Led cover for refractometer

The cover with built-in LED allows you to perform a range of conventional tests using the refractometer whenever you want, wherever you want – including in dark or grimy surroundings.

 
Built-in LED
Simple installation. You can use the pin removal tool (included) to easily remove the existing cover and replace it with the cover with built-in LED.
Easy to use. On and off button activates the LED cover.
Compatible with most conventional refractometers on the market
LED lifespan: 10 to 15 hours