B05Y53

The B05Y53 is a case-isolated waterproof three-axis IEPE accelerometer built on a piezoelectric ceramic shear structure with a wide-bandwidth frequency response. With 50 mV/g sensitivity and a ±100 g range it is the higher-range model of the pair, for low-frequency triaxial vibration on submerged or corrosion-exposed structures. Typical uses include underwater vibration on hulls, propulsion and subsea equipment, offshore and hydro structures and machinery in humid or corrosive plant areas.

A double-shielded construction around the built-in low-impedance circuit gives ≥ 10⁸ Ω case isolation and enhanced rejection of common-mode electrical interference. The integrated vulcanized 4-pin polyurethane cable withstands longitudinal and transverse hydrostatic pressure above 3 MPa and is inherently resistant to moisture and corrosive media, so there is no connector to flood. The laser-welded titanium-alloy 36 × 36 × 20 mm housing keeps the mass to 90 g and bolts down through a ⌀5.1 mm center hole or on an M5 stud.

Sealed for immersion and corrosion

Laser-welded titanium housing sealed to IP68 with an integrated vulcanized cable rated above 3 MPa in both directions and inherently resistant to moisture and corrosive media. Rated to 800 g rms vibration and 2,000 g pk shock, −40 to +80 °C.

Three axes, case isolated

Simultaneous X, Y and Z measurement from a single block with ≤ 5% transverse sensitivity. Double-shielded construction isolates the case (≥ 10⁸ Ω) and rejects common-mode interference, so long cable runs on conductive structures stay clean.

Built-in IEPE electronics

Low-impedance circuit with 2–20 mA constant-current excitation and 8–12 V bias. Spectral noise of 4.8 µg/√Hz at 100 Hz and 0.0002 g rms broadband resolution, with a 1 Hz to 3 kHz (±5%) bandwidth and resonance ≥ 18 kHz suited to structural and low-frequency work.

Key specifications