Conductivity Meter Electric Conductivity Range 0.00-19.99 mS/cm Waterproof IP67 Automatic Temperature Compensation No Operating Temp Range (F) 32 Degrees to 104 Degrees Operating Temp Range (C) 10 Degrees to 40 Degrees Display 1 Line LCD Auto Power Off Yes Power Source (4) AG13 Alkaline Batteries Manufacturers Warranty Length 1 yr Number of Tests 0