main features
By using high-precision sampling measurement units and high-speed MCU data processing units, high-precision and wide range accurate measurement can be achieved.
Adopting modulation and demodulation analog isolation technology based on capacitance effect, the DC voltage and current signals are isolated to 4kV, effectively ensuring the safety of equipment and personnel.
The working power supply can meet the requirements of 176VAC to 264VAC. Suitable power supply modes for various occasions.
Non volatile memory is used to store various types of data, which can be saved for a long time without loss in case of power failure.
Using a clock chip with temperature compensation function to effectively ensure the accuracy of the clock within the working temperature range.
High accuracy, named after the model of the electric energy meter, and strictly produced according to the requirements of the electric energy meter and applied for a measuring instrument license.
major function
Split power consumption and split metering: The product separates the connected live wire into two separate outputs, which can measure the electrical energy of two circuits separately. The voltage, current, power, and power factor of the two circuits can be measured separately, and the maximum current of both circuits can reach 60A.
Malignant load and intelligent recognition: using dedicated metering chips and management chips, embedded with patented core algorithms, cleverly identifying the characteristics of electrical appliances in the dormitory, automatically identifying and implementing on-off for malignant loads.
No need for manual or remote control: Use password protected special commands to separately control the opening and closing, alarm, and power protection of two circuits.
Power limitation and fire prevention: Flexible setting of over power threshold, making tripping judgments and automatically restoring power based on whether the user's electricity consumption exceeds the threshold requirements.
Time sharing management and disciplinary control: Power on and off management is carried out according to the set time period, with flexible multiple time controls to meet the needs of the management department.
Prepaid electricity fees and remote recharge: After the system is bound to the campus card, electricity can be purchased through the campus card, and remote recharge can be completed through the system. In meter billing and recharge commands have strict security encryption mechanisms.
project | TECHNICAL INDEX | |||
Wiring form | Single phase dual circuit, one in and two out | |||
measure | AC voltage | reference voltage | 220V | |
measuring range | 0.8 Un ~1.15 Un | |||
resolution | 0.1V | |||
aca | measuring range | 0.004In~1.2 Imax | ||
Current specifications | 5 (40) A, 10 (40) A 5 (60) A, 10 (60) A |
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resolution | 0.001A | |||
metering | meritorious electric energy |
accuracy class | Level 1, Level 2 | |
resolution | 0.0001 kWh | |||
digital signal | Electric pulse output | 1-channel optocoupler output | ||
Second pulse output | 1-channel optocoupler output | |||
communication | RS485 | interface type | Two wire half duplex | |
Communication speed | 1200bps~9600bps | |||
Statute | DL/T645-2007 | |||
environment | operation temperature | -25℃~+60℃ | ||
working temperature limit | -40℃~+70℃ | |||
relative humidity | ≤ 95% (no condensation) | |||
other | clock | <0.5 seconds/day | ||
Working power supply | Input range: 90% Un~110% Un Power consumption:<1.5W, 10VA |
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size | Length x width x thickness=160mm x 118mm x 71mm | |||
weight | 524g |
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