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Prototek LineFinder LF2000, Handbook

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Prototek LineFinder LF2000 Handbook Download Page 1

DIGIT

AL

 UNDER

GR

OUND L

OC

ATIN
G

BREAKING NEW GROUND UNDERGROUND

HOW TO GET THE MOST OUT OF YOUR

DIGITAL LOCATING TOOLS FROM PROTOTEK

0416a

LF2000

LF2200

Training Videos for using

 

Prototek LineFinders 

are available on our web site

www.prototek.net/video-training

Scan this with your 

Smart Phone 

for help in the field

Summary of Contents for LineFinder LF2000

Page 1: ...ROUND HOW TO GET THE MOST OUT OF YOUR DIGITAL LOCATING TOOLS FROM PROTOTEK 0416a LF2000 LF2200 Training Videos for using Prototek LineFinders are available on our web site www prototek net video training Scan this with your Smart Phone for help in the field ...

Page 2: ... 800 541 9123 Fax 360 779 1510 prototeksales prototek net Corporation P O Box 1700 19044 B Jensen Way NE Poulsbo WA 98370 If you cant find the answer in this manual go to our web site www prototek net 31 Your Notes ...

Page 3: ...s faster in line tracing mode when you are directly above the line which is technically a null This was done because we felt it was a more intuitive response when tracing lines Only newer LF2200s include the Menu option of setting the Power frequency Earlier models and the LF2100 required Prototek to set the frequency This user feature can be added to an existing LF2200 for those who need it Newer...

Page 4: ...Pacific Time M F to help you understand locating techniques and solve on site problems E mail works too and be sure to check our web site under How Locating Works We are constantly innovating and we welcome your ideas We Guarantee Common Sense We have fun doing what we do so you can too The LF2200 adds line tracing capabilities to the already powerful features of the LF2000 Locates any frequency s...

Page 5: ...f you get stuck www prototek net prototeksales prototek net 1 Please note These instructions should be considered guidelines not gospel Every locating job presents unique challenges and although most will yield to textbook procedures as described here many will require a creative approach We strongly advise that you familiarize yourself with the fundamentals of digital locating as described in the...

Page 6: ...ob of keeping the background interference to a minimum 2 Product Specifications The BuzzBox Line Exciter is the companion to the LF2200 or any other line tracing receiver that operates at a compatible frequency Enclosed in a tough durable weatherproof case Supplied with a set of 6 foot cables with clamps and a 9 inch stainless steel ground rod Operates in either Conductive or Inductive mode Tracks...

Page 7: ...to follow all of the locating steps in the operating instructions It s easy to think when you find a peak signal that your job is done The LF Series receivers will show you a sonde image on the Sonde screen at many different places but only one of them is the actual location of the sonde Pay particular attention to the Crossing screen on the LF receiver where you walk in a circle around the peak s...

Page 8: ...creen the handle vibration and solid track lines also occur when the LF2200 is in line with the direction of the line Note that this is not the way the LF2100 works on this screen Automatic depth readings is not available in Power mode The presence of signal in Power mode is very dependent on the power being drawn through the buried line Be prepared for the signal to suddenly disappear if the load...

Page 9: ... Inductive mode on a power line riser The signal will follow the line when it turns to run horizontally underground Step 1 The Peak Screen Go ahead and push the switch to the right to get to the Peak Screen You may hear some noise but the digital display should read under 10 and possibly say signal too weak Let s look at the features on this screen that are typical of all the locating screens Batt...

Page 10: ...ethod is to use a sonde on the end of the cable and locate using the sonde procedures If finding the exact end point of a line is important you can put a sonde on the end as well as using the Conductive procedures allowing you to trace the line and pinpoint the end of the cable Recognizing Nulls Depending on the orientation of the transmitter with respect to the receiver you may encounter dead spo...

Page 11: ...d step for locating with our Digital receivers Many people figure that the Peak screen got them to the transmitter and they move straight to the Sonde screen to get the black sonde icon And then they complain that the transmitter is not where it said it was Learn what this screen has to tell you and you ll be right on the money every time Most of the time this screen is showing it will look just l...

Page 12: ...licking to almost nothing lighting of the red LED and appearance of the symbols shown here Note if the transmitter is deeper than about 15 feet you may not see these nulls at this point That s not important now we will return to them later Front or Back Null image Remember that the Crossing Nulls we just marked indicate the direction the transmitter is lying and presumably a pipe it is in lies the...

Page 13: ... which of these spots is the actual location is to have first found the crossing nulls with the Crossing screen The exact location of the sonde is along the line through the crossing nulls Step 4 The Depth Screen Now that you know for sure where to stand so that the sonde is directly below the receiver it s time to deter mine its depth Holding the receiver at chest height click the rocker switch o...

Page 14: ...ou until the little pointer points to FAR on the left side of the screen Walk around the general area where you think the transmitter should be Sweep the receiver slowly in a 3 foot arc turning your body as you go Select the right Transmitter There are three main considerations when selecting a transmitter or sonde to send into a line for a locating job choosing the frequency that will work best i...

Page 15: ...eak or Track and set the sensitivity to FAR Walk around the area where you will be locating and check for any indications in the unit such as LED flash or handle vibration Buried power lines nearby computers other electrical sources can all cause the receiver to respond as though there is a transmitter in the area Mark any of these hot spots so you won t be fooled by them when you re locating Test...

Page 16: ...al is strong 12 Note a key difference between sonde locating and line tracing with a sonde you are approaching the signal source so the signal keeps getting stronger and the sensitivity is automatically lowered with line tracing you are moving away from the source so the signal is getting weaker and you may need to raise the sensitivity manually as you go Walk all the way to the end of the line yo...

Page 17: ...n the vicinity or even other buried metallic material such as pipes can distort the apparent magnetic field around a power line and give misleading results if you are not prepared to expect it If the magnetic field produced around an energized power line is perfectly circular as it would be in total isolation the locations indicated by both Peak and Null modes would be the same and they would be a...

Page 18: ...w directly perpendicular to the direction the line is running To track the power line switch to the Track screen Null Power mode by clicking the thumb switch to the right Notice that the track lines on the Power screen are just like the ones for active line tracing in line with the way you walk The handle will vibrate and the red LED will light when you are directly over the energized power line j...

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