Digital enamel rater tests coating coverage in food, beverage, and aerosol cans — 0–500 mA range, 0.01 mA resolution, ±2% accuracy with reverse-voltage defect detection.
The CanNeed-DER-400 Digital Enamel Rater is the industry standard for testing enamel coating coverage inside food and beverage cans, aerosol cans, and various ends. This high-precision instrument detects exposed metal positions with enhanced sensitivity and reliability. Featuring a durable, corrosion-resistant can body support and a robust film-coated keypad, the DER-400 is designed for long-term performance in demanding production environments. It provides a clear, real-time digital LED display of exposed metal levels, ensuring consistent quality control.
