Pressure and Differential Pressure Transmitters

• Model: PRO-131

PRO 131 designs and manufactures highperformance pressure transmitters engineered for precise measurement of gauge, absolute pressure across a wide range of industrial processes.
Built with a robust Aluminum and advanced piezo resistive-sensing elements, the transmitter ensures long-term stability, chemical resistance, and high overload protection.
Equipped with LCD digital display, HART
7 communication, and a standard 4-20 mA
two-wire output, it provides reliable operation
and seamless integration with control systems.

Key Features & Technical Highlights

  • Accuracy Class: ±0.075 % of span
  • Output Signal: 4-20 mA DC + HART Protocol
  • Power Supply: 12-36 VDC
  • Pressure Range: -1 to 1000 bar (configurable)
  • Process Connection: 1/4 ” or /2 ” NPT/BSP/Flanged options
  • Material Options: SS 316L, Hastelloy C, or Tantalum wetted parts
  • Display: 5-digit LCD
  • Protection: Explosion-proof Ex d II C T6 Gb/ IP67
  • Temperature Range: -40 °C to +85 °C

Each unit is factory-calibrated, tested for static and dynamic response, and according to IEC 60770, IEC 61508 and ISO 9001 manufacturing standards.
PRO-131 combines accuracy, durability, and smart diagnostics to ensure consistent performance even in harsh process conditions, engineered for industries that demand reliability.

Differential Pressure Transmitter

• Model: PRO-141

PRO-141 Differential Pressure Transmitter designed for high-precision measurement of pressure, level, and flow in demanding industrial processes.
Engineered with advanced piezo resistive sensor technology and a stainless-steel diaphragm, the PRO-141 ensures exceptional accuracy, long-term stability, and resistance to harsh process media.
The robust IP67 explosion-proof enclosure and HART 7 digital communication enable seamless integration with DCS and PLC systems, providing real-time diagnostics and efficient plant control.
The integrated LCD display offers clear local indication and configuration capability without external tools.

Technical Highlights

  • Measurement Type: Differential, Gauge, and Absolute Pressure
  • Accuracy Class: ±0.075% of span
  • Range: 0 to 4 bar (configurable)
  • Output Signal: 4-20 mA DC + HART Protocol
  • Power Supply: 12-36 VDC
  • Process Connection: 1/4″ NPT (Female) / Flanged optional
  • Diaphragm Material: SS316L, Hastelloy C, or Tantalum
  • Electronics Housing: Die-cast aluminum, powder coated
  • Display: 5-digit LCD
  • Ingress Protection: IP67 / Ex d IIC T6 Gb
  • Operating Temperature: -40 °C to +85 °C

Each transmitter undergoes static and dynamic calibration, including high-pressure leak and response-time verification, ensuring full compliance with international standards