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Metrotech 810 DX, Инструкции по эксплуатации

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810DX 9/9/2008 REV D 

21

one utility.  The signal is broadcast in all directions and can couple to every nearby utility through 
electromagnetic induction. It is possible to reduce the broadcasting signal by pressing the power 
output level button to change the power level from high to medium or medium to low. 
The transmitter induction antenna will be “ON” when there is no plug in the output jack. 
Sometimes it is not possible to gain access to the pipe or cable to make a direct connection or to 
use the MetroClamp.  In these cases use the Transmitter’s internal antenna. Three power levels 
can be selected when the Transmitter is “ON”, it will broadcast the signal from the internal 
antenna. No ground connection is needed when a signal is induced onto the target utility.   
 

1 

Position the Transmitter - 

Remove any cable or clamp plug from the OUTPUT JACK.     

             Position the Transmitter across the buried utility as indicated on Figure 6-3.

 

 
 

 

 

 

Figure 6-3:  Transmitter Position for Inductive Tracing 

 

2 

Turn the Transmitter ON.   

 

4 

Tracing the utility - Refer to Section 6.2 

 

6.2  Receiver Operation -   

When tracing a utility, always be alert to surrounding conditions 

which could interfere with the accuracy of your locate. Adjacent utilities pull the signal away from 
the target utility and can be misleading in both position and depth of the utility. Periodically sweep 
to each side of the utility to check for the presence of other utilities. The Receiver Left/Right 
Guidance System will indicate a second centerline, or will behave erratically if there is signal 
interference.

  

 

6.2.1 Receiver Set-up 

 

1 

Turn the Receiver ”ON” - 

Turn Receiver ON with quick press of ON/OFF DEPTH 

button.

 

 

2 

Check Battery Charge - 

The amount of battery charge will appear in the battery symbol 

in the upper left corner of the Receiver LCD. Replace the batteries if the symbol does not 
have any bars. See Section 8.3 for battery replacement. 

 
3 

Sweep the area - 

Hold the Receiver at a comfortable angle and make a 360-degree 

sweep 8 to 10 feet (2.5 to 3 m) around the connection point. During this sweep, stop at 
each centerline, note the signal strength. To do this, make sure the signal strength is 
below ”999”. Position the Receiver over the centerline and press the ON/OFF DEPTH 
button.

 

 
 
 
4 

Check for air coupling (Inductive mode only) - 

When using the inductive method, 

Содержание 810 DX

Страница 1: ...Clara CA 95054 Nashville TN 37211 Dr Herbert Iann St 6 800 446 3392 800 624 6210 96148 Baunach Germany 408 734 1400 Direct 615 366 7323 Direct 49 9544 680 408 734 1415 Fax 615 360 9855 Fax 49 9544 2273 Fax www metrotech com nashville metrotech com service sebakmt com sales metrotech com Warranty One year Specifications Subject to change without notice ISO 9001 2000 Certified Copyright 2008 All Rig...

Страница 2: ...ality standard guidelines of ISO 9001 2001 and ensures quality in its design development production installation and servicing disciplines Metrotech Corporation 2008 Metrotech Corporation 3251 Olcott Street Santa Clara CA 95054 Tel 1 800 446 3392 1 408 734 1400 Fax 1 408 734 1415 E mail sales metrotech com Internet www metrotech com Revision D 9 9 08 ...

Страница 3: ...7 Advanced Locating Techniques 25 7 1 Ground Survey 25 7 2 Adjacent Utilities 26 7 3 Deep Utility 27 7 4 Tracing Long Runs 27 7 5 Locating a Service Lateral 27 7 6 Locating a Bend or Dead End 27 7 7 Valves Manhole Cover T s and Risers 27 7 8 Common Bonded Utilities 28 7 9 Congested Areas 29 7 10 Determining If You Have a Ghost Utility 30 7 11 Pipes with Insulated Junctions 30 7 12 Distribution Sys...

Страница 4: ...eceiver LCD Display 15 Figure 4 7 810Dx Receiver LCD Display Depth Mode 15 Figure 5 1 Connect Transmitter Leads 17 Figure 5 2 Aim Receiver at Transmitter 18 Figure 6 1 Direct Conductive Connection 19 Figure 6 2 Inductive Coupling with the MetroClamp 20 Figure 6 3 Transmitter Position for Inductive Tracing 21 Figure 6 4 Receiver Position for Tracing 22 Figure 6 5 Receiver Position When Determining ...

Страница 5: ...d Area 29 Figure 7 7 Correct Coupling for Congested Area 29 Figure 8 1 Replacing the D Cell Transmitter Batteries 31 Figure 8 2 Replacing the D Cell batteries with the NiMH battery pack 31 Figure 8 3 Recharging the NiMH battery pack with the Wall Mount Charger 31 Figure 8 4 Recharging the NiMH battery pack and operating from an external 12 volt DC supply 32 Figure 8 5 Replacing the 810Dx Receiver ...

Страница 6: ... de energized and out of service Never make a direct connection to a live power cable 4 If you use the MetroClamp on energized electrical or control lines follow appropriate safety procedures to avoid the risk of injury 5 Pay special attention when using a locator in high traffic areas 3 810Dx QUICK START GUIDE FOR THE EXPERIENCED USER 1 Check Batteries Turn Transmitter ON If the battery status is...

Страница 7: ...z 800B004 Conductive Attachment Direct Connect Assembly Ground Rod 10826 Hard Carrying Case 10943 Operation Manual Figure 4 1 Model 810Dx Pipe and Cable Locator Standard Equipment 1 810Dx Receiver 2 810Dx Transmitter 3 Conductive Attachment 4 Ground Rod 5 Operation manual 6 Carrying Case 4 2 810Dx R Standard Equipment NiMH Transmitter Batteries ...

Страница 8: ...embly Ground Rod 10826 Hard Carrying Case 10943 Operation Manual Notice Please contact factory for wall mount chargers versions outside of USA and Canada Figure 4 2 Model 810Dx Pipe and Cable Locator with NiMH Transmitter Batteries 1 810Dx Receiver 2 810Dx Transmitter 3 Conductive Attachment 4 Ground Rod 5 Operation Manual 6 Carrying Case 7 Wall Mount Charger 4 3 Accessories ...

Страница 9: ...tive Coupling 4890 8 MetroClamp For Inductive Coupling 400B246 Conductive Attachment Telephone style Clips 400A132 100 Ground Lead Extension 10873 12 volt DC power lead For use with external power source e g Vehicle cigarette lighter and transmitter battery recharging 10126 Live Power Connector 4 4 Technical Specifications ...

Страница 10: ...250VAC Battery Type Six D Cells Optional NiMH Battery Life Alkaline 100 hours Continuous use NiMH 50 hours Continuous use depending on power selection External power source 12VDC auto line input Battery Check Continuous Operating temperature 4º to 122º F 20º to 50º C Environmental resistance IP54 Dimensions 8 5 L x 4 63 W x 7 0 H 21 6 x 11 8 x 17 8 cm Weight w D Cell 5 16 lbs 2 34 kg w NiMH 5 48 l...

Страница 11: ...2 for the location of the controls and indicators described below Output Jack Insert the Direct Connect cable or the MetroClamp cable into this jack Located under the connection cover of the Transmitter Inductive Position Place the transmitter over your targeted utility as shown on the label of the transmitter External Power Charger Jack The transmitter can be powered by external 12VDC supply e g ...

Страница 12: ... resistance offered by the utility the ground the connection point and the Power level selected The indicated Output Level is used to determine the potential quality of the locate Most importantly the Output Level check will indicate if the Output is too low for good locate Low Output Level is an indication of high resistance in the circuit reducing the Output Level Low Output Level means low sign...

Страница 13: ...er level modes Please see Fig 4 4 Standard Alkaline D cells or Rechargeable Batteries Battery compartment can accommodate standard D cell alkaline batteries or Metrotech supplied NiMH battery pack Smart charging circuit automatically detects presence of Alkaline or NiMH battery pack Battery level Indicator Indicates battery charge status Inductive Antenna Provides locating capability where direct ...

Страница 14: ...e ON OFF DEPTH button Turn OFF by extended press 3 seconds on ON OFF DEPTH button Take depth reading by quickly pressing the ON OFF DEPTH button Button Press once to turn the backlight on Press once to turn the backlight off Volume UP DOWN buttons Change speaker volume by pressing UP button or DOWN button Receiver emits tone at new volume level Battery Charge Status Operating Frequency Signal Stre...

Страница 15: ...ensitive Left Right Guidance and signal strength 1 Battery Status 2 Operating Frequency 3 Distance Sensitive Left Right Guidance 4 Signal Strength Figure 4 6 810Dx Receiver Display The receiver displays depth estimation in feet and inches or centimeters Figure 4 7 810Dx Receiver LCD Display Depth Mode 1 2 3 4 Depth Button ...

Страница 16: ...on guiding you to the target utility Battery Charge Status Continuously displays remaining battery charge status provides flashing low power alert Depth Button Provides quick depth estimation in feet and inches or in cm Real Time Continuous Gain Adjustment Automatic gain continuously optimizes the sensitivity of the Receiver eliminating the need for manual gain adjustment Simultaneous Peak and Nul...

Страница 17: ...h indicated by a flashing LED Note battery charge status If charge is low replace or recharge Transmitter batteries 3 Perform output check by pressing the output power level button continuously The flashing LED will change to a constant LED at high confirming Transmitter and Conductive Attachment is in good working condition 4 Turn the Receiver ON Slowly swing the Receiver side to side while point...

Страница 18: ...a live power cable Always test the cable first and make sure the power cable has been taken out of service is fully discharged and grounded before you make a direct connection to it If you use the MetroClamp on energized electrical or control lines follow appropriate safety procedures to avoid the risk of injury 6 1 Transmitter Set up 6 1 1 Check the Battery Turn the Transmitter ON by pressing the...

Страница 19: ...a ground Extend the BLACK lead of the Direct Connect Cable at a right angle as far as possible from the utility Press the ground spike into the ground as far as possible then attach the black clip If the ground spike cannot be used connect to appropriate ground using an extension reel Look for a convenient existing ground such as a metal street sign Be careful not to get close to or cross any adja...

Страница 20: ...ive Coupling with the MetroClamp If direct connection is not possible Inductive Coupling is the next best method of applying signal onto the target utility MetroClamps are available in three sizes 2 inch 4290 4 inch 4490 and 8 inch 4890 Place an inductive MetroClamp around the utility MetroClamp Ground Requirements When using a MetroClamp around a cable both ends of the cable must be grounded This...

Страница 21: ... 6 2 Receiver Operation When tracing a utility always be alert to surrounding conditions which could interfere with the accuracy of your locate Adjacent utilities pull the signal away from the target utility and can be misleading in both position and depth of the utility Periodically sweep to each side of the utility to check for the presence of other utilities The Receiver Left Right Guidance Sys...

Страница 22: ...ar is to the right move to the right When centered over the utility the vertical bar will be centered between the arrows B Audible Tone is an audible guide to the utility When the tone is pulsing move to the left When the tone is steady move to the right When centered over the utility there is no tone NULL C Signal Strength the numerical signal strength should be the highest when over the target u...

Страница 23: ...th the 810Dx Receiver 2 The depth reading Hold the Receiver vertically over the centerline with the tip to ground Press and release the On Off Depth arrow button The depth in feet and inches or centimeters is displayed for 3 seconds When determining depth the Receiver Left Right Guidance System must be centered within 3 bars from the centerline in order to get a depth reading If it is not the unit...

Страница 24: ...te another centerline Mark this spot on the ground See Figure 6 8 4 Repeat this process on the opposite side of the utilities 5 Calculate depth One half the distance between the two centerlines is the approximate depth of your utility NOTE The Left Right sensors are used in the triangulation method Figure 6 7 Receiver Position for Triangulation Figure 6 8 Locate Centerline 6 2 5 Triangulation for ...

Страница 25: ...nd utilities A ground survey is a process to locate all the underground utilities within a particular area It includes standard locating and a blind search A blind search is a search for utilities with unknown sources and endings The 810Dx must be operated in the Inductive Mode using a systematic grid approach 7 1 1 Locating Utilities First use one of the three modes of operation Direct Connect mo...

Страница 26: ...ections go back and use the standard inductive mode Section 6 1 2 C to trace the path of each utility you have marked 7 1 3 Subdividing Large Search Areas If you are working in a large search area subdivide it into several smaller areas Then complete the blind search as outlined above for each smaller area before going on to the next one 7 2 Adjacent Utilities When the signal strength drops off mo...

Страница 27: ...cedure Operator 1 remains stationary holding the Receiver as if to trace the main Operator 2 carries the Transmitter holding it parallel to the main line and maintaining a minimum of 100 ft 30 m between himself and the Receiver He she walks parallel to and 5 feet 1 5 m from the main on the side he expects to find the service laterals See Figure 7 3 The Receiver signal strength will increase as Ope...

Страница 28: ...l on the target can cause all the utilities to carry the same signal making it difficult to identify the target utility To verify that you are tracing the targeted utilities note the field strength at a known location of the utility As you trace any change in field strength should be gradual If either reading changes abruptly you are probably no longer over your targeted utility NOTE This method w...

Страница 29: ... 7 2 Improving the ground connection or moving the grounding point 3 Determine the location of the adjacent utilities Then check to be sure that neither the direct connect cable or the ground cable cross over any of the adjacent utilities Reposition them if necessary 4 If you are inducing you can decrease the interfering signal by changing the position of the Transmitter Find the location of the i...

Страница 30: ...complished by temporarily connecting a jumper cable to a ground spike at the end of a service where the pipe or tracer wire comes out of the earth Be sure to remove the ground connection after completing the locate so as not to defeat the cathodic protection system 7 14 Non Metallic Pipes To trace nonmetallic pipe sewer line or duct send the signal through the pipe by inserting the appropriate 83k...

Страница 31: ...line D cells with Metrotech supplied NiMH rechargeable battery pack make sure to install battery with positive end first See Figure 8 2 Figure 8 2 Replacing the D Cell batteries with a NiMH battery pack Figure 8 3 Recharging the NiMH Transmitter Battery with the Wall Mount Charger 8 3 Recharging the 810Dx Transmitter NiMH Battery If you have purchased a 810Dx with a rechargeable NiMH Transmitter b...

Страница 32: ...icated by the flashing LED at 100 50 25 8 2 2 12 volt DC external power supply The Transmitter may be powered from a vehicle 12 volt DC for operation from an external power supply or recharging the NiMH batteries For battery charging the rule of thumb is to double the charging time to determine how much operating time you will have For example 10 minutes of charging will give you 20 minutes of loc...

Страница 33: ...ery compartment out of the unit Slide the battery compartment cover to gain access to the batteries 4 Always remove all of the batteries before replacing any of them to avoid confusion as to which are fresh and which are depleted 5 Replace batteries following polarity marked on inside of battery compartment 6 Slide battery compartment cover back into position in the battery compartment 7 Replace b...

Страница 34: ...4 6210 TN 1 615 366 7323 Fax 1 615 360 9855 Email nashville metrotech com Metrotech European Service Center Seba KMT Dr Herbert Iann St 6 96148 Baunach Germany Tel 49 9544 680 Fax 49 9544 2273 Email Service sebadyn de For a Repair Service request form go to www metrotech com techsupport asp Download and print the Repair Service request form Fill the requested information and place the form in the ...

Страница 35: ...y vary between different countries COPYRIGHT NOTICE The information contained in this document is for informational purposes only and is subject to change without notice Metrotech Corporation makes no warranty of any kind with regard to the information contained in this manual including but not limited to the implied warranties of merchantability and fitness for a particular purpose Metrotech shal...

Страница 36: ...rts other than those approved by Metrotech Warranty does not include batteries Expendable items such as fuses and lamps are excluded Any detection product proved defective under this warranty will be repaired or replaced free of charge at the Metrotech Corporation factory or approved Metrotech repair station The equipment should be returned to our factory by prepaid transportation after requesting...

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