Trans® PrecisePortablepH·DO·Conductivity·Salinity·TempMeterSet“AquaCOMBO”,SimultaneousDisplay 2~12pH, 0~30ppm(DO), 0~1999μs/2~69.9mS, 0~42ppt(Salinity), 0°C~60°C, 정밀 휴대용 멀티 미터 (SL25CAT00000950)