The Rotronic HygroPalm HP31 is a handheld meter with a fix Rotronic probe that is capable of performing spot measurements and logging of relative humidity, temperature and psychrometric parameters.
Specifications
Parameters
Relative humidity and temperature
Probes
Fixed probe
Probe application range
-10…60 °C | 0…100 %RH
Device type
Handheld device (%RH / °C)
Functions
Spot measurements Time programmable interval logging MIN / MAX / AVG
Range of application
-10…60°C / 0…100%RH (non-cond.)
Battery
Lithium Polymer, 3,7V, 1000 mAh (integrated) 48h – Logging every 30s, screen off 10h – Screen always on
Psychrometric calculations
Dew / Frost point (Dp /Fp) Wet bulb temperature (Tw) Enthalpy (H) Vapor concentration (Dv) Specific humidity (Q) Mixing ratio by weight (R) Vapor pressure (E) Saturation vapor pressure (Ew) Saturation vapor density (SVD)
Calculation method
WMO Standard
Display refresh rate
1 s (typical)
Logging interval
1 s…24 h
Storage capacity
8x8000 data points
Communication interfaces
Micro-USB port, HW4 compatible > V3.9
Housing
ABS, TPR
IP protection rating
IP65
Storage and transport conditions
-10…45°C / 10…90%RH
Dimensions
160 x 63 x 30 mm
Weight
185 g
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