Key Features
- Ultra-high sensitivity (≈2.5 V/g without pre-amp)
- Unmatched dynamic range (<1x10-5 g to 20 g)
- Compact and light (Ø63 x 42 mm & 480 grams for 3D version)
Description
Model SIA1 is an ultra-high sensitivity seismic / infrasonic accelerometer. It incorporates MMT’s unique design and PZN-PT single crystal technology and has an extremely wide dynamic range of <1x10-5 g to 20 g. It is available in both 1-D and 3-D design. Other performance characteristics are provided in the table below.
Technical Specifications
| Description |
Specifications |
| Working frequency range (Hz) |
0.1 – 200 |
| Resonant frequency (Hz) |
350 |
| Charge sensitivity (pC/g) |
25,000 |
| Voltage sensitivity (V/g) |
≈2.5 (w/o pre-amp)
Measured with a 1 m cable together with a 10x probe. |
| Sensitivity direction [1-D] |
Normal to base |
| Sensitivity direction [3-D] |
3 axis (X, Y, Z) |
| Cross sensitivity (% of on-axis) |
<3 |
| Capacitance (nF) |
10 |
| Dynamic range (g) |
<1x10-5 to 20 |
| Dimensions (mm): 1D / 3D |
Ø35 x 29 / Ø63 x 42 (both w/o electronics) |
| Weight (grams): 1D / 3D |
135 / 480 (both w/o electronics) |
| Operation temperature range (°C) |
-10 to 65 |
| Output connection |
SMC socket |
| Casing material |
AISI 304 stainless steel |
| Pre-amp electronics |
Under development |
Product Brochure