Endevco Cryogenic Charge Output Accelerometers
PCB's acquisition of Endevco's full line of testing sensors means that now all Endevco sensors are supported by PCB's comprehensive Total Customer Satisfaction (TCS) guarantee, providing enhanced confidence and reliability for customers. Endevco® cryogenic piezoelectric accelerometers are specifically engineered for precise vibration measurement under extremely challenging cryogenic conditions, operating reliably down to -452° F (-269° C). The signal outputs from these sensors remain exceptionally stable even at such extremely low temperatures, ensuring consistent performance. Their robust internal construction is carefully designed to endure multiple cycles of thermal shock, including steep and rapid temperature changes. These accelerometers are self-generating devices that require no external power source for operation and contain no active electronics. This unique design enables them to function effectively below the -320° F (-196° C) operating limit of standard ICP accelerometers, reaching temperatures as low as -452° F (-269° C) without loss of performance.
| Model Number | Sensitivity (±15 %) | Measurement Range | Frequency Range (±5%) | Operating Temperature Range |
|---|---|---|---|---|
| 2271AM20 | 11.5 pC/g | 10,000 g pk | 4,000 Hz | -452 to +500 °F (-269 to +260 °C) |
| 2271A | 11.5 pC/g | 10,000 g pk | 4,000 Hz | -452 to +500 °F (-269 to +260 °C) |
| 7722 | 3.7 pC/g | 500 g pk | 4,000 Hz | -452 to +350 °F (-269 to +177 °C) |
| 7724 | 3.7 pC/g | 500 g pk | 4,000 Hz | -452 to +350 °F (-269 to +177 °C) |
| Typical Applications | Rocket engine testing, vibroacoustic testing, and vehicle dynamics studies | |||
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