159001561 : 3-2725-60_ORP Sens Flt 10K DryLc NPT-120100,Flat ORP Electrode 3/4 NPT use with 2750/60 preamplifier

159001296: 3-2537-6C-P0 Paddlewheel Flow Sensor 4-20mA Integral Mount-100168,Flow range 7 – 481 l /min · Low flow capabilities down to 0.1m/s (0.3 ft/s) · Polypropylene body, black PVDF rotor, Titanium pin, FPM O-rings · Installs into pipe sizes DN15 to DN 100 (0.5 to 4 inch) · Built-in user interface for on-site configuration · Low power and high resolution options