Shanghai Mingkong Sensing Technology Co., Ltd
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    No. 58 Yaojiabang Road, Baihe Industrial Zone, Qingpu District, Shanghai
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MD-S221 digital pressure gauge
The dial orientation can rotate 330 °, supporting Bluetooth mini program and APP configuration parameters
Product details

MD-S221 is a digital pressure gauge with a built-in high-precision pressure sensor that can accurately display pressure in real-time, and has the characteristics of high accuracy and good long-term stability.

This digital pressure gauge is equipped with a large-sized LCD display, which has multiple functions such as reset, backlight, power on/off, unit switching, low voltage alarm, etc. It is easy to operate and easy to install. The dial orientation can rotate 330 °, making it easy for customers to read from the desired angle. The equipment product adopts an integral shell with adhesive coating, which has good seismic resistance and can measure media such as gases, liquids, and oils that are non corrosive to stainless steel. This series of products supports Bluetooth mini programs and APP configuration parameters, including pressure value display, acquisition rate modification, reset operation and other settings. The product comes with an open-source Bluetooth protocol parsing file, making it convenient for customers to conduct secondary development.

MD-S221 digital pressure gauge is suitable for portable pressure measurement, equipment matching, calibration equipment and other pressure measurement fields.


The dial orientation can rotate 330 degrees

Large LCD screen, supporting multiple unit switching

Support multiple functions such as reset, backlight, Bluetooth connection, APP collection, etc

Low power design, 2 AA batteries, 12 months of battery life

The product is aesthetically pleasing, with a fully encapsulated outer shell and a delicate touch


Range:- 0.1~0~0.1...1..60MPa

Overload pressure: 200% FS

Backlight color: white backlight

Exterior dimensions: 143.5 * 75 * 40.5mm

Accuracy level: 0.5%FS,0.2%FS

Long term stability: better than+0.3% FS/year

Working temperature:- 20~65℃

Electrical protection: anti electromagnetic interference design

Measurement medium: Stainless steel non corrosive medium such as oil, water, gas, etc

Pressure interface: M20 * 1.5, G1/4 or custom thread

Joint material: 304 stainless steel

Shell material: TPE+ABS

Product function: Power on/off, backlight reset, unit switching, Bluetooth connection

Power supply voltage: 3V (2 AA batteries)

Battery display: Four segment display

Dial: 330 degree rotatable dial

Pressure unit: MPa、bar、kgf、mH20、PSI、kPa

mmHg、mBAR、mmH2O、Pa、inWC

Protection level: IP54



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