CALL: A.WIHARTA 081294124885 085778084789 087784022201   Info Produk The Hanna Instruments HI 2214 Data Logging pH Benchtop Meter with 5-point calibration and 7 buffers is a pH and ORP benchtop meter offering five point calibration. A relative mV feature is also provided. The Hanna Instruments HI2214-01 can take measurements using ORP electrodes ( pH channel input) due to their capability to measure mV with a resolution up to 0.1 mV. The Hanna HI 2214 provides GLP capabilities to allow the storage and retrieval of all data regarding pH and relative mV calibration.