Digital Pressure Switch DPS3

DPS-301 DPS-310RX L&T compound positive pressure 12 to 24VDC economic high-precision digital pressure switches with color LCD display R NPT G1/8” port

Features

Manufacturer Precision Technology: DPS3 Digital Pressure Switch, manufactured in a China factory - HANUMAN

At HANUMAN, our China factory leads as a manufacturer of digital pressure switches like the DPS3 series. We ensure precision and innovation in every switch we produce, designed for reliable measurements.

Understand the functional features and functions of digital pressure switch

In the fields of modern industrial automation and precision control, digital pressure switches play an increasingly important role. As a leading China Manufacturer, we deeply understand the importance of digital pressure switch in improving production efficiency and ensuring product quality. We will comprehensively introduce all aspects of digital pressure switch

What is Digital Pressure Switch?

Digital pressure switch is an advanced pressure monitoring and control device that converts the detected pressure signal into a digital signal and performs switch control based on a preset threshold. Compared with traditional mechanical pressure switches, digital pressure switches have higher accuracy, better reliability and stronger programmability.

As a professional pressure control equipment factory , the digital pressure switches we produce use advanced sensor technology and microprocessors to achieve precise pressure monitoring and control to meet the needs of various industrial applications.

There are many types of digital pressure switches on the market, which can be mainly divided into the following categories

(1). Standard digital pressure switch: suitable for pressure monitoring and control in general industrial environments.

(2). High-precision digital pressure switch: used in application scenarios that require extremely high precision.

(3). Explosion-proof digital pressure switch: suitable for flammable and explosive environments.

(4). Hygienic digital pressure switch: specially used in industries with high hygiene requirements such as food and medicine.

(5). Multifunctional digital pressure switch: integrated with multiple functions such as temperature monitoring and flow monitoring.

As an experienced manufacturer, our product line covers all these types of digital pressure switches to meet the diverse needs of different customers.

Modern digital pressure switch has many advanced functions

(1). High-precision pressure measurement: Usually the accuracy can reach 0.1% of the full scale or higher.

(2). Digital display: clearly and intuitively displays the current pressure value and set value.

(3). Programmability: Users can set parameters such as pressure threshold and hysteresis value as needed.

(4). Multiple output modes: including switching output (NPN/PNP) and analog output (4-20mA/0-10V).

(5). Communication function: Supports industrial communication protocols such as ModBus and IO-Link.

(6). Self-diagnosis function: able to detect abnormal conditions such as sensor failure and overvoltage.

The digital pressure switches produced in our factory are equipped with these advanced functions to ensure that they can meet the various application needs of customers.

Correct installation and maintenance are important for the performance and life of the digital pressure switch

Installation notes:

- Choose a suitable installation location to avoid harsh environments such as high temperature and strong vibration.

- Make sure the pipe connections are well sealed to prevent leaks.

- Connect the power and signal cables correctly and pay attention to the protection level.

Maintenance recommendations:

- Regularly check whether the display and output of the digital pressure switch are normal.

- Clean the surface of the device, especially the display and buttons.

- Calibrate regularly to ensure measurement accuracy.

- Check consumable parts such as sealing rings and replace them if necessary.

As a professional Chinese manufacturer, we not only provide high-quality digital pressure switches, but also provide customers with comprehensive installation guidance and maintenance support.

Compared with traditional mechanical pressure switches, digital pressure switches have significant advantages

(1). Higher accuracy: The measurement accuracy of digital pressure switches can reach 0.1% or higher, while traditional switches usually only have 3-5%.

(2). Better reliability: There are no mechanical contacts, which reduces mechanical wear and improves service life.

(3). Stronger functions: digital pressure switch has multiple functions such as digital display, programmability, and self-diagnosis.

(4). Wider adaptability: Software settings can be used to adapt to different application needs without the need to replace hardware.

(5). Higher integration: A digital pressure switch can replace multiple components such as traditional pressure gauges and relays.

These advantages make digital pressure switches increasingly popular in modern industrial automation, gradually replacing traditional pressure switches.

Wide application of Digital Pressure Switch in different industries

(1). Manufacturing industry: used for pressure monitoring of various machine tools, injection molding machines, presses and other equipment.

(2). Hydraulic and pneumatic: used for pressure control and safety protection of hydraulic and pneumatic systems.

(3). HVAC: used for refrigerant pressure monitoring, filter clogging detection, etc.

(4). Medical equipment: used for pressure control of ventilators, anesthesia machines and other medical equipment.

(5). Food and Beverage: Used for pressure monitoring of production lines to ensure product quality.

(6). Environmental protection industry: used for pressure monitoring in wastewater treatment, flue gas treatment and other links.

The digital pressure switches produced in our factory are widely used in these fields to help customers improve production efficiency and product quality.

As an industry-leading Chinese manufacturer, we pay close attention to the market trends of digital pressure switches

(1). Intelligent: Integrate AI algorithms to achieve predictive maintenance and intelligent diagnosis.

(2). Internet of Things integration: supports wireless communication to achieve remote monitoring and data analysis.

(3). Miniaturization: Develop smaller and lighter digital pressure switches to adapt to more application scenarios.

(4). Multi-function integration: Integrate multiple measurement functions such as temperature and flow into one device.

(5). Environmental adaptability: Develop digital pressure switches suitable for extreme environments, such as high temperatures, highly corrosive environments, etc.

Our R&D team is actively developing the next generation digital pressure switch to meet these emerging market needs.

As a key component of modern industrial automation, digital pressure switch is promoting technological innovation in all walks of life. As a professional Chinese manufacturer and factory, we know the importance of choosing the right digital pressure switch to improve system efficiency, reduce operating costs and ensure product quality.

Our product line covers various types of digital pressure switches, which can meet the needs of different industries and application scenarios. Through continuous innovation and quality improvement, we are committed to providing our customers with the most advanced and reliable digital pressure switches.

Whether you require a standard digital pressure switch or are looking for a custom solution for a special application, our team of professionals can provide you with the best option. When you choose our digital pressure switch, you will get excellent performance, reliable quality and comprehensive technical support.

As an industry leader, we will continue to invest in research and development, promote the advancement of digital pressure switch technology, and create greater value for global customers. By choosing our products, you will become part of this exciting technological innovation.

 

HANUMAN Services

HANUMAN can offer you with such series of digital pressure switches as DPS-2 universal type, DPS-3 economic type, DPS-5 anti-corrosion type, DPS-6 economic type, DPS-7 IP65 type, DPS-8 IO-LINK type.

The front panel of DPS-3 generally includes locking indicator, output indicator, pressure unit, main display area, up button, set button, down button, electric interface, and pressure interface.

For the pressure interface, there are many port connection types for your choice, including M5 female thread, R1/8″ fitting (M5 female thread), NPT1/8″ fitting (M5 female thread), G1/8″ fitting (M5 female thread), Ø4 mm one-touch straight fitting, Ø6 mm one-touch straight fitting, Ø4 mm one-touch elbow fitting, and Ø6 mm one-touch elbow fitting.

Specifications

Model

DPS-301

(Compound pressure)

DPS-310

(Positive pressure)

Pressure

Rated pressure range

-100 to +100 kPa

-0.1 to +1 MPa

Set pressure range

-100 to +100 kPa

-0.1 to +1 MPa

Proof pressure

500 kPa

1.5 MPa

Fluid

Air, non-flammable gas, non-corrosive gas

Measuring accuracy

±2% F.S. or less (Ambient temperature 25 ℃)

Temperature error

±3% F.S. or less (Temperature range 0 to 50 ℃)

Measuring mode

Single point mode

Hysteresis mode

Window mode

Port size

Optional male thread R1/8”, NPT1/8”, G1/8”, female thread M5

Display

Basic description

LCD display, four digits seven segments of measuring values, with unit and output status

Display mode

Adjustable backlight, four sets in total

Input power supply

Voltage range

12 to 24 VDC, ±10%

Power consumption

40 mA Max. (No load)

Output signal

Transistor output

NPN open collector output, output current 80 mA Max., internal pressure drop 1 V or less; PNP open collector output, output current 80 mA Max., internal pressure drop 1 V or less

Response time

Adjustable: 2.5 ms, 20 ms, 100 ms, 500 ms, 1000 ms, 2000 ms

Short circuit protection

Yes

Environmental resistance

Enclosure

IP40

Operating temperature

Operating 0 to 50 ℃, stored -20 to 60 ℃(No freezing or condensation)

Operating humidity

Operating/stored 35% to 85% RH (No condensation)

Insulation voltage

1000 VAC for one minute between terminals and housing

Insulation resistance

50 mΩ or more (500 VDC)

Impact resistance

100 m/s2 Max., three axles, six directions, each for three times

Vibration resistance

Amplitude 1.5 mm, 10 to 500 Hz, three axles, each for two hours

Cable connector

2000 mm

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