The magnetic-free smart water meter's main control uses the N32L43x series general-purpose low-power MCU chip, which includes an LC magnetic-free sensing metering unit. This solution is resistant to magnetic interference, has high sensitivity, low metering power consumption, and can achieve remote meter reading and management functions when paired with NB-IoT and other communication modules.

Technical Specifications:

• Measurement Accuracy: 0.001 m³ • Metering Power Consumption: Static current < 7.5 μA, dynamic current < 11 μA 

• Operating Voltage: 2.8 V – 3.6 V • Operating Temperature: -20 °C – 65 °C

• ESD: Contact 8 kV / Air 15 kV. Functional Features: • The MCU has a built-in LC magnetic-free sensing metering unit, supporting low-power mode metering.

• Supports electromechanical separation alarms. 

• Supports remote automatic meter reading via NB-IoT data module (optional).

• High measurement accuracy, reaching 0.001 m³.

• The solution can pass high and low-temperature testing from -20 °C to 65 °C. • Supports passive LCD display.

• Supports NFC card reading (optional). • Supports battery level monitoring.

Recommended Models:

• N32L436