HYGROPALM HP-GTS - Measuring device for paper industry

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

Compatible with
• HW4 software > V3.9 (free download at

Delivery package
• HygroPalm HP-GTS
• Soft case
• Micro-USB cable (computer connection and battery charging)

Download White Paper

White Paper "Paper"

The white paper contains detailed theory about humidity in the paper production and printing industries. It also provides information on where and why it is important to measure and regulate humidity.

Continue here to download the 16-page white paper for free!


Accuracy at 23 ±5 °C ±2.0 %rh / ±0.3 K
Dimensions 408 x 63 x 30 mm
Functions Spot measurements Time programmable interval logging MIN / MAX / AVG
Power consumption Integrated battery: • Rechargeable lithium polymer battery • 3.7 V • 1000 mAh • 48 h with screen off, logging every 30 s • 10 h with screen always on
Humidity sensor Hygromer IN-1
Display refresh rate 1 s (typical)
Memory size 8 x 8000 data points
Logging interval 1 s…24 h
PC interfaces Micro-USB port, HW4 compatible V
Housing ABS, TPR
IP protection rating IP65
Probe material Aluminium
Dimensions 420 x 70 x 40 mm
Weight 225g

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+1 905 754-5164

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