PCB Piezotronics 122A21 Скачать руководство пользователя | Manualshive

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Model 122A21

Helium Bleed, ICP® Dynamic Pressure Sensor

Installation and Operating Manual

For assistance with the operation of this product , contact the Pressure

Division of PCB Piezotronics, Inc.

Division toll-free

888-684-0015

24-hour SensorLine

SM

716-684-0001

Fax

716-686-9129

E-mail

[email protected]

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Содержание 122A21

Страница 1: ...ensor Installation and Operating Manual For assistance with the operation of this product contact the Pressure Division of PCB Piezotronics Inc Division toll free 888 684 0015 24 hour SensorLineSM 716 684 0001 Fax 716 686 9129 E mail pressure pcb com ...

Страница 2: ...oid the factory warranty Calibration Routine calibration of sensors and associated instrumentation is recommended as this helps build confidence in measurement accuracy and acquired data Equipment calibration cycles are typically established by the users own quality regimen When in doubt about a calibration cycle a good rule of thumb is to recalibrate on an annual basis It is also good practice to...

Страница 3: ... warranty against defective material and workmanship for a period of one year from date of original purchase Contact PCB for a complete statement of our warranty Expendable items such as batteries and mounting hardware are not covered by warranty Mechanical damage to equipment due to improper use is not covered by warranty Electronic circuitry failure caused by the introduction of unregulated or i...

Страница 4: ...voltage signal that can be fed directly into most common indicating or recording instruments The 122A series sensors contain a 10 micron helium filter contained in a fitting threaded onto the helium input tube The purpose of this filter is to prevent particles in the helium supply from plugging the metering orifice The outer body of this series is 17 4 PH hardened stainless steel and features a co...

Страница 5: ...output sensors are susceptible to decreased insulation resistance use care to keep cable connections clean by use of shrink tubing wherever possible 4 0 OPERATION 4 1 CHARGE OUTPUT MODEL 122A For the 122A Charge Output Model it is only necessary to select the proper range on the charge amplifier and proceed with the measurement The probe sensitivity is approximately 1 0 pC psi The exact sensitivit...

Страница 6: ... combustion pressure static plus dynamic to be measured but not more than about ten times the lowest pressure This is true for all models charge or ICP 5 0 CALIBRATION 5 1 CHARGE MODEL 122A To calibrate this model install in pressure port of dead weight tester and apply various static pressures recording corresponding outputs at each pressure of interest Discharge the charge amplifier before each ...

Страница 7: ...ld repair impractical The helium filter element should be cleaned should the flow rate decrease Remove the element and ultrasonically agitate in solvent for 15 minutes then dry Should the orifice become plugged back pressure the orifice by applying air pressure to diaphragm end of sensor with filter off and helium tube vented to atmosphere The only maintenance possible on the probe is maintaining ...

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Страница 10: ...ensor Model ________________________ S N __________________________ Initial Calibration Input PSI 500 1000 1500 2000 2500 3000 System Output V Burst Test to 5000 PSI Failed Final Calibration Input PSI 500 1000 1500 2000 2500 3000 System Output V Helium Flow Test Input Pressure _________ PSIG Flow Rate _________ SCFH Date _____________________ By _____________________ ...

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