AW Probe – Rotronic HC2-AW Series

Features

  • Measurement range: 0…1 aw (0…100 %rh), -40…85 °C
  • On/Off switch
  • UART interface for direct connection to a PC
  • Power supply via UART interface
  • Adjusted at 23 °C and 10, 35, 80 %rh
Enquiry

The aw measurement head was developed for use in combination with the HygroLab C1 and the HP23-A-AW handheld analyser. This digital probe enables quick and easy measurement of water activity. It can be calibrated via the HygroLabC1, HP23-A-AW or via the HW4 PC software. The sample holder size is reduced to a minimum, thereby making it possible for humidity equilibrium to be reached quickly for all products being tested, while the metal housing ensures high temperature stability. All critical surfaces are made of chrome steel for minimal soiling.

Applications
For water activity measurements in bulk materials such as flour, grain, spices, etc. For solid and pasty products such as meat, sausage as well as oils, fats, etc.

Specification

Accuracy at 23 ±5 °C ± 0.008 aw / 0.8 %rh / ±0.1 K
Probe type Measurement probe with UART interface
For use with HygroLab C1, HP23-AW-A
Range of application -40…85 °C (-40…185 °F) / 0…100 %RH
Power supply Via display instruments
Long-term stability <1 %rh / year
Humidity sensor HYGROMER® WA-1 / Pt-100, 1/3 DIN Class B
Temperature dependence 0.001 K/K, 0.0002 aw/K
Filter cartridge Wire mesh filter with 20…25 μm pore size
Response time t 63 <20 sec.
Psychrometric calculations Dew or frost point
Measurement interval 1 s
Start-up time 1,5 s
Aw-quick mode Yes
Communication interfaces UART
IP protection rating IP20
Material Stainless steel, aluminum
FDA / GAMP FDA 21 CFR part 11 / GAMP5
CE / EMC conform EMC 2008/108/EG
Dimensions ø 68 x 60 mm

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