Widely used in gas pressure measurement, calibration, and troubleshooting across multiple industries:

• 暖通空调和通风系统

• Pipeline pressure testing

• Filter and air system monitoring

• Automotive diagnostics and maintenance

• Chemical and power industries

The EM520 Digital Differential Pressure Meter is a professional-grade handheld device engineered for accurate micro-pressure and differential pressure measurement. Equipped with a high-sensitivity pressure sensor, it delivers fast response (0.5s) and reliable readings for both positive and negative pressure applications.

Designed for portability and efficiency, the device features a backlit LCD display, intuitive controls, and a durable TPU protective case. It supports data storage (up to 50 records) with max/min/average calculation, eliminating the need for manual recording.

With multi-unit switching, airflow measurement capability, and intelligent functions such as auto shut-off and overpressure alert, the EM520 is an essential tool for engineers, technicians, and maintenance professionals.

• High precision measurement (±0.3% FS)

• Differential / positive / negative pressure measurement

• Fast response time (0.5 seconds)

• Data storage (up to 50 records with max/min/avg)

• Data hold & lock function

• One-key zero calibration

• Overpressure warning function

• Backlit LCD display for low-light environments

• Auto power-off for energy saving

• Multi-language interface (Chinese/English)

• Multi-unit switching (pressure + airflow units)

• Airflow measurement function (EM520 only)

• Portable handheld design with protective case