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 MA921B/2 Double junction ORP platinum electrode MA921B/2 Price on request MA811/2 Conductivity/TDS probe with 2meter cable (MC410). Price on request MA920B/1 Combined pH electrode MA920B/1 Price on request