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.