Description Model SJ – 1200 , VW Readout Unit, is composed of body (battery contained), sensor connecting cable and charger.The body is equipped with two buttons and large LCD and it is designed in such a way that anyone can handleconveniently to read the data easily. The mode selection suitableRead More →

Description Model SJ-7000 magnetic probe extensometer is designed to measure settlement or heave through movement of probe in PVC access pipe.  Ring magnet and Spider magnets and magnet plate are installed at PVC access pipe and borehole. Probe sense magnetic position. If probe reach spider magnet, LED lamp is “ON”Read More →