Manufacturer Part Number: EC400|Meter Type|Minimum pH Range|0.0Minimum Conductivity|Probe Type|ConductivityMaximum pH Range|Minimum Salinity|Maximum Conductivity|Minimum Operating Temperature|32 F; 0 CMaximum Salinity|Maximum Operating Temperature|149 F; 65 CDisplay Type|LCDAutomatic Temperature Compensation|YesMinimum Ph Range|0.0Memory|YesAccuracy|1.8 F; 1 CAuto Power Off|YesMaximum Ph Range|Waterproof|YesMinimum Tds|0.0PPMOverall Height|6.8in; 173mmSensor Material|Maximum Tds|Accuracy|Electric Conductivity Accuracy|2%For Use With|Ion Specific Electrode Accuracy|Interface|Overall Width|1.6in; 41mmOverall Depth|1.4in; 36mmFeatures|Auto Power OffIncludes|(4) CR2032 Batteries; 48 in (1.2 m) Neckstrap; Meter & Conductivity Cell; Protective Cap; Sample CupStandards|CE CertificateMinimum TDS|0.0PPMMaximum TDS|99.9 ppmProbe Type|ConductivityResolution|0.1 S, 0.1 ppm (mg/L), 0.1 F?/C?Accuracy|1.8 F; 1 CMinimum Temperature (F)|32 F; 0 CMaximum Temperature (F)|149 F; 65 CPSC Code|UNSPSC Code|