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Yunyi has engaged in the research and development of pressure, liquid level, flow, and temperature sensors and transmitters, as well as their solutions. Providing OEM & ODM and custom design services

Digital Atmospheric Pressure Gauge

High-Precision Online Measurement Instrument | Intelligent Microcontroller-Controlled Design

XY3042 Digital Atmospheric Pressure Gauge is an advanced online measurement instrument controlled by a high-performance microcontroller unit. Engineered with premium pressure sensor core components, this instrument delivers exceptional accuracy, corrosion resistance, impact resistance, vibration resistance, minimal temperature drift, and outstanding long-term stability — making it the ideal solution for demanding industrial pressure measurement applications.

It fundamentally overcomes the shortcomings of traditional analog pressure gauges, including low accuracy, poor reliability, and high failure rates. Especially in corrosive and vibration-prone environments, the XY3042 demonstrates superior performance.

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Key Features

Intelligent Microcontroller Design
Equipped with a high-quality pressure sensor core and microcontroller-based control system, ensuring precise and reliable measurements.

Low-Power Operation
Ultra-low-power microprocessor significantly extends battery life. No external power supply required — convenient and economical for remote or power-constrained installation sites.

Comprehensive Measurement Modes
Supports gauge pressure, absolute pressure, and differential pressure measurement — offering flexible solutions for diverse application requirements.

Multi-Configuration Options
Available in various types including standard, explosion-proof, and diaphragm configurations to meet specific measurement needs across different industries.

Wide Operating Temperature
Media temperature range: -20°C to +80°C; Working environment: -10°C to +60°C, ensuring stable performance under extreme conditions.

Corrosion & Vibration Resistant
Designed to excel in corrosive and vibration-prone environments where traditional instruments often fail.


Technical Highlights

Parameter Specification
Measurement Range 0~25MPa (A)
Accuracy 0.2%FS / 0.5%FS (selectable)
Display 5-digit dynamic digital display
Power Supply 3.6V lithium battery / 3.0V battery (optional)
Media Temperature -20°C to +80°C
Operating Temperature -10°C to +60°C
Operating Humidity ≤80% RH
Connection Type Threaded (standard M20×1.5, customizable)


Superior Performance Advantages

Enhanced Stability & Reliability
The premium pressure sensor core delivers high precision, corrosion resistance, superior shock and vibration resistance, minimal temperature drift, and excellent long-term stability — ensuring consistent output even in complex environments.

Extended Battery Life
Low-power microprocessor dramatically reduces on-site maintenance frequency, directly lowering operational costs. Compared to traditional analog pressure gauges, the XY3042 eliminates issues such as pointer jamming, mechanical wear, and reading errors, with significantly reduced failure rates in vibration-prone environments.

Multi-Unit Conversion Support
Features comprehensive controls including power button, backlight button, unit switch, and zero reset button. Supports multiple engineering units: KPa, MPa, bar, Psi, mH₂O, mmH₂O, pbar, mHg, mmHg, M, kgf/cm² — meeting diverse project documentation and control system requirements.

Integrated Temperature Compensation
Built-in high-precision pressure and temperature sensors with comprehensive temperature compensation — direct reading without correction.


Applications

XY3042 Digital Atmospheric Pressure Gauge is widely used across a broad range of industries:

Industry Application
Petroleum & Gas Pipeline pressure monitoring and control
Chemical Industry Reactor, storage tank, and other equipment pressure monitoring
Aerospace Aircraft pressure monitoring for flight safety
Food & Pharmaceutical Stable pressure assurance for product quality
Environmental Monitoring Station monitoring, laboratory testing, HVAC, cleanroom calibration
General Industry Pressure measurement for various gas and liquid media

Why Choose XY3042?

  • Precision & Reliability — Advanced sensor technology ensures accurate, repeatable measurements

  • Low Maintenance — Extended battery life and robust design reduce on-site servicing needs

  • Versatility — Supports multiple pressure measurement types and engineering units

  • Durability — Designed to withstand harsh industrial environments

  • Cost-Effective — Eliminates frequent replacement costs associated with analog gauges


Installation & Usage Guidelines

To ensure measurement accuracy and instrument longevity, observe the following installation recommendations:

  1. Choose a well-ventilated, corrosion-free location that is easy to observe and maintain

  2. Install vertically for optimal reading experience

  3. Use copper or PTFE sealing gaskets during installation

  4. Verify that the measurement range matches actual operating pressure

  5. Ensure field conditions comply with technical specifications and that measured pressure has adequate safety margin

  6. The instrument features vertical downward direct connection — can be directly connected to the pipeline pressure interface


Customization Options

  • Anti-corrosion / explosion-proof configurations available

  • Remote transmission options (e.g., 4-20mA output, RS485 communication) optional

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