YSI Pro30 Conductivity InstrumentSpecificationsPro30 System Specifications ( instrument w/ cable and sensor )Conductivity ( mS, µS )Sensor TypeFour-electrode cellRange 0 to 200 mS/cm ( auto range )Accuracy 1- or 4-m cable, ±1.0 % of the reading or 1.0 μS/cm, whichever is greater;10-, 20- or 30-m cable, ±2.0 % of the reading or 1.0 μS/cm, whichever is greaterResolution0.0001 to 0.1 mS/cm ( range dependent )Salinity ( ppt, PSU )RangeCalculated - 0 to 70 pptAccuracy±1.0% of the reading or 0.1 ppt, whichever is greaterResolution0.1 pptTemperatureRange-5 to 55 °C ( 23 °C to 131 °C ) ( °C, D15 °F )Accuracy±0.2 °CResolution0.1 °CTotal Dissolved Solids ( TDS ) ( kg/L, g/L )RangeCalculated - 0 to 100 g/L TDS; constant range 0.30 to 1.00 ( 0.65 default )AccuracyDependent on temp, conductivity and TDS constant; calculated from those parametersResolution0.001, 0.01, 0.1 g/LPro30 Instrument SpecificationsConductivity ±0.5 % of reading or 1.0 uS/cm, whichever greaterSize 8.3 cm width x 21.6 cm length x 5.7 cm depth ( 3.25 in. x 8.5 in. x 2.25 in. )Weight with batteries475 grams ( 1.05 lbs.)Power2 alkaline C-cells providing 400 hours of battery life; low battery indicator on Pro30Cables1- 4- 10- 20- and 30-m lengths ( 3.28, 13.1, 32.8, 65.6 ft. )Warranty3-year instrument; 2-year cable and sensorTDS Constant RangeAdjustable; 0.3-1.0Conductivity Reference TempAdjustable; range 15 °C to 25 °CSpecific Conductance Temp CompAdjustable; 0 to 4 %Data Memory50 data setsLanguagesEnglish, Spanish, German, FrenchCertificationsRoHS, CE, WEEE, IP-67 waterproof, 1-meter drop testPro30 Ordering Information ( order items separately ) Full range of accessories available at YSI.com/pro3060530Pro30 Handheld instrument60530-X1- 4- 10- 20- or 30-m cable with Cond/temp sensors ( cable management kit included on all except 1-meter )603075Large, Soft-sided carrying case603074Hard-sided carrying case603162Small, Soft-sided carrying case ( accommodates up to 10-meter cables )603069Belt clip to attach instrument to belt603070Shoulder strap38213Conductivity cell cleaning brush63517Ultra clamp ( attach to instrument to secure it to a desk, boat, etc )63507Small tripod ( attach to instrument to sit on any flat surface )626444Lab Dock ( instrument dock )603062Cable management kit ( included with 4- 10- 20- and 30-m cables )605978Cable weight, 4.9 oz., attach to stainless steel tip31611,000 µs/cm calibrator; quart316310,000 µs/cm calibrator; quart3165100,000 µs/cm calibrator; quart31671,000 µs/cm calibrator; 8 each pints316810,000 µs/cm calibrator; 8 each pints316950,000 µs/cm calibrator; 8 each pintsConductivity Meter