Manufacturer Part Number: PH100|Meter Type|Minimum pH Range|0.0Minimum Conductivity|Probe Type|Flat Surface pH MeterMaximum pH Range|14.0Minimum Salinity|Maximum Conductivity|Minimum Operating Temperature|23 F; -5 CMaximum Salinity|Maximum Operating Temperature|194 F; 90 CDisplay Type|LCDAutomatic Temperature Compensation|YesMinimum Ph Range|0.0Memory|Accuracy|0.01 pH; 1.8 F; 1 CAuto Power Off|Maximum Ph Range|14.0Waterproof|YesMinimum Tds|Overall Height|6.8in; 172.7mmSensor Material|Maximum Tds|Accuracy|Electric Conductivity Accuracy|For Use With|Ion Specific Electrode Accuracy|Interface|Overall Width|1.6in; 40.6mmOverall Depth|1.4in; 35.6mmFeatures|Auto Power OffIncludes|(4) 3V CR2032 Button Batteries; 48 in (1.2 m) Neckstrap; Flat Surface pH Electrode; Protective Sensor Cap; Sample Cup with CapStandards|CE CertificateMinimum TDS|Maximum TDS|Probe Type|Flat Surface pH MeterResolution|Accuracy|0.01 pH; 1.8 F; 1 CMinimum Temperature (F)|23 F; -5 CMaximum Temperature (F)|194 F; 90 CPSC Code|UNSPSC Code|41115600