Double junction pH electrode MA911B/2 Back Catalog number: MA911B/2 Manufacturer: MILWAUKEE ELECTRONICS Availability: In the manufacturer's stock Price on request - + Recommended MA812/2 Conductivity/TDS probe with 2meter cable(MC 310). Price on request MA920B/1 Combined pH electrode MA920B/1 Price on request MA918B/1 Comb glass pH electrode 3 dia, DJ,refill, BNC, 1m Price on request