Digital Differential Pressure Measuring Instrument Testo 512-1
Compact differential pressure measuring instrument for precise pressure checks up to 200 hPa with smart app connectivity.
| Brand | Testo |
|---|---|
| Model | Testo 512-1 |
| Measuring range | 0 to +200 hPa |
| Overload | ±500 hPa |
The Testo 512-1 digital differential pressure measuring instrument offers a compact and versatile solution for quick, accurate pressure measurements up to 200 hPa. Designed for professionals in HVAC, combustion, and industrial applications, it excels in tasks such as checking gas flow and static pressure on burners, monitoring filters, and conducting Pitot tube measurements in ventilation systems.
Its integrated piezoresistive pressure sensor delivers high-precision readings across a wide range — with fine resolution down to 0.001 hPa for low-pressure applications — and operates reliably in any position, ensuring flexibility and consistent results on-site.
What sets the testo 512-1 apart is its Bluetooth connectivity with the testo Smart App, turning your smartphone or tablet into a second display and data logger. Through the app, users can configure the instrument, visualize live measurement curves, store and export data, and even create and email reports on site. It also provides a structured way to manage customers and measuring locations, streamlining workflows.
With a lightweight yet durable design, the testo 512-1 features an easy-to-read display, audible alarms, and a long battery life of up to 120 hours, ensuring dependable operation during extended field work. The housing is made from robust ABS and TPE materials, rated to IP40 protection, and suitable for temperatures ranging from -20 to +50 °C.
The device comes complete with a transport bag, silicone connection hose, calibration protocol, and 3 AA batteries, so you’re fully equipped for professional pressure measurement from day one.
Whether you’re in service, commissioning, or maintenance, the Testo 512-1 provides the precision, portability, and smart functionality you need for efficient differential pressure monitoring.

