VanEssen Cera-Diver Light Meters the Kestrel 4500 is the

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

automatic and manual gain control

and the sampler remains actuated when the liquid level recedes

selectable EC/TDS conversion factor

VanEssen Cera-Diver Light Meters the Kestrel 4500 is 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,