1. General
PZ72L-DE solar power meter is designed for application in solar power supply. It can measure voltage, current, Kw&kwh from solar grid and panel. It may be used for local display and connected with the control equipment to regroup measuring and controlling system.
It can be equipped RS485 communication under Modbus-RTU protocol; and it has options of analog output, relay alarm, digital input/output. According to different request, meter's parameters can be set by 4 keys on its panel.
2.Technical Parameters
Technical Parameters | Indicators | ||
Input |
DC voltage | Input range | Direct access： 0～100V,0～500V,0～1000V |
Input resistance | ≥6kΩ/V | ||
DC current | Input range | Indirect access：0-2500A(External Shunt or Hall Current Sensor, the range can be set) | |
Shunt | 75mV | ||
Hall Current Sensor |
0～20mA、0～5V | ||
Power consumption | ≤1mW | ||
Overload | It can work at normal status at 1.2 times of full load, and can continued work 1 second at 2 times of full load. | ||
Accuracy class | 0.5class | ||
Pulse constant | Voltage and current specifications：750V 、 300A，Default pulse constant： 100imp/kWh | ||
Voltage and current specifications：1000V、300A，Default pulse constant： 100imp/kWh | |||
Function | Measuring | Voltage、Current、Power | |
Calculate | Current total electricity、Current positive energy、Current reverse power | ||
Multiple rate | Four time zones、two time table、fourteen time points、four multiple rates. (PZ72L-DE support only) | ||
Historical data statistics | Last 12 months of historical electricity(multiple rate electricity).(PZ72L-DE support only) | ||
DI、DO | PZ72 has two digital outputs and two digital inputs, PZ96 has two digital outputs and four digital inputs. DI(Collect and display local switch status information、Realize remote transmission by RS485)、DO(Relay output, can achieve "remote | ||
control" and alarm output) | |||
Display | LCD(the backlight delay time can be adjusted) or LED | ||
Communicati on | RS485、Half duplex、Photoelectric isolation、Modbus-RTU / DL/T645-07、Band:1200/2400/4800/9600、Infrared：1200 | ||
DI、DO | DI | Dry contact input, Meter built-in power supply, photoelectric isolation | |
DO | Two relay outputs, Normally open contact, capacity:2A/30VDC or 2A/250VAC | ||
Working power | Voltage range | 85～265VAC/DC、50/60Hz； | |
Power consumption |
≤2W | ||
Insulation resistance | ≥100MΩ | ||
Power frequency withstand voltage | 3kV/1min（RMS）(between the power supply binding post and the signal binding post) | ||
Environment | Temperature | -20℃～+70℃ | |
Humidity | No condensation, no corrosive gases | ||
Altitude | ≤ 2500m | ||
3.Standard
The product meets the relevant technical requirements of the standard Q/GDW1825-2013 DC power meter specification，GB/T29318-2012 Non-vehicle charging electric energy metering for electric vehicles， Q/GDW364-2009 Single-phase energy meter specification.
4. Free Software
Use our free software to realize reading or setting our power analyzers on computer. (Please download free software on our website)
5. Outline
Acrel Co., Ltd. [Stock Code: 300286.SZ] is one of the few leading companies in China who provides various systematic solutions of power monitoring, power control, energy management and electrical safety for smart grid users.
Since June 2003, we has always been focused on the research, production and sales of intelligent electric meters. We concentrates on providing products and services to help customers improve electricity efficiency and safety. So far we had the following comprehensive solutions for different applications: 35(10)/0.4kV substation automation system, building mounted photovoltaic (BMPV) system, power quality management system, energy management system, electrical fire monitoring system, IT distribution system for medical locations, precise distribution management system, power supply monitoring system for fire protection equipment, fire emergency lighting and evacuate indicating system, fire resistant doorsets monitoring system, smart lighting control system, Lithium battery management system and electric vehicle charging system.
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