£83.93

Extech RF40 Battery Acid and Engine Coolant Refractometer

Black, RF40

Price data last checked 115 day(s) ago - refreshing...

View at Amazon

We'll watch every seller, every day. One email when your price arrives.

Same price for 53 weeks. Today is much like next week.

£84 for 373 days straight · last change was Feb 2025

NEW HERE?

Amazon shows you one price. We show you all of them.

Tosheroon watches Amazon prices so you don't have to. Every product on Amazon has a price history — we make it visible. Set the price you'd actually pay, and we'll email you the second it gets there. No app, no account, one email.

WHAT'S ON THIS PAGE

↓ Price chart
when this has been cheap or pricey
↓ Forecast
where the price is heading next
↓ Statistics
all-time high & low, recent range
↑ Price alert
name your number, we'll email you

Price History & Forecast

Grey patches = out of stock. Cheaper = lower on the chart. Hover for exact prices.

Last 616 days • 616 data points (No recent data available)

Historical
Generating forecast...
£122.48 £74.09 £84.65 £95.21 £105.76 £116.32 £126.88 11 June 2024 11 November 2024 14 April 2025 15 September 2025 16 February 2026

Price Distribution

Price distribution over 616 days • 5 price ranges

Days at Price
Current Price
418 days · current 187 days 3 days 4 days 4 days 0 105 209 314 418 £78-87 £87-96 £96-105 £105-114 £114-122 Days at Price

Price Analysis

Most common range: £78-87 (418 days, 67.9%)

Price range: £78 - £122

Price levels: 5 price ranges over 616 days

Description
This portable battery coolant/glycol Refractometer is easy to operate refract meters provide accurate and repeatable measurements on easy to read scales. The RF40 measures the freezing point of automotive coolants (propylene glycol and ethylene glycol) and indicates the specific gravity of battery acid and provides a quick reference of battery charge condition. Complete with one year warranty, case, calibration screwdriver, plastic pipette and calibration solution. Box Contains Complete with one year warranty, case, calibration screwdriver, plastic pipette and calibration solution.

Key Features

Measures -60 to 32F Propylene/Ethylene Glycol freeze point and 1.11 to 1.30 Specific Gravity of Battery Acid

Automatic Temperature Compensation (ATC)

Requires only 2 or 3 drops of solution

Complete with case, calibration screwdriver, plastic pipette and calibration solution

Product Specifications
Brand
Extech
Model
RF40
Colour
Black
ASIN
B00023RYR2
Category
Home & Kitchen > Cooking & Dining > Home Brewing & Wine Making > Measuring & Testing Tools > Refractometers
Domain
Amazon UK
Release Date
26 February 2016
Listed Since
23 November 2011

Barcode

No barcode data available