The Hygropalm HP-GTS is a handheld humidity and temperature meter that measures the equilibrium relative humidity and temperature of stacks of paper, cardboard, and textiles. The screen allows for a graphical display of measured values. Additionally, the user can program and adjust visual and audio alarms. The device contains a 64,000 data point memory with a programmable logging interval, which can also be uploaded to a PC via the Micro-USB port.
The HP-GTS allows for logging intervals between 1 second to 24 hours, with a display refresh rate of 1 second. The integrated, 3.7 V, 1000 mAh, rechargeable lithium polymer battery, with a life of either 48 hours with the screen off (logging every 30 seconds) or 10 hours with the screen always on. The handheld device allows for spot measurements with the aluminum probe. The Hygropalm HP-GTS is compatible with HW4 V software.
