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Rotronic
Rotronic HC2A-AW Water Activity Probe
Quote on request
No online payment · add lines to RFQ BOM
aw probe ±0.008 aw. HygroLab or USB/HygroSoft variants. RFQ + engineer selection help.
Download datasheet PDF
RFQ cart holds BOM lines only. Submit for engineering quote.
Key parameters
Accuracy
±0.008 aw / 0.8 %rh / ±0.1 K @ 23 ±5 °C
Supply
3.3…5 V
Sensor
HYGROMER WA-1; AirChip3000 electronics
Operating Conditions
−40…85 °C
Long Term Stability
<1 %rh/year (normal conditions)
Connector Variants
HC2A-AW: HC2 connector, 1 m cable; HC2A-AW-USB: USB-A, 3 m cable
Fits lab water-activity measurement where you need a Rotronic HC2A-AW probe (±0.008 aw) for HygroLab or USB/HygroSoft variants.
Key advantages
- aw probe — sensor HYGROMER WA-1; AirChip3000 electronics
- Accuracy — ±0.008 aw / 0.8 %rh / ±0.1 K @ 23 ±5 °C
- Operating — −40…85 °C
- Variants — HC2A-AW: HC2 connector, 1 m cable; HC2A-AW-USB: USB-A, 3 m cable
- IP65 head — IP65; Ø68 × 65 mm; 540 g; aluminum / stainless steel / PC
Typical applications
- Food, pharma, and lab aw checks with HygroLab (HC2A-AW).
- PC-based aw via HC2A-AW-USB + HygroSoft (not HygroLab).
- Stable long-term humidity measurement (<1 %rh/year normal conditions).
Selection guide
- Connector — HC2 (HygroLab) vs USB-A (HygroSoft PC).
- Accuracy — ±0.008 aw / 0.8 %rh / ±0.1 K @ 23 ±5 °C
- Supply — 3.3…5 V
- UI — LED light ring + ON/OFF touch button; no display — no display on probe.
Common mistakes
- Buying HC2A-AW-USB expecting HygroLab compatibility — OEM says it is not.
- Expecting a display on the probe — LED ring + touch only.
- Ignoring Aw Quick dependence on the connected instrument.
When to RFQ / what to tell us
- HC2A-AW vs HC2A-AW-USB; host instrument (HygroLab / PC).
- Accessories; quantity; ship-to.
Request a Quote · Get selection help
Specs
| Spec | Value |
|---|---|
| SKU | 103958 |
| Brand | Rotronic |
| Model | HC2A-AW |
| Product type | Water Activity Probe |
| Sensor | HYGROMER WA-1; AirChip3000 electronics |
| Accuracy | ±0.008 aw / 0.8 %rh / ±0.1 K @ 23 ±5 °C |
| Operating conditions | −40…85 °C |
| Long-term stability | <1 %rh/year (normal conditions) |
| Supply | 3.3…5 V |
| Connector variants | HC2A-AW: HC2 connector, 1 m cable; HC2A-AW-USB: USB-A, 3 m cable |
| Compatibility | HC2A-AW ↔ HygroLab; HC2A-AW-USB ↔ HygroSoft PC (not HygroLab) |
| UI | LED light ring + ON/OFF touch button; no display |
| Dimensions / weight | Ø68 × 65 mm; 540 g; aluminum / stainless steel / PC |
| Protection | IP65 |
| Aw Quick | Depends on connected instrument |
Documents
FAQ
Q: Accuracy? A: ±0.008 aw / 0.8 %rh / ±0.1 K @ 23 ±5 °C.
Q: HygroLab compatible? A: HC2A-AW yes; HC2A-AW-USB is for HygroSoft PC, not HygroLab.
Q: What should I send for a quote? A: Variant, host, quantity.
Links
| Parameter | Value |
|---|---|
| Accuracy | ±0.008 aw / 0.8 %rh / ±0.1 K @ 23 ±5 °C |
| Supply | 3.3…5 V |
| Sensor | HYGROMER WA-1; AirChip3000 electronics |
| Operating Conditions | −40…85 °C |
| Long Term Stability | <1 %rh/year (normal conditions) |
| Connector Variants | HC2A-AW: HC2 connector, 1 m cable; HC2A-AW-USB: USB-A, 3 m cable |
| Compatibility | HC2A-AW ↔ HygroLab; HC2A-AW-USB ↔ HygroSoft PC (not HygroLab) |
| Ui | LED light ring + ON/OFF touch button; no display |
| Dimensions Weight | Ø68 × 65 mm; 540 g; aluminum / stainless steel / PC |
| Protection | IP65 |
| Aw Quick | Depends on connected instrument |
| Document | Process Sensing / Rotronic 59111E (2023-06) |