Technical Documentation – Sinotimer SDM009W

The Sinotimer SDM009W is a WiFi smart energy meter with an integrated current transformer (CT), designed for monitoring electrical parameters and energy consumption in real time. The device allows data to be viewed both on the color LCD display and through the Tuya Smart app, providing remote access via the internet.

Thanks to the integrated CT sensor, installation is quick and does not require interruption of the measuring conductor, making it ideal for homes, offices, commercial spaces, and industrial applications.

Main Features

• Energy consumption monitoring via WiFi
• Compatible with Tuya Smart and Smart Life apps
• Integrated current transformer (CT)
• Color LCD display with wide viewing angle
• Real-time monitoring of the following parameters:
  • Power (W)
  • Energy consumption (kWh)
  • Voltage (V)
  • Current (A)
  • Frequency (Hz)
  • Power factor (PF)
• 35 mm DIN rail mounting
• Energy consumption history in the app

Technical Specifications

• Brand: Sinotimer
• Model: SDM009W
• Product type: WiFi smart meter
• Power supply: AC 40–300V
• Measured current: 0–100A
• Maximum measured power: 30,000W
• Energy range: 0–99,999 kWh
• Frequency: 45–65Hz
• Power factor (PF): 0.00–1.00
• Connectivity: WiFi 2.4 GHz
• Compatible app: Tuya Smart / Smart Life
• Current transformer: Integrated (CT)
• CT hole diameter: 10 mm
• Mounting: 35 mm DIN rails

Monitored Parameters

• Active power (W)
• Energy consumption (kWh)
• Voltage (V)
• Current (A)
• Frequency (Hz)
• Power factor (PF)

Smart Functions

• Remote monitoring via the internet
• Real-time display of electrical parameters
• Energy consumption history
• Daily, monthly, and yearly consumption view
• App notifications
• Integration with Tuya automations

Installation

• Mounting on 35 mm DIN rails.
• The power supply is connected to dedicated voltage terminals.
• Only one conductor of the measured circuit (phase or neutral) passes through the hole of the integrated current transformer.
• The direction of the conductor through the hole does not affect measurement accuracy.

Dimensions

• Height: approximately 80 mm
• Width: approximately 54 mm
• Depth: approximately 64 mm

Applications

• Home energy consumption monitoring
• Offices
• Shops
• Workshops
• Commercial spaces
• Electrical panels
• Monitoring the consumption of electrical appliances
• Smart Home automations and systems

Advantages

• Integrated current transformer for quick installation
• No need to interrupt the measuring conductor
• Color LCD display with excellent visibility
• Comprehensive monitoring of electrical parameters
• Control and display via the Tuya Smart app
• Compatible with 2.4 GHz WiFi networks
• Compact size for DIN rail mounting

Compatibility

• Tuya Smart
• Smart Life
• 2.4 GHz WiFi networks

Package Contents

• 1 × Sinotimer SDM009W WiFi smart meter
• Instruction manual

Warnings

• The product operates exclusively on 2.4 GHz WiFi networks.
• The maximum measured current is 100A.
• Installation must be carried out by a licensed electrician in accordance with applicable electrical regulations.