` HygroLab C1 Water Activity Indicator - Alpha Controls & Instrumentation Inc.


HygroLab C1 Water Activity Indicator

Laboratory grade indicator for measuring the water activity of foods, pharmaceuticals and cosmetics

This product is obsolete and has been replaced by:
HygroLab Laboratory Analyzer

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Rotronic provides a high-end laboratory device – the HygroLab C1 – for water activity measurements with up to four probes. Connect station probes and insertion probes for measuring water activity in cheese, meat, tobacco, building materials, animal feed, pharmaceuticals products and much more.

Validated software
Easy-to-use and intuitive, the laboratory grade indicator can be used by anyone. HW4 running on a PC provides remote monitoring with charting and data recording functions.

The Rotronic HygroLab C1 is available as the indicator only or in a kit which includes:

• Bench top display device (including power adapter AC -> DC 12V & HW4 software with Aw-Quick): HygroLab C1
• Measurement probe: HC2-AW
• USB-Cable for PC connection: AC0002
• Sample holder: WP-40
• Disposable sample container (100 pc.): PS-14
• Disposable sample container (100 pc.): PS-40
• Humidity standards 0.5 %RH: EA00-SCS
• Humidity standards 10 %RH: EA10-SCS
• Humidity standards 35 %RH: EA35-SCS
• Humidity standards 50 %RH: EA50-SCS
• Humidity standards 80 %RH: EA80-SCS


• 4 input channels for HC2 station probes or HC2 insertion probes can be connected for measurement of water activity, relative humidity and temperature
• Aw Quick function for fast measurement results (typically 4-5 minutes)
• Audible alarm to indicate completed measurement
• Saves up to 2,000 data records with %RH, °C/°F, date and time

Range of application -1060 C (14140 F) / 01 Aw / 0100 %RH
Power supply / Power consumption 816 VDC (+ AC adapter)
Current consumption Max. 120 mA (12 VDC, backlight ON, 4 probes connected, Ethernet)
Calculations All psychrometric calculations available or user defined calculations
Probe connections 4 x HC2 station probe or HC2 insertion probe
Start-up time 3 s
Measurement interval 1 s
Parameters shown Aw, % RH, C, F
LCD 3-line alphanumeric with trend indicators
Clock Real time clock provides a time stamp for every measurement
Memory size 4 x 500 Aw values (2,000 Aw values)
HW4 compatible V3.1 and higher
Probe adjustment Single or multiple point for relative humidity & temperature.
One or two point temperature
Aw Quick function Integrated and via HW4 software HW4-P-QUICK-Vx (in shipment included)
Communication interfaces Ethernet / USB
Material Aluminum, ABS-757
IP protection rating IP21
FDA / GAMP FDA 21 CFR part 11 / GAMP5
CE / EMC conform EMC 2008/108/EG
Dimensions 225 x 170 x 70 mm
Weight 1100 g

For water activity measurements in bulk materials such as flour, grain, spices, and for solid and pasty products such as meat, sausage as well as oils, fats
Normally ships in 1-2 Weeks
$2,385.00 CAD
Ensure the optimum sample volume and prevent the sample holders from coming into direct contact with the product being tested
Normally ships in 1-2 Weeks
Starting At
$195.00 CAD
Stainless steel sample holders were developed specifically for the water activity probes HC2-AW(-USB)
Normally ships in 1-2 Weeks
Starting At
$445.00 CAD
Ensures a strong mechanical seal and is compatible with the WP-40 and WP-40TH sample holders
Normally ships in 1-2 Weeks
$475.00 CAD
HW4 professional software with water activity function
Normally ships in 1-2 Weeks
$3,155.00 CAD
Supplied in packs of 5 hermetically sealed ampoules of the same humidity level
Normally ships in 1-2 Weeks
Starting At
$210.00 CAD