Welcome to Ivy Metering!
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LoRaWAN Energy Meters
1 Phase Energy Meter
3 Phase Energy Meter
DC Energy Meters
MID Certified Meters
RS485 Bidirectional Meters
GPRS Energy Meters
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Ct-type Energy Meter
LoRaWAN Electricity Meter
Smart EV Charge Modules
Gateways
Industrial Energy Metering
EV Charging Metering
Solar Energy Metering
LoRaWan Smart Metering
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2022-2023
2020-2021
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Technical Support
FAQ
Lolita & Swimming Pool Party
On August 12th, IVY METERING held Lolita & Swimming Pool Party to stimulate employees' enthusiasm for work, increase the cohesion of Tuantuan push, enhance the company's team spirit, and join hands to create a better tomorrow.At noon, the staff set out for Moganshan, talking and laughing all the way, after an hour's drive, we came to the Moganshan
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 the difference between M-Bus and MODBUS communication ?
M-Bus Communication: M-Bus is a communication protocol used between meters and the central data collection system or Pre-Payment unit. Widely used on new projects where the building infrastructure can be designed accordingly.M-Bus is available on a wide variety of gas, heat, electricity, and cold/hot water meters.
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.
Frequency Plan of Lorawan (Electricity Meter)
As an lorawan electricity meter factory and supplier, we also learn the frequency plan of countries from the website of the things network, Frequency Plans by Country | The Things Network (for your references)
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