Water Activity Meter Dealers

Water activity (aW) is defined as the current volume and availability of free water in a sample and should not be directly compared with the water content (g water/ g substance). The water activity is given aW value and ranges between 0 (absolute dryness) and 1 (condensed humidity). Only this Water Activity Meter can possibly form the ideal medium for determining microbiological growth on the surface that influences the microbiological stability. Free water in products is jointly responsible for the growth of undesirable organisms such as bacteria or fungi, which produce toxins or other harmful substances. For the determination of the aW-value the relative humidity in the surrounding air over the sample is measured. It is proportional to the aW-value. A meaningful aW-measurement (Water Activity Meter) can only be done if the sample shows a constant temperature during the measurement. The relative equilibrium humidity of a product, which is ascertained through its partial pressure of water vapor on the surface, depends on the chemical compound, temperature, water content, storage environment, absolute pressure and packing. Water Activity Meter is a quality Laboratory Device for the high precision determination of the aw-value of food, pharmaceutics, cosmetic etc. Features Of Water Activity Meter High accuracy and repeatabilityTemperature controlled measuring chamberIncreased measurement speedMeasurement cell with saved calibration dataIntuitive and simple menu navigationModular expandability to multi-channel system Chemical/Biochemical Effects of High/Low aW value Is Microbiological stability (growth)Chemical stabilityContent of proteins and vitamins Color, taste and nutritional valueStability of the compound and durability Storage and packing Sorption isothermThe relation b/w water content and water activity is showing the sorption isotherm of a product.Change in Temp will vary the aw-value at each humidity point.

• Feature: Accuracy, Multi Jet
• Voltage: 220V, 380V
• Application: Industrial
• Automatic Grade: Automatic
• Display: Digital
• Manufacturer: GBX, France
• Accuracy: High & Consistent

• Material: Stainless Steel
• Color: White
• Application: Industrial
• Size: Multisizes
• Voltage: 110V
• Type: Water Activity Meter
• Country of Origin: Switzerland

measuring water activity provides useful information about characteristics such as cohesion, storage lifetime, clotting or pourability of powders, tablets, etc., or the adhesive properties of coatings. features rotronic hygromer® in-1 highest precision through exact stabilization of temperature wide temperature-control range excellent reproducibility excellent long-term stability variable size of sample container reference probe exchangeable for calibration or cleaning quickest measurements with the awquick function simple operation via touch interface conforms to iso 21807 / emc 2008/108/ec / iec en 61010-1:2010

• Model Number: HI931101
• Application: Industrial
• Dimensions: 185 x 72 x 36 mm (7.3 x 2.8 x 1.4 Inch)
• Weight: 300 g (10.6 oz.)
• Warranty: 2 Years (Probe 6 Months
• Temperature Range: -20.0 to 120.0 Deg C (-4.0 to 248.0 Deg F)
• Battery Life: 1.5V AAA (3) / approx. 200 hours of continuous use
• Environment: 0 to 50 Deg C (32 to 122 Deg F); RH max 100%

Benchtop Model: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 softwareEasy-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. Portable Model: In many situations it can be very useful to measure water activity in production or storage rooms, e.g. inspection of bulk materials to ensure they meet specifications.

Water Activity Meter Aqualab (Decagon Devices, USA): The instrument is used to measure the Water Activity in Dairy, Meat and other Food products. The instrument employs chilled mirror dew point technology for Water Activity analysis. The instrument has measurement speed of less than 5 minutes and accuracy of +/- 0.003 aw. The instrument has a water activity measuring range of 0.030 to 1.000 aw. The instrument is software supported which helps the user to organize and visualize their measurement data. The instrument is calibrated to National Institute of Standards and Technology (NIST) traceable temperature standard.

Water activity meter, indicates the free water content when food is stable, measures the possibility of microbial proliferation. Food formulators use water activity to predict how much moisture migration will affect their product, so that to choose suitable package and storage method to reduce the usage of antiseptics.

• Country of Origin: Made in India
• Application: Laboratory
• Model Name/Number: VT 160A
• Resolution: +-0.01aw
• Weight: 100g (Not including batteries)
• Accuracy: 0.02aw
• Device Type: Handheld Water Activity meter
• Power Supply: 2x1.5vAAA
• Sampling Time: 5 Min

• Display: 4.3 inch color LC-Display
• Mains Supply: 5 VDC +/- 6% max
• Power Requirement: 10 W
• Power Supply: 90.264 VAC 50 / 60 Hz, output - Greater Than +5 VDC
• Operating: System start -Greater Than open chamber Touch screen and easy accessible menu structure
• Communication SD Card Type: SD / SD HC
• Communication Data System: FAT-16 / FAT-32
• Housing: Two-part PC/ABS design housing measurement chamber aluminum anodized
• Weight: 2.8 Kg
• Protection Class: IP 22
• Dimension: 300 x 200 x 105 mm
• Volume: 21.1 ml standardized sample dishes
• Measuring Chamber: 40 x 12 mm Spring-loaded measurement head
• Special Feature: Intelligent Novalyte measurement sensor CM-2 with calibration point memory

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