Water Activity Tests On A Budget

The LabStart-aw is a budget water activity meter for users testing this for the first time. It's simple to operate and provides basic measurement functions, but doesn't sacrifice quality. 

Built-in automatic equilibrium detection and a well-proven resistive-electrolytic sensor offer high accuracy. This instrument will work for those with modest requirements on accuracy and reproducability.

Product Specifications:

 

Parameter

 

Water Activity

Temperature

Measurement Principle

Resistive electrolytic Surface-IR and NTC

Measurement Range

0.03-1.00 aw 15-30oC / 59-86oF

Calibration Range

0.33-0.75 aw

n/a

Resolution

0.01 aw 0.1oC

Accuracy

+/- 0.03aw within cal. range

+/- 0.15oC

Precision

+/- 0.01aw within cal. range, as long as temp. remains constant between measurements +/- 0.1oC

Repeatability

+/- 0.01 aw within cal. range, as long as temp. remains constant between measurements n/a

Temperature Control

no temperature control available

Calibration Points (%rH)

33%, 75%

Versions

n/a

Current Supply

5 VDC, +/- 6%, max power consumption 10W

Power Supply/Mains

90-264 VAC 50/60 Hz

Display

LC-display, dimension: 35x69 mm

Communication

none
Housing
  • Two-part PC/ABS housing, weight: 1.2kg
  • Dimensions (LxWxH) = 225 x 140 x 85mm

Volume measurement chamber

15mL

Dimensions sample cup

Diameter 30mm x Height 14mm

Protection Class

IP22

21CFR 11

not compliant
See the LabStart in the Online Store
LabStart-open-01.jpg
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