
EM520 Handheld Digital Differential Pressure Meter
EM520 handheld digital differential pressure meter with high-precision sensor
Measures positive, negative, and differential pressure
Supports multi-unit conversion for flexible usage
Data logging function for recording measurements
Capable of airflow measurement for extended applications
Ideal for HVAC systems, industrial testing, and maintenance
Application
Widely used in gas pressure measurement, calibration, and troubleshooting across multiple industries:
HVAC and ventilation systems
Pipeline pressure testing
Filter and air system monitoring
Automotive diagnostics and maintenance
Chemical and power industries
Description
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.
Features
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






















