Ideal for extracting, mixing or dispersing. Capacity 80 to 400 ml. The Stomacher ® 400 circulator is indispensable in the laboratory when preparing and blending food samples and other substances for analysis. The sample and diluent are placed into the unit in a sealed plastic bag. The bag is held securely in the unit during treatment. There is practically no risk of contact between the sample and unit. This eliminates any danger of contamination. With regard to hygiene, security and general efficiency the Stomacher ® 400 circulator brings enormous benefits compared to other units, which must be cleaned or even sterilized after use. Processing takes only 30 seconds for most substances. Operating principle Two reciprocating paddles beat against the bag repeatedly and press its contents against the door. This quiet and yet powerful movement distributes the sample quickly so that the extraction of soluble substances and the detection of even deep-seated micro-organisms is easier than when using standard blending processes. The sample can be removed from the bag with a pipette after blending. The Stomacher ® 400 circulator is ready for use again immediately. Special characteristics: Control panel with keyboard and LCD display Count-down display indicates the processing time User-defined speed and time setting - 3 programs can be stored for easier operation - Setting options: 1.) Paddle speed rpm : 200/low, 230/normal, 260/high) 2.) Time (from 1 s to 99 min and 59 s) Durable and robust aluminium casing Lab blenders Stomacher ® 400 circulator Delivery incl. 50 standard homogenizing bags (W 177 x H 305 mm).