Water Activity Resources

Maximize the quality of water in your products by effectively measuring water activity. Water can cause many expensive problems—microbial growth, mold, loss of texture, caking and clumping, rancidity, and vitamin loss. The best way to understand water in your product is by learning how to measure water activity.

Nelson-Jameson now offers an industry-leading line of equipment and consumables designed to ensure food quality, safety, and overall profitability for your water testing needs.

View/Download our Nelson-Jameson Water Activity Quick Start Guide.
View/Download our Nelson-Jameson Water Activity User Manual.

Nelson-Jameson Water Activity Meter

Designed to be a simple, rapid, and portable system for water activity measurement to ensure product safety. It is easy to use, durable, and requires little maintenance. This handheld water activity meter main unit includes:

Features:

• Durable carrying case.
• Disposable sample cups.
• Spare sensor filters.
• Reusable stainless steel cup.
• Two vials each of the following verification standards: 2.33 mol/kg NaCl (0.920 aw), 6.00 mol/kg NaCl (0.760 aw), and 13.41 mol/kg
  LiCl (0.250 aw).
• Water Activity meter Cleaning Kit (by METER Group).
• Calibration certificate.

Features:

• Fast: Water activity readings in one minute.
• Easy to Use: Precise measurements, minimal training.
• Expandable: Connect and manage multiple AQUALAB 3 instruments with one iPad.
• Repeatable: Certified standards for repeatability across users and locations.
• Multiple Reading Types: Simultaneous moisture content readings.
• Optional block exchange program includes annual recalibration, extended warranty, and service plan.

Features:

• Fast: Water activity meter gets reading in five minutes or less.
• Accurate: ±0.003 aw.
• Verifiable with independent salt standards.
• Repeatable: Different users, different locations, same result.
• Portable: Weighs just 7-lb.
• Easy to Use: Water activity meter yields precise measurements with minimal training.
• Secure: Offers administrative control over calibration and sample data.
• Proven: Used by 80 of the top 100 food companies.

Features:

• Accurate: ±0.005 aw.
• Accurately reads any sample, including those with volatiles.
• Verifiable with independent salt standards.
• Repeatable: Different users, different locations, same result.
• Portable: Weighs just 7-lb.
• Easy to Use: Precise aw readings with minimal training.
• Secure: Offers administrative control over calibration and data.