Rotronic HygroPalm HP22

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The HygroPalm 22 is the latest development in handheld measuring instruments for humidity, temperature and dew point.


The HygroPalm 22 is the latest development in handheld measuring instruments for humidity, temperature and dew point.

The instrument is based on AirChip3000 technology, allowing an unprecedented accuracy rate. Together with the latest sensor technologies measured this provides a cutting-edge, high-precision measurement instrument that measure humidity and temperature to a whole new level of performance tilt.


Probe type Standard probe
Dimensions 268 x 72 x 30 mm
Operating range -10…60 °C / 0…100 %rh
Accuracy at 23 ±5 °C Probe dependent
Measuring range with interchangeable probe 0…100 %rh and -50…200 °C
Power supply / Power consumption 9 V battery, power supply
4 mA consumption without back light
Long-term stability <1 %rh / year
Humidity sensor Probe dependent
Temperature sensor Probe dependent
Response time t 63 Probe dependent
Allowed wind speed 20 m/s, with filter
Psychrometric calculations All psychrometric values
Number of probe inputs 1
Calibration / adjustment multipoint adjustment via keypad
Initialisation time Typically <2 sec.
Measurement interval typically 1 second (without calculations)
Display type Graphic display. Display freely configurable.
Backlight with Backlight
Battery indicator Low Batt. Display
Exploitation software ROTRONIC HW4
Menu guidance Yes
Trend indicator Yes, for models with display
Statistical functions Min / Max, Average
Probe adjustment by software Yes, with service cable
Probe adjustment by keypad 1 point or multi-point temperature and humidity adjustment
Event logging System related events (FDA, GAMP)
Firmware update With internet and HW4 software
User information from Software HW4 (devicemanager)
Data processing via HW4 Yes
Device Protection by password Yes
Sensor diagnostics (drift, state) Programmable; factory default – Off
Audit Trail/ electronic records FDA 21 CFR Part 11 and GAMP compatible
Choice of Battery / rechargeable battery Yes
Service Interface Mini USB (UART)
Service Information Calibration interval
Reverse voltage protection Mechanically in the connector
Max. cable length Up to 5 m with passive cable. Up to 100 m with active cable.
Max. probe cable length 10 m
Enclosure material ABS
IP protection rating IP40
Fire protection class Complies UL94-HB
FDA/GAMP compatibility FDA 21 CFR Part 11 and GAMP compatible
Weight 210.0000


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