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Xi 'an Qinwei Instrument Factory (General Partnership Enterprise)

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China High Precision Digital Pressure Gauge Explosion Proof For Industrial Automation
China High Precision Digital Pressure Gauge Explosion Proof For Industrial Automation

  1. China High Precision Digital Pressure Gauge Explosion Proof For Industrial Automation
  2. China High Precision Digital Pressure Gauge Explosion Proof For Industrial Automation
  3. China High Precision Digital Pressure Gauge Explosion Proof For Industrial Automation
  4. China High Precision Digital Pressure Gauge Explosion Proof For Industrial Automation

High Precision Digital Pressure Gauge Explosion Proof For Industrial Automation

  1. MOQ: 1Set
  2. Price: Negotiable
  3. Get Latest Price
Payment Terms Western Union,T/T,D/P,D/A,L/C
Supply Ability 100PCS/Month
Delivery Time 5-8 work days
Packaging Details Carton
Electrical Connections DIN43650 Plag Connector
Medium Compatible Compatible with 316L Stainless Steel
Switch Type Pressure Switch
Electrical Connection M12 Connector
Pressure Type Gauge/Absolute/Differential
Protection Rating IP67
Diaphragm Material Stainless steel 316L
Max Off 5.0,8.0,11.0,16.0 Bar
Electric Connection M20 * 1 . 5 male
Features Sturdy Painted Steel
Brand Name QINWEIYB
Model Number SZY-40
Place of Origin China

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms Western Union,T/T,D/P,D/A,L/C Supply Ability 100PCS/Month
Delivery Time 5-8 work days Packaging Details Carton
Electrical Connections DIN43650 Plag Connector Medium Compatible Compatible with 316L Stainless Steel
Switch Type Pressure Switch Electrical Connection M12 Connector
Pressure Type Gauge/Absolute/Differential Protection Rating IP67
Diaphragm Material Stainless steel 316L Max Off 5.0,8.0,11.0,16.0 Bar
Electric Connection M20 * 1 . 5 male Features Sturdy Painted Steel
Brand Name QINWEIYB Model Number SZY-40
Place of Origin China
High Light High Precision Digital Pressure GaugeDigital Pressure Gauge Explosion ProofAutomation Digital Pressure Gauge
Digital Pressure Gauge

A digital pressure gauge is an instrument that measures the pressure of gases or liquids using sensors and digital display technology. It features intuitive readings, high precision, strong anti-interference ability, and is widely used in industrial automation, laboratories, petrochemicals, power, medical and other fields.

Working Principle

A digital pressure gauge converts pressure signals into electrical signals through pressure sensors (such as diffused silicon, ceramic, strain gauges, etc.), amplifies and performs A/D conversion, and then processes the signals by a microprocessor. The final value is displayed on an LCD screen.

Core Functions and Features
  1. High Precision and Stability

    The accuracy grades of digital pressure gauges are commonly 0.5, 0.25, and 0.1. Some models can achieve an accuracy of 0.05 or even 0.02, making them suitable for precise measurement and calibration scenarios. They are equipped with built-in temperature compensation technology to minimize the impact of ambient temperature on measurement results.

  2. Intelligent Functions

    • Data Recording and Communication: Supports RS485 and 4-20mA output, allowing connection to PLC or DCS systems for remote monitoring.
    • Peak Value Recording: Captures the instantaneous maximum pressure, ideal for pressure resistance testing.
    • Automatic Calibration and Zero Point Correction: Some models support user self-calibration, reducing maintenance costs.
  3. Durability and Safety

    • Made of stainless steel or designed for explosion-proof (e.g., ExiaIIBT4), suitable for corrosive or flammable and explosive environments.
    • Long battery life (up to 5-8 years), with low power consumption for long-term on-site use.

Digital pressure gauges can be classified into several types based on their functional characteristics and application environments, with each type catering to different needs:

Type Core Features Typical Application Scenarios
Ordinary Digital Pressure Gauge Only has pressure display function, medium accuracy (±0.5% to ±1.0% FS), low cost Civilian fields (such as water pressure monitoring in tap water systems, gas pressure in households), non-critical industrial auxiliary measurement.
Intelligent Digital Pressure Gauge Supports data storage (can store over 1000 groups of data), remote communication (RS485/Bluetooth), alarm output Industrial automation (such as real-time monitoring of pipeline pressure, pressure data traceability of equipment), smart water management.
Explosion-proof Digital Pressure Gauge Has explosion-proof housing design (conforming to standards like Ex d IIB T4 Ga), resistant to vibration and corrosion Flammable and explosive environments (such as pressure measurement in oil refineries, chemical reactors, and underground coal mine equipment).
Precision Digital Pressure Gauge High accuracy (±0.05% to ±0.1% FS), high resolution, supports calibration function Laboratory calibration (as a standard gauge to calibrate ordinary pressure gauges), medical equipment (such as pressure control in ventilators).
Miniature Digital Pressure Gauge Small size (diameter ≤ 30mm), lightweight, suitable for installation in confined spaces Electronic devices (such as hydraulic systems in drones), small household appliances (such as pressure monitoring in coffee machines).
Typical application scenarios
  1. Industrial automation: Pipeline pressure monitoring, hydraulic system control.
  2. Laboratory and calibration: Used as a standard gauge to calibrate other pressure instruments.
  3. Special environments:

    • Explosion-proof settings: Explosion-proof digital pressure gauges are used in chemical plants and oil refineries.
    • Medical equipment: Precise measurement in ventilators, blood pressure monitors, etc.
  4. Leak detection: Monitoring abnormal pressure in HVAC systems and natural gas pipelines.
Maintenance and Precautions
  • Regular Calibration: It is recommended to calibrate once a year to ensure accuracy.
  • Avoid Overloading: The working pressure should not exceed two-thirds of the range to prevent sensor damage.
  • Environmental Requirements: Avoid strong electromagnetic interference. Anti-interference models should be selected if necessary.
Future Development Trends
  • Intelligent Upgrade: Integrated with IoT modules (NB-IoT, LoRa), enabling cloud storage of pressure data and remote monitoring, and supporting automatic fault alarm;
  • Low Power Consumption Design: Utilizing ultra-low power consumption sensors and MCUs, battery-powered models can operate for 1 to 2 years without battery replacement;
  • Multi-parameter Integration: Simultaneously measures pressure, temperature, and flow rate, and some models can detect medium viscosity, meeting the demands of complex scenarios;
  • Material Innovation: Employing ceramic sensors or graphene materials, enhancing corrosion resistance and sensitivity, suitable for harsher media (such as strong acids and high temperatures).

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer,Distributor/Wholesaler,Exporter

  • Year Established:

    Establishe

  • Total Annual:

    5 million-10 million

  • Employee Number:

    500~800

  • Ecer Certification:

    Verified Supplier

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  • Xi 'an Qinwei Instrument Factory (General Partnership Enterprise)
  • No. 143, Sanqiao Street, Xi'an City, Shaanxi Province, China
  • https://www.radarlevelgauges.com/

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