TELLUS-30S-60S-120S: SURFACE OR POSTHOLE BROADBAND SENSOR

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REQUEST FOR PRICING

Tellus-30s-60s-120s are three component broad band seismometers that can be used to sense weak motions from teleseismic events and regional earthquakes.

Description

HIGH ACCURACY

Tellus broadband is manufactured using high quality MET sensors whose frequency response can also be tuned electronically to custom periods, with high thermal stability and low noise components. The transduction factor of every single unit is individually calibrated on the shake table with an accuracy within ±1%.

FROM 30 DOWN TO 120 SECOND PERIOD

Tellus broadband exhibit a flat bandpass up to 50Hz or optionally up to 100Hz.

The lower frequency corner is 0.033Hz (30 seconds) for the 30s, 0.016Hz (60 seconds) for the 60s and 0.0083 Hz (120 seconds) for the 120s. The standard transduction factor is 2000V/m/s but customizable in the range 350 – 20000; the output is differential.

ROBUST

Tellus broadband is manufactured in aluminum hard coated housing and does not need mass locking or centering and therefore is well-suited to harsh environments.

A leveling bubble and adjustable spikes are provided for an easy regulation and quick installation.

Tellus broadband family is available in two versions: the Tellus Compact which is small and light and the Tellus Full-size which offers the highest performance.

Tellus PH is a variant of the compact which is ideal for post hole installations.

KEY FEATURES

TELLUS-30S-60S-120S SEISMOMETERS
Dynamic range > 150dB
Frequency range 30s, 60s and 120s up to 50Hz (100Hz opt)
Tansduction factor 2000V/m/s standard (350-20000 opt)
High accuracy
Low self-noise
Good thermal stability
Low power
Robust
No need for mass centering or mass locking

APPLICATONS

 National, Regional and Global Seismicity

SELF NOISE

Datasheet

Tellus-30s-60s-120s.pdf
Tellus-30s-60s-120s.pdf

 

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