Description The D52-2066 DIN rail multifunctional digital meter can measure AC voltage, current, active power, power factor, frequency, and electrical energy. Features an LCD display with large font and a wide 178° viewing angle for clear data visibility. Two types available: choose between AC40-300V and AC250-450V to suit your needs. Widely used in chemical industries, power plants, automation equipment, DOS systems, electromechanical devices, and more. Give it a try! Features: Multifunctional: Measures AC voltage, current, active power, power factor, frequency, and electrical energy. LCD Display: Large font with a 178° wide viewing angle for easy reading. Two Options: Available in AC40-300V and AC250-450V. AC40-300V: For measuring AC110V or AC220V household electricity. AC250-450V: For measuring AC380V three-phase power. Easy Installation: DIN rail mounting for quick and convenient setup. Wide Application: Suitable for chemical industries, power plants, automation equipment, DOS systems, electromechanical devices, etc. 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) Electrical Energy: 0-99999kwh Power Factor: 0.00-1.00PF Testing Rate: 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 Packing List: 1 * Power Meter