MPa Model AC20m AC25m, AC30m AC40m AC40m-06 AC50m, AC55m, AC60m Scale plate V V V V V V V V V V c P Note 2) Both MPa and psi pressure unit IS10M-20 IS10M-30 IS10M-40 IS10M-50 IS10M-60 Note 1) Note 2) Set pressure range of 6P(L, Z) is 0.2 to 0.6 MPa (30 to 90 psi).