AC Power Quality Monitor

Category:AC Power Quality Monitor
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Release date:March 23, 2022
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Detailed introduction

Product Overview
SF DZ-3AC Power Quality MonitorApplicable toPower quality monitoringIn the system, it is particularly suitable for enterprise distribution systems with harsh installation environments. The device adopts a newly designed mechanical structure with integrated and compact design, allowing for flexible selection of multiple installation methods to adapt to harsh installation environments. It can meet the requirements of wall mounted installation in the distribution box of enterprise distribution systems, as well as conventional embedded installation.
Product Features
Distributed design for more flexible installation.
◆ Online monitoring: Adopting DSP technology combined with FFT calculation method can ensure high-precision online monitoring of various parameters in the power grid;
◆ Display: Using a 5.6 inch TFT color LCD screen for display;
◆ Stability: Adopting a multi-layer circuit board design, with a reasonable overall structure and strong anti-interference ability;
◆ Communication interface: Provide RS232 or RS485 communication interface;
Product Features

Basic monitoring quantity	Effective values of frequency, voltage, current, total active and reactive power, power factor
Basic monitoring indicators	Grid frequency, voltage/current effective value, total active/reactive/power factor, three-phase fundamental voltage/current effective value, fundamental voltage/current phase, fundamental power/power factor, voltage deviation, frequency deviation, three-phase voltage imbalance, three-phase current imbalance, negative sequence component, harmonic (2-63 times), including total harmonic distortion rate of voltage and current, harmonic content, amplitude, phase, active, reactive, etc
Other functions	Parameter setting function Record storage function GPS time synchronization function, using GPS B code time synchronization method; System timing.

Technical indicators

technical specifications	Parameter indicators
Manufacturer	Baoding Fangchang Electric Power Technology Co., Ltd
Equipment model	SF DZ-3
Number of sampling paths	1X3Phase voltage, 1X3 phase current
Voltage measurement range	AC57.7V、100V、220V、380V
Current measurement range	zero point zero one～6A
Frequency measurement range	forty-five～55Hz
Grid frequency error	≤0.002 Hz
Voltage deviation error	≤ 0.1%
Error in three-phase voltage imbalance	≤ 0.2%
Harmonic measurement error	Meet the requirements of national standard A-level instruments
Power error	≤ 0.5%
Display screen	five point sixInch TFT color LCD screen
Working power supply	AC220V± 20% frequency 45Hz~55Hz DC110V±20% 220V±20%
Communication interface; Communication protocol	Support RS485/Ethernet port; Supports ModBus RTU and IEC60870-05-103 communication protocols、IEC60870-05-one hundred and fourCommunication protocol
power dissipation	<15W
Working temperature/humidity	Working temperature -20 ℃~+60 ℃, humidity 5%~95% (non condensing)
size	168x168x145mm back plug-in chassis
weight	About 1kg
Installation method	Wall mounted or embedded