pH/EC/TDS/Temp. amplified probe, 1m Back Catalog number: MA851D/1 Manufacturer: MILWAUKEE ELECTRONICS Availability: In the manufacturer's stock Price on request - + Recommended MA841 Spare membrane for MW600 (5 pcs). Price on request MA920B/1 Combined pH electrode MA920B/1 Price on request MA919B/1 Glass pH electrode, refillable, BNC, 1m Price on request