--- product_id: 382594009 title: "4-in-1 Antifreeze Refractometer for Automobile Antifreeze System Diesel Exhaust Fluid, Battery Acid and Windshield Washer Fluid, Coolant Refractometer Antifreeze Tester" brand: "hallocool" price: "¥7251" currency: JPY in_stock: true category: "Hallocool" url: https://www.desertcart.jp/products/382594009-4-in-1-antifreeze-refractometer-for-automobile-antifreeze-system-diesel store_origin: JP region: Japan --- # Automatic temperature compensation Wide measurement range -50 to 0°C 4-in-1 multi-fluid testing 4-in-1 Antifreeze Refractometer for Automobile Antifreeze System Diesel Exhaust Fluid, Battery Acid and Windshield Washer Fluid, Coolant Refractometer Antifreeze Tester **Brand:** hallocool **Price:** ¥7251 **Availability:** ✅ In Stock ## Summary > ❄️ Stay Cool, Stay Ahead: The Ultimate 4-in-1 Fluid Tester for the Modern Driver ## Quick Answers - **What is this?** 4-in-1 Antifreeze Refractometer for Automobile Antifreeze System Diesel Exhaust Fluid, Battery Acid and Windshield Washer Fluid, Coolant Refractometer Antifreeze Tester by hallocool - **How much does it cost?** ¥7251 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/382594009-4-in-1-antifreeze-refractometer-for-automobile-antifreeze-system-diesel) ## Best For - hallocool enthusiasts ## Why This Product - Trusted hallocool brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Rugged & Ready:** Durable aluminum & ABS build with portable case—engineered for on-the-go pros. - • **All-in-One Precision:** Test antifreeze, DEF, battery acid & washer fluid with one sleek device. - • **Freeze-Proof Confidence:** Accurately measures freezing points from -50°C to 0°C to keep your engine safe. - • **Smart Temp Compensation:** Automatic ATC tech ensures flawless readings regardless of ambient temperature. - • **Minimal Sample, Maximum Accuracy:** Just 2-3 drops needed—faster, cleaner, and more reliable than traditional hydrometers. ## Overview This 4-in-1 antifreeze refractometer offers precise measurement of freezing points for ethylene and propylene glycol-based antifreeze, urea concentration in diesel exhaust fluid (30-35%), specific gravity of battery acid (1.10-1.40 Kg/L), and freezing points of windshield washer fluids (-40 to 0°C). Featuring automatic temperature compensation, it delivers accurate, quick readings with minimal sample size. Built from durable aluminum and ABS materials, it’s portable and designed for long-lasting professional use. ## Description 4-in-1 Antifreeze Refractometer for Automobile Antifreeze System Diesel Exhaust Fluid, Battery Acid and Windshield Washer Fluid, Coolant Refractometer Antifreeze Tester: desertcart.com: Industrial & Scientific ## Features - 4 IN 1 FUNCTION: ❄Antifreeze refractometers measure freezing point of automobile antifreeze basied on ethylene glycol or propylene glycol, and measuring rang:-50 to 0 ℃. ❄Measure Urea Concentration in automobile diesel exhauset fluid (DEF) 30% to 35%. ❄Measure specific gravity of battery acid 1.10 to 1.40Kg/L. ❄Windshield washer fluid based on ethanol or isopropyl alcohol -40 to 0 ℃ - Better Accuracy& Reliable: ATC antifreeze coolant testers can compensate temperature automatically when ambient temp changes, excellent eliminate the deviation, and ensure the measured readings more precise - Quick & Easy Using: Just 2 or 3 drops of solution, wait for few seconds and towards light, then get the accurate reading. The affordable coolant refractometer needs less sample solution than tradistional hydrometer and less expensive then digital refractometer but bettery accuracy - Durable & Portable - Antifreeze tester is made of non-staining aluminum and ABS rubber, anti-rust, sturdy and resistand to abrasion for long perfermance. Comes with durable plastic box, lightweight, and easy for storage and carry with - Practical Tool: The optics antifreeze refractometer is great tool to help you check freezing point of automobile antifreeze system, quick reference of battery charge condition, monitor DEF and windshield water fluid status ## Technical Specifications | Specification | Value | |---------------|-------| | Customer Reviews | 4.4 out of 5 stars 27 Reviews | ## Images ![4-in-1 Antifreeze Refractometer for Automobile Antifreeze System Diesel Exhaust Fluid, Battery Acid and Windshield Washer Fluid, Coolant Refractometer Antifreeze Tester - Image 1](https://m.media-amazon.com/images/I/61KtCQLgOjL.jpg) ![4-in-1 Antifreeze Refractometer for Automobile Antifreeze System Diesel Exhaust Fluid, Battery Acid and Windshield Washer Fluid, Coolant Refractometer Antifreeze Tester - Image 2](https://m.media-amazon.com/images/I/71aXLo6h1+L.jpg) ![4-in-1 Antifreeze Refractometer for Automobile Antifreeze System Diesel Exhaust Fluid, Battery Acid and Windshield Washer Fluid, Coolant Refractometer Antifreeze Tester - Image 3](https://m.media-amazon.com/images/I/81gJH3jPORL.jpg) ![4-in-1 Antifreeze Refractometer for Automobile Antifreeze System Diesel Exhaust Fluid, Battery Acid and Windshield Washer Fluid, Coolant Refractometer Antifreeze Tester - Image 4](https://m.media-amazon.com/images/I/61rJLAYo06L.jpg) ![4-in-1 Antifreeze Refractometer for Automobile Antifreeze System Diesel Exhaust Fluid, Battery Acid and Windshield Washer Fluid, Coolant Refractometer Antifreeze Tester - Image 5](https://m.media-amazon.com/images/I/61Cz-EYsAAL.jpg) ## Frequently Bought Together - Antifreeze Refractometer 4-in-1 Coolant Refractometer Antifreeze Tester for Automobile Antifreeze System Diesel Exhaust Fluid, Battery Acid and Windshield Washer Fluid - ITEQ Brake Fluid Liquid Tester Pen with 5 LED Indicators, Calibrated For DOT3 DOT4 Brake Fluid - Phoenix Systems 8006-B Double-Ended Brake Fluid + Coolant Test Strips (15 foil wrapped test strips), 1 Pack --- ## 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.jp/products/382594009-4-in-1-antifreeze-refractometer-for-automobile-antifreeze-system-diesel](https://www.desertcart.jp/products/382594009-4-in-1-antifreeze-refractometer-for-automobile-antifreeze-system-diesel) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-07-16*