Click here to enlarge imageKeller's DCX-ECO utilizes accumulator cell technology to provide the only rechargeable autonomous liquid level logger available, an environmental solution to disposable data loggers. The power cell is charged via USB connection during data retrieval. The unit also features a small, 18mm diameter stainless steel housing, making it ideal for an array of long and short term liquid level monitoring applications. And it's the only low cost level logger available in absolute, sealed and vented versions that can be ranged to your specific level requirement. Like other Keller loggers, it stores up to 57,000 user-specified data points. Keller America Inc., Newport News, VA, 877-253-5537, www.kelleramerica.com
Cooling water biocide
BASF announced Aseptrol® CW technology, a new delivery form of the BASF Cooling Water Biocide. Once registered with the EPA this summer, the technology will be a reliable, easy-to-use delivery system that regulates precise feed of chlorine dioxide into small-to-medium size cooling water systems, managing all microbial species and preventing biofilm formation. The system consists of a low-maintenance feeder and pre-packaged tablets that deliver ClO2 when and where you need it. BASF Corp., Florham Park, NJ, 973-245-6425, www.basf.com/usa