B05BM3

The B05BM3 is a micro-miniature IEPE teardrop accelerometer built on a piezoelectric ceramic shear structure with a built-in micro impedance converter that turns the charge signal into a low-impedance voltage output, with excellent long-term stability and repeatability. With 50 mV/g sensitivity and a ±100 g range it is the 50 mV/g model in the family, with ±100 g, a ±5% response to 10 kHz and a low noise floor for general vibration on small structures. Typical uses include PCB and small-component testing, ESS, modal work on light structures and vibration measurement in confined spaces.

The built-in IEPE circuit runs from any 2–20 mA constant-current source with an 8–12 V bias, and the sensitivity temperature response is −0.07 %/°C. The laser-welded titanium-alloy teardrop housing measures just 15.7 × 8.5 × 5.1 mm and weighs 1.7 g, so it adds almost no mass to small or light test articles. An integrated male M3 mounting stud screws straight into a tapped hole or stud base for a stiff, repeatable mount with no adhesive, and the low-profile M3 side connector keeps the cable exit close to the surface.

Minimal mass loading

At 1.7 g and 15.7 × 8.5 × 5.1 mm, the B05BM3 barely changes the response of PCBs, small components and light structures, so what you measure is the structure, not the sensor. Fits where larger sensors cannot.

Stud mount, no adhesive

An integrated male M3 stud gives a rigid, repeatable mount that transmits high frequencies cleanly (resonance ≥ 38 kHz) and lets the sensor be moved between tapped locations in seconds, with a 10-32 mounting thread version available. M3 side connector for a low-profile cable exit.

Built-in IEPE electronics

Shear-mode piezoceramic with a built-in impedance converter: 2–20 mA excitation, 8–12 V bias, spectral noise of 8 µg/√Hz at 100 Hz and 0.0002 g rms broadband resolution, rated to 800 g rms vibration and 2,000 g pk shock. Response to 10 kHz.

Key specifications