Radiodetection RD400PDL-2 Скачать руководство пользователя страница 12 | Manualshive

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RD400PDL-2/PXL-2 User Guide

FaultFinding

RD Accessory A-Frame

The Accessory A-Frame is can be used to find
cable faults to ground in two ways, the CD signal
method and FF signal method.

Transmitter Setup

The only method of Transmitter signal application
that can be used for fault finding is by direct
connection to the defective cable or to the sheath.

Connect the Connection Cable to the Transmitter.
Clip the Red lead to the defective cable or cable
sheath cleaning the area if necessary to ensure
connection is good.   Extend the Black lead of the
Connection Cable as far as possible and at  90° to
the probable route of the target cable then clip to a
grounding point such as a Ground Stake.  Do not
clip earth lead to water pipe or buried cable which
could carry the signal.

Note: In situations where the target cable route is
erratic or unpredictable, it may be advisable to
carry out a trace and mark the cable route. Then
return and follow the marked route carrying out
FaultFind checks at regular survey intervals.

Switch the Transmitter On.

Using the Transmitter A-V-O key, select the Ohms
mode,

'- - -'

is displayed. Press and hold the Line

key until the resistance reading is displayed.

If the resistance is higher than 20 kilohms, 'Or'
(Over Range) will be displayed.

On/Off

A-V-O

Up

Line

Select

Mode

Down

FF Normal

FF Boost

Connect 24V

Connect 50V

Lf

8k

33k

65k

User Hz

Multi

Radiodetection Corp.
PO Box 623
Ridgewood, NJ07451, USA

Radiodetection

Radiodetection Ltd.
Western Drive
Bristol BS14 0AZ, UK

01/MH1054L1ENG/3

Connect

Fuse

12V

Adaptor

Serial No.

«
...
10
11
12
13
14
...
»

Содержание RD400PDL-2

Страница 1: ...RD400PDL 2 PXL 2 User Guide Revision 0 04 97 ...

Страница 2: ...escribes how to use the RD400PDL 2 PXL 2 to locate trace pinpoint measure depth current and find current direction RD400PDL 2 only FaultFinding RD400PDL 2 only This section describes how to locate and pinpoint faults to ground on cables or cable sheaths using the Accessory A Frame and RD400PDL 2 Receiver EMS Marker Location This section describes how to locate EMS Markers using the RD400PXL 2 EMS ...

Страница 3: ...at followed by Receiver switching off Unscrew battery compartment cover and replace 12 x LR6 AA Alkaline batteries Observing correct battery polarity as indicated on battery holder Shift Key 3 Provides access to secondary functions on some keys Self Test 4 Press to initiate Self Test while Shift is held down tSt is displayed momentarily followed by PAS Pass or FAL Fail If the Receiver fails the Se...

Страница 4: ...onding to Transmitter active modes Frequencies Modes available CD frequency Lf Low frequency 8 8192 Hz 33 32768 Hz 65 65536 Hz Power Radio User defined frequency User defined frequency Speaker 6 Press to increase or decrease loudspeaker level while Shift key is held down Peak Null 7 Press to select either Peak response Null response or Accessory Socket if an accessory is connected The pointer indi...

Страница 5: ...o automatically reduce indication level A numeric representation of meter deflection percentage is displayed above bargraph Actual Receiver gain level 0 to 100 is displayed next to Gain symbol Backlight 10 One press for On further press for Off while Shift key is held down Defaults to Off at switch on to conserve batteries Line Sonde 11 Press to select Line or Sonde mode The pointer indicates sele...

Страница 6: ...inter indicates when Accessory Socket has been selected On some Receiver variants selection is automatic when accessory is connected and on others selection must be made by pressing Peak Null key Error Codes Error Codes are displayed where gain dB level normally appears accompanied by an Err message Operational Errors Error 9 Indicates that signal is too small or too large to measure Depth Current...

Страница 7: ...wer energy signals but can be detected by locating re radiated radio signals No transmitter is needed to locate in the Power and Radio modes Active Mode Apply the transmitter signal and switch on Select desired frequency Refer to Tx Use section Select the required transmitter frequency on the receiver Select Peak and Line modes Adjust gain so bargraph is approximately mid scale Holding Receiver bl...

Страница 8: ...until minimum signal is detected Receiver blade is now in line with target line Rotate Receiver back through 90 so that blade is again across target line Move Receiver side to side and observe maximum response over centre of signal Receiver blade is now over target line and across it Moving Receiver steadily from side to side follow line of maximum response keeping blade vertical and across the ta...

Страница 9: ...arget line Stop every 10 20 paces and check position Periodically switch back to Peak to confirm position Note Although the Peak position of a line is more difficult to identify it is usually more accurate than the Null position Depth Reading to a Line Depth readings can only be accurately performed when using the active transmitter mode Pinpoint target line as previously described Hold Receiver v...

Страница 10: ...cribed Press the Current key once Current reading is displayed for a few seconds CD RD400PDL 2 only Set Transmitter to provide a CD signal Using Frequency Mode key select CD mode hold Receiver over target line close to and with back to Transmitter CD Reset RD400PDL 2 only Before using Current Direction information a CD reset must be carried out Refer to the appropriate Receiver section When reset ...

Страница 11: ...ceiver blade vertically and IN LINE with Sonde move from side to side to obtain a Peak response Note Ghost peaks will be found either side of main Peak response Move Receiver backwards and forwards to obtain a second Peak response Rotate Receiver clockwise and anticlockwise to obtain a third Peak response The Receiver is now directly over and in line with Sonde Pinpoint and mark at regular interva...

Страница 12: ... such as a Ground Stake Do not clip earth lead to water pipe or buried cable which could carry the signal Note In situations where the target cable route is erratic or unpredictable it may be advisable to carry out a trace and mark the cable route Then return and follow the marked route carrying out FaultFind checks at regular survey intervals Switch the Transmitter On Using the Transmitter A V O ...

Страница 13: ...ointer will flash Press the Select key to set the Transmitter to the CD mode the pointer will stop flashing Note Lf will also be selected as the CD signal utilizes this frequency Connect the A Frame to the Accessory Socket of Receiver Switch the Receiver On and select CD using the f key On Off A V O Up Line Select Mode Down FF Normal FF Boost Connect 24V Connect 50V Lf 8k 33k 65k User Hz Multi mA ...

Страница 14: ...arrow until the exact point is found where the arrow changes direction The centre line of the A Frame is now directly over the fault provided that the operator is pinpointing the fault above the known cable location If the location of the cable is not certain use Peak mode to pinpoint the cable then return to the CD mode to pinpoint the fault again FF Signal Method Carry out the procedure in the T...

Страница 15: ...eiver display will indicate the dB level with a forward pointing arrow Note Both the meter bargraph and audio are disabled during FF Follow the cable route pushing the A Frame spikes into the ground at regular intervals and check for a forward pointing arrow When the backward pointing arrow is displayed move the A Frame backwards or forwards as indicated by the direction of the arrow until the exa...

Страница 16: ...cent to the paving Reduce the distance between placing the spikes in the ground to allow for the increased distance to the actual fault position Locate the cable using the Receiver in Peak mode The fault is where the two lines cross If the cable runs under a road use the equipment as normal on the road surface as it can sometimes detect signals when working on blacktop concrete or paved surfaces I...

Страница 17: ...ant to the receiver s configuration Initial Setting Up To activate the EMS Marker Locate Mode press the Peak Null key 1 as necessary to select Accessory indicated on the display by the Accessory Socket flag 2 The Marker Type Code is displayed for four seconds and can be changed by holding the Shift key 4 and pressing the Line Sonde key 5 repeatedly to cycle through the following list Marker Type C...

Страница 18: ...iclockwise for Lo The buried conductor signal gain is controlled automatically in this mode When a marker is located a variable audio tone is sounded Marker Locate Only To select the EMS Marker Locate Mode only with no Buried Conductor Locate Mode press the Hot Key 13 This will allow the marker to be pinpointed Marker Type Code selection and Gain control are as previously described Connection of O...

Страница 19: ...f Low Frequency Direct Connection and CD Clamp only 8k 8kHz Induction and Direct Connection 33k 33kHz Induction and Direct Connection 65k 65kHz Induction and Direct Connection User Hz User defined Frequency Direct Connection only FF Normal Normal FaultFind Direct Connection only FF Boost Boost FaultFind Direct Connection only Multi Multi Frequency Direct Connection only On Off A V O Up Line Select...

Страница 20: ... A V O Amps Volts Ohms 7 Default mode displayed is output current A one press selects and displays voltage V a second press selects and displays load impedance ý a third press returns to default mode Line 8 Used in conjunction with A V O key Press and hold the Line key to display the line voltage in the V mode and the line resistance in the ý mode On Off A V O Up Line Select Mode Down FF Normal FF...

Страница 21: ...eplace only with fuse of same rating Security Tether Point 14 Allows a chain etc to be threaded through hole for tethering the Transmitter to telecom pole or other point for security Battery Access Cover 15 Release the cover fasteners and replace 8 x LR20 D cells Observe correct battery polarity as indicated on instruction label On Off A V O Up Line Select Mode Down FF Normal FF Boost Connect 24V ...

Страница 22: ...audio alarm to sound and voltage is displayed on the LCD To reset alarm press Speaker key 24V Direct Connection Warning Some telecom lines cannot allow line voltages which exceed 24V to be placed on them To cater for these lines refer to the Up and Down key options black earth red live On Off A V O Up Line Select Mode Down FF Normal FF Boost Connect 24V Connect 50V Connect Fuse Lf 8k 33k 65k User ...

Страница 23: ...d Connection Socket 3 Accepts Connection Cable or optional accessories such as Signal Clamp Live Cable Connector or Live Plug Connector which when connected disables the Induction mode Batteries Access Panel 4 No tone indicates that all batteries require replacing Unscrew fastener and replace 4 x LR20 D cells Observe correct battery polarity as indicated on instruction label Loudspeaker Emits a pu...

Страница 24: ...nsmitter Connection Cable Red cable connects the Transmitter signal directly to target line Black cable provides the ground return via Ground Stake Ground Stake Ground Stake is for making a ground connection to provide a return signal Red Black ...

Страница 25: ...ly and not from the target line To check point the Receiver directly at the Transmitter If the Receiver signal strength increases either reduce the transmitter power or increase the distance from the Transmitter If the Receiver signal strength decreases the received signal is from the buried line Direct Connection Suitable for use on continuous tracer wire water and gas distribution systems a tele...

Страница 26: ...oudspeaker Signal Clamp The Signal Clamp safely applies a signal to a pipe or a live cable without interrupting the supply It applies a very discriminating signal with reduced coupling to other conductors Warning To avoid the risk of electric shock the signal clamp must be connected to the transmitter before being placed around the pipe or cable Procedure Connect the Signal Clamp to the Transmitte...

Страница 27: ... detectable on the supply system to a few hundred paces each side of the point of application Note Do not connect the Transmitter to live cables without using a Plug Connector or Live Cable Connector Procedure Connect the Live Plug Connector to the Transmitter and to the live domestic power socket Switch on the socket Note Live Plug Connector contains a protection unit to protect the user and the ...

Страница 28: ... be disposed of in accordance with your Company s work practice and or the relevant law or guidelines in your country This instrument or family of instruments will not be permanently damaged by reasonable electrostatic discharge and has been tested in accordance with IEC 801 2 However in extreme cases temporary malfunction may occur If this happens switch off wait and switch on again If the instru...

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