Pro Check Universal – Aluminum, Plastic, and Poly TanksMopeka Pro Check Universal Sensor, the evolution of Mopekas renowned Pro Check Technology, offering enhanced usability and connectivity along with groundbreaking new features: Improved Accuracy Building upon the Pro Check's 99% accuracy, the Pro Check Universal achieves an impressive 99. 5% accuracy level. Expanded Compatibility The Tank Check App accompanying the Pro Check Universal now supports additional commodities, including Diesel, Oil, Water,