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Documents are only to be used and distributed completely and unchanged. It is strictly the users´ responsibility to check carefully
the validity of this document with respect to his product. manual-no.:

999001 / 04/04/2012

DVR 2

Analog/Digital Rough Vacuum Gauge

Technology for Vacuum Systems

Instructions for use

Содержание DVR 2

Страница 1: ...ompletely and unchanged It is strictly the users responsibility to check carefully the validity of this document with respect to his product manual no 999001 04 04 2012 DVR 2 Analog Digital Rough Vacu...

Страница 2: ...our company is tested in tensively including an endurance run Therefore faults even those which occur rarely are identified and can be eliminated immediately The achievement of the specifications afte...

Страница 3: ...t of the vacuum gauge DVR 2 11 Adjustment at atmospheric pressure 11 Adjustment under vacuum 11 Adjustment to a reference pressure 12 Calibration in the factory 12 Replacing the battery 13 Notes on re...

Страница 4: ...sing check maximum temperature Ensure that the maximum permitted gas temperature at the pressure transducer see Technical data is not exceeded Use the equipment and all system parts for the intended u...

Страница 5: ...mixtures Ensure that the materials of the equipment s wetted parts are compatible with the substances in the vacuum system see section Technical data Safety during operation Adopt suitable measures to...

Страница 6: ...nterior components of the device can only be repaired at the factory Returned products will not be repaired or calibrated until the completed health and safety clearance form has been received In orde...

Страница 7: ...reful adjustment and at constant temperature 1 mbar 0 75 Torr 1 digit Temperature coefficient 0 07 mbar K 0 05 Torr K Maximum permissible temperature of gaseous media at pressure transducer continuous...

Страница 8: ...key Switch the vacuum gauge off Press MODE key and keep it pressed while switching the DVR 2 on ON OFF key The pressure unit as of the last operation Torr mbar or hPa is displayed Press ON OFF key to...

Страница 9: ...easuring cycle frequent measurement in case of great pressure change S1 1 measurement in 3s S2 1 measurement in 1s S3 3 measurements in 1s The flashing of the arrow only S1 S2 or S3 symbol izes the fr...

Страница 10: ...cause Remedy No display or display disappears Automatic sleep mode Switch on increase opera ting time if necessary Battery flat Replace battery Other cause Contact local distributor Incorrect pressure...

Страница 11: ...tion Determine the exact actual atmospheric pressure e g by using an accurate barometer or get accurate reading from the weather service e g at the next airport etc take into account the differ ence i...

Страница 12: ...e calibra tion of inspection measuring and test equipment at specified intervals To document that the vacuum gauges calibrated are traceable to national standards of the PTB Physikalisch Technische Bu...

Страница 13: ...Technical data The battery must not be charged or connected to an external voltage Remove the battery Insert the new battery into the battery compartment cor rectly matching the positive and negative...

Страница 14: ...nvironment the product must be decontami nated prior to sending it back to the factory To expedite repair and to reduce costs please enclose a detailed description of the problem and the product s ope...

Страница 15: ...n in contact with the device are listed in section 5 and that the information is complete and that we have not withheld any information We declare that all measures where applicable have been taken li...

Страница 16: ...ummer Order number Num ro d article 682902 Seriennummer Serial number Num ro de s rie Siehe Typenschild See rating plate Voir plaque signal tique Angewandte harmonisierte Normen Harmonized standards a...

Страница 17: ...lts obtained under test conditions for specific applications depend on a number of factors beyond our control It is therefore strictly the users responsibility to very carefully check the validity of...

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