Suntex® Portable pH·ORP·Ion·Temp. Meter set, “TS-210”, “TS-230” & “TS-250”, -2~20pH, ±2000mVWith pH Electrode & Carrying Case, with Vertical Display and Graphical Icon, IP65 Waterproof, Data logger, 휴대용 다기능 pH·Ion 미터 세트 (DH24CAT00002235)