ELS tilt sensorbeam sensor
5420, 5440
FSG inclinometer
4410
FSG vertical multi-pointinclinometers
4430
FSG rebar stressmeters
4260, 4290
Electrical soil strainmeter
4360
FSG/Semiconductorsettlement gage
4810F, 4810S
Electrical high sensitivitysettlement system
4660
FSG borehole rodextensometer
4380
FSG rod extensometers
4390, 4391
FSG rock bolt stressmeter
4350
Induction current typeextensometer
5600