B01Y53

The B01Y53 is a watertight three-axis IEPE accelerometer built on a piezoelectric ceramic shear structure with a wide-band frequency response. With 5 mV/g sensitivity and a ±1,000 g range it is the most sensitive model in the family, with ±1,000 g, a 2 – 8k Hz (±5%) response and the lowest noise floor for general triaxial vibration on submerged or wet structures. Typical uses include underwater vibration testing, marine and subsea NVH, hull, propulsion and pipework vibration and general triaxial measurement in humid or washdown environments.

A one-piece vulcanized 6-pin polyurethane cable withstands longitudinal and transverse water pressure above 3 MPa and is inherently resistant to moisture and corrosion, so there is no connector to flood. The built-in low-impedance circuit sits inside a double-layer shielded construction that isolates the signal ground (≥ 10⁸ Ω) for strong interference immunity, low noise and a well-behaved temperature response. The laser-welded low-density titanium-alloy 27 × 27 × 15 mm housing weighs 60 g, uses memory-alloy fasteners for a stable, reliable structure, and bolts down through two M4 through-holes.

Sealed for immersion and corrosion

Laser-welded titanium housing sealed to IP68 with a one-piece vulcanized cable rated above 3 MPa in both directions and inherently resistant to moisture and corrosion. Rated to 2,500 g rms vibration and 6,000 g pk shock, −50 to +120 °C.

Three axes, double shielded

Simultaneous X, Y and Z from a single 27 × 27 × 15 mm block with ≤ 5% transverse sensitivity. Double-layer shielding isolates the signal ground (≥ 10⁸ Ω) and rejects interference on long cable runs to the surface.

Built-in IEPE electronics

Shear-mode ceramics with a ≥ 50 kHz resonance and a ≤ 1 s discharge time constant handle ±1,000 g events cleanly. Built-in IEPE circuit with 2–20 mA excitation and 8–12 V bias, spectral noise of 80 µg/√Hz at 100 Hz and 0.002 g rms broadband resolution.

Key specifications