3133A2 is a triaxial accelerometer produced by HBM, Germany. It measures 500G with a resolution of 0.02g and an accuracy of 25%. It weighs 0.03g and has an external dimension of 0.24*0.24mm. Its frequency range is 0.7-7000Hz.
The 3133A2 is an ultra‑miniature triaxial IEPE accelerometer designed for vibration and shock measurement in industrial and research applications. It features a titanium housing, quartz sensing element, and a 4‑pin connector, with accessories such as mounting adhesive and a calibration certificate (ISO 17025).\n\nKey specifications include a measurement range of up to 2500 m/s², frequency response up to 7 kHz on axes 1‑2 and 10 kHz on axis 3, sensitivity of 2 mV/m/s² (±25%), bias voltage of +7 to +9 VDC, and a power supply of +18 to +30 VDC with a current draw of 2‑20 mA. The device operates from –60 °F to +300 °F and has a resonance frequency above 35 kHz.
| Model Number | 3133A2 |
|---|---|
| Weight | 0.03 oz (0.8 g) |
| Sensitivity | 2 mV/m/s² (±25%) |
| Acceleration Range (Gpeak) | 2500 m/s² |
| Frequency Range (Axes 1‑2) | 0.7 Hz – 7 kHz |
| Frequency Range (Axis 3) | 0.7 Hz – 10 kHz |
| Resonance Frequency | >35 kHz |
| Bias Voltage | +7 V to +9 V DC |
| Power Supply Voltage | +18 V to +30 V DC |
| Current Consumption | 2 mA – 20 mA |
| Noise Floor | 0.15 m/s² rms |
| Operating Temperature | -60 °F to +300 °F |
| Housing Material | Titanium |
| Sensing Element Material | Quartz |
| Connector Type | 4‑pin |
The bias voltage is specified as +7 V to +9 V DC.
The device requires a supply voltage of +18 V to +30 V DC.
Axes 1 and 2 have a frequency range of 0.7 Hz to 7 kHz.
The accelerometer can measure up to 2500 m/s² (Gpeak).