... ModelRV-100VYMeasuring Range 0.2 ~ 3 m, 0.5 ~ 6 m, a ~ 10 m1.5 ~ 15 m, 1.5 ~ 20 m, 2.5 ~ 30 metersSix kinds of standard ... optionalBasic Error ± 1% F.S. ± 1mm, ± 0.5 ... economical. Is not the container openings, without flange, without connecting pipe. In particular, AE-type, NAE-type liquid level measuring instrument ...