RHTemp80 L is a temperature and humidity data logger from -40°C to 80°C managed with Windows software and USB interface (DiskInterface HS, Multibay). …
RHTemp80 L, RHTemp125 L battery is easily and quickly user replaceable too. New battery kits can be purchased (each kit includes a new battery, a news o-ring that must always be replaced whenever logger is opened and substitution instructions) or the service for battery replacement at Tecnosoft, usually along with recalibration.
Note: if used below -30°C, battery life will be highly reduced.