Triaxial seismic switch SA-3

Triaxial seismic switch - SA-3 - SENSONICS LTD
Triaxial seismic switch - SA-3 - SENSONICS LTD
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Characteristics

Typ
triaxial
Frequency

Max.: 100 Hz

Min.: 0.1 Hz

Description

The SA series of seismic safety switches are triaxial vibration detection devices, suitable for the protection of vulnerable structures from ground-borne vibration events. The unit features three high integrity low noise piezoelectric seismometers in combination with alarm circuitry mounted in a robust weatherproof painted steel enclosure. Triaxial vibration protection switch, floor or wall mounting, Frequency response 0.1Hz to 100Hz, Sensitivity 0.005g to 0.5g The internal self-calibration facility, Qualified to IEEE std 344 • Frequency Response 0.1Hz to 100Hz • Sensitivity up to 50V/g • Unique Self Calibration Facility • Actuating Range 5mg to 500mg • Seismically Qualified to IEEE-344 Sensonics type SA-3 safety seismic switch is a tri-axial vibration detection device, suitable for the protection of vulnerable structures from seismic events. The unit features three high sensitivity low noise seismometers and high integrity alarm circuitry. The switch is seismically qualified and features an optional 2 out of 3 voting system. The switch operates on seismic events and when the signal from any axis exceeds the pre-set alarm level, the alarm relay is activated. Failure of any sensor or of the power supply will also cause an alarm relay to be activated. The contact changes from these relays are available for external use

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.