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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

The EM5000 Mechanical Differential Pressure Gauge is widely used for monitoring low pressure and airflow in various industries, including:

  • Medical equipment systems

  • Microelectronics manufacturing

  • Pharmaceutical factories

  • Livestock and agricultural ventilation systems

  • Clean rooms and purification workshops

  • Air filtration and HVAC systems

Description

The EM5000 Mechanical Differential Pressure Gauge is designed for accurate monitoring of low differential pressure and vacuum pressure in industrial and environmental applications. The gauge features a clear mechanical dial with color-coded scales, making it easy to identify pressure ranges and read measurements quickly.

Equipped with a PTFE pointer, the instrument provides excellent overload resistance, short damping time, and high measurement accuracy. The robust nylon and polycarbonate housing ensures strong durability and long service life while maintaining lightweight construction.

The device offers standard pressure connections for easy installation, making it suitable for airflow monitoring in clean rooms, ventilation systems, and industrial equipment. Its stable mechanical design ensures reliable operation with minimal drift over time.

Features

  • High accuracy measurement for positive and negative pressure

  • PTFE pointer design for strong overload resistance and fast response

  • Color-coded dial scale for clear range identification

  • High-strength transparent cover for better protection and visibility

  • Durable nylon and polycarbonate housing

  • Stable performance with long service life

  • Wide measurement range options available

  • Easy installation with standard pressure connections

  • Suitable for airflow, filtration, and clean room monitoring

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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