cosmos code manufacturer model type 1 Optical-mechanical accelerometer 2 Kinemetrics FBA-1 accelerometer 3 Kinemetrics FBA-3 accelerometer 4 Kinemetrics FBA-11 accelerometer 5 Kinemetrics FBA-13 accelerometer 6 Kinemetrics FBA-13DH accelerometer 7 Kinemetrics FBA-23 accelerometer 8 Kinemetrics FBA-23DH accelerometer 20 Kinemetrics Episensor accelerometer 20 Kinemetrics Episensor ES-U accelerometer 50 Sprengnether FBX-23 accelerometer 51 Sprengnether FBX-26 accelerometer 100 Terratech SSA 120 accelerometer 101 Terratech SSA 220 accelerometer 102 Terratech SSA 320 accelerometer 150 Wilcoxson 731A accelerometer 200 Guralp CMG-5 accelerometer 900 Other accelerometer 1001 Kinemetrics SS-1 Ranger velocity sensor 1050 Sprengnether S-3000 velocity sensor 1201 Guralp CMG-1 velocity sensor 1202 Guralp CMG-3T velocity sensor 1203 Guralp CMG-3ESP velocity sensor 1204 Guralp CMG-40 velocity sensor 1250 Strecheisen STS-1 velocity sensor 1251 Strecheisen STS-2 velocity sensor 1300 Mark Products L4 velocity sensor 1301 Mark Products L22D velocity sensor 1900 Other velocity sensor 3000 pressure series 3500 Dilatometer series 4000 Relative displacement series 4500 Rotational series 9000 Other series