Related Manuals for Schonstedt Loki series
Summary of Contents for Schonstedt Loki series
- Page 1 Loki Pipe & Cable Locators User guide 90/UG114INT CONTRACTOR UTILITIES MODEL MODEL...
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Page 2: Important Safety Notice
It is recommended that the Loki receiver and transmitter are serviced at least once a year and have their calibration validated using Schonstedt approved test equipment. Schonstedt will accept no responsibility for repairs carried out by unauthorized repairers. Even if using a Loki receiver and transmitter, ALWAYS DIG WITH CAUTION. - Page 3 Loki Models Two Loki models are available. The models are designed around the needs of contractors and utility companies who need to detect utilities for safe and efficient excavation and repair. Contractor Model Optimized for excavation and construction contractors, OPTIMIZED FOR CONTRACTORS the contractor model has 512 Hz, 8 kHz and 131 kHz frequencies built within the Loki transmitter.
- Page 4 Loki Receivers Receiver Functions Contractor Utilities Active locate 512 Hz • • frequencies: 8 kHz • • 82 kHz • 131 kHz • Inductive 8 kHz • • frequencies: 82 kHz • 131 kHz • Sonde 512 Hz • • frequencies: 8 kHz •...
- Page 5 Loki Receiver On/Off Trigger. Press and hold to use the Loki receiver. LCD Screen with automatic depth readout and frequency selection button. Loudspeaker. Detachable speaker for use in noisy environments. Sensitivity Control. Mode Selector Switch. Battery compartment. Screen Icons The Loki receiver’s screen displays the following features: Depth / Warning readout Mode/ShallowAlert Signal Strength...
- Page 6 Loki Transmitter The Loki transmitter is a general purpose, 1 Watt, transmitter that provides three locatable frequencies, two induction frequencies and two signal strengths. By default, the Loki Transmitter induces a signal directly into the ground. On/Off/Frequency Selector. LEDs indicate which frequency has been selected.
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Page 7: Depth Measurement
Features Depth Measurement The Loki receiver will automatically measure and display the depth in Power, Transmitter and Sonde modes. Note: The Loki receiver does not measure depth in Dual mode. Method: Locate the utility as follows. Hold the Loki receiver still and vertically cen- tred above the detected line and across the line of the pipe/cable. - Page 8 Using the Loki receiver Mode Selection Loki models are equipped with four locate modes; Dual mode Dual mode detects the Transmitter and Power signals simultaneously. To select Dual mode, rotate the function switch until the LCD displays a D icon. The sensitivity control adjusts the Power and Transmitter signal levels simultaneously.
- Page 9 Operation Sweep the site holding the Loki receiver upright at your side. Continue the sweep beyond the perimeter of the site. The presence of a buried pipe or cable will be indicated by a tone emitted from the loudspeaker and a kick on the LCD’s bar graph. Keep the Loki receiver blade vertical and move slowly backwards and forwards over the suspected pipe/ cable.
- Page 10 Scanning an area before digging An initial sweep is recommended before carrying out a detailed scan. Turn the function switch to dual mode to sweep the area for cables or pipes radiating transmitter and power signals. Turn the sensitivity control to maximum. If the signal bar graph does not move from maximum, reduce the sensitivity control so that the bar graph is half way before starting.
- Page 11 Cable location using the Loki transmitter The Loki transmitter is used to actively apply a locate signal to cables or metallic pipes. This signal can be traced using the Loki receiver in either Transmitter (T) or Dual mode (D). Note: Use of the Loki transmitter is strongly recommended, as passive power signals from pipes and cables may not be present, or detectable, on all cables and pipes.
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Page 12: Direct Connection
Direct connection Connection to a power cable sheath should only be undertaken by qualified personnel. Direct Connection is an effective way to apply the Loki transmitter locate signal to a specific cable or pipe network so that it can be traced from above ground. Connections can be made to any metallic part of the pipe or cable such as valves, meters, junction boxes, street lights, pipeline markers or other access points. - Page 13 Note: The Loki receiver can detect a signal many times weaker than what is necessary for a transmitter tone change and short distances can be traced without a pulsed tone from the loudspeaker. To remove the direct connection cable grip the black sleeve on the outside of the plug and ease off the connector.
- Page 14 Locating a sonde The Loki receiver is capable of locating a Schonstedt sonde. Before attempting to locate a sonde ensure that the sonde’s batteries are fully charged. Schonstedt recommends using new or fully recharged batteries at the beginning of each day and preferably at the start of each job.
- Page 15 Schonstedt recommends locating the ghost signals as finding them confirms the position of the main peak. To lose the ghost signals, reduce the sensitivity of the Loki receiver; this should leave only the main peak signal detectable. With the Loki receiver sensitivity set as desired, propel the sonde along 1m (3-4 feet) and stop.
- Page 16 Measuring sonde depth Pinpoint the sonde as previously described. Then rest the Loki receiver on the ground with the blade’s orientation parallel to the orientation of the sonde. Adjust the sensitivity to give a meter reading of 60% to 80% on the LCD’s bar graph. Note that the depth reading is the distance from the bottom of the locator blade to the centre of the sonde and not to the drain or duct being located.
- Page 17 Measure the distance between points A and B and multiply by 0.7 to give an approximate depth measurement. Warnings Signal Overload If the Loki receiver is used in areas where very large power signals are present, the signal bar graph will flash. In this condition the sensitivity control and depth function will not operate and you are advised to try lifting the Loki receiver to bring it out of the overloaded condition or use in a different location.
- Page 18 Live Plug Connector Procedure With the Loki transmitter switched off, connect the Live Plug Connector to the Loki transmitter. Connect the Loki Transmitter to the live domestic power socket. Where required switch on the power socket. Note: The Live Plug Connector provides protection to 250V AC. Sweep the site holding the Loki receiver upright at your side.
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Page 19: Service And Maintenance
Schonstedt accepts no responsibility for service, calibration or repairs carried out by non-authorised persons. Functional test Schonstedt recommends that you perform a daily functional test on the Loki receiver and Loki transmitter before use. To perform the function test; Place the transmitter on the ground. -
Page 20: Replacing Batteries
Replacing batteries Do not mix new and old batteries or different types of batteries, as this may cause them to overheat. Loki Receiver To replace the batteries, open the access cover using a screwdriver or coin. Use two LR20 (D-cell) alkaline batteries or equivalent NiMH rechargeable batteries. -
Page 21: Product Specification
Product specification Specifications Weight: Receiver: 4.9 lbs (2.2kg), Transmitter: 4.0 lbs (1.8kg) Water and dust IP54 resistance: Tx has built-in water-resistant speaker, generating audio capable of being heard over road traffic. Audio options: Rx has detachable speaker, doubles as ear piece. Operating temperature: -4°F to 122°F (-20°C to 50°C) Storage temperature: -4°F to 158°F (-20°C to 70°C) -
Page 22: Warranty
In the event this exclusive remedy is deemed to have failed of its essential pur- pose, Schonstedt liability shall not exceed the purchase price of the Schonstedt product. In no event will Schonstedt be liable for any direct, indirect, special, inci- dental, consequential or punitive damages (including lost profit) whether based on warranty, contract, tort or any other legal theory. - Page 23 Use of the product with accessories, peripheral equipment and oth- er products of a type, condition and standard other than prescribed by Schonstedt. viii. Repair or attempted repair by persons who are not Schonstedt warranted and certified repair houses. ix. Adjustments or adaptations without Schonstedt’s prior written consent,...
- Page 24 Radiodetection in the United Kingdom and/or other countries. Due to a policy of continued development, we reserve the right to alter or amend any published specification without notice. This document may not be copied, reproduced, transmitted, modified or used, in whole or in part, without the prior written consent of Schonstedt Instrument Company.
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