3M Dyantel 2250 Operator'S Manual Download Page 1 | Manualshive

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September 1999
78-8097-6518-9-B

Dynatel

™

2250

Advanced Cable Locator

Operators Manual

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Summary of Contents for Dyantel 2250

Page 1: ...September 1999 78 8097 6518 9 B Dynatel 2250 Advanced Cable Locator Operators Manual ...

Page 2: ...er Frequencies 12 Selecting Auxiliary Frequencies 12 Determining Cable Depth and Current 13 Using Current Indications During Locating 14 Locating an Active Duct Probe ADP 15 Determining ADP Depth 15 Locating EMS Markers 16 Locating Markers while Tracing Cable Path 16 Locating Markers Using the receiver 16 Toning Aerial Faults 17 Transmitter Setup 17 Receiver Setup 17 Cable or Pair Identification 1...

Page 3: ...g and to pinpoint or verify a buried cable The Receiver detects 50 or 60 Hz AC Power signals and also measures the signal current in a cable and displays its magnitude The depth of buried cables or sondes may also be displayed Note For more detailed locating instructions and advanced locating techniques ask your 3M sales representative or call 800 426 8688 for a free publication called Cable and P...

Page 4: ...ress to toggle between normal Null bar graph display Null flag will flash and inverse Null bar graph display Null flag is solid See section About Trace Modes Page 11 for further information Page 3 RECEIVER BATTERY TEST The Receiver batteries are tested for two seconds every time the unit is turned on The time interval can be extended by pressing and holding During the battery test the bar graph sh...

Page 5: ...EXTERNAL DC POWER AND 5 WATT OUTPUT If the unit has the option A the Transmitter can be operated from an external 12VDC source as well as its internal batteries Use the supplied cigarette lighter adapter cable to connect the DC power from a vehicle s battery source to the Transmitter s external power jack located next to the output jack Note The internal batteries will not be recharged with extern...

Page 6: ... will damage equipment and cause personal injury and death Make all direct test connections before turning on the Transmitter Then activate the Transmitter in the Ohms mode and check the display for voltage readings Follow standard procedures for reducing the voltage WARNING Potential for electrical shock exists when handling connecting cables while the Transmitter is in the TRACE FAULT or TONE mo...

Page 7: ...le ground no tone poor or no ground Note In the ohms mode the Transmitter can detect voltage as well as ohms If a low voltage is detected the display will alternate between displaying ohms and volts When displaying ohms the flag over the will be visible When displaying volts the flag over the V will be visible When the voltage magnitude is sufficient to impair the accuracy of the ohms measurement ...

Page 8: ...ncy and the output signal current It is best to choose the lowest frequency for direct connect with far end ground and a high frequency for direct connect with no far end ground Press to select high output level for longer tracing distances and deep cables Transmitter setup is finished now go to LOCATING A BURIED CABLE RECEIVER SETUP Page 10 Page 7 ...

Page 9: ...e Dyna Coupler around the cable below any bonds just before the cable enters the earth The jaws of the coupler must fully close Press to turn Transmitter on Press again to select 8 33 or 200 kHz Select high output level by pressing Transmitter setup is finished now go to LOCATING A BURIED CABLE RECEIVER SETUP PAGE 10 Page 8 ...

Page 10: ...lect either 33 kHz or 200 kHz For greater tracing range select high output level by pressing Note If the Receiver is less than 50 feet from the Transmitter it can pick up signal through the air For best results keep the Receiver away from the Transmitter by at least that distance Transmitter setup is finished now go to LOCATING A BURIED CABLE RECEIVER SETUP PAGE 10 Page 9 ...

Page 11: ...igh or high expanded The high expanded setting causes the audio to cut off below a certain threshold Press to select a locate mode Peak Null or Diff To select Special Peak mode from Peak mode press and hold then press to toggle between Peak and Special Peak modes While in Special Peak mode the peak flag will flash Note Peak Special Peak or Null mode may require re setting the Receiver gain Press w...

Page 12: ...ication of the relative position of the cable to the Receiver by displaying right or left arrows the arrow points toward the cable The bar graph increases to a maximum as the Receiver antenna is moved directly over the cable path Speaker response is a high warbling tone to the right of the cable path a low warbling tone to the left and a solid tone directly over the cable Special Peak Mode This mo...

Page 13: ...e Hz symbol will flash indicating that alternate frequencies are available To change the selected power frequency press and hold then press to select the next Power frequency Selecting Auxiliary Frequencies Auxiliary frequencies are used to trace cables without using frequencies supplied by the 2250 transmitter the Receiver may be able to detect these auxiliary frequencies depending on the model 3...

Page 14: ...h Press and the display will indicate the cable depth and relative current Current is displayed in the lower left corner of the display Press twice to continue tracing You may also press to return to Trace mode Note During a depth current measurement the display will exhibit when the received signal is too low too high or erratic Page 13 ...

Page 15: ...ce current readings for 512Hz 560 Hz and all additional auxiliary frequencies except 31 5 kHz are displayed in milliamps For all other trace frequencies every ten units on the current display represents a factor of two in current magnitude When the Transmitter signal is applied using the Dyna Coupler the Transmitter current display indicates the current in the coupler and not in the cable In order...

Page 16: ...ndle perpendicular to the conduit path locate the ADP position by moving along the path until a peak is found Press when the bar graph remains either fully open or fully closed Refer to the ADP operating instructions for further information Determining ADP Depth Place the Receiver Antenna on the ground directly above the located ADP position maintaining the handle orientation perpendicular to the ...

Page 17: ...of a detected marker Note Do not use Null or Differential modes when using the 2205 or 2206 Locating Markers using the Receiver If the buzzer response is too broad the exact marker position may be pinpointed by using the Receiver Select 577 Hz or 33 kHz on the Accessory Use a different frequency from the tracing signal Turn the Receiver ON select Peak mode and set the frequency to match the Access...

Page 18: ...ed conductor and the Black clip to ground Press to turn the Transmitter on in the Ohms mode to verify the fault Press once more to select the Tone mode Press to change the high output level Receiver Setup Press to turn the Receiver on Press to select Tone mode Connect a toning coil to the Receiver accessory jack Press to select the low toning frequency 577 Hz Move the toning coil along the cable a...

Page 19: ...o change the high output level CABLE IDENTIFICATION Receiver Setup Press to turn the Receiver on Press to select Tone mode Connect a second Dyna Coupler to the Receiver accessory jack using the earth frame cable or another coupler cable Press to select the highest toning frequency 200 kHz Check the first cable in the group by clamping the Dyna Coupler around the cable Press and observe the numeric...

Page 20: ...z Insert Probe into the bundle of pairs or group if known and press Next divide the pairs into two bundles and insert the Probe into each of the bundles and observe the numeric display The bundle with the highest reading will contain the target pair Continue by dividing the bundle with the target pair into two parts and checking each part for the highest signal In this way the target pair will be ...

Page 21: ... Locating Accessory single frequencies 2206 EMS Marker Locating Accessory all frequencies 3005 1 inch Dyna Coupler 3011 Inductive Probe 3019 3 inch Dyna Coupler Kit includes 9011 Coupler Cable and Pouch 3229 Active Duct Probe sonde 9011 Coupler Cable 9023 Probe Cable 9043 Ground Extension Cable Page 20 ...

Page 22: ...Passive Power 50 Hz or 60 Hz user selectable L50 60 5th harmonic H50 60 9th harmonic 100 120 for rectified power frequencies Auxiliary T Model 31 5 kHz 512 Hz and 560 Hz P Model 31 5 kHZ Trace Modes Dual Peak Special Peak Dual Null Differential Depth Range 0 to 360 inches 0 to 914 cm Depth Accuracy 10 1 digit for 0 to 60 inches 0 to 152 cm 15 for 60 to 180 inches 152 cm to 457 cm 20 for 180 to 360...

Page 23: ...Page 22 Notes ...

Page 24: ... the 3M product Except where prohibited by law 3M will not be liable for any loss or damage arising from this 3M product whether direct indirect special incidental or consequential regardless of the legal theory asserted Important Notice All statements technical information and recommendations related to 3M s products are based on information believed to be reliable but the accuracy or completenes...

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