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 MA916B/1 Combined glass pH electrode, refill, BNC, 1m Price on request MA831R Stainless steel temperature probe Price on request MA9305 Pack of 100 x 1.4V batteries. Price on request