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SMT-400 Geophone Testermore

The fifth generation SMT series Geophone Tester which again sets the industry standard for geophone and string testing. The SMT-400 utilises the latest advances in analogue and digital electronics including a high resolution 24 bit Sigma-Delta A/D converter which provides both speed and accuracy in the data collection process.

SMT-400 Geophone Tester

SMT-40 Geophone String Checkermore

The SMT-40 geophone string checker is a hand-held unit, allowing a quick and efficient method of checking geophone string resistance, impedance, and polarity.

SMT-40 Geophone String Checker