Manufacturer Part Number: HI98128|Meter Type|Minimum pH Range|-2.0Minimum Conductivity|Probe Type|Replaceable pH ElectrodeMaximum pH Range|16.0Minimum Salinity|Maximum Conductivity|Minimum Operating Temperature|23 F; -5 CMaximum Salinity|Maximum Operating Temperature|122 F; 50 CDisplay Type|LCDAutomatic Temperature Compensation|YesMinimum Ph Range|-2.0Memory|Accuracy|0.05 pH; 0.5 C; 1 FAuto Power Off|Maximum Ph Range|16.0Waterproof|YesMinimum Tds|Overall Height|6.4in; 163mmSensor Material|Maximum Tds|Accuracy|Electric Conductivity Accuracy|For Use With|Ion Specific Electrode Accuracy|Interface|Overall Width|1.6in; 40mmOverall Depth|1in; 26mmFeatures|Auto Power Off; Stability IndicatorIncludes|(2) HI70004 pH 4.01 Buffer Solution; (2) HI70007 pH 7.01 Buffer Solution; (4) 1.5V Batteries; HI700601 pH & ORP Electrode Cleaning Solution; HI70300N Storage Solution for pH & ORP Electrodes; HI73127 pH Electrode; HI73128 Electrode Removal Tool; InstructiStandards|Minimum TDS|Maximum TDS|Probe Type|Replaceable pH ElectrodeResolution|0.01 pH; 0.01 pHAccuracy|0.05 pH; 0.5 C; 1 FMinimum Temperature (F)|23 F; -5 C; 23Maximum Temperature (F)|122 F; 50 C; 140PSC Code|UNSPSC Code|