Small Size Capillary Melt Pressure Transmitter PT124B-128 Series

Introduction – Small Size Capillary Melt Pressure Transmitter PT124B-128 Series

The Small Size Capillary Melt Pressure Transmitter PT124B-128 Series is specifically designed for installations with limited mounting space. It offers high measurement accuracy, excellent stability, and superior resistance to temperature drift. Built with stainless steel 15-5 PH wetted parts and an exposed, bendable capillary, this compact transmitter ensures reliable operation even in harsh, high-temperature environments.

Equipped with a built-in amplifier circuit, the PT124B-128 Series delivers a strong and stable signal that can be directly input into a PLC or used with N series and G series control instruments. It features zero-point and full-scale adjustability, ensuring precise setup and long-term repeatability. Its internal 80 % calibration signal simplifies on-site verification and system integration.

Thanks to its rugged construction, the PT124B-128 Series performs exceptionally well in continuous high-temperature applications up to 400 °C, making it ideal for chemical fiber spinning, polyester extrusion, rubber and plastic processing, and food or pharmaceutical packaging systems. Its IP65 protection ensures reliable operation in industrial conditions.

Distributed in the UAE and MENA region through Dubai Sensor, this transmitter combines compact design, world-class performance, and easy installation, offering engineers a dependable solution for confined-space melt-pressure measurement.

Key Features & Benefits

• Compact structure for space-restricted installations
  
• High accuracy: up to ± 0.5 % FS
  
• Stainless steel 15-5 PH wetted parts for durability
  
• Exposed, bendable capillary for flexible routing
  
• Internal 80 % shunt calibration signal
  
• Zero-point and full-scale adjustable
  
• Built-in amplifier with direct PLC compatibility
  
• Excellent stability and repeatability
  
• Interchangeable with world-standard transducers
  
• IP65 protection for harsh environments
  

Technical Specifications – Small Size Capillary Melt Pressure Transmitter PT124B-128 Series

Standards & Certifications

• Industrial-grade melt-pressure transducer standard compliance
  
• IP65 protection against dust and moisture
  
• CE compliance for electrical safety and electromagnetic compatibility
  

Applications & Industries

• Chemical fiber and spinning equipment
  
• Polyester extrusion and melt-processing lines
  
• Rubber and plastic manufacturing machinery
  
• Pharmaceutical and food production systems
  
• Packaging equipment
  
• Other high-temperature fluid pressure control environments
  
  

Its compact form and reliable signal make it especially suitable for confined machinery and extrusion systems across UAE and MENA industrial facilities.

Installation, Commissioning & Maintenance

• Verify correct machining of the mounting hole before installation.
  
• Use an aluminum gasket and keep the protective cap in place until ready to mount.
  
• Ensure the housing temperature stays below 80 °C for best accuracy and service life.
  
• Remove the sensor only when the polymer is molten; clean the diaphragm with a soft cloth immediately after removal.
  
• Use shielded cables, grounding one end only to prevent interference.
  
• Perform zero and span calibration after warm-up to ensure measurement precision.
  
  

Why Choose Small Size Capillary Melt Pressure Transmitter PT124B-128 Series

The PT124B-128 Series provides world-class measurement performance in a compact package. Its robust stainless-steel design and adjustable calibration ensure long-term accuracy even under extreme heat. The transmitter’s compatibility with standard industrial connectors and direct PLC input makes it easy to integrate into existing systems.

By choosing the PT124B-128 Series, users gain a durable, high-precision, and space-efficient melt-pressure solution trusted across industries. Supported regionally by Dubai Sensor, it guarantees fast access to technical service and product availability throughout the UAE and MENA markets.

Ordering Guide

To specify your transmitter:

1. Model: PT124B-128 Series
   
2. Pressure Range: e.g. 500 bar
   
3. Output Signal: e.g. 4–20 mA
   
4. Process Connection: 1/2″-20 UNF / M14×1.5 / M18×1.5
   
5. Connector Type: 5-PIN or 6-PIN
   
6. Accuracy: ± 0.5 % FS or ± 1 % FS
   
7. Cable Length (optional): 1000 / 3000 / 5000 / 8000 / 10000 mm
   
   

Example: PT124B-128 Series-500 bar-4/20 mA-1/2-20 UNF-6PIN-0.5 % FS

For verified quality and professional support, the Small Size Capillary Melt Pressure Transmitter PT124B-128 Series is available through Dubai Sensor, an authorized distributor in the UAE.

FAQ – Small Size Capillary Melt Pressure Transmitter PT124B-128 Series

Q1: What is the main advantage of the PT124B-128 Series melt pressure transmitter?
A1: Its compact design allows installation in space-limited environments while maintaining high accuracy, excellent repeatability, and stable output suitable for direct PLC input.

Q2: What is the operating temperature range for the diaphragm?
A2: The diaphragm can operate reliably from 0 to 400 °C, making it ideal for high-temperature melt applications such as polymer extrusion and fiber spinning.

Q3: Which output signals are supported by the PT124B-128 Series?
A3: The transmitter provides three standard output options — 4–20 mA, 0–10 V, and 0–5 V — ensuring compatibility with most industrial control systems.

Q4: Can the zero point and full scale be adjusted?
A4: Yes. The PT124B-128 Series supports zero-point and full-scale adjustment, allowing precise calibration according to process requirements.

Q5: What process connection types are available?
A5: Standard options include 1/2″-20 UNF, M14×1.5, and M18×1.5 threads. Custom connections can also be provided upon request.

Q6: What type of material is used for the wetted parts?
A6: The wetted components are made from stainless steel 15-5 PH, providing high strength, corrosion resistance, and thermal stability.

Q7: Is the transmitter protected against dust and moisture?
A7: Yes, it has an IP65 protection grade, ensuring safe and reliable operation in industrial environments.

Q8: How can I perform internal calibration?
A8: The transmitter includes an 80 % internal shunt calibration signal, which allows quick on-site calibration without removing the sensor from service.

Q9: What is the recommended power supply?
A9: The PT124B-128 Series operates with a 24 V DC supply (12–36 V DC range), suitable for most industrial control panels.

Q10: Where can this transmitter be purchased in the UAE?
A10: The Small Size Capillary Melt Pressure Transmitter PT124B-128 Series is available through Dubai Sensor, the authorized regional distributor offering local support and product expertise.