Rotronic Water Activity Probe - HC2-AW-USB

Rotronic Water Activity Probe comes with new and enhanced electronics, which improves the self-heating property compaired to its predecessor. 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.

  • Capabale of AW Quick function for fast measurement results (typically 4-5 minutes)
  • High accuracy ± 0.008 aw, ± 0.8 % RH, ± 0.1 K @ 10…30°C
  • Range of application: 0 to 1 aw (0 to 100 %RH) / -40 to 85 °C
  • USB Interface (HC2A-AW-USB)
  • For use with HygroLab

The HC2A-AW has the Rotronic UART Connector and can be used with the HygroLab. The HC2A-AW-USB Probe has an USB Connector for direct connection to a PC in combination with the HygroSoft Software. The HygroSoft Software with the Water Activity function must be ordered separately. 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.

HC2-AW-USB includes:

  • Water Activity probe
  • 3m cable
  • USB PC-interface

HC2-AW-USB Set includes: 

  • HC2-AW-USB Probe for direct PC interface with HW4-P-QUICK Software
  • Humidity standards (0.5%, 10%, 35%, 80%, 95% RH nominal values)
  • Dual 14 mm / 40 mm sample cup holder (with insert)
  • 14 mm and  40 mm disposable sample cups (100 pcs each)
  • HW4-P-QUICK Software
Part number: HC2-AW-USB
Attribute nameAttribute value


Type :Probe
Accuracy :± 0.008 aw @ 23 ±5 °C
Dimensions OD x H :Ø 68 x 60 mm
Power :Via USB interface