Hanna Instruments special offer - pH meter Hanna Instruments Edge benchtop, 5 calibration points, standard TRIS compatible probe included, PC connectivity, supplied with pH probe HI-11310. This unit can also function as both a conductivity meter and a dissolved oxygen meter if the correct probes are fitted (HI-763100 probe for conductivity and HI-764080 probe for dissolved oxygen). WHILST STOCKS LAST.
Wolf special offer - Dissolved oxygen meter Hanna Instruments Edge measuring range 0 – 45mmg/l, ppm, polargraphic sensor, 1m cable, not supplied with field kit. Can also measure pH and conductivity with the relevant accessories OFFER ENDS 31-05-2018