Welcome to the Patkor store auction

On this auction we offer: a professional ZF-23HP geophone. It is an equivalent of the SM-24 and SM-4 geophones. The subassembly is designed for seismic research as well as all kinds of variable vibrations up to the frequency of 240Hz. The device can operate in the range from 10Hz to 240Hz. Coil resistance is 375Ω. The excitation element in the subassembly is a magnet on a special suspension. The magnet can move both up and down the geophone. The geophone diameter is 25.4 mm. The height of the geophone 32 mm. Weight 74 g. The subassembly can work in the range from -40 ° C to + 100 ° C. The rest of the data on the scan. NOTE: The geophone is great as a sensor for the protection of objects or territory. In the first case, it must be mechanically connected to the door, for example, any attempt to open it by force will activate the geophone. In the second case, it is enough that it will be buried in an airtight container in the ground. You can detect a single human passing by. Thanks to information from one of our clients. The offered geophone is operational. In perfect technical condition. Has been tested. Some geophones may not have a sticker. They are of course of the same type.