--- product_id: 2698640 title: "Milwaukee Salinity Digital Refractometer for Saltwater Aquariums - MA887" brand: "milwaukee instruments" price: "AR$598366" currency: ARS in_stock: true category: "Milwaukee Instruments" url: https://www.desertcart.com.ar/products/2698640-milwaukee-salinity-digital-refractometer-for-saltwater-aquariums-ma887 store_origin: AR region: Argentina --- # 3 measurement units (PSU, ppt, S.G.) 1.5s ultra-fast response rugged, sealed prism & stainless steel well Milwaukee Salinity Digital Refractometer for Saltwater Aquariums - MA887 **Brand:** milwaukee instruments **Price:** AR$598366 **Availability:** ✅ In Stock ## Summary > 🌊 Nail your reef’s perfect salinity—fast, precise, and built for pros! ## Quick Answers - **What is this?** Milwaukee Salinity Digital Refractometer for Saltwater Aquariums - MA887 by milwaukee instruments - **How much does it cost?** AR$598366 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/2698640-milwaukee-salinity-digital-refractometer-for-saltwater-aquariums-ma887) ## Best For - milwaukee instruments enthusiasts ## Why This Product - Trusted milwaukee instruments brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Speed Meets Simplicity:** Get reliable salinity results in just 1.5 seconds—no more waiting, no guesswork. - • **Portable Pro-Level Tool:** Compact and rugged design fits perfectly in your toolkit for on-the-go aquarium mastery. - • **Precision in Every Drop:** High accuracy readings with automatic temperature compensation ensure your reef thrives. - • **Versatile Measurement Modes:** Switch effortlessly between PSU, ppt, and specific gravity to suit your expert needs. - • **Built to Last, Built to Clean:** Durable sealed flint glass prism and stainless steel well wipe clean easily for continuous use. ## Overview The Milwaukee MA887 Digital Refractometer is a rugged, portable device designed for saltwater aquarium enthusiasts and professionals. It delivers ultra-fast (1.5 seconds) and highly accurate salinity measurements with automatic temperature compensation, displaying results in three popular units (PSU, ppt, and specific gravity). Featuring a sealed flint glass prism and stainless steel well, it’s easy to clean and built for durability, making it the go-to tool for maintaining optimal reef tank conditions. ## Description desertcart.com: Milwaukee Salinity Digital Refractometer for Saltwater Aquariums - MA887 : Industrial & Scientific ## Features - The MA887 is a rugged, portable digital refractometer designed for the measurement of salinity of natural or artificial seawater used in saltwater aquariums and reef tanks. - The MA887 displays results in three popular measurement units: Practical Salinity Units (PSU), salinity in parts per thousands (ppt) and specific gravity (S.G. (20/20)). - The instrument’s high accuracy and simple operation gives reliable results each and every time. All readings are automatically compensated for temperature variations and displayed within a 1.5 second response time. - The sealed flint glass prism and stainless steel well are easy to clean. Just wipe with a soft cloth in preparation for the next sample. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B007Z4ITWU | | Best Sellers Rank | #98,637 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #42 in Lab Refractometers | | Brand Name | Milwaukee Instruments | | Customer Reviews | 4.5 4.5 out of 5 stars (573) | | Included Components | MA887 refractomer, plastic pipette, and instruction manual | | Item Dimensions | 7.7 x 4 x 2.6 inches | | Item Weight | 14.88 ounces | | Manufacturer | Milwaukee Instruments | | Model | MA887 | | Number of Items | 1 | | Output Type | Digital | | Part Number | MA887 | | Response Time | 1.5 seconds | | Style Name | Refractometer | | UPC | 810666006007 | | Unit Count | 1 Count | ## Product Details - **Brand:** Milwaukee Instruments - **Item Weight:** 14.88 ounces - **Item dimensions L x W x H:** 7.7 x 4 x 2.6 inches - **Output Type:** Digital - **Style:** Refractometer ## Images ![Milwaukee Salinity Digital Refractometer for Saltwater Aquariums - MA887 - Image 1](https://m.media-amazon.com/images/I/31ZqayKaBsL.jpg) ![Milwaukee Salinity Digital Refractometer for Saltwater Aquariums - MA887 - Image 2](https://m.media-amazon.com/images/I/31ZZ6b7kZGL.jpg) ![Milwaukee Salinity Digital Refractometer for Saltwater Aquariums - MA887 - Image 3](https://m.media-amazon.com/images/I/31uTNu4Z29L.jpg) ![Milwaukee Salinity Digital Refractometer for Saltwater Aquariums - MA887 - Image 4](https://m.media-amazon.com/images/I/41eQGAJnkgL.jpg) ![Milwaukee Salinity Digital Refractometer for Saltwater Aquariums - MA887 - Image 5](https://m.media-amazon.com/images/I/511xgemBw2L.jpg) ## Available Options This product comes in different **Model** options. ## Questions & Answers **Q: Why don't you carry the hard shell & padded case - Model #MA800** A: We do. It's just that they use the same UPC code for both and Amazon doesn't recognize the difference. Give us a call for that one. **Q: How do you clean it, after each use? Just rinse it out?** A: I've always just dried it with a cloth or paper towel. Anything really. Been doing it for years **Q: Is there a difference between the green or black version of the milwaukee ma887 digital salinity refractometer?** A: No, the "black" version is the latest Milwaukee product cc 2021. Functionally they are exactly the same. Dittio for the other Milwaukee products too. **Q: I've had my ma887 for year now. seems to calculate 35ppt at 1.027 s.g. anyone else's unit do this?** A: I have had the same problem and you can calibrate it with distilled water, but mine was still off by 2ppm regardless. ## Frequently Bought Together - Milwaukee MA887 Digital Salinity Refractometer with Automatic Temperature Compensation, Yellow LED, 0 to 50 PSU, +/-2 PSU Accuracy, 1 PSU Resolution (color may vary) - Continuum Reagents Refractometer Calibration Standard – Seawater Reference for Calibration of Density Measuring Equipment, 60 ml - Salinity Refractometer for Seawater and Marine Fishkeeping Aquarium 0-100 PPT with Automatic Temperature Compensation --- ## 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.com.ar/products/2698640-milwaukee-salinity-digital-refractometer-for-saltwater-aquariums-ma887](https://www.desertcart.com.ar/products/2698640-milwaukee-salinity-digital-refractometer-for-saltwater-aquariums-ma887) --- *Product available on Desertcart Argentina* *Store origin: AR* *Last updated: 2026-10-22*