Tellus-L 1s is a cost-effective short band seismometer that can be used both in active and passive seismology which offers excellent price-performance ratio.
Tellus-L is manufactured with 4.5Hz geophones and offers electronically extended frequency response through an inverse-filter function. Low noise components and a compensation circuitry assure high dynamic range and stability.
The Tellus-L’s standard flat bandpass ranges from 1Hz to 100Hz, 0.2Hz to 100Hz is available on request.
The transduction factor is 120V/m/s and the output is differential.
It’s rugged design and IP68 protection make it ideal for harsh environments and for field use, moreover a metallic spike facilitates the installation in the ground.
Tellus-L comes in vertical or triaxial variant.