--- product_id: 609452990 title: "0.75AW Water Activity Calibration Solution NaCl Standard Fluid for Lab | Fixed Value at 25°C(77 ℉), 30ml Stable Saturated Liquid, PET Bottle, for All Water Activity Meters (Model WA-60AC)" price: "$31.85" currency: USD in_stock: true reviews_count: 1 url: https://www.desertcart.us/products/609452990-0-75aw-water-activity-calibration-solution-nacl-standard-fluid-lab store_origin: US region: United States of America --- # 30ml ready-to-use PET bottle 0.75 aw precise calibration Standardized at 25°C (77°F) 0.75AW Water Activity Calibration Solution NaCl Standard Fluid for Lab | Fixed Value at 25°C(77 ℉), 30ml Stable Saturated Liquid, PET Bottle, for All Water Activity Meters (Model WA-60AC) **Price:** $31.85 **Availability:** ✅ In Stock ## Summary > ⚙️ Calibrate like a pro — precision you can trust, every time! ## Quick Answers - **What is this?** 0.75AW Water Activity Calibration Solution NaCl Standard Fluid for Lab | Fixed Value at 25°C(77 ℉), 30ml Stable Saturated Liquid, PET Bottle, for All Water Activity Meters (Model WA-60AC) - **How much does it cost?** $31.85 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/609452990-0-75aw-water-activity-calibration-solution-nacl-standard-fluid-lab) ## Best For - Customers looking for quality international products ## Why This Product - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Universal Compatibility:** Seamlessly calibrate all major water activity meters, including AMTAST WA-60A and beyond. - • **Compact & Convenient Packaging:** 30ml PET bottle designed for easy handling, storage, and routine calibration workflows. - • **Guaranteed Saturation & Stability:** 100% saturated NaCl solution ensures consistent calibration; visible salt crystals confirm quality. - • **Precision-Calibrated for Accuracy:** Achieve flawless water activity meter readings with a trusted 0.75 aw standard at 25°C. - • **Essential for Reliable Quality Control:** Maintain your lab’s measurement integrity with this indispensable calibration fluid. ## Overview This 30ml 0.75 aw standard NaCl solution is engineered for precise calibration of water activity meters at 25°C. Compatible with all major meter models, it guarantees 100% saturation for consistent, reliable results. Packaged in a durable PET bottle, it’s an essential tool for labs and quality control professionals seeking dependable meter accuracy. ## Description Product description Review: Major Issues - 1) Broken Seal. Salt precipitating out of cap. 2) Salt is crystalizing in solution. 3) Solution did not test accurately. ## Features - 𝐔𝐧𝐢𝐯𝐞𝐫𝐬𝐚𝐥 𝐂𝐚𝐥𝐢𝐛𝐫𝐚𝐭𝐢𝐨𝐧 𝐒𝐭𝐚𝐧𝐝𝐚𝐫𝐝 – This water activity standard solution is designed for the precise calibration of water activity meters. It is a saturated sodium chloride solution with a standard aw value referenced at 25°C (77°F), ensuring reliable and consistent calibration results across various applications. - 𝐁𝐫𝐨𝐚𝐝 𝐌𝐞𝐭𝐞𝐫 𝐂𝐨𝐦𝐩𝐚𝐭𝐢𝐛𝐢𝐥𝐢𝐭𝐲 – As a water activity meter calibration standard solution, it offers exceptional versatility. This standard solution is suitable for universal use with all water activity meter models, including our AMTAST WA-60A series and other brands, providing wide-ranging utility for laboratories and quality control. - 𝐆𝐮𝐚𝐫𝐚𝐧𝐭𝐞𝐞𝐝 𝐒𝐚𝐭𝐮𝐫𝐚𝐭𝐢𝐨𝐧 & 𝐒𝐭𝐚𝐛𝐢𝐥𝐢𝐭𝐲 – The formulation of this water activity meter standard solution guarantees 100% saturation. The occasional presence of sodium chloride crystals (white powder) is normal and indicates proper saturation; these can be rinsed off with water without affecting the solution's performance or accuracy. - 𝐂𝐨𝐧𝐯𝐞𝐧𝐢𝐞𝐧𝐭 𝐏𝐚𝐜𝐤𝐚𝐠𝐢𝐧𝐠 & 𝐒𝐩𝐞𝐜𝐢𝐟𝐢𝐜𝐚𝐭𝐢𝐨𝐧 – Each bottle of AW standard solution contains 30ml of ready-to-use liquid, packaged in durable PET material. This convenient volume and packaging make it easy to handle, store, and apply for routine calibration checks, supporting efficient workflow in testing environments. - 𝐄𝐬𝐬𝐞𝐧𝐭𝐢𝐚𝐥 𝐂𝐚𝐥𝐢𝐛𝐫𝐚𝐭𝐢𝐨𝐧 𝐅𝐥𝐮𝐢𝐝 – To maintain measurement accuracy, this water activity calibration solution is an essential consumable. Its stable properties and universal compatibility make it a practical and necessary choice for ensuring your water activity meter delivers precise and dependable readings over time. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CMX4Z6PY | | Batteries Required? | No | | Best Sellers Rank | #236,141 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #91 in Moisture Meters | | Customer Reviews | 1.0 1.0 out of 5 stars (2) | | Date First Available | November 8, 2023 | | Item Weight | 1.41 ounces | | Item model number | WA-60AC | | Manufacturer | AMTAST | | Material | PET | | Part Number | WA-60 | | Product Dimensions | 4.13 x 1.18 x 4.13 inches | | Style | Standard Solution | ## Images ![0.75AW Water Activity Calibration Solution NaCl Standard Fluid for Lab | Fixed Value at 25°C(77 ℉), 30ml Stable Saturated Liquid, PET Bottle, for All Water Activity Meters (Model WA-60AC) - Image 1](https://m.media-amazon.com/images/I/612jYa2XWdL.jpg) ## Customer Reviews ### ⭐ Major Issues *by B***W on August 21, 2024* 1) Broken Seal. Salt precipitating out of cap. 2) Salt is crystalizing in solution. 3) Solution did not test accurately. ## Frequently Bought Together - AMTAST Water Activity Standard 0.75aw NaCl Solution Used for Water Activity Meter Calibration, Standard AW Value 25°C (77°F), 30ML per Bottle, Water Activity Standard Solution WA-60AC - Water Activity Meter Smart Food Water Activity Tester for Jerky Dried Fruit Grain Vegetable Aw Moisture Mete Tools Adopt Non conductive Humidity Sensor, 0-1.0AW ±0.02AW Water Activity Analyzer Monitor --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/609452990-0-75aw-water-activity-calibration-solution-nacl-standard-fluid-lab](https://www.desertcart.us/products/609452990-0-75aw-water-activity-calibration-solution-nacl-standard-fluid-lab) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-07-27*