The VOM sensor will send a continious signal to the PLC correlating with the COD/BOD.
Placed before the discharge valve the sensor will divert the product back in the COD/BOD tank in case of high load.
Different sensor designs and COD ranges are available
Sensor: with display, remote display, retractable or with just a tri-clamp
COD range: 0-30000COD or 0-100000COD