Dosing Tip where the tip is immersed in the sample Back Catalog number: PC-1000-654 Availability: In the manufacturer's stock Price on request - + Recommended MA905B/3 Combination pH electrode MA905B/3 Price on request MA916B/1 Combined glass pH electrode, refill, BNC, 1m Price on request MA921B/2 Double junction ORP platinum electrode MA921B/2 Price on request