The HP-GTS from Rotronic is a tried-and-tested instrument for measurement of equilibrium relative humidity and temperature in stacks of paper and cardboard.
Humidity measurements in stacks of paper, cardboard and textiles for paper and textile technicians and printers
• Range of application of instrument and probe: -10…60 °C / 0…100 %rh (non-condensing)
• Accuracy at 23°C: ±2 %RH, ±0.3 °K
• HW4 software > V3.9 (free download at rotronic.com)
• HygroPalm HP-GTS
• Soft case
• Micro-USB cable (computer connection and battery charging)