HVTest PDF1000 Manual

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Dear Client

Thank you for Purchasing our PDF1000 DC System Earth

Fault Detector. Please read the manual in detail prior to first use,

which will help you use the equipment skillfully.

company's products continually, so there may be

slight differences between your purchase equipment

and its instruction manual. You can find the changes

in the appendix. Sorry for the inconvenience. If you have further

questions, welcome to contact with our service department.

may bring voltage, when you plug/draw the test wire or

power outlet, they will cause electric spark. PLEASE

CAUTION RISK OF ELECTRICAL SHOCK!

Company Address:

 T4，No. 41, High-tech 2 Road，East Lake High-tech Development Zone，

Wuhan

 Sales Hotline: 86-27- 87457960

 After Service Hotline: 86-27- 87459656

 Fax: 86-27- 87803129

 E-mail: qiao@hvtest.cc

 Website: www.hvtest.cc

Our aim is to improve and perfect the

The input/output terminals and the test column

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Summary of Contents for HVTest PDF1000

Page 1 Dear Client Thank you for Purchasing our PDF1000 DC System Earth Fault Detector. Please read the manual in detail prior to first use, which will help you use the equipment skillfully. Our aim is to improve and perfect the company's products continually, so there may be slight differences between your purchase equipment and its instruction manual.
Page 2  SERIOUS COMMITMENT All products of our company carry one year limited warranty from the date of shipment. If any such product proves defective during this warranty period we will maintain it for free. Meanwhile we implement lifetime service. Except otherwise agreed by contract.
Page 3 The product is grounded through the power wire; besides, the ground pole of the shell must be grounded. To prevent electric shock, the grounding conductor must be connected to the ground. Make sure the product has been grounded correctly before connecting with the input/output port.
Page 4 －Security Terms Warning: indicates that death or severe personal injury may result if proper precautions are not taken Caution: indicates that property damage may result if proper precautions are not taken.
Page 5: Table Of Contents
Contents I. Overview..................6 II. Principle..................7 III. Specifications................8 IV. Structure and Function of Instrument........9 V. Notes....................12 Appendix 1: structural representation.........14 Appendix 2: brief method introduction........15...
Page 6: Overview
I. Overview This product is DC ground fault tester of new generation. It applies to all DC system in any voltage class, equipped with high-precision measured clamp meter, expanded the measured range and strengthened the anti-interference ability by processing many kinds of signal. Adopted excellent method of calculation and advanced Fuzzy control calculation theory, show us the advancement of the measured circuit branch by numerical value, which reflect the superiority of artificial intelligence sufficiently.
Page 7: Principle
4. Wide range of application, any power plant, transformer substation, colliery, chemical plant and others power supply departments. 5. Easy to carry, the signal receiver equipped with battery, do not need external power source. 6. DC system do not need power off when searching the ground point, do not affect the normal work of the system.
Page 8: Specifications
LCD display Signal analysis Control system Signal shaping Signal generation Signal output Signal generator principle Signal processing Fault analysis LCD display Signal receiver principle III. Specifications 1. Signal generator: Output signal frequency: 2.5Hz Signal no-load output voltage: ±20V±5% Signal voltage amplitude error: <5% Signal short circuit output current: ≤80mA Output terminal shock resistance capability: 400V DC impulse Supply voltage: AC220V±10%...
Page 9: Structure And Function Of Instrument
Input fuse: 200mA Maximum power: 3W Dimension: 300x270x200mm 2. Signal receiver Signal current measurement sensitivity: 0.5mA Impedance of signal receiver: 40KΩ Maximum output current: 2.5mA Display of receiver: number 0-19 Dimension: 210x100x32mm A jaw size: Φ50mm B jaw size: Φ7mm×9mm 3.
Page 10 2. Signal generator Fig. 1 Panel layout of signal generator Input power: When signal generator connects to ACV power supply, it can work. There is a fuse (2A) at the bottom of power outlet. Power switch: Press the end "I" of power switch to start up the instrument; press the end "O"...
Page 11 branch top that close to fault region, or connect to DC bus bar at the bottom of loop. When detecting, signal generator should be always connected to power supply terminal of DC branch, and the fault detector and the signal receiver are always testing at the load end of DC branch.
Page 12: Notes
faulted area will do the next location detection according to dichotomy, in order to quickly detect the specific fault grounded point. Assume that find ground fault at A place, and not find at B place, we can determine the fault grounded point is between A and B.
Page 13 6. When signal receiver is low battery, please replace the battery timely to improve measurement accuracy. 7. Since the receiver has high sensitivity, when testing please do not grasp it, let the receiver in quiescent state, so as not to affect detection accuracy.
Page 14: Appendix 1: Structural Representation
Appendix 1: structural representation...
Page 15: Appendix 2: Brief Method Introduction
Appendix 2: brief method introduction 1. Connect the signal generator with bus bar Red wire connect with “bus bar” （ red clip ） ; Black wire connects with “ground” (black clip); 2. Turn on the power switch of the signal generator. 3.