The PCE-313 S Air Humidity Meter has been designed for professional use in fields such as the air-conditioning sector. The PCE-313 S Air Humidity Meter determines both relative humidity and ambient temperature. The PCE-313 S Air Humidity Meter can be connected to type K thermo-elements to detect, for instance, the temperature of a wall by means of a surface probe. The internal memory of the PCE-313 S Air Humidity Meter allows you to record humidity and temperature values, with a free adjustment of the measurement rate for real time measurements or data storage thanks to its SD memory card (1 to 16 GB). The PCE-313 S Air Humidity Meter can be previously programmed via the keypad so the device can record values without the need of being present during the process. For long term records, we recommend you to power the PCE-313 S Air humidity meter by means of a power adapter (optional). Recorded values can be transferred to a PC for further analysis (.xls file in the SD card). This property allows you to check measured values or design a graphic by means of the Excel calculation program.