + / - 0.1 uV

Measurement range: 0.5uV ~ 1mV

Output port Standard SMA connects to the host

Contact US

Frequency range: 20kHz ~ 300kHz

Output impedance is 50 ω

The detection sensitivity is 0.1mV

Measurement range 0.1mV to 1V

Output port Standard SMA connects to the host

UHF (optional)

The detection bandwidth is 300MHz to 1.5GHz

Output mode BNC interface - Signal conditioning unit, wireless connection to the host

Receiving mode Receiving by the antenna

Transmission mode coaxial cable

Detection sensitivity < -60dbm

HFCT (optional)

Detection bandwidth 1m-30mhz

Transmission impedance >5mV/mA(10MHz)

Output impedance is 50 ω

Measuring range -20~80dB

Measurement error ±1dB

Resolution of 1 db

Output port BNC port - Signal conditioning unit, wireless connection to the host

hardware

LCD 5.0-inch TFT true color LCD

Resolution 800 x 480

Operate touch/keys

Store the TF card

Interface 3.5mm stereo headphone jack

Power supply DC-12v /2A DC power supply

Extended features USB-TypeC/5 million camera /RFID/WIFI/ Bluetooth

The power supply

Internal power supply Battery powered (4800mAH 7.4V)

Normal working time is about 7 hours, full time is about 3 hours

size

Length x width x height 235mm x 133mm x 48mm

Weight is 0.85 kg

The environment

Ambient temperature -20 ° C to 50 ° C

Storage ambient temperature -40 ° C to 70 ° C

Humidity 10%-90% (non-condensing)

The altitude is ≤3000m

Altitude: ≤3000m

 

After-sales service

Instruments from the date of purchase within 12 months, belong to the company's product quality problems free maintenance, lifelong warranty and technical services. If you find any abnormal condition or malfunction of the instrument, please contact the company in time, so as to arrange a convenient solution for you. After-sale telephone: 15175200555