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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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4.1 ★★★★★
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Product Reviews
★★★★★ 5
Privacy
Color: Gray, Size: 72" wide, 66" Tall
Sturdy. Is a good divider
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 16, 2026
★★★★★ 4
Okay for privacy, not a sound wall
Color: Gray, Size: 72" wide, 66" Tall
Ordered this for a home office, it is easy to put the panels together, one man job. They look nice, stand up well, and gave privacy and seperation. You can tack a white board to them.
These panels have absolutely no sound reducing properties that I can ascertain, so if you are ordering them as 'accoustic" type panels you will probably be disappointed.
For making a cubicle they perform well.
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Reviewed in the United States on April 19, 2021
★★★★★ 5
Noise control
Color: Dark Gray, Size: 72" wide, 66" Tall
Great for office spaces that are close together. Easy to install and easy to move. Very well made. Great value. Easy to move around.
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Reviewed in the United States on August 12, 2025
★★★★★ 1
I DO NOT RECOMMEND
Color: Dark Gray, Size: 72" wide, 66" Tall
I got this primarily for the acoustic wall feature but it does not block any sound whatsoever. It's just a mobile, overpriced wall. The only privacy it provides it blocking you from view but the same could be done with some cardboard for a fraction of the price.
Not only is it not as described but they are requiring that I pay not only to ship it back for return but is also requiring that I pay for the shipping label. So I will be paying around $150 to get my $400 refund. Unacceptable. DO NOT BUY
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Reviewed in the United States on March 14, 2025
★★★★★ 5
These work great for home office.
Color: Gray, Size: 24" wide, 66" Tall
I was looking for something to block background for a home office, so I wouldn't have to use the distracting background filters. These work great and give my backdrop a more professional appearance. They are very easy to install. The box arrived with a few shipping holes, but packaging was sufficient to avoid any product damage.
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Reviewed in the United States on September 18, 2023