CJMCU-MS5540CM Digital Pressure Sensor Module Waterproof 100m | MS5540C

Description CJMCU-MS5540CM MS5540C Digital Pressure Sensor Module Waterproof 100m Product Description The CJMCU-MS5540CM Digital Pressure Sensor Module is a high-precision, waterproof pressure and temperature sensor designed for underwater and environmental monitoring applications. With a measurement range of 10 to 1100 mbar, resolution of 0.1 mbar, and temperature resolution of 0.01°C, it is ideal for altimeters, depth gauges, weather stations, and diving projects. This compact sensor features a piezoresistive silicon microsensor, a 16-bit ADC, and supports SPI and 3-wire serial interfaces for reliable digital communication. Its ultra-low power consumption (<5 µA) and operating voltage of 2.2V–3.6V make it suitable for battery-powered systems. Waterproof up to 100 meters depth, the MS5540C module ensures durability and precision in harsh environments. Features ✅ Pressure Range: 10 – 1100 mbar (absolute pressure) ✅ Resolution: 0.1 mbar (pressure), 0.01 °C (temperature) ✅ Sensor Core: Piezoresistive silicon microsensor ✅ Interface: 16-bit ADC, SPI, 3-wire serial interface ✅ Calibration: 6 stored parameters for software compensation ✅ Waterproof: Up to 100 meters depth ✅ Low Power: <5 µA current consumption ✅ Operating Temperature: -40 °C to 85 °C ✅ Compact Size: Sensor 6.2 × 6.4 mm, module board 18 × 16 mm ✅ RoHS compliant & Pb-free Specifications Operating Voltage: 2.2V – 3.6V System Clock: 32.768 kHz Module Dimensions: 18 mm × 16 mm Environmental Rating: RoHS & Pb-free Package Includes 1 × CJMCU-MS5540CM MS5540C Digital Pressure Sensor Module