HA series strain gauge; Self-temperature and creep compensations; With high accuracy; Good ... 7x7.8M3,M2,M1,O1,O2,O4CreepBF Series: modified phenolic resin backing, constantan alloyZF Series: modified phenolic resin backing, karma ... alloyBA Series: polyamide resin, constantan alloyNominal resistance(Ω): 350,650 ...