A precision instrument to accurately measure the strength of battery fluid, screenwash, antifreeze (including synthetics) and aqueous / urea AdBlue^¨ content. A very versatile unit, especially with the ability to measure AdBlue concentration.

• Temperature corrected prism for improved accuracy
• Adjustable focus eyepiece
• Simple calibration using distilled water
• Supplied with pipette & storage case

Neon tubes glow to indicate if signal is present. Simply plug into spark leads then connect to high tension leads.

Checks HT system. Simply set tester between the spark plug and lead. Start engine to obtain a quick and simple fault diagnosis.

• Male to HT lead connector
• Rubber connector

Checks spark to measure ignition voltage without removing spark plug. Simulates spark plug under compression load. For conventional and electric ignition systems.