Accelerometer Pod

Product catalog summary

Warranty Information: eDAQ hardware units come with a one-year warranty. For more information, visit www.eDAQ.com or contact via email at [email protected].

Description: The Accelerometer Pod (Model EP312) is a compact signal conditioner designed for use with an e-corder unit. It provides a continuous AC coupled signal from PCB Piezotronics ICP® accelerometers, microphones, and related sensors that require a constant current supply.

Theory of Operation: The ICP® sensor generates a charge proportional to acceleration. This charge affects the output impedance of a FET, and a constant current applied to this impedance produces a voltage signal proportional to acceleration.

Specifications:

Software-controlled and plug-and-play installation with e-corder.
Input range: ±20 V, accepts most ICP® transducers.
Input impedance: 1 MΩ ± 1%.
Coupling capacitor: 1µF.
Current source: 4 ± 0.01 mA, with compliance of 33 ± 1 V.
Gain: 0.0998 – 0.1002.
Maximum input: ±20 V, maximum output signal: ±2 V.
High pass filter: 0.16 Hz, 1st order; Low pass filter: 10 kHz*, 3rd order Bessel.
Frequency response: 0.16 — 10 kHz*.
Amplifier noise: < 1 µV pp, 0.1 – 10 Hz.
Input connection: BNC connector.
Dimensions: 108 x 58 x 35 mm (4.25" x 2.28" x 1.38").
Weight: ~200 g (7 oz).

Note: Specifications are subject to change by eDAQ Pty Ltd.

Stacking and Unstacking Pods: Pods can be stacked by clicking them into place. To unstack, push the top Pod towards the back and pull them apart from the back.

Catalog excerpts

Plug and play installation with e-corder Accepts most ICP® transducers Calibrate in user-defined units A compact signal conditioner for use with an e-corder unit, providing a continuous AC coupled signal from PCB Piezotronics ICP® accelerometers, microphones, vibration and related sensors requiring a constant current supply. See www.pcb.com for suitable sensors. An ICP® sensor comprises a charge generator the output of which is proportional to acceleration. This charge, applied to the gate of the FET varies its output impedance. A constant current applied to the output impedance produces a voltage signal proportional to the acceleration. (See block diagram, below.) zxtendable to 20 kHz on special order Stacking and Unstacking Pods Pods stack by clicking into place on top of each other. To separate stacked Pods, push the top Pod towards the back and then pull them apart from the back (See picture on right.) WARRANTY: eDAQ Hardware units are supported by a one year warrant/ E-mail: [email protected] e-corder is a registered trademark of eDAQ Pty Ltd. All other trademarks are the property of their respective owners, PTS/OS

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

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