The HYDAC Digital Conductivity/Temperature/pH Tester has a digital liquid-crystal type display (3-1/2 digit). Conductivity has 4 ranges, measured in micromhos. The temperature ranges from 0 to 160 Fahrenheit. The pH meter range is from 0 to 14. The instruments accuracy for Conductivity is 2% full scale. Temperature accuracy: 2 Fahrenheit. pH accuracy: .01 pH units at 77 Fahrenheit. Includes: Instrument, case, manual and calibration standard. Please contact On-Site Instruments using form provided for details.