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2021.06.08
Sfere703 Multi-channel monitoring system is a power monitoring system for small power distribution. The integrated current transformer a the top of the measuring module makes the connection of each channel easier. It can measure up to 32 circuits three-phase power system. Install the lower end of the miniature circuit breaker, can realize the functions of real-time measuring of full power, energy metering, power quality analysis, etc. Sfere703 includes a display module Sfere703-D7, a communication module Sfere703-C, a voltage module Sfere703-U, and up to 32 current measurement modules Sfere703-M. Equipped with a 7-inch touch color LCD screen, it is easy to use, compact and easy to install. It is an ideal solution for power monitoring at the MCB end of the distribution box.
Features
Multi-channel measuring
Touch screen
Cost saving
Compact design
Easy to install
Suitable for distribution box
Form
Component | Quantity | Description | |
Model | |||
Display module | SFERE703-D7 | 1 | Display the measured data of the monitoring module and set parameters for it. |
Communication module | SFERE703-C | 1 | It has 2 RS-485 communication interfaces and adopts Modbus-RTU protocol. Interfaces 1 is connected to the display module Sfere703-D, and interfaces 2 is connected to the upper computer;
It has 2 RJ45 Ethernet interfaces and adopts Modbus TCP protocol. |
Voltage module | SFERE703-U | 1 | Three phase voltage signal conversion. |
Measuring module | SFERE703-M | 1~32 | Measure three-phase grid voltage, current, power, frequency, electric energy, harmonics and other parameters. Internal integrated current transformer. |
Power supply module | SFERE703-P | 1 | Provide DC24V power supply for the display module SFERE703-D7. |
Model selection
Function | Sfere703 | |
Real-time measurement | Three-phase voltage | ● |
Three-phase current | ● | |
Split phase and total active/reactive/apparent power | ● | |
Split phase and total power factor | ● | |
Frequency | ● | |
Electric energy measurement | Bi-directional energy | ● |
Four-quadrant reactive energy | ● | |
Split-phase energy | ● | |
Power quality | THDi/THDu | ● |
Fractional harmonic content | 31st | |
Voltage/current sequence component, phase | ● | |
Voltage/current unbalance | ● | |
Voltage crest factor, current K factor | ● | |
Technical Parameters
Sfere703-D7
Parameter | Specification | |
Display method | 7-inch touch LCD screen, resolution 800*480 | |
Interface | Serial port | RS485, 7-pin 485+, 8-pin 485-; Modbus-RTU protocol |
Power supply | Working range | DC 24±20% |
Energy consumption | ≤7W | |
Dimension | L× W x D(mm): 203×149×38.5, opening (mm): 192×138 | |
Sfere703-C
Working environment conditions | |
Operating temperature | -25~70℃ |
Storage temperature | -40~85℃ |
Relative humidity | ≤95%RH, Non-condensing |
Working altitude | ≤2500m |
Display | |
Display method | LED |
Power supply | |
Nominal range | AC/DC 80-270V |
Power consumption | ≤15W |
RS-485 communication interface | |
Communication protocol | Modbus-RTU |
Communication rate | 1200-115200bps |
Data format | N.8.1, N.8.2, E.8.1, O.8.1 |
SBUS communication interface | |
Communication protocol | Modbus-RTU |
Communication rate | 1200-19200bps |
Data format | E.8.1 |
Ethernet interface | |
Communication protocol | Modbus-RTU |
Communication rate | 10 / 100M adaptive, support daisy chain |
Sfere703-U
Working environment conditions | |
Operating temperature | -25~70℃ |
Storage temperature | -40~85℃ |
Relative humidity | ≤95%RH, Non-condensing |
Working altitude | ≤2000m |
Voltage input | |
Range | 3 x 220V |
Frequency | 45-65Hz |
Sfere703-M
Working environment conditions | |
Operating temperature | -25~70℃ |
Storage temperature | -40~85℃ |
Relative humidity | ≤95%RH, Non-condensing |
Working altitude | ≤2000m |
Current input | |
Range | 3 x 5(63)A |
Resolution | 1mA |
Impedance | ≤20MΩ/phase |
Energy consumption | ≤0.2VA/phase |
Overload | Continuous: 1.2In, instantaneous: 10In/5s |
Voltage input | |
Range | 3 x 100mV |
Resolution | 0.1mV |
Overload | Continuous: 1.2Vn, instantaneous: 2Vn/1min |
Frequency | 45-65Hz |
Sfere703 Multi-channel monitoring system is a power monitoring system for small power distribution. The integrated current transformer a the top of the measuring module makes the connection of each channel easier. It can measure up to 32 circuits three-phase power system.
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