Applicable refrigerant | R407H, R23, R290, R1234yf, R442A, R134a, R123, R452B, R438A, R421A, R453a, R401B, R1233zd, R410A, R407A, R407C, R452 A, R401A, R422C, R427a, R422B, R424A, R125, R414B, R404A, R408A, R448A, R422D, R12, R114, R421B, R449A, R409A, R420A, R444B, R32, R454A, R124, R402A, R450A, R407F, R416A, R13, R437A, R1234ze, R454B, R402B, R22, R434A, R454C, R455A, R45 8A, R500, R502, R503, R507, R513A, R600a, R718 (H2O), ※R744 (CO2) ※R744 (CO2) cannot be used at pressures that exceed the measurement range (-0.1 to 6.0 MPa). | Surface temperature measurement range | -40 to 125℃ |