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Bituo Technik

SDM02 / SP Compact Energy Meter

SDM02 / SP Compact Energy Meter

$65.87
$65.87
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Connectivity
Max. Monitoring Current
The SDM02 is a compact smart energy monitor designed for split-phase and two-phase systems. Using two split-core CTs, it provides precise measurement of voltage, current, power, and energy. With integrated wireless communication, it offers effortless integration into smart energy ecosystems.

- Universal Compatibility: Seamlessly fits both UL Split-phase and IEC/UL 2×1P+N systems, making it a versatile choice for diverse electrical setups.
- Real-Time Monitoring: Monitor voltage, current, power, and power factor instantly. Gain actionable insights to optimize your energy usage and reduce electricity bills.
- Bi-Directional Measurement: Perfect for homes with solar panels. Accurately track both the energy you consume from the grid and the power you generate.
- High-Precision Accuracy: Trust your data. Delivers Class 1 active energy measurement accuracy, fully compliant with IEC 61557-12 standards.
- Versatile Connectivity: Choose from various communication options such as Wi-Fi and Zigbee, catering to diverse system integration needs.

 

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Variant Variant total Quantity Price Variant total
Tuya Wi-Fi / 120A
Tuya Wi-Fi / 120A
$65.87/ea		 $0.00
$65.87/ea $0.00
Tuya Wi-Fi / 200A
Tuya Wi-Fi / 200A
$102.69/ea		 $0.00
$102.69/ea $0.00
Tuya Wi-Fi / 100A (UL2808)
Tuya Wi-Fi / 100A (UL2808)
$83.87/ea		 $0.00
$83.87/ea $0.00
Open Wi-Fi / 120A
Open Wi-Fi / 120A
$65.87/ea		 $0.00
$65.87/ea $0.00
Open Wi-Fi / 200A
Open Wi-Fi / 200A
$102.69/ea		 $0.00
$102.69/ea $0.00
Open Wi-Fi / 100A (UL2808)
Open Wi-Fi / 100A (UL2808)
$83.87/ea		 $0.00
$83.87/ea $0.00
Std. Zigbee 3.0 / 120A
Std. Zigbee 3.0 / 120A
$67.65/ea		 $0.00
$67.65/ea $0.00
Std. Zigbee 3.0 / 200A
Std. Zigbee 3.0 / 200A
$104.79/ea		 $0.00
$104.79/ea $0.00
Std. Zigbee 3.0 / 100A (UL2808)
Std. Zigbee 3.0 / 100A (UL2808)
$85.65/ea		 $0.00
$85.65/ea $0.00
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Reset Button

Hold for 3–5 seconds to activate 2.4GHz wireless communication pairing or to reset the configuration.

Product QR code

Contains manufacturing batch information.

Voltage Take-offs Connector

Pluggable terminal for the wire of voltage

Indicator Light

LED Indicator shows device operation and network status through different flashing patterns.

Clamp CT Connector

Pluggable terminal for the wire of current transformer

Clamp CTs

High-precision split-core CTs, calibrated with the main module to meet IEC 61557-12 Class 1 accuracy of active energy.

Technical Information

  • Rated voltage: 110-240 (L-N)/208-240 VAC (L1-L2), 50/60Hz
  • Max monitoring current: 120A / 200A / 100A (UL2808)
  • Over-voltage category: III
  • Rated voltage: 250V
  • Rated impulse withstand voltage: 4kV
  • Pollution degree: 3
  • Protection degree: IP20
  • Measurement accuracy: Class 1 (active energy)
  • Maximum Power consumption: ≤ 2VA
  • Rated operating temperature: -25 to 55 ℃
  • Main module dimension: 42.2×41.6×20mm
  • Clamp CT apertures: Ø16mm (120A) / Ø20mm (200A) / Ø13 mm (100A UL2808)
  • Communication Type: Wi-Fi / Zigbee

FAQ

Does SDM02 SP support bi-directional energy measurement?

Yes. The real energy flowing in the same direction as the energy flow arrow printed on the sensor housingis counted as forward energy.

Can I get a discount if I buy more units?

Yes. For bulk orders, you can refer to our Bulk Sales policy.

If you are interested in becoming a certified reseller, system integrator, or installer, you are also welcome to contact us directly via the email, WeChat, or WhatsApp details provided in the page footer.

How long does it take to ship after placing an order?

Orders are dispatched from our warehouse in Shanghai. Under normal conditions, delivery to most countries worldwide takes around 7–14 days.

What happens to energy data if the internet is disconnected?

The SDM02 SP continues to record cumulative energy consumption locally even when offline. No data is lost — once the internet connection is restored, the device automatically syncs the total accumulated energy to the cloud.

If the offline period is too long, the system may not display smaller time-scale energy data correctly.

How do I set up Wi-Fi for the SDM02 Open WiFi version?

There are three commissioning methods:

1) Using the BT Powerlink App

You can configure the device via Bluetooth using our official mobile app.

2) Using our Windows configuration tool

Wi-Fi credentials can also be provisioned through BLE using our Windows application.

3) Integrating with your own app

If you prefer to configure the device through your own mobile application, please contact us for the BLE API documentation.

Can the SDM02 SP be flashed with custom firmware?

Technically yes. However, westrongly advise againstdoing so, as the device contains high-voltage circuits that pose safety risks during modification.

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