DR-S281 Bluetooth Digital Pressure Gauge
The DR-S281 represents the next generation of smart digital pressure gauges—combining industrial accuracy, wireless data management, and professional-grade durability. It is an exceptional choice for engineers and technicians who need a high-accuracy Bluetooth pressure gauge with data logging and mobile APP support.
DR-S281 Bluetooth Digital Pressure Gauge
The DR-S281 Bluetooth Wireless Pressure Gauge is a flagship model engineered for high-precision industrial measurement. Built with advanced sensing technology and a rugged design, it combines 0.25%FS accuracy, wireless connectivity, and powerful data-logging functions—making it one of the most reliable and versatile digital pressure gauges for professional use.
Applications
- Hydraulic pressure testing
- Pneumatic systems
- HVAC maintenance and commissioning
- Pump and pipeline inspection
- Factory equipment diagnostics
- Field service technicians
Features
- 0.25%FS high-precision sensor
- Bluetooth connection with mobile APP
- 3000-record data logging
- 11 selectable pressure units
- Backlit LCD + 330° rotatable screen
- Dual AA battery, long-term field use
- Shock-resistant industrial housing
Technical Specs
| Measurement range | -1bar…0bar~0.1bar…1000bar | Stability | ±0.30 %FS (1 year) |
| Medium type | Gas, water, oil, pure liquid | Diaphragm | stainless steel 316L |
| Pressure type | gauge, absolute or sealed gauge | Housing | TPE+ABS |
| Display digits | -19999~19999 | Working temp. | – 20 ℃ ~ + 65 ℃ |
| Overload | 120%(≥10MPa), 150%FS(＜10MPa) | Protection level | IP54 |
| Pressure accuracy | ± 0.2% FS / ± 0.4% FS | Power supply | Battery 2 x AA |
Ordering Guide
| DR-S281 | Digital Pressure Gauge | ||
| Range | -1bar…0bar~0.1bar…1000bar | ||
| [0～X]bar | X: the actual measured pressure | ||
| Code | Notes | ||
| C1 | M20x1.5 male, face type seal | ||
| C2 | M20×1.5 male, waterline seal | ||
| C3 | G1/2 male | ||
| C4 | G1/4 male | ||
| C5 | G1/4 male | ||
| C6 | NPT1/2 male | ||
| C7 | NPT1/4 male | ||
| G | Gauge | ||
| A | Absolute | ||
| S | Sealed gauge | ||
| DR-S281- | [0~1]bar | C5G | the whole spec. |
Outline Construction (Unit: mm)
Range And Units
FAQ
What can I use the DR-S281 Bluetooth Digital Pressure Gauge for?
You can use the DR-S281 to measure pressure in hydraulic systems, pneumatic tools, HVAC service, pump testing, and general industrial applications. It delivers 0.25%FS accuracy, logs up to 3000 records, and connects to your phone for real-time monitoring. This makes it a strong choice for anyone who needs a reliable and easy-to-use digital pressure gauge.
How does the DR-S281 connect to my phone?
The DR-S281 uses Bluetooth Low Energy, so you can quickly pair it with the mobile APP within a 10-meter range. Once connected, you can view live pressure readings, check trend curves, and download all logged data. This simple wireless workflow helps you monitor pressure more efficiently and avoid manual recording.
How long can the DR-S281 store pressure data?
The DR-S281 stores up to 3000 data logs, and you can set the recording interval in seconds or minutes. This gives you flexible long-term monitoring for leak tests, system checks, or performance tracking. With large storage and a clear data structure, you can review and export records whenever you need them.