IM1281 energy meter module single-phase AC power metering energy meter arduino | eBay
DAE AMR Auto Meter Reading Module, RS485, for 16 Water Meters with Pulse Output. – DAE Controls
Energy meter module
Electrical Measurement Arduino | Ac Digital Multifunction Meter - Ac Digital Meter - Aliexpress
dms302 v1 vu meter module | eBay
Ac 80-260v 100a 22000w Digital Voltage Current Power Meter Module 110v 220v Volt Amp Tester Detector Monitor Ttlcoil For Arduino - Current Meters - AliExpress
Residential Meter Stacks | Meter Mounting Equipment | Eaton
Qubino - Z-Wave+ Smart Energy Meter DIN-Module (Qubino Smart Meter ZMNHTD1)