| Low impedance piezoelectric system (voltage mode) Low output impedance, <100 fi Low noise output signal Fixed accelerometer range and voltage sensitivity Simple two-wire system for power and signal with no special cable conductor requirements Lower cost per channel Simple and inexpensive signal conditioning; power supply/coupler and standard cables Coupler for setting of gain, range, filtering and time constant Frequency response 0,5 ... 20 000 Hz Sensors having operational temperature ranges of -195 ... 165 °C High impedance piezoelectric system (charge mode) Wide measuring range One accelerometer can be used over its entire measuring range by selecting an appropriate charge amplifier range Push-button, electronic or computer controlled resetting of charge amplifier. Sensors having operational temperature range up to 250 °C or higher Charge amplifier for setting of range, filtering and time constant Frequency response 0,5 . 20 000 Hz Silicon micromachined variable capacitance system True static and dynamic measuring response Frequency response 0 . 500 Hz Both acceleration and inclination information possible using AC or DC coupled output Output signals can be either single ended, bipolar, differential voltages or current Sensors having operational temperature ranges of -40 ... 85 °C |