Extension set for respirometric aerobic OxiTop®-IDS measurement systems (also for BOD self check measurements), stirring platform IS 6 for 6 measuring units, universal power supply 100 to 240 VAC, 50/60 Hz; accessories: including 6 sample bottles, 6 OxiTop®-IDS measuring heads, 6 rubber sleeves and 6 magnetic stirring bars. Without NTH 600, NHP 600 and overflow measuring flasks.