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Sfere Series Power Quality Monitor

Sfere series power quality monitor can precisely detect various commonly-used electrical parameters, and it also has other scientifically designed functions, including digital communication, off-limit alarming, switching status monitoring, pulse output, analog output, etc.

This product is widely used in industry, intelligent building, energy management system, public facility and other fields. In addition, our product is equipped with many I/O modules, which makes the application range even larger.

Technical Parameters
Item Data
Accuracy Electric Quantity Sfere100, Sfere100A, Sfere100B, Sfere200, Sfere300 Sfere400
0.20% 0.10%
Power Active Power 0.5S 0.2S
Reactive Power Class 2
Signal Input Wiring Mode Single phase, 3-phase 3-wire, 3-phase 4-wire
Voltage Rated Value AC 100V, 400V
Overload Continuous: 1.2×rated value
Instantaneous: 2×rated value
Power Consumption <1VA for each phase
Impedance >1MΩ
Current Rated Value 1A, 5A
Overload Continuous: 1.2×rated value
Instantaneous: 10×rated value/3 seconds
Power Consumption <0.4VA
Impedance <20mΩ
Frequency 50/60 Hz
Power Supply Range 100-415V AC, 100-350V DC
Frequency 50/60 Hz
Power ≤10VA
Output Pulse Output Optical coupler output, and the pulse width is 80ms±20%
Relay Output Capacity: AC250V/5A or DC30V/5A
Isolation voltage between contact and coil: 2500VAC (rms)
Analog Output Accuracy: 0.5%
Load resistance: ≤350Ω
Input Digital Input Passive optical coupler isolated input, and the isolation voltage is 2000VAC (rms)
Communication RS485 Port Protocol: ModBus-RTU
Communication speed: 1200~19200bps
Odd parity error detection, even parity error detection, and no error detection is applied.
Mechanical Property Dimension Display panel: 96×96 mm
Installation hole: 91×91 mm
Entire depth: 65 mm (without module)
Module thickness: 20 mm
Working Condition IP Rating IP66 for display panel
IP20 for the shell
Operation Temperature Sfere100 Sfere200, Sfere300, Sfere400
-40~70℃ -25~70℃
Storage Temperature -40~85℃ -40~85℃
Rated Humidity 5~95% (non-condensing at 50℃)
Pollution Degree 2
Measuring Category CAT III
Insulation Property Resistant between signal/power supply/output and shell: >100MΩ
Voltage between signal, power supply and output: >2kVAC
Electromagnetic Compatibility Superior than level III

1. This power quality monitor supports various communication protocols including Moudbus-RTU,Profibus-DP, Modbus/TCP as well as IEC60870-5-101/104, and it also supports GPRS.
2. Our product can measure all the electrical parameters, such as three-phase voltage, three-phase current, neutral current, power, etc.
3. Along with the measurement function, there are many other functions available. For example, power quality analysis, demand recording, peak recording, SOE logging, digital input, relay output, multi-rate function, bi-directional electricity calculation, four-quadrant electricity metering, fundamental frequency electricity measuring, automatic data recording, power grid waveform and load curve revealing, etc.
4. Modularized expansions of digital input, relay output and analog output are also realized.
5. Our power quality monitor is equipped with a LCD display, and it contains two languages, Chinese and English. Additionally, the IP rating of front panel is IP66.

Product Model

Sfere Series Power Quality Monitor

Sfere Series Power Quality Monitor 1

Related Names
Power Quality Analyzer | Electric Power System Management Device | Electrical Tester

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