DAIHAN® Pocket Dew-point Thermo-Hygrometer of Temp · RH% · DP℃ · WB℃, Max/Min, HoldOptional External Temp Probe(-20+70℃), -20+50℃, 0~100% RH, -78.7+50℃ DP, 포켓 다기능 이슬점 온습도계 (DH20030300P3102)