Astec YD2040 multifunction digital display instrument worthy of your trust manufacturers lifetime: Jiangyin City Astec Electronics Co., Ltd. specializes in the research and development of intelligent control technology. Astec Tel: 0510-68936755 Astec Fax: 0510-84060056 Astec phone: 13812137565 ■ measurements ACR320E enough precision measurement of three-phase power system for all common power parameters: three-phase voltage, phase current, active power, reactive power, power factor, power frequency, there is. reactive power, reactive power, and with a communication interface and power pulse output function. Using MODBUS-RTU communication protocol, to achieve LED display and remote RS-485 digital communications. With easy installation, wiring is simple, easy maintenance, engineering, field programmable set of input parameters, etc., and can be completed with industry PLC, industrial computer group network communication. Measurements: Three-phase voltage, current, active power, reactive power, power factor, frequency, active energy, reactive energy metering: positive and negative active energy, reactive energy inductive capacitive display: three rows of LED digital display, high visual communication: RS485 communication, MODBUS-RTU protocol Output: 2-way power pulse output (pulse constant 10000imp / kwh) Expansion: programmable set of input parameters can be changed directly from the current, voltage transformer signal, compared with the election scene : You can add analog 4-20mA transmitter output, switch number, switch output, upper and lower limit alarm Function: Suitable for a variety of line circuits, high-capacity electrical parameters of the electrical circuit integrity monitoring and management ■ Introduction This series of digital multi-function power meter is installed, is designed to monitor the demand for electricity power systems, industrial and mining enterprises, public facilities, intelligent building of the Multifunction Power Meter. It can measure all the common electrical parameters, such as the three-phase current, voltage, power, energy, etc., because of the power meter also has communication improved networking capabilities, it is very suitable for real time power monitoring system. Model Description Power Measurement company with years of experience in product design, use of modern single-chip microprocessor technology and proprietary design of energy measurement technology into the series Multifunction Power Meter product design fully consider the cost performance ratio, ease of use and reliability, has the following characteristics:. ☆ ☆ ☆ ☆ ☆ ☆ directly from current and voltage transformer signal; can be set arbitrarily PT / CT transformation ratio; the instrument can also be fixed scroll display; multi-block instrument can set a different address; light-emitting diode display, highly visible; easy to install, simple wiring, small quantities ; ☆ instrument using a dedicated power failure protection circuitry in power-down situations, power is not lost, after power is restored, the power to continue to take the word Multifunction Power Meter is an ideal device for power quality monitoring. The instrument while the grid current, voltage, frequency, active power, reactive power, now power, power, power factor measurement, but also has the capacity for the test can be converted into four-way or two-way pulse output function. Distributed detection suitable for transformers, generators, motors and other capacitor combination, on-site monitoring of the power grid, automatic control system display. ■ Performance Parameter Input voltage measurement shows the network of three-phase three-wire, three-phase four-wire Voltage Rating AC100V, 400V (please specify when ordering) Overload Duration: 1.2 times the instantaneous: 2 times / 10s Power <1VA (per phase) Impedance> 300kΩ RMS measurement precision, accuracy class 0.5 current rating AC1A, 5A (please specify when ordering) Overload Duration: 1.2 times the instantaneous: 2 times / 10s Power <0.4VA (per phase) Impedance <20MΩ RMS measurement accuracy, precision Level 0.5 Frequency 40 ~ 60Hz, 0.1Hz precision function active, reactive, apparent power, precision 0.5 four-phase power metering limit, precision 0.5 active and reactive power accuracy of a programmable display, switching, power cycle the LED display work range AC, DC 80 ~ 270V power ≤5VA output digital interface RS-485, MODBUS-RTU protocol Pulse output 2-way power pulse output, opto isolated environment working environment -10 ~ 55 ℃ Storage environment -20 ~ 75 ℃ Safety resistance voltage input and power supply> 2kV, the input and output> 2kV, power supply and output> 1kV Insulation input, output, power on the chassis> 5MΩ dimensions 120 × 120 × 128 96 × 96 × 128 (length, width, depth) Weight 0 .6kg ■ Installation 1). In a fixed distribution cabinet, choose the right place to open a hole size of the mounting holes. 2) Remove the instrument, loosen the screws, remove the clip. 3) Install the devices into the distribution cabinet meter hole. 4) Insert the instrument retaining clip, fixed positioning screw. Note: LN as the auxiliary power supply, please press the correct wiring diagram instrument case! Astec Instrument Dimensions: 96 * 48 Hole Size: (91 * 45) Astec Instrument Dimensions: 48 * 48 Hole Size: (45 * 45) Astec Instrument Dimensions: 72 * 72 Hole Size: ( 67 * 67) Astec Instrument Dimensions: 80 * 80 Hole Size: (76 * 76) Astec Instrument Dimensions: 96 * 96 Hole Size: (91 * 91) Astec Instrument Dimensions: 120 * 120 open hole size: (111 * 111) ■ The following is the point of sale by the National Electrical Astec! ! ! 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