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+86 189 8978 2810

EM2000H Digital Micro Differential Pressure Gauge Controller

Case Quantity
Minimum : 1 Maximum : 1000

High-precision digital micro differential pressure controller

LCD real-time display with digital filtering technology

Standard 4–20mA output with optional RS485 communication

24V DC powered industrial pressure monitoring device

Multiple pressure unit switching supported

Suitable for HVAC, cleanroom, and negative pressure systems

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Application

Cleanroom Differential Pressure Monitoring

Monitors pressure differences between cleanroom areas to help maintain required cleanliness levels and prevent cross-contamination.

HVAC & Air Ventilation Systems

Measures air pressure differences in HVAC and ventilation systems for efficient airflow control and system monitoring.

Operating Room & Medical Negative Pressure Monitoring

Provides reliable pressure monitoring for operating rooms, isolation areas, and other medical environments requiring controlled negative or positive pressure.

Air Duct & Industrial Ventilation Systems

Monitors differential pressure across air ducts, filters, and ventilation equipment to ensure proper airflow and system performance.

Negative Pressure & Industrial Automation Systems

Suitable for negative pressure environments and automated pressure monitoring systems, with 4–20mA and RS485 communication for remote monitoring and control.

Description

Description Background

The EM2000H Digital Micro Differential Pressure Gauge Controller is a high-precision digital pressure monitoring device designed for cleanroom pressure control, HVAC systems, medical negative pressure environments, industrial ventilation, and differential pressure monitoring. It integrates differential pressure measurement, pressure switch control, transmitter output, and RS485 communication in one compact device.

Featuring a high-definition LCD display and digital filtering technology, the EM2000H delivers accurate real-time pressure readings with excellent stability and anti-interference performance. Powered by an external 24V DC supply, it supports standard 4–20mA output and optional RS485 communication for industrial automation and remote monitoring systems.

Built with a durable aluminum housing and transparent high-strength PC cover, the EM2000H provides reliable protection and clear visibility for long-term operation. It is widely used in cleanrooms, operating rooms, ventilation ducts, medical ambulances, negative pressure systems, and HVAC applications.

Features

01DEPENDABLE
Supports Pa, kPa, mbar, inWC, and mmWC for flexible pressure measurement.
5 Selectable Pressure Units
5 Selectable Pressure Units
02EFFICIENT
Enables convenient data transmission and integration with remote monitoring and industrial automation systems.
RS485 Communication
RS485 Communication
03SECURE
Transparent, durable cover provides clear visibility from multiple viewing angles.
High-Strength PC Cover
High-Strength PC Cover
04CONVENIENT
High-definition LCD display with digital filtering delivers stable, clear, and reliable pressure readings.
LCD Display & Digital Filtering
LCD Display & Digital Filtering

Technical Details

Product Type:

Pressure Gauge Controller

Material:

PA6 Plastic Housing + Aluminum Structure + PC Cover

Size:

120.65*46.32mm

Product Model:

EM2000H

Type:

Digital Differential Pressure Controller / Transmitter

Operating Temperature:

-20°C to +85°C

Accuracy:

±1.0%

Stability:

±1% FS

Power Supply:

10–35 VDC (2-wire system)

Pressure Range:

Up to -0.69 bar

Current Consumption:

Max 38 mA

Output Signal:

4–20 mA, RS485

Measurement Range:

±3000Pa

Display:

LCD digital display

Measurement Medium:

Air and non-flammable compatible gases

Weight:

211.6 g (net weight)

Temperature Stability:

±0.055% FS/°F

Installation:

Vertical

Pressure Units:

Pa / kPa / mBar / in.WC / mmWC

Connection Type:

Φ8 × 5 hose connection

Accessories

We reserve the right to make technical alterations without prior notice.
EM2000H Differential Pressure Gauge User Manual

What is the EM2000H used for?

The EM2000H is used to measure differential pressure of air and non-flammable gases, commonly applied in HVAC systems, cleanrooms, and medical environments.

What output signals does the EM2000H support?

It supports RS485 communication and 4–20mA output, allowing easy integration with PLC or automation systems.

What is the accuracy of this differential pressure gauge?

The accuracy is ±1% FS, ensuring reliable and stable measurement results.

What media can it measure?

It is suitable for air and non-combustible compatible gases only.

Does it support multiple pressure units?

Yes, it supports Pa, kPa, mbar, in.WC, and mmWC, which can be switched freely.

Can the measurement range be adjusted?

Yes, the EM2000H supports adjustable range settings, making it suitable for different applications.

What power supply is required?

The device requires 10–35V DC power supply (typically 24V DC).

Does it have alarm or control functions?

Yes, it supports upper and lower limit alarms and switching functions, enabling pressure control applications.

How is the product installed?

It supports flush mounting and surface mounting, and should be installed vertically for best accuracy.

Can it be used in corrosive environments?

No, it is not recommended for corrosive gases or liquids unless specially protected.

What accessories are included?

It usually includes: Mounting screws Hose and connectors User manual

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