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MID Energy Meter
LoRaWAN Electricity Meter
Lorawan Energy Meter
GPRS Electricity Meter
Wifi Energy Meter
RS485 Modbus Meter
DC Electricity Meter
Prepaid STS Meter
Bidirectional Energy Meter
Smart EV Charge Module
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EV Charging metering
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LoRaWan Smart Metering
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GPRS 4g smart metering
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FAQ
Frequency Band & LoRaWAN Meter
LoRaWAN specifies 10 regional parameter standards (LoRa node development - LoRaWAN parameter standards in different regions), but some countries or regions have more than one ISM band, so multiple regional parameter standards can be used in some countries or regions. The available frequency bands in some countries or regions are as follows:
MID & Eichrecht - compliance of EV chargers
Note that so-called 'PTB compliant' chargers actually comply with the German calibration law (Eichrecht). Eichrecht = compliance with MID + “customer protection”: the customer must be able to check charge session data hours/days/months after the actual session...
What is Four Quadrant Metrology?
P—active energy; Q—reactive energy; QL—inductive reactive energy; QC—capacitive reactive energy; S—apparent power Forward active power: P=UICOSΦ, where the range of Φ is within ±90°. Reverse active power: P=UICOSΦ, where Φ ranges from 90° to 270° Forward reactive power: P= UISINΦ, where the range of Φ is within 0~180°...
What are the differences between RS232, RS485, RS422 and RJ45 interfaces
RS-232, RS-422 and RS-485 are serial data interface standards.
Undirectional and Bi-directional Meter in Solar System
Previously, IVY have introduced bi-directional meters. Therefore, some customers contact us to know if we have other types of energy meters for solar energy system. The answer is YES. Based on different working way of solar panels, IVY can provide corresponding metering solutions. Let's take a look!
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