Kritech & Co PGmbH

Mod. HP21

The HP21 is perfect for spot checking HVAC installations, manufacturing or storage areas
and any ambient air measurement within the temperature range of -10 to 60°C.

Main Features :

• Range of application -10…60°C / 0…100 %rh
• Accuracy at 23°C ±5 K :  0,2 K / 1% rh
• Service interface (UART)
• Calculation of dew and frost point

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Mod. HP22

The HP22 is a versatile hand-held indicator for relative humidity, temperature and a variety
of calculated parameters such as dew or frost point based on the measurements of a
HygroClip2 plug-in probe.

Main Features :

• Combinable with all ROTRONIC HC2 probes
• Range of application: -10…60 °C / 0…100 %rh
• All psychrometric calculations
• Service interface (UART)

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Mod. HP23

The HP23 is a multi-function hand-held indicator for relative humidity, temperature and a variety
of calculated parameters such as dew or frost point based on the measurements of a
HygroClip2 plug-in probe.
Any probe input can also be configured by the user to accept a third party analog probe.

Main Features :

• Data recording function up to 10'000 data records (with date, time, batch no.)
• Two probe connections for all ROTRONIC HC2 probes or analog third-party probes
• All psychrometric calculations
• Integrated clock (real time clock) for timestamp for every measured value
• Battery charging function
• Interface (USB)