Description
The water activity probe HC2-AW-USB can be connected to a PC running HW4-P-QUICK-Vx software, allowing real-time water activity measurements. The HC2-AW-USB is the perfect device for a multi station application, as up to 64 measuring heads possible with powered USB hubs.
The set HC2-AW-USB-SW-1 contains the HW4 software with AW Quick function, thereby opening up all the possibilities of water activity measurement. It can be ex-tended into a multi-station application with up to 64 measurement heads used with a powered USB hub.
Features

- Measures humidity and temperature (Aw or %RH and °C/°F)
- Calculates absolute humidity
- Complete set of probe and HW4 including Aw Quick function available
- Powered directly from USB interface
- Range of application 0…1 Aw (0 – 100%RH) / -40 to +85°C
- USB interface for direct connection to a PC
- Up to 64 probes can be connected using a powered USB hub.
- Clamp Sealing Mechanism available to prevent external influences.
Specifications
Probe | HC2-AW-USB |
Humidity Sensor | Hygromer WA-1/PT100, ‘ DIN Class B |
Connection | Via USB to PC, 3m cable |
Accuracy @ 23°C | ±0.008 Aw / ±0.8%RH / ±0.1K |
Temperature Dependence | 0.001K/K, 0.0002 Aw/K |
Calculations | Dew or frost point |
Long Term Stability | <1%RH/year |
Power Supply | via USB interface |
Range of Application | -40 to +85°C / 0-100%RH |
Filter Type | Wire mesh filter with 20-25µm pore size |
Response time t64 | <20S |
Measurement Interval | 1 second |
Start-up Time | 1.5 seconds |
IP Protection | IP20 |
Dimensions/Weight | Ø 68 x 60mm / 600g |
Material | Stainless Steel. Aluminium |