The new station probe HC2-AW-USB offers new possibilities. The USB probe can be directly connected to a PC running HW4-P-QUICK-Vx software enabling water activity measurement capability. The HC2-AW-USB is the perfect device for a multi station application, as multiple probes can be attached to a single PC.

USB station probes
USB probes can be ordered as single probe or as a set including the HW4 software with Aw Quick function. The set offers all possibilities to measure water activity.

• Complete set of probe and HW4 including Aw Quick function available
• Measurement range: 0.00…1.00 Aw (0…100 %RH), -40…85 °C (-40..185 °F)
• USB interface for direct connection to a PC (HC2-AW-USB)

Probe type Measurement probe and software HW4-P-QUICK-Vx
Dimensions Ø 68 x 60 mm
Weight 600 g
For use with Software HW4
Range of application -40…85 °C (-40…185 °F) / 0…100 %RH
Accuracy at 23 ±5 °C ± 0.008 aw / 0.8 %rh / ±0.1 K
Power supply Via USB interface
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 type Wire mesh filter with 20…25 μm pore size
Response time t 63 <20 sec.
Psychrometric calculations Dew or frost point
Connection Via USB to PC, 3 m cable
Start-up time 1,5 s
Measurement interval 1 s
Communication interfaces USB
Material Stainless steel, aluminum
IP protection rating IP20
FDA / GAMP FDA 21 CFR part 11 / GAMP5
CE / EMC conform EMC 2008/108/EG