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U.S. Patent 6,329,924

Other Patents Pending

Operating & Instruction Manual

V-WATCH

®

PERSONAL VOLTAGE DETECTOR

Making the Invisible Visible

®

1475 Lakeside Drive • Waukegan, Illinois 60085 U.S.A. • 847.473.4980

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Summary of Contents for V-WATCH

Page 1: ...her Patents Pending Operating Instruction Manual V WATCH PERSONAL VOLTAGE DETECTOR Making the Invisible Visible 1475 Lakeside Drive Waukegan Illinois 60085 U S A 847 473 4980 fax 847 473 4981 website www HDElectricCompany com ...

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Page 3: ...USE 14 15 HOW TO WEAR IT 16 WHEN AND HOW TO USE IT 16 18 TECHNICAL SPECIFICATIONS 19 20 WARNING DISTANCE CHARTS 21 22 TERMS AND CONDITIONS OF SALE 23 24 For the latest information on V Watch Personal Voltage Detectors including product updates and technical information visit our website at HDElectricCompany com V WATCH PERSONAL VOLTAGE DETECTOR Operating Instruction Manual ...

Page 4: ...rs and power distribution equipment It is a small pocket size device worn on the outside of the clothing or other protective gear by users operating near power lines or high voltage equipment It provides an extra level of safety for personnel trained in the use and application while working on or near high voltage systems 4 ...

Page 5: ...edge and tall wet grass The detector will not find cables buried under the ground The ground is a conductor and will block electric fields Insulation on a wire does not block the electric field and does not affect warning distances Underground primary cables are both insulated AND shielded The shield is a conductor is grounded and will block the electric field Molded cable terminators such as elbo...

Page 6: ...he V Watch detector Always use proper high voltage procedures for testing and grounding Because the human body is a good electrical conductor electric fields are distorted or blocked by the body Thus positioning of the detector on the body and its location relative to the voltage source can have a large effect on its sensitivity to electric fields Grounded equipment can appear to be live in close ...

Page 7: ...or underground cable When the detector is closed it will not detect or warn of nearby high voltage Always use proper high voltage procedures including personal protective equipment when working near or around high voltage equipment or conductors Never contact high voltage Always use proper high voltage procedures for testing and grounding Do not rely on the V Watch Personal Voltage Detector as you...

Page 8: ...tage electric field A steady alternating tone and flashing lights indicates very close proximity to high voltage and the need for extreme caution This variable beeping rate helps the user to determine if they are approaching the high voltage source or moving away from it to safety The detector tests itself automatically each time it is opened A successful self test is confirmed by a series of tone...

Page 9: ...ide a warning This power line lying on the ground sets up a high voltage field surrounding the conductor that the detector will sense and warn the user The detector is designed to be worn on the body and it measures the electrical fields typically found in close proximity to the body Because the human body is a good electrical conductor electric fields are distorted or even blocked by the body Thu...

Page 10: ...ed to 3 feet or less If the user bends over from the waist to reach towards an energized high voltage terminal the warning distance may also be significantly reduced In both cases the high conductivity of the body acts as a shield to conduct the electric field around the detector The V Watch Personal Voltage Detector measures only the strength of the electric field It cannot directly measure dista...

Page 11: ...ve A metal fence or a growing hedge can cause a distortion of the electric field under these lines and result in high electric field strength near the ground The V Watch Personal Voltage Detector will provide an early warning of high electric fields but not all fields are directly caused by nearby energized objects To prevent the detector from issuing too many false alarms it should not be used or...

Page 12: ...s from transient voltages the detector has a built in time delay and may take up to one second to emit an alarm warning of high voltage For this reason a user running towards an energized high voltage source may find the warning distance reduced 12 ...

Page 13: ...nt phases in close proximity will also reduce warning distances due to field cancellation effects Wearing the V Watch Personal Voltage Detector in environments such as substations or under transmission lines may result in the detector alarming continuously Be aware of unique conditions that may be present around three phase delta systems Unlike grounded Y systems a single phase of a delta system c...

Page 14: ...rom service and contact the factory to arrange for repair The detector should always be worn facing any potential high voltage electricity Wear the detector in 14 outage and the delta system can continue to operate with this grounded phase If this phase is grounded as a result of a downed conductor or other storm damage it may be grounded only temporarily and could become reenergized if moved or d...

Page 15: ...ay from all other large metal objects such as belt buckles tool belts or electronic items such as radios pagers cell phones or any other electrical devices which may interfere with the detector The detector will emit a series of beeps and flashing lights when it detects high voltage It will beep and flash faster as it gets closer to high voltage Very rapid beeping and flashing or a constant altern...

Page 16: ...rt front or safety vest WHEN AND HOW TO USE IT The V Watch Personal Voltage Detector can be used anytime anyplace and for any reason The decision of when to use it is made by the user and by your company s safety and work practices When used properly the detector can provide an additional warning to users exposed or working around energized high voltage electricity and equipment Awareness of the p...

Page 17: ...hts slowly as an electric field is first detected and will then beep faster increasing to a steady alternating tone and flashing lights if the user continues to approach the source of the high voltage electric field A steady alternating tone and flashing lights indicates the need for extreme caution as the source of the high voltage electric field is close 17 ...

Page 18: ...tric fields when it is closed BATTERY REPLACEMENT INSTRUCTIONS A low battery is indicated by red flashing lights and a slow alternating tone Always replace all three AAA batteries at the same time either three alkaline or three lithium types as specified below To access the battery compartment turn the V Watch detector off by pushing the top down The battery compartment is on the back of the unit ...

Page 19: ...ep The detector will only detect AC voltage Do not use below 2400 Volts TYPICAL WARNING DISTANCE 7 feet 2 13m from a 4kV AC conductor OPERATING FREQUENCY 50Hz 60Hz BATTERY Three AAA alkaline batteries ANSI 24A IEC LR03 or lithium ANSI 24 LF IECFR03 Life 2 years in storage six months of continuous use BEEPER SOUND PRESSURE LEVEL 100 db WEIGHT WITH BATTERY 7 97 oz 226g DIMENSIONS Closed 5 53 14 0cm ...

Page 20: ... F to 120 F 29 C to 49 C HUMIDITY 95 to 49 C non condensing OVERVOLTAGE CATEGORY II Non contact POLLUTION DEGREE PD4 MANUFACTURING LOCATION HD Electric Company Waukegan IL 60085 USA ACCESSORIES V Watch Personal Voltage Detectors come standard with three AAA lithium batteries padded carrying bag and instruction manual 20 ...

Page 21: ...lators It is energized from behind and the indicated voltage is line to ground For this test the V Watch Detector was worn on the shirt front as pictured Warning distances will be reduced slightly if it is worn on the belt and will be reduced substantially if an arm is extended toward the energized source or if the user approaches the energized source backwards Nominal warning distance 1 ft x 1 ft...

Page 22: ...ong and 30 inches above the ground on insulators It is energized from behind and the indicated voltage is line to ground For this test the V Watch Detector was worn on the shirt front as pictured Warning distances will be reduced slightly if it is worn on the belt and will be reduced substantially if an arm is extended toward the energized source or if the user approaches the energized source back...

Page 23: ... improper installation or accident HDE s obligation under this warranty and the Buyer s exclusive remedy for the breach thereof shall be limited to at HDE s option repair or replacement of any allegedly defective Goods or issuance of credit HDE requires the return of any allegedly defective Goods transportation prepaid before honoring any claim All returned Goods are subject to inspection and if e...

Page 24: ...ll be binding unless hereafter made in writing and signed by Seller No modification shall be effected by HDE s receipt or acceptance of Buyer s purchase orders shipping instruction forms of other documentation containing terms at variance with or in addition to those set forth herein all of which are objected to by HDE Any such modifications or additional terms are specifically rejected by HDE No ...

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