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+86 189 8978 2810

EM5000 Mechanical Differential Pressure Gauge

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Mechanical differential pressure gauge for low pressure measurement

High precision measurement for positive and negative pressure

PTFE pointer for strong overload resistance and fast response

Color-coded dial scale for easy range identification

Durable nylon and polycarbonate housing

Suitable for clean rooms, ventilation systems, and airflow monitoring

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Application

Medical Equipment

Monitoring low differential pressure and airflow in medical and healthcare equipment.

Microelectronics Manufacturing

Maintaining pressure and airflow conditions in precision manufacturing environments.

Pharmaceutical Facilities

Monitoring pressure differences in pharmaceutical production and controlled areas.

Clean Rooms & Purification Workshops

Monitoring room pressure and airflow to help maintain controlled clean environments.

Ventilation & Air Filtration Systems

Monitoring airflow and differential pressure in HVAC, ventilation, air filtration, and agricultural ventilation systems.

Description

Description Background

The EM5000 Mechanical Differential Pressure Gauge is designed for accurate monitoring of low differential and vacuum pressure in industrial and environmental applications. Its clear mechanical dial with color-coded scales enables quick and easy pressure reading, while the PTFE pointer provides excellent overload resistance, short damping time, and reliable measurement accuracy.

Featuring a durable nylon and polycarbonate housing, the EM5000 combines lightweight construction with excellent durability and long service life. Standard pressure connections allow for easy installation, making it suitable for clean rooms, ventilation systems, air filtration, and industrial equipment where stable and reliable differential pressure monitoring is required.

Features

01DEPENDABLE
Designed for accurate measurement of both positive and negative differential pressure, with excellent stability and reliable performance across a wide range of applications.
High Accuracy & Stable Performance ▶
High Accuracy & Stable Performance
02EFFICIENT
The color-coded scale makes pressure ranges easy to identify, while the high-strength cover provides added protection. Clear graduations ensure quick and accurate readings.
◀ Clear Color-Coded Dial
Clear Color-Coded Dial
03SECURE
The PTFE pointer offers excellent overload resistance, short damping time, and high measurement accuracy for stable and responsive pressure indication.
PTFE Pointer for Reliable Measurement ▶
PTFE Pointer for Reliable Measurement
04CONVENIENT
The robust nylon and polycarbonate housing provides reliable protection and excellent durability, ensuring long-term service in demanding operating environments.
◀ Durable Construction & Long Service Life
Durable Construction & Long Service Life

Technical Details

Product Type:

Mechanical Differential Pressure Gauge

Product Model:

EM5000

Material:

Reinforced Filled Nylon + Polycarbonate

Size:

See attached drawing

Type:

Mechanical Pointer Differential Pressure Gauge

Operating Temperature:

-7°C to 60°C

Measurement Medium:

Air and Non-combustible Compatible Gases

Display Type:

Mechanical Pointer Display

Measurement Principle:

Magnetic Coupling Differential Pressure Measurement

Pressure Type:

Positive Pressure / Negative Pressure / Differential Pressure

Connection Port:

Dual Pressure Ports

Mounting Type:

Panel Mounting

Application:

HVAC, Clean Rooms, Filter Monitoring, Fan and Duct Pressure Measurement

Protection Feature:

Anti-Vibration and Overpressure Resistant Design

Power Supply:

Not Required

Rated Pressure Range:

-68 to 103 kPa

Material:

Reinforced Filled Nylon + Polycarbonate

Connection Type:

Standard 3/16 inch Barbed Connection

Optional Connection:

1/8 inch Standard Pressure Port

Accuracy:

±5% Full Scale at 21.1°C (70°F)

Pressure Range Options:

0–125 Pa 0–250 Pa 0–500 Pa 0–1 kPa 0–3 kPa 0–25 mmH₂O 0–50 mmH₂O

Accessories

We reserve the right to make technical alterations without prior notice.
EM5000 Wiring diagram
Dimension Drawing

What is EM5000 differential pressure gauge used for?

EM5000 is used to measure the pressure difference between two points in a system. It is widely applied in HVAC systems, filter monitoring, clean rooms, dust collectors, air ducts, and gas or non-corrosive media systems.

What type of pressure does EM5000 measure?

It measures: Positive pressure Negative pressure (vacuum) Differential pressure (ΔP)

What industries commonly use this product?

Typical applications include: HVAC systems Air filtration systems Clean rooms Industrial ventilation Dust collection systems Boiler and furnace draft monitoring Gas pipeline pressure monitoring

What media is compatible with EM5000?

It is suitable for: Air Non-corrosive gases (Not recommended for corrosive liquids or aggressive chemical media)

What is the accuracy of EM5000?

The typical accuracy is around ±2% to ±5% of full scale, depending on the selected range and configuration.

What is the operating temperature range?

The working temperature is generally: -20°C to 60°C (standard industrial environment range)

What is the housing material?

The gauge usually uses: Glass-filled nylon or engineering plastic housing Transparent polycarbonate cover for reading protection

How is EM5000 installed?

It is: Panel-mounted or surface-mounted Connected via barbed fittings (commonly 1/8" or 3/16" tube) Installed vertically for accurate reading

Does EM5000 require power supply?

No. It is a pure mechanical differential pressure gauge, so it does not require electricity.

Can EM5000 be used outdoors?

It can be used outdoors if: Protected from direct UV exposure and rain Installed inside a control cabinet or protective enclosure

What pressure range is available?

Different models support multiple ranges, commonly: Low pressure ranges (Pa / mmH₂O level) Medium ranges up to several kPa depending on configuration

What is the main advantage of EM5000?

No power required Simple installation Stable and reliable operation Suitable for long-term industrial monitoring Cost-effective for HVAC and filtration systems

How do I zero or calibrate the gauge?

Some versions support: Mechanical zero adjustment knob This allows easy calibration during installation or maintenance.

What is the difference between EM5000 and digital differential pressure gauges?

EM5000: Mechanical, no power, simple reading Digital versions: Provide display, signal output (4–20mA / RS485), higher accuracy features

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