RD4OOOTL - The Hireman
Contents
1. OOO OOOO Display Features 1 On Off Key Switches the transmitter on and off and acts as the menu select key 2 Measurement Indicator Indicates which measurement is being taken 3 Induction Mode Symbol displayed when induction mode is selected 4 Transmitter Indication Symbol displayed the entire time he transmitter is switched on 5 Clamp Indicator Symbol Displayed when a Signal Clamp is connected 6 Direct Connection Indicator Symbol Displayed when transmitter is connected to line using direct connection 7 Text Display submode and menus alarms 8 Numeric Frequency Display Displays the output frequency and measurement units being used 9 Hi Volts Symbol displayed when 50V output max is selected 10 Volume Level Displays volume level mute low medium high 11 External Power Supply Indicator Symbol displayed when external power supply is connected 12 Battery Level Displays transmitter battery level 13 Bar graph Displays output current or power setting demanded Displays operating mode frequency 14 Numeric Measurement Display Displays numeric measurement information including the units being used 15 Up Key Press to increase power output or to scroll up through menu options and parameters If power output is increased to above 5 Watts Hi Power will scroll across the screen this will significantly increase drain on the batteries 16 Down key2. Press to decrease power output or to scroll down through menu options and parameters 17 Measurement Key Press to select measurement units Amps Volts in normal mode and Volts Ohms in measurement mode 18 Live Cable Warning Indicates when there is more than 30V on the output terminals 19 Frequency Key Press and release to select the required frequency Holding the key scrolls through the available frequencies release when the required frequency is displayed RD4000T3 F TRANSMITTER e40Hz FF Display Features 1 On Off Key Switches the transmitter on and off The T3 F will self test for 2 secs then switch to induction mode or direct connection mode if connection leads are present 2 Fault Find Indicator FF LED indicates that FF mode is selected 3 Frequency Indicators LED s indicate the selected frequency 4 Power Output LED s indicate the selected output level Radiodetection Ltd Western Drive Bristol BS14 OAF UK Tel 44 0 117 976 7776 Fax 44 0 117 976 7775 Email sales uk radiodetection spx com Radiodetection Induction indicator LED indicates when induction mode is selected Up Key Press to increase power output Down Key Press to reduce power output Frequency Key Press repeatedly to scroll through and select the required frequency Before doing this ensure that a connection lead is fitted NB Other frequency variants availab
3. selects Peak or Null mode Sustained press switches between depth and current if available 17 Gain Controls Signal strength is indicated on bar graph 50 is suitable Unit automatically switches to mid scale gain if signal outside useful operating zone Sustained hold of gain up or gain down steps of 1dB increment decrement 18 Function Key Press and release to select the required frequency operating mode Sustained hold through power on sequence Displays firmware revision DSP FPGA unit configuration number and the date unit last calibrated Selectable Features Enter by momentary press of on off key 1 Use the up down key 17 to scroll through available features To select required feature momentarily press the on off key 1 use the up down key 17 to scroll through the available options A further momentary press of the on off key 1 will select the required option Features List m Volume 4 levels vol O vol 1 vol 2 vol 3 m Battery type Alkaline or NiMH m Auto Depth On or off m Mode Selectable frequency and accessory defaults to all frequencies selected To change a frequency use the up down key 17 to select required frequency Momentarily press on off key 1 and use the up down key 17 to select on or off Momentarily press on off key 1 to confirm selection WARNING POWER MODE DEPTH CAN BE HIGHLY INACCURATE PARTICULARLY ON 3 PHASE POWER FEEDS RD4000T10 TRANSMITTER
4. RD4000TL Telecommunications The RD4000TL cable and pipe locator has been introduced to meet the demand for an advanced locator dedicated to the telecommunications industry This guide provides a quick step by step reference to the applications of the RD4000TL and the T3 and T10 transmitters RD4000TL RECEIVER Display Features 1 On Off Key Menu Select Receiver on off Press and hold for off 2 Numeric Signal Display Indicates signal response and measurement units being used 3 Frequency Mode Indicator Displays the selected frequency or operating mode 4 Left Right Arrows Indicates direction of target line automatic in Null mode 5 Numeric Display Displays the current gain value 6 Power Mode Power mode selected 7 Radio Mode Radio mode selected 8 Line Selected Indicator Line mode selected 9 Sonde Indication Sonde mode selected 10 Bar Graph Displays signal strength dB or Peak is indicated by a lone bar 11 Fault Find FF mode 8k Fault Find via the A Frame 12 Antenna Display Narrow Peak twin horizontal antenna Null vertical antenna 13 Battery Level Displays battery level No locate is possible at minimum zero bars 14 Depth or Current Display Displays depth or current as applicable 15 Fault Find Arrows Indicates the direction along the pipe utility to the measured fault 16 Antenna Select Key Press and release
5. connected RD4000T10 refer to Display Features page e Switch on e Press on off 1 to select the menu and scroll using the down arrow 16 to select FF e Press on off 1 again to confirm the selection RD4000TSF refer to Display Features page e Press the frequency key 8 until the FF LED is lit e Place the A frame spikes in the ground approx 2 meters from the ground stake and with the green spike facing it e Ensure the receiver is in line with the A frame and facing the green spike The FF arrows should point away from the ground stake e Make note of the dB reading During fault find if the dB reading is approx equal to the reference there is a single fault If the dB reading is less than the reference there are multiple faults in this case the sum of all dB readings should be approx equal to the reference 2 Fault Finding e Place the A frame spikes in the ground with the red spike nearest the ground stake e The FF arrows will display the fault direction The arrows should point away from the ground stake and the bar graph should read zero e Follow the cable pushing the A Frame spikes into the ground at regular intervals and checking for FF arrows With no fault the arrows will flicker on and off and the dB readings will be erratic e Keep the red spike facing the ground stake and keep the receiver in line with the A Frame Near a fault the arrows will lock on and the dB reading will increase e Move in the dir
6. e the receiver back and forth across the line of the sonde to obtain a second peak e Rotate the receiver to obtain a third peak response The receiver is now directly over the sonde and a depth measurement will automatically be displayed e Current measurement is not applicable to sondes Safety Information The transmitter rechargeable battery packs can be recharged via a vehicle cigarette lighter Rechargeable battery packs must not be recharged whilst attached to transmitter or locator units if the vehicle is being driven Transmitter variants can by powered via the vehicle cigarette lighter of a stationary vehicle The RD4000TL is designed for use by suitably trained personnel following procedures and instructions described in the full user manual For comprehensive approval warning and safety information refer to the full RD4000TL user manual NIMH batteries can be used in the Receiver as an alternative to alkaline FAULT FINDING Fault Find FF An A Frame is used with RD4000TL receiver and transmitter to locate cable sheath to ground faults on power and telco lines See below 1 Taking a reference reading Line fault Line fault e Pinpoint the line and trace its route for Red Green ahead behind a short distance e Connect the A frame to the receiver A A A Select 8KFF 18 FF mode selected and A frame symbol displayed Fi e Select FF mode on the transmitter and n ul ensure the ground stake is
7. ection of the arrows Find the point at which the arrows change direction e Rotate through 90 and move back and forth to locate the fault in this direction the intersection point will be directly over the fault e Should the location of the cable become uncertain the mode select key 18 can be used to change between locate mode and FF mode VQ readings RD4000T10 only This function can be used to confirm the presence of a fault Note All earth bonds MUST be removed from the cable e Press on off 1 to select the menu and scroll using the down arrow 16 to select Measure e Press on off 1 again to confirm the selection e Press the measurement key 17 to select ohms and take a resistance reading A low resistance typically less than 2MQ indicates a fault
8. ension rods joined together for identifying individual cables in bundles s Large stethoscope antenna The large stethoscope antenna which plugs 90mm 3 5in into the receiver accessory socket is used for cable identification in situations where the cable is exposed It is particularly useful for identifying heavy cables lying in a tray where it is not possible to fit a clamp The concave detector head on the end of the insulated flexible gooseneck is placed firmly against the cable to be identified If there are a number of cables the stethoscope antenna will give the strongest response from the cable to which the transmitter signal has been applied Peak Mode refer to RD4000TL Display Features Select Peak mode 16 e Set the Gain 17 so that the bar graph is at approximately 50 e Hold the receiver vertical and sweep the area with a steady and deliberate motion If necessary adjust the gain to keep the bar graph on scale e When a signal is detected continue along the search route until it reduces then move back to where the signal is strongest Peak Rotate the receiver until the signal is at its weakest The receiver handle will now be aligned with the target line Tp e Move the receiver from side to side using small fl ee movements until a clear maximum is observed 10 The receiver is now directly over the target line 55 e Depth and Current once selected is My automatically displa
9. le 154 Portland Road Bridgton ME 04009 USA Tel 1 207 647 9495 Toll Free 1 877 247 3797 Fax 1 207 647 9496 Email bridgton radiodetection spx com www radiodetection com Radiodetection products are under continuous development and are subject to change we reserve the right to alter or amend any published specification without notice Copyright 2007 Radiodetection Limited All rights reserved Radiodetection Ltd is a subsidiary of SPX Corporation 90 UGO68ENG 01 Radiodetection LOCATING Passive Frequencies These rely on signals already present on buried metal utilities and do not require the use of a Radiodetection transmitter There are two types of passive frequency Power Power cables and some other utilities radiate a signal at 50 60Hz Radio In addition to power signals some utilities re radiate ambient radio signals Active Frequencies These require the use of a Radiodetection transmitter to provide the locate signal and give very good depth and current readings These frequencies also travel greater distances and can help to identify individual lines Remember the transmitter and receiver must be set to the same frequency There are three methods of applying an active signal using a Radiodetection transmitter Induction The transmitter is placed over or near the area to be located and switched to the appropriate frequency A signal will then be induced on to any line s below or c
10. lose to the transmitter Higher frequencies are normally used in this method as they induce more effectively Direct Connection Electrical connection leads are plugged into the transmitter and attached directly to the line the circuit is completed by connection to a ground stake typically at 90 to the line This method ensures a strong clear signal on an individual line and enables the use of lower frequencies for example current direction Signal Clamp A Signal Clamp is plugged into the transmitter and clamped around the line to couple the signal to it A range of Signal Clamps is available to accommodate most conductors Stethoscopes The RD4000TL supports the stethoscope antennas shown on the next page When to use a stethoscope At times it may not be possible to put a clamp around a cable because of congestion or because of inaccessibility A stethoscope antenna should be used in the place of the clamp to identify cables LOCATING How to use a stethoscope Plug the stethoscope into the receiver accessory socket Select Stethoscope Probe using the Function key 18 mode shows P and frequency e g P640 Press the concave head against each cable in turn to detect a maximum signal Types of stethoscope Small stethoscope antenna The small stethoscope antenna has a 25mm 1in concave head at the end of a 2m 6ft lead The small stethoscope can be screwed into an extension rod or used at the end of several ext
11. yed 0 l You can follow the line by moving forward while at the same time moving the receiver from side to side observing the maximum response el Signal overload eg Near a substation transformer Bar graph will flash Depth and Current are not displayed op LOCATING lt gt Ghost i Peak ie Ghost Depth and Current Measurement CM The RD4000TL has manual or auto depth Depth or power can be enabled or disabled e Auto Depth and current is displayed automatically where applicable e Itis important to position stationary over located line e Manual Press and hold antenna key 16 depth and current are shown cyclically where applicable Note The cm feature measures the actual current on the line regardless of its depth Therefore the receiver s strongest response may not come from the target line it may come from a shallow line to which the signal has coupled Locating a Sonde A sonde is a small self contained transmitter that when inserted in a non metallic drain sewer pipe or duct can be located by the receiver e Select sonde 18 e Select Peak mode 16 e Hold the receiver vertically with the blade in line with the sonde e Move from side to side over the suspected position of the sonde to obtain a peak response Ghost peaks will be found on either side of a main peak response e With the centre peak pinpointed mov
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