---
product_id: 30471114
title: "4491(PAL-91S) Digital Pocket Ethylene Glycol Refractometer (°C Scale)"
brand: "atago"
price: "R12425"
currency: ZAR
in_stock: true
reviews_count: 1
category: "Atago"
url: https://www.desertcart.co.za/products/30471114-4491-pal-91s-digital-pocket-ethylene-glycol-refractometer-c-scale
store_origin: ZA
region: South Africa
---

# 0.4% glycol accuracy AAA battery powered 3-second rapid reading 4491(PAL-91S) Digital Pocket Ethylene Glycol Refractometer (°C Scale)

**Brand:** atago
**Price:** R12425
**Availability:** ✅ In Stock

## Summary

> 📈 Measure Like a Pro, Cool Like a Boss

## Quick Answers

- **What is this?** 4491(PAL-91S) Digital Pocket Ethylene Glycol Refractometer (°C Scale) by atago
- **How much does it cost?** R12425 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/30471114-4491-pal-91s-digital-pocket-ethylene-glycol-refractometer-c-scale)

## Best For

- atago enthusiasts

## Why This Product

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

## Key Features

- • **Instant Results:** Get reliable readings in just 3 seconds—no waiting, no guesswork
- • **Compact & Portable:** Pocket-sized design powered by easy-to-replace AAA batteries—ready wherever you go
- • **Effortless Calibration:** One-touch zero calibration with water ensures consistent accuracy
- • **Precision You Can Trust:** Ultra-accurate 0.4% glycol measurement for flawless fluid monitoring
- • **Smart Temperature Compensation:** Built-in automatic temp adjustment for precise antifreeze and coolant analysis

## Overview

The 4491(PAL-91S) Digital Pocket Ethylene Glycol Refractometer delivers fast, precise measurements of glycol concentration and freezing points with 0.4% accuracy and automatic temperature compensation. Its compact design, 3-digit LCD, and simple calibration make it an essential tool for professionals managing industrial fluids and coolants.

## Description

Use these digital refractometers to easily monitor the quality of your water-soluble industrial fluids and coolants. Operation is easy - place a few drops of sample on the prism, press the start key, and the measurement is displayed in three seconds. Display the freezing point by pressing the start key for two seconds while the concentration ( percent ) is indicated. Calibration is also simple - clean off the prism, add water and press the zero key. Digital display ensures accurate readings units are ideal for measuring coolant levels in antifreeze and deicing solutions. Automatic temperature compensation makes sample measurements quick and easy.

Review: Five Stars - ok

## Features

- Accuracy: 0.4 percent (glycol)
- Battery type: aaa battery (2)
- Display type: 3-digit lcd
- Resolution: 0.2 percent (glycol)
- Temperature accuracy: 1°c

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Customer Reviews | 5.0 out of 5 stars 1 Review |

## Images

![4491(PAL-91S) Digital Pocket Ethylene Glycol Refractometer (°C Scale) - Image 1](https://m.media-amazon.com/images/I/41izCZE-R6L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Five Stars
*by C***D on February 21, 2017*

ok

## Frequently Bought Together

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**Shop now:** [https://www.desertcart.co.za/products/30471114-4491-pal-91s-digital-pocket-ethylene-glycol-refractometer-c-scale](https://www.desertcart.co.za/products/30471114-4491-pal-91s-digital-pocket-ethylene-glycol-refractometer-c-scale)

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-07-14*