HI2215 pH / ORP / °C Meter / 5-Point Calibration; Resolution 0.001 + PC Interface - Hanna Instruments (Thailand)
913 pH Meter, laboratory version | Metrohm
Apera Instruments PH800 Laboratory Benchtop pH Meter Kit (Equipped with 201T-F pH/temp. Combination Electrode; GLP Data Management, USB Output) : Amazon.co.uk: Business, Industry & Science
PH-Meter / Labor - 50 VioLab - XS Instruments - Tischgerät / mit Thermometer / mit Display-Anzeige des Potentials zur Oxydationsreduzierung
765 Laboratory pH Meter - Knick
behr Labor-Technik™ behrotest™ pH Electrode with NS ground joint WidthMetric:0.08m pH Meter Accessories | Fisher Scientific
Mettler Toledo MP220 pH Meter (w/30 Day Parts & Labor Warranty) | eBay