Profile:
This partial discharge patrol inspection instrument is applicable to live detection of high voltage equipment such as substation, switch cabinet, transformer and cable. It can be used in industrial environment of - 20 ℃ - 50 ℃ and supports four detection modes of TEV, ultrasonic wave, UHF and HFCT. It is easy to operate and can accurately identify potential insulation hazards.
Features:
Product features (detailed version):
Multi-mode fusion detection, fully covering partial discharge type
Integrating four mainstream partial discharge detection technologies, TEV (earth wave), ultrasonic (contact/non-contact), UHF (ultra-high frequency) and HFCT (high frequency current), which can flexibly switch according to different equipment structures and discharge characteristics, significantly improving detection rate and diagnosis accuracy.
Intelligent analysis, accurate fault identification
Built-in standard discharge type database, supporting automatic comparison between measured signals and typical atlas;
Provide two-dimensional (PRPD/PRPS) and three-dimensional discharge maps, intuitively showing discharge phase, amplitude and repetition rate;
It has multi-period signal observation and discharge frequency identification functions to effectively distinguish interference from real defects.
Industrial portable design, suitable for complex site environment
The whole machine is only 0.85kg, small in size (180 × 110 × 40mm), and can be held by one hand;
Operating temperature: - 20 ℃ - 50 ℃, humidity: 10% - 90% RH (non-condensing), meeting rigorous working conditions of outdoor and substation;
Hour long endurance (4800mAh large-capacity battery), supporting charging and using at the same time, guaranteeing all-day patrol inspection.
Humanized interactive experience
Android system+5-inch 800 × 480 true color touch screen, simple interface and smooth operation;
It supports touch control+physical button double operation and can be controlled accurately with gloves;
Built-in 5 megapixel camera, one-button shooting of equipment nameplate or abnormal parts, automatic generation of strip chart report.
Efficient data management and expansion capacity
Data is stored in the TF card, supporting unified archiving of atlas, audio and photos;
USB - Type C, Wi-Fi, Bluetooth RFID， Convenient for data export, remote cooperation and future access to intelligent operation and maintenance platform;
Mm earphone interface, real-time monitoring of ultrasonic discharge sound, auxiliary manual judgment.
It is safe and undisturbed
All inspections are non-intrusive and live online measurement, which will not affect the normal operation of the equipment and greatly improve the inspection efficiency and safety.
Comply with authoritative standards and result is credible
Strictly comply with GB/T 7354, DL/T 417, GB/T 16927 series and other national and industrial standards, and the test data has professional recognition.
It is applicable to insulation state evaluation in electric power operation and maintenance, equipment manufacturing, rail transit, petrochemical, new energy and other fields, and is a core tool to prevent electrical accidents and realize state maintenance.
Parameter:
The following is a summary of the complete technical parameters of the PD patrol inspection instrument (classified by module, clear and concise):
1、 Host general parameters
Number of detection channels: 4 channels (TEV/ultrasonic/UHF/HFCT)
Sampling accuracy: 12 bit
Synchronization mode: internal synchronization, external synchronization and optical synchronization
Operating system: Android
Display screen: 5.0 "TFT true color LCD screen, resolution of 800 × 480
Operation mode: touch+physical keys
Storage: support TF card expansion
Interface: USB-Type C, 3.5mm earphone hole Wi-Fi、 Bluetooth RFID
Camera: 5 megapixel, used for field photo recording
2、 Parameters of each detection module
TEV (earth wave)
Detection bandwidth: 3 MHz – 100 MHz
Measurement range: 0 – 60 dB
Measurement error: ± 2 dB
Resolution: 1 dB
Maximum pulse number/cycle: 720
Minimum pulse frequency: 10 Hz
Interface: SMA
Ultrasonic (US)
Non-contact type
Center frequency: 40 kHz
Measuring range: 0.5 μ V – 1 mV
Resolution: 0.1 μ V
Precision: ± 0.1 μ V
Contact type
Frequency range: 20 kHz – 300 kHz
Measurement range: 0.1 mV – 1 V
Detection sensitivity: 0.1 mV
Output impedance: 50 Ω
Interface: SMA
UHF (UHF, optional)
Detection bandwidth: 300 MHz – 1.5 GHz
Detection sensitivity:<- 60 dBm
Receiving mode: external antenna
Transmission mode: coaxial cable (BNC interface)
Connection mode: wireless connection host (via signal conditioning unit)
HFCT (HF current transformer, optional)
Detection bandwidth: 100 kHz – 50 MHz
Measurement range: - 20 dB – 80 dB
Measurement error: ± 1 dB
Resolution: 1 dB
Transmission impedance:>5 mV/mA (@ 10 MHz)
Output impedance: 50 Ω
Interface: BNC (Wireless Connection Host)
3、 Power supply and endurance
Power supply mode: built-in lithium battery (7.4V/4800mAh)+DC 12V/2A external power supply
Working time: about 7 hours
Charging time: about 3 hours
4、 Physical specifications
Size: 180 mm x 110 mm x 40 mm
Weight: 0.85 kg
5、 Environmental adaptability
Operating temperature: - 20 ℃ -+50 ℃
Storage temperature: - 40 ℃ -+70 ℃
Humidity: 10% - 90% RH (non-condensing)
Altitude: ≤ 3000m
6、 Comply with standards
GB/T 7354 Partial Discharge Measurement
DL/T 417 Guide for Field Measurement of Partial Discharge of Electric Power Equipment
GB/T 16927.1/. 2/. 3 High-voltage Test Techniques
This parameter list is applicable to product manuals, bidding documents or official website details page, and can also be collated for you in case of simplified version or English version.
