Hytherograph LB-532 is a precise recorder of relative humidity and air temperature (with resolution of 0,01°C). It is powered by a replaceable long-life lithium battery, which enables uninterrupted operation of the device for many years. The data collected in the device’s memory after connecting it to the computer via USB, are presented by the Logger program in the form of charts and documented in pdf reports. The current measurement results as well as the condition in which the device is located are presented on a clear LCD display. More information about the hytherograph LB-523 can be found on the manufacturer’s website LAB-EL.