This description details the PGT23 intelliGAUGE® from WIKA, a product used in the process industry to measure and transmit process pressure. Below is a summary of its applications, special features, and description:

Applications:

• Purpose: It is used to display and transmit process pressure values to control rooms in industries such as chemical, petrochemical, oil and gas, power generation, and water and wastewater.
• Output Signal: The device provides a 4 … 20 mA output signal for transmitting process values to control centers.
• On-site Display: It features an easy-to-read, analog display that does not require external power.
• Industries: Specifically for the process industry, where reliable, safe pressure measurements are essential.

Special Features:

• Plug-and-Play: The device operates without the need for complex configuration, making installation straightforward.
• NAMUR Signal Transmission: It uses a standardized signal transmission protocol for compatibility with industrial control systems.
• Wide Measuring Range: Available for pressures ranging from 0 … 0.6 bar to 0 … 1,600 bar, accommodating various process needs.
• Safety Version S3: Meets EN 837 safety standards, ensuring reliability in critical applications.
• Analog Display Sizes: Available with analog displays in nominal sizes of 100 or 160, suitable for clear visual readings.

Description:

• Combination of Mechanical and Electronic Systems: The PGT23 combines a mechanical measuring system (Bourdon tube) and electronic signal processing. This allows users to view the process pressure on-site with a local mechanical pointer, while also transmitting an electrical signal to the control center.
• Loss of Voltage Power: Even if the electrical supply is lost, the device ensures the process pressure is displayed safely and reliably.
• Safety and Compliance: It meets all safety-related requirements, making it ideal for critical applications such as pressure vessels, where the working pressure needs to be displayed securely.
• Mechanical System: The robust Bourdon tube produces a pointer rotation proportional to the pressure, while a non-contact electronic angle encoder (with no wear or friction) detects the pointer’s position.
• 4 … 20 mA Signal: The device converts the mechanical pressure reading to an electronic output (4 … 20 mA), with the scale automatically adjusted to align with the mechanical display, ensuring accurate and consistent transmission of process data.

The PGT23 intelliGAUGE® is designed to be reliable and easy to use, with the integration of both mechanical and electronic systems offering an optimal solution for process pressure measurement and signal transmission in industrial environments.

Applications:

• Laboratory Technology
• General Machine Building

Special Features:

• USB interface for measured-value display on a PC
• Non-contact sensor (wear-free)
• Nominal size: 50 mm
• Scale ranges: 0...1.6 bar to 0...400 bar
• Design standard: EN 837-1

Technical Specifications:

• Nominal size: 50 mm
• Accuracy class: 2.5
• Scale ranges: 0...1.6 bar to 0...400 bar, or other equivalent vacuum or combined pressure/vacuum ranges
• Pressure limitation:
  • Steady: 3/4 x full scale value
  • Fluctuating: 2/3 x full scale value
  • Short time: Full scale value
• Permissible temperature:
  • Ambient: -20°C to +60°C
  • Medium: +60°C maximum
• Temperature effect: Max. ±0.4 %/10 K of the span when the temperature deviates from the reference temperature (+20°C)
• Process connection:
  • Copper alloy, lower mount (LM)
  • G 1/4 B (male), 14 mm flats
• Pressure element: Copper alloy, C-type
• Movement: Copper alloy
• Dial: Plastic, white with black lettering
• Pointer: Plastic, black

Applications:

• Dry gaseous and liquid media: The product is suitable for media that are not highly viscous or crystallizing, and where copper alloy parts are appropriate.
• Pneumatics
• Industrial gases
• Medical engineering
• Drinking water

Special Features:

• Compact and cost-effective integration solution: Designed for easy and efficient integration into various systems.
• Scale ranges: 0 … 400 bar or 0 … 5,000 psi, providing flexibility for different pressure ranges.
• Voltage signal output: Offers a DC 0.5 … 4.5 V output signal for integration with control or monitoring systems.
• Nominal size options: Available in 40 mm (1 ½"), 50 mm (2"), or 63 mm (2 ½") sizes, accommodating various installation requirements.
• Accuracy class 2.5: Offers reliable measurement within an accuracy class of 2.5.

Description:

• Measurement Principle:
  The PMT01 combines the mechanical properties of a Bourdon tube with integrated sensor technology. The Bourdon tube provides a mechanical movement that is translated by an electronic angle encoder into a precise output signal. The encoder is a non-contact sensor, offering high durability and accuracy as it is free from wear and friction. This setup provides a pressure-proportional signal (e.g., DC 0.5 … 4.5 V) for further processing.

• Integration Concept:
  The PMT01 is designed for seamless integration into a wide range of applications. The device is pre-adjusted for easy installation, with efficient sealing through O-rings and a support ring for cost-effective maintenance and replacement.

• Design Freedom for Customer Solutions:
  The PMT01 provides a flexible integration solution with its flat design and versatile positioning options. This allows for a variety of custom configurations to meet specific customer requirements.

• Individual Customer Versions:
  The manufacturer, WIKA, offers extensive support for designing and producing customized versions of the PMT01, drawing from their expertise in manufacturing and development.

This device is ideal for use in applications where compact, cost-effective, and reliable pressure measurement is needed, with easy integration into existing systems.

A2G-15 differential pressure gauge used for monitoring pressure in ventilation and air-conditioning systems, with features like electrical output signals (DC 0-10V or 4-20mA), multiple mounting options, and ingress protection. This model is ideal for a variety of applications, including:

1. Differential pressure monitoring for filters - Ensures the proper functioning of air filters by detecting pressure changes.
2. Pressure monitoring for ventilators - Monitors the pressure to ensure ventilators operate within specified parameters.
3. Overpressure monitoring for clean rooms - Protects clean room environments by alerting to overpressure conditions.
4. Under- and overpressure monitoring for laboratories and operating rooms - Helps maintain safety and operational standards in sensitive environments.

Key Features:

• Electrical Output Signal Options:
  • DC 0 … 10 V (3-wire) or 4 … 20 mA (2-wire), providing versatility for various control systems or building automation.
• Easy Installation:
  • Fast, tool-free mounting via a threaded bezel.
  • Integrated sealing element for direct mounting in a ventilation duct or instrument panel.
• Design for Durability:
  • Separate construction of the measuring chamber and display area helps prevent contamination.
  • Available in IP54 and IP65 ingress protection ratings for use in various environments.
• Mounting Versions:
  • Built-in version: Tool-free, quick installation with threaded connections.
  • Add-on version: Fitted into a case with flexible connection orientation.

Use Cases:

• Ventilation and Air-conditioning: Monitoring pressure for air flow efficiency and system performance.
• Cleanrooms, Laboratories, and Operating Rooms: Ensures pressure stability for maintaining sterile and controlled environments.

This gauge offers both flexibility and robustness, making it suitable for applications where accurate pressure monitoring and ease of installation are crucial.

Application Areas:

• Gaseous and aggressive media: Suitable for environments with harsh or reactive gases.
• Aggressive environments: Designed to operate in challenging conditions where both environmental and media factors can affect equipment performance.
• Low-pressure measurements: Measures very low pressures starting from 2.5 mbar.
• Signal transmission: Sends process values to a control room or central monitoring station using standard output signals (4–20 mA, 0–20 mA, DC 0–10 V).

Key Features:

• No configuration required: The device is plug-and-play, requiring no additional setup.
• High overload safety: Capable of withstanding up to 50 times the full-scale pressure, ensuring durability.
• Easy-to-read analogue display: Available in two nominal sizes, 100 and 160, for clear pressure indication.
• Low measurement error: Minimal influence from medium pollution or contamination, ensuring accurate readings.
• Protected measuring chamber: Guarded against unauthorized access to maintain measurement integrity.

Description:

The PGT63HP intelliGAUGE® (patented) is ideal for applications where local pressure indication and remote transmission of pressure values are needed. The robust design features a capsule measuring system, offering a high overload safety factor of up to 50x the full scale value. The system utilizes an electronic angle encoder, often used in safety-critical automotive applications, to determine the pointer shaft's position. This sensor is non-contact, ensuring it is free from wear and friction, which contributes to the longevity and reliability of the device.

The device automatically adjusts the measuring span and the electrical output signal (e.g., 4–20 mA) in line with the mechanical display, meaning the scale corresponds directly to the output range. The electrical zero point can be manually set for fine-tuning.

The integrated electronic WIKA sensor ensures precise electrical signal transmission while maintaining the local mechanical display, which remains operational even during power outages. This combination makes it a highly reliable and practical solution for critical pressure monitoring tasks. Additionally, it eliminates the need for an additional mechanical pressure display in the system.

The description you've provided appears to outline the features and applications of a high-quality gauge designed for level measurement in closed tanks, particularly in cryotechnology, with a focus on liquid and gaseous media that are not highly viscous. Here's a concise summary of the key points:

Applications:

• Level measurements in closed tanks, particularly in cryotechnology.
• Filter monitoring.
• Monitoring and control of pumps.
• Suitable for gaseous and liquid media that are not highly viscous.

Special Features:

• Differential pressure measuring ranges from 0 … 80 mbar to 0 … 1725 mbar.
• High working pressure (static pressure) of 50 bar.
• Overpressure safety up to 50 bar on either side.
• Compact design for easy installation.
• Optional valve manifold with working pressure indication.
• Option to retrofit switch contacts for level and working pressure and transmitters for working pressure.

Description:

These gauges are specifically designed for use in cryotechnology, offering a compact and robust solution for level measurement in liquid gas tanks. They are capable of handling a wide variety of gases, such as Ar (Argon), O2 (Oxygen), N2 (Nitrogen), and CO2 (Carbon Dioxide), with the ability to adjust the full-scale deflection over a 270-degree sweep.

• Measuring Range: Multiple measuring cells cover various tank sizes, with a large overlap between measuring ranges to ensure flexibility for different applications.
• Calibration: The gauge is easily calibrated with simultaneous mechanical display and optional electrical output signal calibration.
• Optional Valve Manifold: An optional valve manifold for flange mounting allows central measurement of both level and working pressure in a single instrument.
• Flexible Adaptability: The center distance of the process connections can be customized with adapters to 31 mm or 54 mm, providing compatibility with various tank systems.

These features make this gauge particularly suitable for demanding applications in cryogenic and high-pressure environments.