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Handheld instrument with a fixed probe, able to perform spot measurements and logging of relative humidity, temperature & psychrometric parameters
The HygroPalm HP31 is a handheld instrument with a fix probe, it is able to perform spot measurements and logging of relative humidity, temperature and psychrometric parameters.
• Relative humidity, temperature and psychrometric calculations
• Graphical display for graphs and up to 4 values
• Freely settable visual and audible alarms on every value
• 64’000 data points memory for time programmable interval logging
• Long lasting battery (up to 48 h when logging every 30 s)
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 & Transport Conditions | -10…45°C / 10…90%RH |
Dimensions | 160 x 63 x 30 mm |
Weight | 185 g |
• Mobile inspection and random tests in HVAC, the pharmaceutical industry and building management systems
Rotronic HygroPalm HP31 Handheld Indicator - Data Sheet 411 KB |
Rotronic HygroPalm HP31 Handheld Indicator - Manual 2.2 MB |