pH/ORP/Temp amplified probe MA923D/1 Back Catalog number: MA923D/1 Manufacturer: MILWAUKEE ELECTRONICS Availability: In the manufacturer's stock Price on request - + Recommended MA921B/2 Double junction ORP platinum electrode MA921B/2 Price on request SE520 Conductivity/TDS probe with 1meter cable SE520 Price on request MA923B/3 Redox Epoxy electrode MA923B/3 Price on request