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Dynamic pressure sensors are typically calibrated by varying the amplitude rather than the frequency of the input. To service the wide range of pressure events measured by dynamic pressure sensors, The Modal Shop offers systems that calibrate sensors designed for atmospheric blast experiments, gas turbine exhaust fluctuations, internal combustion engine measurements, ammunition brass calibrations, and hydraulic or fuel line measurements. These systems have been proven in tens of thousands of factory calibrations performed at PCB Piezotronics, and this rich metrology heritage is leveraged with a digital hardware and software platform that is shared with the Precision Sensor Calibration Workstation Model 9155D.
In addition, a variety of Dynamic Pressure Systems are offered as modular options to expand the 9155D System to include dynamic pressure.
| Range psi (MPa) | Uncertainty | Workstation | 9155D Option | |
|---|---|---|---|---|
| Low Pressure | 150 (1.0) | ±1.5 % | K9903C | 9155D-903 |
| Medium Pressure | 1 000 (6.9) | ±1.5 % | K9907C | 9155D-907 |
| High Pressure | 15 000 (103.4) | ±4.1 % | K9913C | 9155D-913 |
| Ultra-High Pressure | 80 000 (550) | ±2.0 % | K9905D | - |
| Shock Tube | 1 000 (6.9) | - | K9901C | - |
The K9903C Workstation and 9155D-903 Option provide low pressure transient inputs to the sensor under test, in accordance with ANSI B88.1. Systems offer a pressure range of 5 to 150 psi, 1 MPa.
The K9907C Workstation and 9155D-907 Option provide a step pressure pulse to the sensor under test using helium gas as a medium. Systems offer a pressure range of 100 to 1 000 psi, 6.9 MPa.
The K9913C Workstation and 9155D-913 Option offer accurate dynamic calibration of pressure sensors using an impulse input. Systems offer a pressure range of 100 to 15 000 psi, 103.4 MPa.
9905D Systems perform ultra-high pressure ammunition brass and oil calibrations with PCB 117 Series pressure sensors. Series options offer both manual and automated solutions, with and without software, to help meet your testing needs. Systems offer a dynamic range of 10 000 to 80 000 psi, 550 MPa.
The K9901C uniquely characterizes pressure sensors using shock waves created by diaphragm rupture. The reflected and incident pressures are measured, as well as the delay time and ambient weather conditions. Systems offer pressure levels up to 1 000 psi, 6.9 MPa.