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The term originates from the Latin word „instructio”, which means organizing. Therefore, in an instruction of Teledyne DNV-33D one could find a process description. An instruction's purpose is to teach, to ease the start-up and an item's use or performance of certain activities. An instruction is a compilation of information about an item/a service, it is a clue.
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First and foremost, an user manual of Teledyne DNV-33D should contain:
- informations concerning technical data of Teledyne DNV-33D
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- rules of operation, control and maintenance of the Teledyne DNV-33D item
- safety signs and mark certificates which confirm compatibility with appropriate standards
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Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of Teledyne DNV-33D alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of Teledyne DNV-33D, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Teledyne service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of Teledyne DNV-33D.
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It is mostly in the manuals where we will find the details concerning construction and possibility of the Teledyne DNV-33D item, and its use of respective accessory, as well as information concerning all the functions and facilities.
After a successful purchase of an item one should find a moment and get to know with every part of an instruction. Currently the manuals are carefully prearranged and translated, so they could be fully understood by its users. The manuals will serve as an informational aid.
Table of contents for the manual
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Page 1
page 1 INSTRUCTION INSTRUMENTS TELEDYNE HASTINGS INSTRUCTION MANUAL HASTINGS MODEL DNV HASTINGS MODEL DNV HASTINGS MODEL DNV HASTINGS MODEL DNV HASTINGS MODEL DNV -33D -33D -33D -33D -33D V V V V V A A A A A CUUM G CUUM G CUUM G CUUM G CUUM G A A A A A UGE UGE UGE UGE UGE[...]
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Page 2
page 2 Manual Print History Manual Print History Manual Print History Manual Print History Manual Print History The print histor y shown belo w lists the printing dates of all revisions and addenda created for this manual. The revision level letter increases alphabetically as the manual undergoes subse- quent updates . Addenda, which are released b[...]
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Page 3
page 3 T T T T T able of Contents able of Contents able of Contents able of Contents able of Contents I I I I I GENERAL DESCRIPTION GENERAL DESCRIPTION GENERAL DESCRIPTION GENERAL DESCRIPTION GENERAL DESCRIPTION ..................................................................... ....................................................................[...]
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Page 4
page 4[...]
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Page 5
page 5 General Description SECTION I The Hastings Digital V acuum Gauge, Model DNV -33D, incorporates proven Hastings thermo- pile technology to produce a linear vacuum gauge that co vers the range of 1-1000 mT orr. The digital display reads directly in mT orr. The instrument provides an analog output signal which may be used to drive a remote indi[...]
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Page 6
page 6[...]
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Page 7
page 7 SECTION II Operating Principle The operation of Hastings vacuum gauges uses a patented noble metal thermopile circuit. The hot junctions of the thermopile are heated directly by an A C current while an equal number of cold junctions are kept at ambient tempera ture by hea vy mounting studs. Thus a DC voltage is then generated betw een the ho[...]
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Page 8
page 8 2.0 INST ALLA TION QUICK ST ART Install D V -33D gauge tube in vacuum system (see section 2.4). Ensure system is leak free. Connect the tube to the DNV -33D pow er supply/display and apply 115 V A C. Allow 30 minutes for w arm-up (see section 3.1). Set the switch on the DNV -33D to the “OPR” position for normal operation (factor y calibr[...]
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Page 9
page 9 3.0 OPERA TION OF V A CUUM GA UGE 3.1 3.1 3.1 3.1 3.1 P P P P P o o o o o w w w w w er er er er er ing of ing of ing of ing of ing of V V V V V acuum Gauge acuum Gauge acuum Gauge acuum Gauge acuum Gauge Plug the 8 ft. pow er cable into a single phase 115 V A C (DNV -33D) or 230 V AC (END V - 33D)line. A line frequency of either 50 or 60 Hz [...]
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Page 10
page 10 W arranty and Repair 4.2 4.2 4.2 4.2 4.2 DNV DNV DNV DNV DNV -33 Calibra -33 Calibra -33 Calibra -33 Calibra -33 Calibra tion tion tion tion tion All calibration voltages are factory set and will rarely change. The methods for checking gauge calibration are detailed below: 4.2.1 4.2.1 4.2.1 4.2.1 4.2.1 Reference Check Reference Check Refere[...]
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Page 11
page 11 present. Hastings ther mopile gauges how ever, have the useful property of responding to the total pressure of all gases and vapors that are present in the gauge tube. T o exclude vapors from a vacuum system, it is necessar y to employ a trap of some kind that will absorb or condense vapors. W ater vapor is b y far the most common source of[...]
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Page 12
page 12 W arranty SECTION 6 6.1 W ar ranty Repair P olicy Hastings Instr uments war rants this product for a per iod of one year from the date of shipment to be free from defects in material and workmanship . This warranty does not apply to defects or failures resulting from unauthorized modification, misuse or mishandling of the product. This warr[...]