UWEX 722 C, Operation Manual

Page 1: ...UWEX 722 C Underwater Metal Detector Operations Manual ...

Page 2: ...it violates international copyright law and may require the permission of the copyright holder Violation will be subject to legal prosecution and compensation claims All rights for trademarks design and patent application reserved Printed in Germany Technical Specifications Trademark Ebinger reserves the right to change the design or technical specifications for product improvement without prior n...

Page 3: ...TO AVOID DAMAGE AS A RESULT OF NON INTENDED USE DO NOT WASH THE DEVICE WITH LIQUID DETERGENTS OR CHEMICAL SUBSTANCES USE A SLIGHTLY MOIST NON ABRASIVE CLOTH FOR CLEANING READ THE CHAPTER ON MAINTENANCE CAREFULLY BEFORE CALLING THE EBINGER SERVICE WHATEVER THE PROBLEM ONLY TRAINED SERVICE PERSONNEL SHOULD SERVICE THIS EQUIPMENT DO NOT LEAVE BATTERIES DRY OR A RECHARGEABLE TYPE IN THE DEVICE DURING ...

Page 4: ...ations Manual UWEX 722 C _________________________________________________________________________ ___________________________________________________________________ 2005 Ebinger Prüf und Ortungstechnik GmbH ...

Page 5: ...________________ 2005 Ebinger Prüf und Ortungstechnik GmbH Contents 1 General Safety information 6 2 General 11 3 Principle of operation 11 4 Main characteristics 13 5 Constructional features 14 6 Putting into operation 15 7 Testing before use 16 8 Detector use 17 9 Suppression of interference 18 10 Battery change 20 11 Maintenance 21 12 Technical Data 22 ...

Page 6: ... device EBINGER and its representatives are not to be held responsible for any damage caused by actions which are not described in the manual The detector should be used only in the manner as agreed and described in the manual Warnings cautions notes and tips contain useful or very important information for the user and are marked as follows WARNING Warnings alert you to situations that could caus...

Page 7: ...equipment before fitting headset Battery or rechargeable battery operated devices WARNING Batteries and rechargeable cells might explode in case of exposure to fire misuse or abuse Pay attention to following recommendation Use only batteries or secondary cells of the type indicated in the manual Watch for correct polarity Do not expose batteries to very high temperature or fire NEVER TRY TO RECHAR...

Page 8: ... make sure personnel holds relevant qualification which is in accordance with national and international standards WARNING Active metal detectors The device was designed as a metal detector The device preferably detects metal with high electric conductivity Each signal can indicate a possibly dangerous object i e munitions Very small objects or objects made from special alloys or certain types of ...

Page 9: ...r Prüf und Ortungstechnik GmbH Good Guidance German regulations and instructions on how to deal with unexploded ordnance found by accident may serve as guidance All munitions found shall not be touched its position shall not be changed the site shall be clearly marked and precautions taken to avoid intervention of the munitions by third parties Inform your local police or EOD service ...

Page 10: ...2 C _________________________________________________________________________ ___________________________________________________________________ 2005 Ebinger Prüf und Ortungstechnik GmbH Pic 1 UWEX 722 C with single sided headset ...

Page 11: ... the headset The short detector length and the one knob operation makes it a handy and easy to use for divers and for underwater EOD In normal land use it can be applied in extended version by use of an extension rod which is screwed to the rear of the detector handle The search device is waterproof to a depth of approx 70 m Safety advise Despite successfully testing of the detector electronics an...

Page 12: ...f size and material of the detected object and is shown in Fig 2 transmission pulse decaying response signal from target 0 1 2 3 T Fig 2 Response field from mine and field decay in theory At 0 a direct current is sent to the search coil generating a square wave pulse It is cut off at 1 The secondary field the magnetic echo surrounding any conductive objects which are within detector reach will sho...

Page 13: ...by a delayed activation of the receiver Interference from conductive soil salt water or small metal scrap i e nails or wires can be strongly reduced by a decoupling in time Fig 3 Interference suppression by delayed receiver start at 3 detecting only the response signal from the larger metal object 4 Main characteristics Compact tool good ergonomics High sensitivity to small objects of weak conduct...

Page 14: ... consist in a rotary ON OFF switch and a sensitivity adjuster on top of the search head flange Audio signals are transmitted to the operator by a headset with extension cable The spring clip and the rubber cap can be dismantled from the headset to allow its use with a dry diving suit The detector is powered by one 9 Volt block battery PP3 type alkaline or U9VL lithium type To increase detector len...

Page 15: ...rk as long as polarity is inversed Refit handle to detector without applying force To switch detector ON turn handle by 180 in clockwise direction until the white dots at the handle and at the search head flange are matching and you notice an audio signal in the single sided headset To switch it OFF turn half turn in anti clockwise sense until red and white dot match and audio signal stops when me...

Page 16: ...working conditions before such intervention 7 Testing before use Take UWEX 722 C out from its carrying bag Unscrew handle Insert 9V battery watching correct polarity as indicated by markings Refit handle To extend detector use extension rod Rotate handle clockwise into ON position with white dots matching and set sensitivity knob to required sensitivity level During calibration the detector head m...

Page 17: ...the search head is held over a detected object The intensity of the signal corresponds to the signal strength received from the target Objects provide the strongest signal when the search head centres over a target Small objects at close distance will generate a strong but short peak signal which is spread over a small surface Several small objects generate a wide spread signal Large targets even ...

Page 18: ...w buried large target will generate a wide spread and strong signal which can cover weaker signals from additional small targets Always recheck area after target removal Fig 5 Pinpointing with rim of detector head 9 Suppression of small objects and interference For difficult detection tasks i e to locate minimum amounts of metal select high sensitivity and approach ground as close as possible Ofte...

Page 19: ...saltwater and scrap metal Now recalibrate detector sensitivity to audio threshold lower trimmer marked Tone To increase detector sensitivity to small metal objects turn adjuster anti clockwise to lower delay values Detectors with serial no 436 have a double micro switch Pic 8 Delay switch version from serial no 436 New detector version ser no 436 with micro switch for DELAY The new detector versio...

Page 20: ...prox double the operation time The lithium battery UV 9L is has a minimised magnetic signature better temperature range improved storage life and much higher capacity and should be considered superior to alkaline batteries Rechargeable batteries must be serviced according to manufacturer instructions Do not use for more than 1 2 hours between charges After the battery exchange the handle must be r...

Page 21: ...not store unit when still wet or dirty 3 Monthly routine Check for clean surface and that the two O ring seals are clean and lubrificated with silicone O ring grease After equipment cleaning O ring seals of the handle section shall be greased with silicone grease if dry Test function with test plate In case of malfunctioning check battery power and battery contacts for good contact If the battery ...

Page 22: ...x 200 mm Ø Length Approx ø 40mm x 600mm Short version approx 60 cm Long version approx 118 cm Weight Approx 1 6 1 8 kg Transit case Approx 5 kg Detection ranges factor approx 3 application range top layer of soil between approx 0 1 to 1 m depending on size material and position of metal object and local interference detection range factor describes the system sensitivity in air and without interfe...

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