4in1 Automotive Refractometer
- Full-metal housing made of copper alloy with chrome plating is durable and resistant to abrasion
- Designed to quickly and accurately test the density of the electrolyte in the battery and the concentration of urea in the AdBlue tank
- Also suitable for measuring the strength and concentration of antifreeze and screenwash fluid
- Built-in ATC Compensation range (Automatic Temperature Compensation) in between 10 °C to 30 °C. Recalibration is not required after changes in ambient operating temperature
- Adjustable manual focus with soft rubber eyepiece for comfortable viewing
- Supplied with a calibration screwdriver, transparent transfer pipette and storage case