---
product_id: 48726659
title: "Frost protection refractometer"
brand: "hhtec"
price: "453 kr"
currency: DKK
in_stock: true
category: "Hhtec"
url: https://www.desertcart.dk/products/48726659-frost-protection-refractometer
store_origin: DK
region: Denmark
---

# Fast, accurate ATC readings 4-in-1 fluid tester Wide temp range to -50°C Frost protection refractometer

**Brand:** hhtec
**Price:** 453 kr
**Availability:** ✅ In Stock

## Summary

> ❄️ Stay Frost-Smart: The Ultimate 4-in-1 Fluid Tester for Pro-Level Vehicle Care

## Quick Answers

- **What is this?** Frost protection refractometer by hhtec
- **How much does it cost?** 453 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/48726659-frost-protection-refractometer)

## Best For

- hhtec enthusiasts

## Why This Product

- Trusted hhtec brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **User-Friendly Design:** Just 2-3 drops, close the cover, and read instantly through the clear, easy-to-use eyepiece.
- • **All-in-One Fluid Mastery:** Test coolant, battery acid, washer fluid & AdBlue with a single precision tool.
- • **Instant, Reliable Results:** Built-in Automatic Temperature Compensation (ATC) delivers fast, precise readings every time.
- • **Extreme Temperature Coverage:** Measure antifreeze strength accurately from 0 to -50°C for ultimate winter readiness.
- • **Engineered for Automotive Pros:** Calibrated specifically for vehicle fluids—no guesswork, no compromises.

## Overview

The HHTEC Frost Protection Refractometer is a professional-grade 4-in-1 automotive fluid tester designed to measure coolant (ethylene & propylene glycol), battery acid, washer fluid, and AdBlue with precision. Featuring a wide temperature range down to -50°C and built-in automatic temperature compensation, it ensures fast, accurate readings with minimal sample volume. Its clear scale and ergonomic design make it easy to use, providing essential vehicle maintenance insights in one compact tool.

## Description

HHTEC 4-in-1 Automotive Refractometer with ATC, Antifreeze Coolant Tester, Battery Acid, Washer Fluid and AdBlue DEF Tester, Car Maintenance Tool : desertcart.co.uk: Automotive

## Features

- 4-in-1 automotive fluid tester: Tests coolant (ethylene & propylene glycol), battery acid, washer fluid and AdBlue (DEF) – one tool for complete vehicle fluid checks.
- Wide measuring ranges for automotive fluids: Ethylene glycol: 0 to -50°C, Propylene glycol: 0 to -50°C, Washer fluid (ethanol & isopropyl): 0 to -40°C, AdBlue: 30%–35% urea, Battery acid: 1.10–1.40 kg/L – covers key vehicle fluid testing needs.
- Fast and accurate readings with ATC: Built-in automatic temperature compensation (ATC) ensures reliable results with only a few drops of liquid.
- Easy to use with clear scale: Apply 2–3 drops on the prism, close the cover plate and read instantly through the eyepiece.
- Designed for automotive use only: Not suitable for sugar, alcohol or food liquids, as this refractometer is calibrated specifically for vehicle fluids.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B06XXMGQD5 |
| Batteries Required? | No |
| Batteries included? | No |
| Best Sellers Rank | 97,929 in Automotive ( See Top 100 in Automotive ) 262 in Antifreeze & Coolants |
| Colour | Silber und Schwarz |
| Customer Reviews | 4.6 4.6 out of 5 stars (2,199) |
| Date First Available | 5 May 2017 |
| Item Package Quantity | 1 |
| Item Weight | 160 g |
| Item model number | RHA-503 |
| Manufacturer | HHTEC |
| Material | Brass |
| Measurement Accuracy | 1 |
| Part number | RHA-503 |
| Product Dimensions | 22.2 x 8.2 x 5.6 cm; 160 g |

## Images

![Frost protection refractometer - Image 1](https://m.media-amazon.com/images/I/61-ayNLjKYL.jpg)

## Frequently Bought Together

- HHTEC 4-in-1 antifreeze refractometer ethylene glycol, propylene glycol, for automotive cooling fluid, Windshield washer fluid, AdBlue(DEF), automotive and industrial battery fluid measurement
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**Shop now:** [https://www.desertcart.dk/products/48726659-frost-protection-refractometer](https://www.desertcart.dk/products/48726659-frost-protection-refractometer)

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*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-05-17*