AISI 4340 NICKEL PLATED STEEL CONSTRUCTION COMBINED ERROR < +/- 0.014 % IP69K PROTECTION RATING C5 (OIML R 60) ACCURACY CLASS TWO-CONNECTOR DIGITAL

17-4 PH STAINLESS STEEL CONSTRUCTION COMBINED ERROR < +/- 0.017 % IP68 PROTECTION RATING LIGHTNING PROTECTION C4 (OIML R60) ACCURACY CLASS

AISI 4340 NICKEL PLATED STEEL CONSTRUCTION COMBINED ERROR < +/- 0.02 % IP68 PROTECTION RATING C3 (OIML R60) ACCURACY CLASS

17-4PH STAINLESS STEEL CONSTRUCTION COMBINED ERROR < +/- 0.017% (0.013% C4) IP68 PROTECTION RATING C4 (OIML R60) ACCURACY CLASS