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UHF PD Tester - Yangzhou Darui

UHF PD Tester - Yangzhou Darui

Published: 2020-08-22

Views: 2431

Category: Online PD Tester

Product Description

UHF PD Tester

Darui Electric recommends:

UHF PD Tester Technical Parameters            

Technical Parameters Table

Technical Characteristics

 

Channels

2 electrical signal interfaces, one external sync interface

Sampling Rate

0.5M, 1M, 2.5M, 5M, 10M, 20Mselectable

Sampling Accuracy

12bit

Range Switching

60dB, 40dB, 20dB, 0dB, -20dBtotal 5 levels

Frequency Range

20k-100kHz, 80k-200kHz, 40k-300kHz

Range Non-Linearity Error

5%

Display

 

Display Screen

7” TFTtrue color touch LCDDisplay Screen

Resolution

800×480

Storage

 

Physical Storage

256MB  DDR2, operating memory

SDCard Storage

Standard 16G card, upgradeable to 32G, for storing test records and data

Interface

 

RS232

For synchronous transmission with PCInterface

USB

Can connect external mouse, keyboard, and external mobile storage devices

Power Supply Mode

Battery powered (16.8V Li-ion) + External Power Supply (18V) provides 8 hours of continuous operation

Electrical Signal Interface

2 channels BNC Interface(2 on front and rear panels each), for signal input

SMAInterface

External Sync Interface

SDCard Slot

Supports up to 32G SD card

Ethernet Port

Expandable

Ground Terminal

For external grounding

General Specifications

 

CPU

Clock Speed533MHz

System

WINCE6.0

Operating Temperature

-20to 45

Storage Temperature

-20to 60

Dimensions

L×W×H: 249mm × 216mm × 167mm

Weight

4.7kg


Detection Principle

PD signal propagation paths in transformers:

Pulse current (LC transmission loop)

High-frequency EM waves (requires UHF antenna in transformer)

Ultrasonic

 

PD signal sampling methods:

Broadband CT  

Antenna (requires UHF antenna in transformer)

Ultrasonic Sensor

 

 

Detection Locations

Using broadband CT (CT) signal receiving position:

Core ground wire

Neutral ground wire   

Modified bushing tap

Tank ground wire

Ultrasonic detection at tank wall.

Note: The above information and Technical Parameters are compiled and published by Yangzhou Darui Electric Co., Ltd.

 

18952707000
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Yangzhou DARUI Electric Co., Ltd.
Main Products: Dielectric Loss Tester, Transformer Ratio Tester, Loop Resistance Tester, HV Wireless Phase Detector, Insulation Resistance Tester, Partial Discharge Tester, Cable Fault Tester, DC Resistance Tester, etc.
☎ Tel: 18952707000 (Manager Guan)📞 Landline: 0514-88770377✉ Email: 195214804@qq.com
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