DAIHAN® Pocket Dew-point Thermo-Hygrometer of Temp·RH%·DP℃·WB℃ “THH5”, Max/Min, HoldOptional External Temp Probe(-20℃+70℃), -20℃+50℃, 0~100% RH, -78.7℃+50℃ DP, 포켓 다기능 이슬점 온습도계 (DH24CAT00003138)