LXV415.99.10001 LANGE NITRATAX eco sc process probe for the determination of the nitrate contentwithout sampling directly in the water, waste water or activated sludge using a technique without reagents. Comprising a self-cleaning immersed probe (layer thickness 1mm) made from stainless steel (V4A) with 8m cable. Operation and the analysis of the probe signals is only possible in conjunction with the controller SC100 or SC1000.