Professional pH/ISE pocket meter for pH, mV and concentration measurements – suitable for all areas, where accuracy and high quality results are a priority. Features: • Robust and waterproof (IP 67) • ISE 2 to 7-point calibration (also non-linear) • GLP-supporting documentation • The pH/ION 3310 effortlessly delivers precise measuring results. The 1 to 5-point calibration for pH and the 2 to 7-point ISE calibration (also non-linear) as well as a GLP-supporting documentation meets all the requirements of modern metrology. • The USB interface is used for data transfer, but can also be used as a power supply in the lab. Specifications: • pH: -2.0 ... 20.0; ... 20.00; -2.000 ... +19.999 • mV: -1200.0 ... +1200.0 mV; -2500 ... +2500 mV • Temperature: -5 ... +105 °C/0.1 °C • Ion concentration: 0.000 ... 999.999 (mg/l, µmol/l, mmol/l, mg/kg, ppm, %)