Onset HOBO U22-001 Underwater Temperature Data Logger w/Base-U-4 USB Base Station

The HOBO Water Temp Pro v2 is durable with 12-bit resolution. Complete with a precision sensor for +-0.2degC accuracy, this logger measures temperatures between -40degC and 70degC (-40degF to 158degF) in air and up to 50degC (122degF) in water. Its waterproof, streamlined case allows for extended deployment in fresh or salt water. Moreover, the Water Temp Pro v2’s optical USB interface makes it possible to offload data even while the logger is wet or underwater. A solar radiation shield is required to obtain accurate air temperature measurements in sunlight (RS1 Solar Radiation Shield, assembly required; or M-RSA pre-assembled Solar Radiation Shield). This kit includes the U22-001 Data Logger, BASE-U-4 optic base station and Software is Available as a Free Download.