Geonor - Model P-520N - Vibrating-wire Frequency Counter - Brochure

The P-520N frequency counter is the read-out instrument for all GEONOR vibrating-wire transducers. The counter is designed for use in situ and is enclosed in a rigid aluminium housing. The display shows the frequency of vibration in 0,1Hz, which has to be calculated to physical units using a calibration table. It is powered by a rechargeable 12 V NiCd battery.