Description The D52-2066 DIN-rail multi-functional digital meter can measure AC voltage, current, active power, power factor, frequency, and electric energy. It uses an LCD display with large font and a 178° wide viewing angle for clear data visibility. Two types are available: AC40-300V and AC250-450V, allowing you to choose based on your needs. Widely used in chemical industries, power plants, automation equipment, DOS systems, electromechanical units, and more. Features: Multi-functional, measuring AC voltage, current, active power, power factor, frequency, and electric energy. Uses an LCD display with large font and a 178° wide viewing angle for clear data visibility. Two types available: AC40-300V and AC250-450V (choose according to your needs). AC40-300V for measuring AC110V or AC220V household electricity. AC250-450V for measuring AC380V three-phase power. Easy DIN-rail mounting for simple and convenient installation. Widely used in chemical industries, power plants, automation equipment, DOS systems, electromechanical units, and more. Specifications: Name: Power Meter Material: Plastic Types: AC40-300V, AC250-450V (optional) Current: AC0.00-100.0A Frequency: 45.0Hz-65.0Hz Active Power: 0.0-30000W(AC40-300V), 0.0-45000W(AC250-450V) Electric Energy: 0-99999kwh Power Factor: 0.00-1.00PF Testing Speed: 2 times per second Item Size: 54 * 64 * 80mm / 2.13 * 2.52 * 3.15in Package Size: 85 * 70 * 60mm / 3.35 * 2.76 * 2.36in Package Weight: 140g / 4.94ounce Package List: 1 * Power Meter