3TB – Weak motion broadband seismometer –Datasheet 
5TB – Strong motion broadband accelerometer – Datasheet 
3TB/5TB – Hybrid weak and strong motion instrument – Datasheet 
40TB – Medium motion broadband seismometer – Datasheet 
Flute – Ultra-slimline borehole broadband seismometer – Datasheet 
Borehole instruments should be chosen based on the scientific requirement. This is determined by the bandwidth, sensitivity and noise level required for that unit.