Double junction pH electrode MA911B/2 Back Catalog number: MA911B/2 Manufacturer: MILWAUKEE ELECTRONICS Availability: In the manufacturer's stock Price on request - + Recommended MA918B/1 Comb glass pH electrode 3 dia, DJ,refill, BNC, 1m Price on request MA812/2 Conductivity/TDS probe with 2meter cable(MC 310). Price on request MI56P pH/Temp probe for pH55 and pH56 Price on request