In industrial automation and process control systems, accurate differential pressure measurement is essential for monitoring filters, air systems, and fluid performance. The EM2000 Series differential pressure gauges from ELECALL provide a complete range of mechanical and digital solutions for air and non-corrosive gas applications.
The series includes multiple models:
- EM2000 Mechanical Differential Pressure Gauge
- EMS2000 Mechanical Differential Pressure Gauge (ABS + Aluminum Alloy Housing)
- EM2000S Digital Differential Pressure Gauge
- EM2000H Digital Differential Pressure Gauge Controller
- EM2000M Digital Differential Pressure Gauge
Each model is designed for different monitoring, control, and industrial automation requirements.
What Is the EM2000 Differential Pressure Gauge?
The EM2000 series is designed to measure low differential pressure between two pressure points. It is widely used in:
- HVAC air duct systems
- Air filtration systems
- Clean room pressure monitoring
- Fan and blower systems
- Industrial ventilation systems
Depending on the model, the EM2000 series can provide mechanical indication, digital display, analog output, or communication functions.
EM2000 Mechanical Series (EM2000 / EMS2000)
The mechanical models use a diaphragm sensing structure combined with a pointer display, allowing real-time pressure monitoring without external power.
Key Features
- No power supply required
- Diaphragm-based high sensitivity measurement
- Clear analog pointer display
- Stable performance for continuous operation
- Suitable for air and non-corrosive gases
Difference Between EM2000 and EMS2000
EM2000
The EM2000 uses a full aluminum alloy housing, providing higher mechanical strength and better durability for industrial environments.
It is suitable for:
- Industrial ventilation systems
- HVAC equipment
- Dust collection systems
- Industrial air pressure monitoring

EMS2000
The EMS2000 is an economical version using an ABS + aluminum alloy housing design.
While maintaining reliable differential pressure monitoring performance, it offers a more cost-effective solution for general applications.
Compared with the full aluminum alloy structure, the EMS2000 offers:
- Lighter weight
- Lower cost
- Suitable for standard HVAC applications
Typical applications include:
- Air duct pressure monitoring
- Air filter monitoring
- Ventilation systems
- General industrial air pressure detection

EM2000S Digital Differential Pressure Gauge
The EM2000S is a digital differential pressure gauge with LCD display and analog output capability.
Key Features
- LCD digital display
- 4–20mA analog output
- High measurement accuracy
- Adjustable pressure range
- Suitable for PLC integration
It is ideal for continuous monitoring and industrial automation systems.

EM2000H Digital Differential Pressure Controller
The EM2000H integrates pressure measurement, alarm, and communication functions.
Key Features
- RS485 communication interface
- High and low pressure alarm function
- Digital parameter settings
- 4–20mA output support
- Multi-function control integration
It is suitable for smart industrial systems and remote monitoring applications.

EM2000M Multi-Output Differential Pressure Gauge
The EM2000M is designed for advanced industrial automation systems requiring multiple output signals.
Key Features
- 4–20mA current output
- 0–10V voltage output
- Digital display
- Multi-signal integration capability
- Strong system compatibility
It is ideal for industrial control systems requiring simultaneous monitoring and signal transmission.

Working Principle
The EM2000 series operates using a diaphragm pressure sensing structure:
- High and low pressure enter separate ports
- The diaphragm reacts to the pressure difference
- Mechanical or electronic sensors convert movement into signals
- The pressure value is displayed or transmitted
This structure provides stable performance even under low differential pressure conditions.
Applications
The EM2000 series is widely used in:
- HVAC systems
- Clean rooms
- Air filter monitoring
- Industrial ventilation systems
- Dust collection equipment
- Fan and blower systems
- Industrial process control
Why Choose ELECALL EM2000 Series
ELECALL specializes in industrial automation instrumentation and pressure monitoring solutions.
The EM2000 series provides:
- Reliable diaphragm sensing technology
- Durable industrial housing design
- Multiple display and output options
- Long-term stable operation
- OEM/ODM customization support
Conclusion
The EM2000 series offers a complete solution from mechanical indication to intelligent digital monitoring and control.
Whether you need a basic mechanical gauge, digital monitoring, alarm control, or advanced multi-output integration, the EM2000 series delivers reliable performance for industrial pressure monitoring systems.





