Double junction pH electrode MA911B/2 Back Catalog number: MA911B/2 Manufacturer: MILWAUKEE ELECTRONICS Availability: In the manufacturer's stock Price on request - + Recommended 52002547 pH Sensor InPro3250/120/PT100 Price on request MA921B/1 Double junction orp platinum electrode MA921B/1 Price on request MA812/2 Conductivity/TDS probe with 2meter cable(MC 310). Price on request