Teledyne HASTINGS 200 Series Скачать руководство пользователя страница 16 | Manualshive

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Teledyne HASTINGS 200 Series Скачать руководство пользователя страница 16

126B - PAGE 16

SYMPTOM:

SYMPTOM:

SYMPTOM:

SYMPTOM:

SYMPTOM: Sensor has proper resistance readings, but little or no output with flow.

CAUSE:

CAUSE:

CAUSE:

CAUSE:

CAUSE: Plugged sensor.

A

A

A

A

ACTION:

CTION:

CTION:

CTION:

CTION: Shut off gas supply and power supply. Remove cover and PC board from unit. Remove

sensor assembly and examine. If sensor has evidence of plugging, clean or replace as applicable.

SYMPT

SYMPT

SYMPT

SYMPT

SYMPTOM:

OM:

OM:

OM:

OM: Flowmeter reads other than 0.00 VDC with no flow, or there is a small flow when

flowmeter reads 0.00 VDC.

CA

CA

CA

CA

CAUSE:

USE:

USE:

USE:

USE: ZERO potentiometer is out of adjustment.

A

A

A

A

ACTION:

CTION:

CTION:

CTION:

CTION: Shut off all flow. Adjust ZERO potentiometer until output reads 0.00 VDC.

SYMPTOM:

SYMPTOM:

SYMPTOM:

SYMPTOM:

SYMPTOM: Flowmeter out of calibration and non-linear.

CAUSE:

CAUSE:

CAUSE:

CAUSE:

CAUSE: Leaks in gas inlet or outlet fittings.

A

A

A

A

ACTION:

CTION:

CTION:

CTION:

CTION: Check all fittings for leaks by placing soap solution on all fittings between gas supply and

final destination of gas. Check flowmeter for leaks. Replace “O” rings if required or recalibrate as
necessary.

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Содержание HASTINGS 200 Series

Страница 1: ...00 SERIES HASTINGS 200 SERIES HASTINGS 200 SERIES F F F F FAST RESPONSE AST RESPONSE AST RESPONSE AST RESPONSE AST RESPONSE MASS FLOWMETERS MASS FLOWMETERS MASS FLOWMETERS MASS FLOWMETERS MASS FLOWMETERS INSTRUCTION INSTRUMENTS TELEDYNE HASTINGS INSTRUCTION MANUAL ...

Страница 2: ... should incorporate immediately into the manual Addenda are numbered sequentially When a new revision is created all addenda associated with the previous revision of the manual are incorporated into the new revision of the manual Each new revision includes a revised copy of this print history page Revision B Document Number 126 082000 August 2000 Revision C Document Number 126 082005 August 2005 H...

Страница 3: ...4 Mechanical Connections 7 2 5 Electrical Connections 8 2 6 Operation 8 2 6 1 Power Supply Operation 8 2 6 2 AmbientTemperature 8 2 6 3 Zero Check 8 2 7 Range Changing 8 SECTION 3 0 THEORY OF OPERATION 9 3 1 Overall Functional Description 9 3 2 Sensor 9 3 3 Electronics 10 3 4 Shunt 10 SECTION 4 0 MAINTENANCE 13 4 1 Introduction 13 4 2 Authorized Maintenance 13 4 3 Adjustments 13 4 3 1 Calibration ...

Страница 4: ... 15 SECTION 5 0 REPLACEMENT PARTS 17 SECTION 6 0 WARRANTY AND REPAIR 19 SECTION 7 0 DIAGRAMS AND DRAWINGS 21 AssemblyDiagram PC810FastReponse 22 Schematic PC 810 Fast Response 23 HFM 200 Outline Drawng 24 HFM 201 Outline Drawing 25 HFM 200B Outline Drawing 26 Laminar Flow Element Outline Drawing 27 ...

Страница 5: ... a removable replaceable sensor which virtually eliminates long down time due to clogging the most common cause of failure in the industry Each flowmeter has a shunt which can be quickly and easily adjusted in the field to different ranges however recalibration is normally required A 100 micron filter is located upstream of the shunt and sensor to eliminate most of the larger impurities in the sys...

Страница 6: ... 3 2 1 3 2 1 3 2 Alar Alar Alar Alar Alarms ms ms ms ms The Model AL 1 Flow Alarm is available as an attachment suitable for use with any 0 5 00VDC input signal Calibrated digital dial precision pots determine the low and high set points as a percent of full scale This permits use with any range flowmeter or other instrument having a 0 5 00VDC linear output signal Control action is within 0 2 of s...

Страница 7: ...urge suppressers are recommended to prevent power line spikes from feeding through to the instruments These power requirements are satisfied by the Hastings Power Supply described in Section 1 4 Accessories 2 3 Output 2 3 Output 2 3 Output 2 3 Output 2 3 Output V V V V Voltage oltage oltage oltage oltage The output of the flowmeter is a 0 5 00VDC signal proportional to the flow rate The output is ...

Страница 8: ...t transducers while the power supply is energized The display may read either percent of full scale or actual flow rate depending on the power supply purchased To read flow rate turn display switch to desired channel 2 6 2 2 6 2 2 6 2 2 6 2 2 6 2 Ambient Ambient Ambient Ambient Ambient T T T T Tempera empera empera empera emperature ture ture ture ture In order to maintain the accuracy of the flow...

Страница 9: ... sensor and the shunt is always laminar The circuit board amplifies the sensor output to 5 00VDC and sends it to the power supply to display All of these components working together result in a fast stable flowmeter 3 2 Sensor 3 2 Sensor 3 2 Sensor 3 2 Sensor 3 2 Sensor The Hastings Model HFM Mass Flowmeter operates on a unique thermal electric principle whereby a metallic capillary tube is heated...

Страница 10: ...rate ofchange of the input signal and adding it to the amplified input signal The elec tronics are adjusted to provide response times of less than two seconds to 98 of a 0 100 step change with less than 2 overshoot The electronics also maintain the ouput signal above 5 00VDC when the flowrate exceeds the full scale flow of the flowmeter NO NO NO NO NOTE TE TE TE TE The output signal will continue ...

Страница 11: ...is adjustable from 0 50 slpm to 0 500 slpm The HFM 229B Series uses an external laminar flow element instead of an internal shunt because the necessary size for the element exceeds the body size of the flowmeter This laminar flow element is made of a corrugated and fused stainless steel ribbon similar to the one used in the Model HFM 230 Fig 3 7 Fig 3 7 Fig 3 7 Fig 3 7 Fig 3 7 ...

Страница 12: ...126B PAGE 12 ...

Страница 13: ... 4 4 4 4 4 Adjust SPAN pot until the flowmeter indicates full scale flow 5 000VDC NOTE Perform this step only if a calibrated reference flowmeter is avail able 5 5 5 5 5 Record flowmeter and flow reference outputs for flow rates of 20 40 60 80 and 100 4 3 2 Response 4 3 2 Response 4 3 2 Response 4 3 2 Response 4 3 2 Response Time Time Time Time Time Adjustments Adjustments Adjustments Adjustments ...

Страница 14: ... 5 Range Changes 4 5 Range Changes Remove end cap and shunt assembly per Section 4 4 above The 0 10 sccm to 0 300 sccm range shunt has tubes while the medium range shunt is built from a coil of corrugated stainless steel foil The medium range shunt has a disk assembly with two large one medium and one small hole To change ranges the disc on the inlet of the shunt should be loosened turned and reti...

Страница 15: ... and tighten down the three screws evenly Replacement of sensor will require recalibration per Section 4 3 1 4 8 4 8 4 8 4 8 4 8 T T T T Troubleshooting roubleshooting roubleshooting roubleshooting roubleshooting SYMPT SYMPT SYMPT SYMPT SYMPTOM OM OM OM OM Output reads 40 of flow with no flow Zero pot has no effect CA CA CA CA CAUSE USE USE USE USE Power supply locked up or shorted out A A A A ACT...

Страница 16: ...an 0 00VDC with no flow or there is a small flow when flowmeter reads 0 00VDC CA CA CA CA CAUSE USE USE USE USE ZERO potentiometer is out of adjustment A A A A ACTION CTION CTION CTION CTION Shut off all flow Adjust ZERO potentiometer until output reads 0 00VDC SYMPTOM SYMPTOM SYMPTOM SYMPTOM SYMPTOM Flowmeter out of calibration and non linear CAUSE CAUSE CAUSE CAUSE CAUSE Leaks in gas inlet or ou...

Страница 17: ...4 0 Flange 0 3000 SLPM 65 140K LFE Model LS 6F 6 0 Flange 0 6000 SLPM 65 140L LFE Model LS 8F 8 0 Flange 0 15 000 SLPM 39 02 003 SMALL FILTER DISC HFM 229 HFM 229B AND HFC 202 39 02 002 LARGE FILTER DISC HFM 230AND HFC 203 81 105 SENSOR MODULE ALL MODELS 65 595 FAST RESPONSE HFM ELECTRONICS CARD D CONNECTOR 81 115 VITON O RING KIT FOR HFM 200 and 200B 81 116 VITON O RING KIT FOR HFM 201 81 146 KAL...

Страница 18: ...126B PAGE 18 ...

Страница 19: ...nstruments determines in good faith that it is defective in materials or workmanship during the warranty period Defective instruments should be returned to Hastings Instruments together with a written statement of the problem and a Return MaterialAuthorization RMA number Please consult the factory for your RMA number before returning any product for repair Non W Non W Non W Non W Non War ar ar ar ...

Страница 20: ...126B PAGE 20 ...

Страница 21: ...126B PAGE 21 7 0 Diagrams and Drawings ...

Страница 22: ...126B PAGE 22 PC 810Assembly InformationfromHastingsdrawing30837rev F ...

Страница 23: ...126B PAGE 23 PC 810Schematic InformationfromHastingsdrawing30837rev F ...

Страница 24: ...126B PAGE 24 ...

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