Цифровой измеритель мощности

Digital Power Meter Volt, current, frequency, power Ammeter, Frequency, Power factor meter 1. Technical parameters 1.1 main parameters 1.1.1 Display digits:4 digits; display range: 0.000-9999 1.1.2 Accuracy class: class 0.5, 0.2 1.1.3 Polarity signal: no signal for positive value; -for negative one 1.1.4 Overloading capability: 1.2 times for continuous; for transient, 10 times/ 5 sec. of current and 2 times/1 sec. of voltage 1.1.5 EMC rating: class 2 2. main parameters 2.1.standardized input: AC: 1A,5A; AV:100V,200V,380V DC: 4-20mA; DV: 75mV-750V 2.2Transmission output: DC:4-20Ma;DC 0-5V (with extended function) 2.3RS 485 communication port, applied with MODBUS correspondent agreement (with extended function) 2.4With two-way relay output ( with extended function) 2.5Input impedance: Current input impedance ≤ 1Ω, voltage input impedance≥ 10MΩ 2.6Power supply: AC/DC 80280 2.7Power loss: ≤2VA 2.8Insulation strength: 2kV/1min