SKU: 40918429447

BDD CJMCU5837 WATER PRESSU SENSO

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Description

BDD CJMCU5837 WATER PRESSU SENSOCJMCU 5837 MS5837 02BA01 Water Pressure Sensor Measurement Module I2C, 3 5V, 0 TO 30 Bar Water Pressure Sensor Measurement Module Overview This pressure sensor uses the MS5837 30BA which is a new generation of high resolution pressure sensors with I2C bus interface for depth measurement systems with a water depth resolution of 2 mm. The sensor module includes a high linearity pressure sensor and an ultra low power 24 bit ADC with internal factory

CJMCU-5837 MS5837-02BA01 Water Pressure Sensor Measurement Module I2C, 3-5V, 0 TO 30 Bar

Water Pressure Sensor Measurement Module

Overview

This pressure sensor uses the MS5837-30BA which is a new generation of high resolution pressure sensors with I2C bus interface for depth measurement systems with a water depth resolution of 2 mm. The sensor module includes a high linearity pressure sensor and an ultra-low power 24 bit ΔΣ ADC with internal factory calibrated coefficients. It provides a precise digital 24 Bit pressure and temperature value and different operation modes that allow the user to optimize for conversion speed and current consumption. A high resolution temperature output allows the implementation in depth measurement systems and thermometer function without any additional sensor. The MS5837-30BA can be interfaced to virtually any microcontroller. The communication protocol is simple, without the need of programming internal registers in the device. The gel protection and antimagnetic stainless steel cap make the module water resistant. This new sensor module generation is based on leading MEMS technology and latest benefits from MEAS Switzerland proven experience and know-how in high volume manufacturing, which has been widely used for over a decade.

Features

  • High-Resolution Depth Tracking: Delivers an RMS resolution of 0.2 mbar, allowing microcontrollers to resolve water depth changes down to 2 mm.
  • Deep Water Capability: Measures absolute pressure from 0 to 30 bar, enabling deployment at depths up to 300 metres underwater.
  • 24-bit Digital Output: Features an on-board ∆∑ ADC that feeds factory-calibrated, uncompensated 24-bit pressure and temperature data directly over I2C
  • Ruggedized and Waterproof: Protected by an anti-magnetic stainless steel cap and a specialized dielectric gel fill to shield the internal MEMS elements from water and moisture. 

Specifications

  • Power: 3-5V
  • Communication: I2C
  • High-resolution module 0.2 mbar
  • Fast conversion down to 0.5 ms
  • Low power, 0.6 µA (standby < 0.1 µA at 25°C)
  • Operating range: 0 to 30 bar, -20 to +85°C

Operational Notes

  • Calibration Data: Every individual module contains 6 factory-calibrated coefficients stored inside its internal PROM. Your microcontroller software must pull these coefficients during initialization to accurately calculate compensated temperature and depth values.
  • Submersion Constraints: While water-resistant, it is highly recommended to design an external mechanical enclosure with an O-ring (typically 1.8mm x 0.8mm) to safeguard the electrical traces on the CJMCU breakout board itself.
  • Drying Cycles:, Gel-covered pressure sensors should ideally be allowed to dry periodically out of water to prevent long-term saturation drift. 

These sensors use gel-covered sensing elements that must be dried for at least 2 hours each day to maintain accuracy. Long-term submersion may damage the sensor.

Additional Information

Device Sensor Measurement Module
Shipping Notes
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Exchange/Return Notes
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  • Final sale items are not eligible for returns or exchanges.
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SKU: 40918429447

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Stacie
Massapequa, US
★★★★★ 4
Cute storage shelf.
Size: 12 cube
This is particle board, as expected for the price. Instructions were easy to follow. I assembled it alone but there was one step that would have been easier with 2 people. I have a better Allen wrench attachment than the one included and it saved my fingers a lot of pain. It's cute when assembled. The openings are 10.5x10.5x11 inches so 11x11x11 inch baskets don't fit but you can find 10.5 inch baskets that work. It's very sturdy and the way it's constructed, the shelves shouldn't ever droop. It's a good value for the money. It's perfect for my sewing room.
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Reviewed in the United States on May 23, 2026
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Lanette M Danburg
Whiting, US
★★★★★ 5
Love
Size: 8 cube
Easy to put together and follow along with directions. All the nuts ,bolts, screws etc are all in their own pouch and labeled.
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Reviewed in the United States on May 23, 2026
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Angie
Draper, US
★★★★★ 3
Hard to assemble but cute
Size: 8 cube
Very cute shelf but very hard to assemble!
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Reviewed in the United States on May 7, 2026
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Terri Rutter
Cuba, US
★★★★★ 4
Smaller than expected.
Size: 8 cube
The directions were complicated with only image directions. One person can put this together. It took me about an hour. The item is smaller than I expected. The image is misleading. Definitely not waist high for an adult. More like thigh height. Guess I should have paid more attention to the measurements instead of the image. It looks nice when assembled. For the price I expected something taller.
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Reviewed in the United States on May 24, 2026
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Destrey
Bozeman, US
★★★★★ 5
Great for the price — OffiGo 8 Cube Organizer Bookcase, Modern Farmhouse
Size: 8 cube
I bought this for myself after reading about it online, and it's been pretty solid so far. It works as advertised for daily use and fits into our routine well. The build/quality feels good for the price, though I noticed a minor issue that you should be aware of.
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Reviewed in the United States on May 19, 2026

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