D52-2066 DIN rail multi-function digital meter can measure current voltage, current, active power, power factor, frequency and electric power. Adopts LCD display, large font, with 178 wide visual angle, you can see the data clearly. Two types optional, you can choose AC40-300V and AC250-450V according to your demands. Wide applications, suitable for chemical industry, power plant, automation equipment, DOS system, electromechanical devices, etc. You can have a try. Features: Multi-function, which can be used to measure the change of current voltage, current, active power, power factor, frequency and electric power. Adopts LCD display, large font, with 178 wide visual angle, you can see the data clearly. Two types optional, you can choose AC40-300V and AC250-450V according to your demands. AC40-300V for measuring household electricity AC110V or AC220V. AC250-450V for measuring three-phase electricity AC380V. Easy installation, DIN rail mounting design, simple and convenient. Wide applications, suitable for chemical industry, power plant, automation equipment, DOS system, electromechanical devices, etc. Specifications: Name: Power Meter Material: Plastics Type: 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 Power: 0-9999kwh Power Factor: 0.00-1.00PF Test 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 / 4.94ounces Packing List: 1 * Power Meter