The T15 temperature transmitters are designed for versatile use in plant and machine building, as well as in the process industry. These transmitters provide high accuracy and excellent protection against electromagnetic interference (EMI). The T15 models are easily configurable using the WIKAsoft-TT configuration software and the PU-548 programming unit, offering a user-friendly interface for efficient parameterization.

Users can configure the sensor type, measuring range, error signaling operation, damping, measuring point descriptions, and process adjustments with the software. Additionally, the software offers line recording functionality, allowing users to visualize the temperature profile of the connected sensor.

The T15 transmitter also includes several supervisory functions like sensor wire resistance monitoring, sensor-break detection (per NAMUR NE89 standards), and measuring range monitoring. Furthermore, it features comprehensive cyclic self-monitoring for increased reliability.

Features

• Connection Options: Compatible with Pt100 and Pt1000 sensors in 2-, 3-, or 4-wire configurations.
• Reed Chain Integration: Can be used with reed chains in a potentiometer circuit.
• Configuration Software: Easily parameterized via WIKAsoft-TT software and the PU-548 programming unit.
• External Access: Connection terminals are accessible from the outside for convenience.
• High Accuracy: Accuracy of < 0.2 K (< 0.36 °F) / 0.1%.
• Advanced Supervisory Functions: Includes monitoring of sensor wire resistance, sensor-break detection (NAMUR NE89), and measuring range.
• Cyclic Self-Monitoring: Offers built-in self-monitoring for added reliability.

Applications

• Process Industry: For use in a variety of industrial processes requiring precise temperature measurement and reliable transmission.
• Machine Building & Plant Construction: Ideal for integration into machinery and plant setups where accurate temperature control is crucial.
• Flexible Connectivity: Suitable for applications involving Pt100/Pt1000 temperature sensors or reed chains, enhancing its versatility in different industrial environments.

The OTMT84 and OTMT85 temperature transmitters are designed for use in a range of industries, including process industries, machine building, and plant construction. They are equipped with advanced communication technologies (PROFIBUS®PA for the OTMT84 and FOUNDATION™ Fieldbus H1 for the OTMT85) to enable seamless integration into modern industrial control systems.

Key Features:

1. Universal Input:
   Both models support various temperature sensing elements, such as:

   • Resistance thermometers
   • Thermocouples
   • Resistance sensors
   • Voltage sources
     This flexibility allows them to meet diverse customer needs and application scenarios, including customer-specific linearization.

2. Advanced Measurement Types:
   The transmitters can handle differential, average, and redundancy temperature measurements, enabling precise and reliable temperature monitoring in complex systems.

3. Explosion-Protected Versions:
   Both models are available with explosion protection features, including Ex ia (intrinsically safe/FISCO) and Ex ec, which makes them suitable for use in hazardous environments.

4. Diagnostic Capabilities:
   They offer extensive diagnostic options, allowing for real-time monitoring of the system’s performance and early detection of potential issues, enhancing reliability and uptime.

5. Fieldbus Features:

   • OTMT85 (FOUNDATION™ Fieldbus):
     This version comes with LAS (Link Active Scheduler) functionality, allowing for master-independent control directly in the field instrument. It also includes a PID controller for advanced process control.

6. Polarity-Independent Bus Connection:
   The transmitters can be connected to the bus regardless of polarity, simplifying installation and ensuring reliable operation.

7. Compact Design:
   Their small dimensions allow them to be easily mounted into form B connection heads in accordance with DIN EN 50446, offering flexibility in installations where space is limited.

8. Custom Configuration:
   The temperature transmitters can be factory-configured or customized according to specific customer requirements within the limits of their functionality, ensuring they fit precise application needs.

Applications:

These transmitters are particularly suited for environments where temperature monitoring is critical, such as:

• Process Industry: Temperature measurement in industrial processes such as chemical or petrochemical plants.
• Machine Building: For machine and plant construction where temperature data is needed for operational efficiency and safety.

T91 model series of temperature transmitters, which are commonly used in various industrial applications. Here's a clearer breakdown of the details:

Applications

• Plant Construction: These transmitters are used in the construction of industrial plants, including manufacturing and assembly processes.
• Power Engineering: They help monitor temperatures in power plants and energy systems.
• Heating, Air-conditioning, Ventilation, Refrigeration: Used in HVAC systems for monitoring and controlling temperatures.

Special Features

• Versions for Pt100 / Pt1000 or Thermocouples: Available in models that support Pt100/Pt1000 resistance thermometers or thermocouples for temperature sensing.
• Output 0 ... 10 V (3-wire) or 4 ... 20 mA (2-wire): Two types of outputs are available, with the T91.10 using a 3-wire system for voltage output, and the T91.20 using a 2-wire system for current output.
• Error Signalling for Sensor Break: If there is a break in the sensor or its wiring, an error signal is generated.
• High Accuracy: These devices are designed for precise temperature measurement.
• Compact and Cost-Effective: The design is compact and affordable for industrial use.

Description

• Signal Conversion: The transmitters convert the resistance change (from thermometers like Pt100/Pt1000) or voltage change (from thermocouples) into either a 0...10V or 4...20mA signal, which are standard and compatible with PLCs or AD conversion cards in PCs.
• Range Customization: The transmitters are fixed-range, meaning the temperature range is predefined according to the customer's specifications, though fine adjustments can be made via potentiometers once the device is installed.
• Mounting Options:
  • T91.10: Suitable for head-mounted installation in any form B DIN connection head.
  • T91.20: Designed to be installed in form J connection heads, typically used for industrial environments.

Ideal Use Cases

These temperature transmitters are ideal for industrial automation and control systems, HVAC monitoring, energy production, and other temperature-sensitive processes. Their ability to connect directly to PLCs or AD conversion cards makes them highly versatile for integration into existing systems.

These field cases are designed for a wide range of industrial applications, providing secure housing for temperature transmitters and other process control equipment. Available in various materials like plastic, stainless steel, and aluminum, these cases can be customized to meet the specific environmental and operational demands of industries such as chemical, oil and gas, and energy. The field cases support easy mounting with standard wall-mounting options, with an additional pipe-mounting kit for flexibility in installation. They are suitable for both standard and explosion-protected settings, ensuring safe operation in hazardous environments.

Features:

1. Robust Case Designs:

   • Engineered to withstand harsh industrial environments, ensuring long-term durability and protection of internal components.

2. Multiple Material Options:

   • Available in plastic, stainless steel, and aluminum, providing adaptability to different environmental conditions (corrosive, high temperature, etc.).

3. Versatile Mounting Options:

   • Standard Wall Mounting: Easy installation directly onto walls.
   • Pipe Mounting Kit (Optional): Can be attached to pipes with diameters ranging from 1" to 2" for added flexibility.

4. Wide Selection of Temperature Transmitters:

   • Compatible with a broad range of temperature transmitters, allowing for customized temperature monitoring solutions.

5. Explosion-Protected Versions:

   • Available in models that comply with explosion-proof safety standards, making them ideal for hazardous environments such as oil and gas facilities.

6. Numerous Connection Options:

   • Offers various connection choices for different sensor configurations, making integration into existing systems easier.

Applications:

1. Plant Construction:

   • Used in the construction of various industrial plants, particularly where precise and safe temperature monitoring is critical.

2. Process Engineering:

   • Ideal for controlling and monitoring temperature-sensitive processes in various engineering systems.

3. General Industrial Applications:

   • Suitable for general industrial environments requiring reliable temperature monitoring and robust equipment protection.

4. Energy and Power Plant Technology:

   • Ensures accurate temperature measurement in energy generation and power plant systems, vital for operational efficiency and safety.

5. Chemical Industry, Oil, and Gas:

   • Essential for monitoring critical temperature variables in industries dealing with hazardous materials and explosive environments.

The A2G-70 is a ventilation duct sensor designed to measure the relative humidity and temperature of gaseous media in HVAC systems. This sensor is perfect for direct mounting on circular ventilation pipes or rectangular ducts. It features an adjustable mounting flange for easy installation and comes equipped with a screwless cover for fast wiring and commissioning. The sensor transmits measurement data using either analog output signals (0-10V or 4-20mA) or Modbus® digital protocol for integration into building automation systems.

Special Features:

• Electrical Output Signals:
  • Analog: 0-10V DC or 4-20mA.
  • Modbus® Output Signal: For digital data transmission.
• Simple Mounting: Easy-to-install with an adjustable flange for flexibility.
• Compact and Robust Design: Ensures durability in harsh conditions, perfect for continuous operation.
• Maintenance-Free: Low upkeep required once installed.
• Illuminated Display: Ensures good visibility from a distance.
• Screwless Cover: Makes wiring and commissioning quick and simple.

Applications:

• HVAC Systems: Measures relative humidity and air temperature for regulating air quality and comfort levels.
• Ventilation Systems: Helps in controlling and optimizing air circulation, especially in commercial or industrial environments.
• Building Automation: Integrated into systems that require precise measurement of humidity and temperature to maintain optimal environmental conditions.

This sensor is particularly beneficial for demand-based regulation in ventilation, where accurate measurement of humidity and temperature enhances energy efficiency and environmental control.

The A2G-200 control panel is a specialized device designed for the ventilation and air-conditioning industry. It is equipped with integrated sensors that measure the temperature, relative humidity, and carbon dioxide (CO2) concentration of room air, making it an essential tool for managing air quality and environmental conditions in various settings. Here's a breakdown of its features and functionality:

Applications:

• Temperature Measurement: Monitors the air temperature in rooms and ventilation systems.
• CO2 Concentration Measurement: Tracks the carbon dioxide levels, a key factor in assessing air quality.
• Relative Humidity Measurement: Keeps tabs on the moisture level in the air, crucial for comfort and system performance.
• Used in ventilation systems and air-conditioning systems to ensure optimal conditions are maintained.

Special Features:

• Electrical Output Signal: The device offers flexibility in how data is communicated:
  • DC 0 … 10 V
  • 4 … 20 mA
  • Modbus®
• Touchscreen: A user-friendly display that provides clear and easy-to-read information.
• Integrated Switching Output: Allows for direct control commands to external systems or equipment. This is ideal for controlling a ventilation/air-conditioning unit or a fan.
• Adjustable Control for Parameters: The switch relay can be configured for the three parameters (temperature, humidity, CO2), providing customizable automation based on the measurements.

Description:

• Large Touch LC Display: The user interface is designed for easy operation and readability, improving the user experience.
• Integrated Switching Output: Enables control of other systems directly, based on the sensor readings, improving automation and efficiency.
• Analog and Digital Output Options:
  • Analog Output: 0 … 10 V or 4 … 20 mA signals for various control and monitoring needs.
  • Digital Output: Modbus® output allows integration with other digital systems for more advanced control or monitoring purposes.
• Display Lock Feature: A jumper on the PCB allows users to lock the display for preventing accidental changes or tampering, ensuring the device functions solely as a display and measuring instrument.

The A2G-200 is designed to provide reliable environmental monitoring and control, making it suitable for HVAC (Heating, Ventilation, and Air Conditioning) applications, where precise data on air quality and environmental parameters are crucial for system performance and user comfort.