Ordering Information HI9033 is supplied with HI76302W conductivity probe, calibration screwdriver, battery, instruction manual and rugged carrying case. The portable HI9033 EC meter is suitable for use in a variety of applications. It offers four measurement ranges from 0.0 S/cm to 199.9 mS/cm with a 1% FS accuracy. The HI76302W four-ring conductivity probe that is supplied with the meter allows for a wide range of measurements with a single sensor. The four ring technology also eliminates the polarization effect that is common with standard two pole versions. The probe also features a built-in temperature sensor to allow for Automatic Temperature Compensation from 0 to 50C (32 to 122F).