+86 189 8978 2810

+86 189 8978 2810

EM520 Handheld Digital Differential Pressure Meter

Retail Price Price range: $110.00 through $135.00
Pressure Range
Case Quantity
Minimum :0Maximum :Unlimited

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

share item:
DETAILS

Application

HVAC & Ventilation Systems

Measures differential and low pressure in air ducts, ventilation equipment, fans, and air-conditioning systems to ensure proper airflow and system performance.

Gas Pressure Measurement & Testing

Suitable for measuring and checking gas pressure in pipelines, regulators, valves, and other gas supply systems during installation and routine maintenance.

Filter & Air System Monitoring

Monitors pressure differences across filters, air purification equipment, and clean air systems to identify clogging and assess filter performance.

Automotive Diagnostics & Maintenance

Used for pressure testing and troubleshooting in automotive air intake, exhaust, turbocharging, and other pressure-related systems.

Chemical & Power Industries

Supports low-pressure and differential-pressure measurement, calibration, and equipment troubleshooting in chemical processing, power generation, and other industrial applications.

Description

Description Background

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

01DATA MANAGEMENT
Stores up to 50 measurement records and automatically calculates maximum, minimum, and average values for quick data review and analysis. Stored records can be easily cleared by pressing and holding the record button.
Built-in Data Storage & Statistical Analysis ▶
Built-in Data Storage and Statistical Analysis
02HIGH PRECISION
Equipped with a high-precision pressure sensor for sensitive and accurate measurement of low pressure and differential pressure. It is suitable for applications requiring reliable pressure monitoring and precise measurement results.
◀ High-Precision Pressure Sensor
High-Precision Pressure Sensor
03FAST RESPONSE
Delivers differential pressure readings in approximately 0.5 seconds and supports positive and negative pressure measurement. The external hose connection provides flexible access for pressure testing in different working environments.
Fast 0.5s Measurement Response ▶
Fast 0.5s Measurement Response
04USER FRIENDLY
Features a high-definition backlit LCD display for clear readings in low-light conditions. Automatic power-off and delayed backlight functions improve operating convenience while helping reduce unnecessary battery consumption.
◀ HD Backlit Display & Power-Saving Functions
HD Backlit Display and Power-Saving Functions

Technical Details

Product Type

Digital Micro Pressure Gauge

Measurement Range

Multiple Pa-level ranges available

Accuracy

±3% FS (Micro Pressure)

Resolution

EM510: 0.1 kPa EM520: 1 Pa

Air Velocity Measurement

Supported

Unit Selection

12 pressure units + 2 air velocity units

Air Density Setting

Adjustable

Repeatability

±0.25% FS

Sampling Rate

≈ 0.5 seconds

Pressure Connection

1/8” (3.18 mm) quick connector

Operating Temperature

0 ~ 40°C

Storage Temperature

-10 ~ 60°C

Power Supply

9V battery

Net Weight

163 g

Accessories

We reserve the right to make technical alterations without prior notice.

Similar Products

EPDS Differential Pressure Switch
EPDS Differential Pressure Switch

High-Precision Pressure Control – Accurately monitors air, gas, negative, and differential pressure.

Stable & Durable Performance – Excellent pressure, impact, and temperature resistance for long-term use.

Flame-Retardant Construction – PA6 engineering plastic base and PC housing provide reliable heat and impact resistance.

Reliable Electrical Connection – Reinforced copper contacts ensure secure wiring and excellent conductivity.

Small Stainless Steel Float Switch
Small Stainless Steel Float Switch

1–4 Floats or More — Flexible float quantity options with customizable rod length

Compact & Exquisite — Small size with a space-saving design

Stable & Reliable — Reliable REED switch performance

Easy Installation — Simple structure for quick and convenient installation

EM2000H Digital Micro Differential Pressure Gauge Controller
EM2000H Digital Micro Differential Pressure Gauge Controller

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

EHFS-15 Target-Type Flow Switch
EHFS-15 Target-Type Flow Switch

Water & Dust Resistant – Durable housing for reliable outdoor use.

Premium Materials – Plastic base, brass thread, and 304 stainless steel target plate.

Easy Installation & Wiring – Simple wiring design for quick setup.

Adjustable Alarm Setpoint – Flexible flow threshold adjustment for different applications.

YTN-100BF Full Stainless Steel Pressure Gauge
YTN-100BF Full Stainless Steel Pressure Gauge

Full Stainless Steel Construction — Stainless steel case and connection provide excellent corrosion resistance, durability and sealing performance.

Class 1.6 High Accuracy — High-precision movement delivers accurate and stable pressure readings for demanding applications.

Excellent Vibration & Shock Resistance — Damping liquid absorbs vibration and pulsation, ensuring stable readings in harsh operating environments.

Long Service Life — Premium materials and robust construction provide reliable performance and extended service life under demanding conditions.

EM2000S Digital Differential Pressure Gauge
EM2000S Digital Differential Pressure Gauge

High-precision digital differential pressure measurement with clear real-time LCD display

Multiple pressure unit switching

Suitable for HVAC and cleanroom applications

Fast response with strong anti-interference capability

Tubular thermal resistor
Tubular thermal resistor

Multiple Sensor Options – Supports K-type, E-type, PT100, and CU50 sensing elements to meet different temperature measurement requirements.

Fast & Sensitive Response – High-sensitivity sensing elements provide rapid temperature response and stable, reliable measurement performance.

Durable Stainless Steel Probe – The robust stainless steel probe offers excellent corrosion resistance, mechanical strength, and long service life in demanding environments.

High-Quality Wiring & Customization – Equipped with reliable wires and terminals for stable signal transmission, with probe length, wire length, terminal type, and other specifications customizable.

ECY-80X Digital Pressure Gauge
ECY-80X Digital Pressure Gauge

High-Precision Digital Measurement — Provides accurate and stable pressure readings with a clear LED digital display.

Wide Application Range — Suitable for measuring water, air, oil and hydraulic pressure in various systems.

Easy & Reliable Operation — Compact design with convenient pressure monitoring, ideal for domestic water supply, engineering control and industrial automation.

Stainless Steel Piston-type Flow Switch
Stainless Steel Piston-type Flow Switch

High Sensitivity – Quickly detects fluid flow and flow stoppage.

Durable Construction – Made from high-quality materials for reliable long-term use.

Reliable Signal Output – Detects pipeline flow and outputs stable switching signals.

System Protection – Helps protect pumps, piping, and other fluid control equipment.

ELE-808B ELE-809 Ultrasonic Level Transmitter
ELE-808B ELE-809 Ultrasonic Level Transmitter

It has an IP65 waterproof rating and 0.5% accuracy. Available in models such as ELE-808B and ELE-809 (split type), it is suitable for various liquid level measurement scenarios

✕

Get a Quote


    This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

    Close
    Cart Cart
    Apply coupon
    Subtotal:
    $0.00
    Total:
    $0.00