Manfrotto 201の取扱説明書

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Summary
  • Manfrotto 201 - page 1

    INSTRUCTION MANUAL 201/203 SERIES FLOW METERS/CONTROLLERS TELEDYNE HASTINGS INSTRUMENTS ...

  • Manfrotto 201 - page 2

    201/203 Series Page 2 of 20 Manual Print History The print history shown below lists the printing da tes of all revisions and addenda create d for this manual. The revision level letter increases alph abetically as the manual undergoes subsequent updates. Addenda, which are released between re visi ons, contain important ch ange information that th ...

  • Manfrotto 201 - page 3

    201/203 Series Page 3 of 20 Table of Contents 1. GENERAL INFO RMATIO N ............................................................................................................................................ 4 1.1. F EATURES ......................................................................................................................... ...

  • Manfrotto 201 - page 4

    201/203 Series Page 4 of 20 1. General Information The Hastings HFM-201/HFC-203 series Mass flow meter (HFM-201) and controller (HFC-203) are designed to accurately measure and control mass flow over the range of 30 slm to 500 slm, without corrections or compensation s for gas pres sure and temperature with an acc uracy of better than ±1% from the ...

  • Manfrotto 201 - page 5

    201/203 Series Page 5 of 20 1.2. Specifications Accuracy ........................................................................................................... ±1% full sc ale (F.S.) Repeatabil ity .............................................................................................................. <±0. 1% of F.S. Maximum operati ...

  • Manfrotto 201 - page 6

    201/203 Series Page 6 of 20 1.3. Optional 4-20 mA Current Output An option to the sta ndard 0-5 VDC o utput is the 4-20 mA cur rent output that is proportional to flow. The 4 - 20 mA signal is produced from the 0 - 5 VDC ou tput of the flow meter. The current loop output is useful for r emote applications where pickup noise could substantially affe ...

  • Manfrotto 201 - page 7

    201/203 Series Page 7 of 20 2. Inst allation and Operation This section contains the necessary ste ps to assi st in ge tting a new flow meter/controller into operation as quickly and easily as possible. Please read the following th oroughly before attemptin g to install the instrument. 2.1. Receiving Inspection Carefully unpack the Hastings 201/203 ...

  • Manfrotto 201 - page 8

    201/203 Series Page 8 of 20 regulators and large internal diameter plumbing help to make the system more stable. The pressur e drop between the regulator and the instrume nt due to line resistance should be minimized. The differential pressure across the u nit should be less than 6” of H2O at ma ximum flow. There are two 8-32 threaded holes, 0.25 ...

  • Manfrotto 201 - page 9

    201/203 Series Page 9 of 20 If a valve override switch is not desire d, the unit is ready for use at this time. If the override switch is desired, connect the center pin of a single pole, thr ee-position switch with the center off position to pin 8. Connect +15VDC to one end of the switch, a nd -1 5VDC to the other e nd. Thi s will result in the va ...

  • Manfrotto 201 - page 10

    201/203 Series Page 10 of 20 B, it then becomes a variable reference voltage for flow controller B proporti onal to the flow rate of flow controller A. If the set point potentio meter of flow controller B is set at 50% of full scale, and the reference voltage from flow controller A is 4.00, then the command signal going to flow controller B would b ...

  • Manfrotto 201 - page 11

    201/203 Series Page 11 of 20 2.6.8. Response to Command Changes The response of the control circuit to changes to the command signal is set at the factory for fast, stable response. Should it be necessar y, the response is adjust able using the jumper lab eled “JP4,” located in the center of PC-828. The fastest response to c ommand changes is o ...

  • Manfrotto 201 - page 12

    201/203 Series Page 12 of 20 3. Theory of Operation This section contains an overall functional de scription of HFC Flow Controllers. Detailed schematics and parts lists can be found at the end of the manual in Section 6.0. In this section and other sections throughout this manual, when a po wer supply is mentioned, it is assumed that the customer ...

  • Manfrotto 201 - page 13

    201/203 Series Page 13 of 20 This signal is amplified by the meter circuitry until is 0-5.00 VDC. This 5 volt output is sent back to the power supply and to the flow meter circuitry, if applicable. At the power supply the 5 volt outp ut is sent to the terminals on the back and to the decoding circuitry in the display which converts it to a 3-digit ...

  • Manfrotto 201 - page 14

    201/203 Series Page 14 of 20 3.5. Valve: At flow rates higher than 30 slm, two valves are used in parallel. A solenoid valve is used as a pilot valve to control a much larger pneumatic diaphragm valve. The pilot valve is an “automatic metering solenoid” valve. While most solenoids operat e in either the fully open or fully closed state, the aut ...

  • Manfrotto 201 - page 15

    201/203 Series Page 15 of 20 4. Maintenance This section contains service and calibration info rmation. Some portion s of the instrument are delicate. Use extreme care when servicing the fl ow controller. The poten tiometer positions and the electrical components referred to in the trouble shooting section can be fo und in Section 6.0 on the electr ...

  • Manfrotto 201 - page 16

    201/203 Series Page 16 of 20 ACTION : Shut off gas supply and power supply. Remove cover and PC board from unit. Remove sensor assembly and examine. If sen sor has evid e nce of plugging, clean or replace as applicable SYMPTOM : Flow controller oscillates. CAUSE : Flow controller not adjusted for the dynamics of the flow system. ACTION : Check upst ...

  • Manfrotto 201 - page 17

    201/203 Series Page 17 of 20 4) Set command to 1 00%. Adjust SPAN (R29) po t until the flow reference reads full scale flow (5.000 VDC). NOTE: Perform this step only if a calibrated reference flow meter is available. 5) Record flow meter and fl ow reference outputs for flow rates of 20%, 40%, 6 0%, 80% and 100%. 4.3.2. Miscellaneous adjustments Per ...

  • Manfrotto 201 - page 18

    201/203 Series Page 18 of 20 Orifice Changes: A) Determine the mini mum expected upstream pressure (Pu) in PSI ab solute and the maximu m expected downstream pressure (Pd) in PSI absolute for full flow conditions. B) If Pu >2Pd, use formula 1; other wise use formula 2. Where: F o r m u l a 1 : F o r m u l a 2 : Q P D σ μ 0028 . 0 = Q d D 0014 ...

  • Manfrotto 201 - page 19

    201/203 Series Page 19 of 20 STOCK NO. DESCRIPTION .................................................................................. AIR RANG E 28-13-190 Orifice 0.046 ............................................................................................... HF C-203 28-13-164 Orifice 0.086 .................................................... ...

  • Manfrotto 201 - page 20

    201/203 Series Page 20 of 20 5. W ARRANTY 5.1. Warranty Repair Policy Hastings Instruments warrants this product for a period of one year from the date of shipment to be free from defects in mate rial and workmanship. This warranty does not apply to defec ts or failures resulting from unauthorized modification, misuse or mishandling of the product. ...

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Manfrotto 201デバイスの取扱説明書はどのようなものですか?
取扱説明書は、ユーザーマニュアル又は単に「マニュアル」とも呼ばれ、ユーザーがManfrotto 201を使用するのを助ける技術的文書のことです。説明書は通常、全てのManfrotto 201ユーザーが容易に理解できる文章にて書かれており、その作成者はその分野の専門家です。

Manfrottoの取扱説明書には、基本的な要素が記載されているはずです。その一部は、カバー/タイトルページ、著作権ページ等、比較的重要度の低いものです。ですが、その他の部分には、ユーザーにとって重要な情報が記載されているはずです。

1. Manfrotto 201の説明書の概要と使用方法。説明書にはまず、その閲覧方法に関する手引きが書かれているはずです。そこにははManfrotto 201の目次に関する情報やよくある質問、最も一般的な問題に関する情報を見つけられるはずです。つまり、それらはユーザーが取扱説明書に最も期待する情報なのです。
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