Water Activity Measurement - Moisture Meter - Measurement and Monitoring of aw Value

HC2-AW - AW probe

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.

• 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

More Information
Probe type Measurement probe with UART interface
Humidity sensor HYGROMER® WA-1 / Pt-100, 1/3 DIN Class B
Long-term stability <1 %rh / year
Accuracy at 23 ±5 °C ± 0.008 aw / 0.8 %rh / ±0.1 K
Response time t 63 <20 sec.
Dimensions ø 68 x 60 mm
Psychrometric calculations Dew or frost point
Storage Conditions -40…85 °C
IP protection rating IP20
Connector Standard Rotronic 7-pin connector
AwQuick Mode Yes
Measurement interval 1 s
Communication interfaces UART
Filter cartridge Wire mesh filter with 20…25 μm pore size
Start-up time 1,5 s
CE / EMC conform EMC 2008/108/EG
FDA / GAMP FDA 21 CFR part 11 / GAMP5
Material Stainless steel, aluminum
Power supply Via display instruments
Temperature dependence 0.001 K/K, 0.0002 aw/K
For use with HygroLab C1, HP23-AW-A
T63 90 s

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