Laboratory purification plants to determine the biodegradability according to DIN 38412 Type KLD 4N/SR

Laboratory purification plants to determine the biodegradability, according to DIN 38412
e.g. for the Coupled Units Test in acc. with OECD 303 A, complete.
optional:
-Dentrification step with pump and stirrers
-Oxygen control, consisting of:
Oxygen measuring unit for preliminary sedimentation with a voltage output for switching the air supply on and off behrotest® GWS 200 limit switch. Operating capacity 0 to 200%, corresponds to 0 to 19.9 mg/l Vessels made of borosilicate glass 3.3
Other laboratory purification plants on request.

Type KLD 4N/SR
Description Like KLD 4/SR, with continual sludge recirculation