Analog Output Pressure Transmitter MPM4891B Series

Introduction

The MPM4891B is a newly developed pressure transmitter, known for its high accuracy and stability, making it an ideal choice for applications in industrial process control, aviation, and navigation inspection. This device, featuring a piezo-resistive pressure sensor coupled with advanced circuitry, ensures reliable measurements and consistent performance. Its compact design and ease of installation, alongside manual functionalities such as zero-clearing and secondary calibration, make it an excellent tool for diverse operational environments.

Key Features

• Safety and Reliability: Engineered to provide safe and dependable performance under varying conditions.
• Protection Systems: Equipped with short circuit and reversed polarity protection to enhance durability and operational safety.
• Output and Calibration: Offers a 2-wire current output and includes manual zero-clearing and secondary calibration features for enhanced accuracy.
• Design and Usability: Compact and straightforward design ensures easy installation and maintenance.
• Operational Excellence: Designed for simplicity in operation with features like a zero-clearing button and manual pressure calibration.

Technical Specifications

• Pressure Range: From 0 bar to 400 bar, catering to a wide variety of industrial applications.
• Accuracy: Delivers high precision with ±0.5% full-scale accuracy.
• Power Requirements: Operates within an 11V to 28V DC power supply range.
• Output Signal: Provides a 4mA to 20mA DC signal across a two-wire setup.
• Environmental Tolerance: Functions optimally within an operational temperature range of -25°C to 75°C and a storage temperature range of -40°C to 80°C.
• Robust Construction: Features a Viton O-ring and an SS316L diaphragm, ensuring durability against harsh media.

Button Operations

• Zero Clearing: Allows for easy recalibration to zero output (4mA) with a simple 5-second button press under no pressure conditions.
• Calibration Mode: Facilitates on-site calibration with LED indicators guiding through zero, low, middle, and high current calibration stages.

Installation and Handling

Mounting

• Suggested Mounting Dimension: Φ19 mm, designed for straightforward installation.

Electrical Connections

• Red Wire: +V
• Black Wire: 0V/+OUT

Usage Notes

1. Protect the diaphragm to avoid potential damage and ensure sustained performance.
2. Verify compatibility of the media with the contacting materials to prevent corrosion or degradation.
3. For special requirements or configurations, direct communication with the manufacturer is recommended.

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Enhance your operational efficiency and measurement accuracy with the MPM4891B Pressure Transmitter. Ideal for rigorous industrial, aviation, and navigation monitoring applications.

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