VanEssen Cera-Diver Light Meters regulators and those from the

regulators and those from the health community by providing truly accurate

When purging is complete

weatherproof DUSTTRAK™ Environmental Enclosure 8535 protects the DUSTTRAK II and DRX Aerosol Monitor Models 8530 and 8533

the Kestrel 4500 is the most feature-rich pocket weather meter in the entire Kestrel catalog

even easier to use

VanEssen Cera-Diver Light Meters regulators and those from theMonitoring groundwater under potentially corrosive conditions, such as brackish water and seawater, requires a robust and durable datalogger. The ceramic shelled Cera Diver is designed specifically for such environments. This highly reliable and compact Diver measures groundwater levels with a typical accuracy of 0. 05% full scale. In addition to its rugged casing, the Cera Divers memory capacity can store up to 48,000 measurements (date time,