TELLUS-R

Tellus-R is a rotational seismometer which was conceived for measuring the rotational ground motion.

MODERN SURVEYS

Angular velocimeters are highly valued when constructing modern seismic systems which records all six components of mechanical motion.

HIGHLY PERFORMANT

Tellus-R has high sensitivity for the detection of rotational modes of earthquakes along with a wide dynamic and frequency range. A characteristic feature of the instrument is that it is low noise with a minimal power consumption, which is a significant advantage over electro-mechanical, fiber-optic and other types of rotational motion sensors. Tellus-R comes with a calibration input which allows periodic calibration without the use of expensive dedicated equipment.

ROBUST

Tellus-R comes in a hard coating anodized aluminum housing, IP67 or optionally IP68. It is well suited to harsh environments and is capable of operating at any orientation in space over a wide range of temperatures.

Dynamic range 117dB
Frequency range: 0.01hz ÷ 100 Hz
Transduction factor 50 V/rad/s
High accuracy​
Low self-noise​​
Good thermal stability
Low power
Robust

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