HygroPalm - HP32 - versatile handheld instrument for humidity and temperature

The HygroPalm HP32 is a versatile handheld instrument compatible with all HC2A and HC2 ROTRONIC probes, 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 48h when logging every 30s)


  • Field inspection and spot checks in HVAC
  • Building Management Systems
  • Agriculture and Food industry
  • Pharmaceutical Industry

Compatible with

  • All HC2 and HC2A probes
  • HW4 Software

Package content

  • HygroPalm HP32 (without probe)
  • Soft Case
  • Micro-USB Cable (computer connection and battery charging)
  • HW4 LITE license key (3 instruments connected max)

Device type Handheld device
Probes All HC2A and HC2 probes
Parameters Relative humidity and temperature
Range of application -10…60°C / 0…100%RH (non-cond.)
Accuracy Depends on the probe
Functions Spot measurements
Time programmable interval logging
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
Housing ABS, TPR
IP protection rating IP65
Storage and transport conditions -10…45 °C / 10…90 %rF
Dimensions 160 x 63 x 30 mm
Weight 185 g

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