This document provides specifications for the 3143D2 triaxial LIVM accelerometer, including weight, size, sensitivity, frequency range, etc.
The 3143D2 is a triaxial LIVM accelerometer designed for high‑frequency vibration measurement. It features a titanium housing, hermetic seal, and a four‑pin radially mounted connector. The device includes a mounting provision for a 6‑32 screw and a recommended mounting torque of 10‑15 lb‑in.
Key specifications include a weight of 14 g, size of 0.82 × 0.82 × 0.34 in, sensitivity of 50 mV/g, frequency range of 0.5‑3000 Hz, and a resonant frequency of 25 kHz. Electrical characteristics feature a supply current of 2‑20 mA, compliance voltage of 18‑30 VDC, typical output impedance of 100 Ω, and a bias voltage of 12 V.
| Weight | 14 Grams |
|---|---|
| Size (L×W×H) | 0.82 x 0.82 x 0.34 Inches |
| Mounting provision | 6‑32 mounting screw |
| Connector | 4‑pin radially mounted |
| Housing & connector material | Titanium |
| Sensitivity | 50 mV/g |
| Full‑scale range | +100 g |
| Frequency range | 0.5 to 3000 Hz |
| Resonant frequency | 25 kHz |
| Noise floor | 0.0014 g RMS |
| Linearity | +1 % of full scale |
| Maximum vibration/shock | 600/1500 g peak |
| Operating temperature range | -60 to +185 °F |
| Survival temperature range | -100 to +225 °F |
| Seal type | Hermetic (welded glass‑to‑metal connector) |
| Supply current range | 2 to 20 mA |
| Compliance voltage range | 18 to 30 VDC |
| Output impedance (typical) | 100 Ω |
| Bias voltage (nominal) | 12 V (±1 V) |
| Discharge time constant | 1 s |
| Output signal polarity | Positive for acceleration toward top |
| Electrical isolation | Case ground to mounting surface |
| Recommended cable | Model 6041C (4‑pin connectors both ends) |
The recommended mounting torque is 10‑15 lb‑inches.
Use Model 6041C, a 4‑pin cable, for connection to Dytran power units.
The typical output impedance is 100 Ω.
It operates from –60 °F to +185 °F.