3051 Differential Pressure Transmitter

Introduction

The transmitter consists of a sensing unit, signal conditioning circuit and 3-valve/5-valve manifold. Its fully welded stainless steel housing ensures reliable performance in harsh environments, with a variety of ranges, process connections and explosion-proof options available.

Specifications

• Measuring Range: 0~100Pa to 0~40MPa (customizable for differential pressure, gauge pressure, absolute pressure and vacuum applications)

• Material: Diaphragm: SUS304/316L;

• Wetted parts: All stainless steel 304/316L construction with silicone oil filling;

• Housing Material: Aluminum alloy

• Repeatability: ±0.3% FS

• Connection Type: ThreadNPT1/4"

• Operating Temperature: -20℃~+80℃

• Output: 4-20mA (2-wire) / 4-20mA+HART / RS485 Modbus (optional)

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Application Scenarios

• Industrial Automation: Used to measure the pressure and flow of various fluids (such as air, liquids, steam, oils and fats, etc.) to achieve precise control in production processes.

• Flow Measurement: Applied to measure the flow of both conductive and non-conductive liquids, such as water, oil and chemical liquids, widely used in liquid storage tanks, pipelines and industrial production lines.

• Liquid Level Measurement: Used to measure the liquid level height in various storage tanks, containers and pipelines, realizing real-time monitoring and control of liquid levels.

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Features

• ✅ High sensitivity and high accuracy

• ✅ Excellent temperature compensation capability and good stability

• ✅ Strong resistance to external electromagnetic interference, vibration interference and temperature changes

• ✅ Capable of operating normally in both high and low temperature environments

• ✅ Excellent static pressure performance with small errors

• ✅ All stainless steel 316L construction with silicone oil filling and welded hermetic sealing

• ✅ Diverse structural forms for easy installation and use

• ✅ High turndown ratio, up to 100:1

• ✅ Supports multiple mounting methods including top-mounted, side-mounted and bottom-mounted

• ✅ Compatible with 3-valve/5-valve manifolds for on-line commissioning and maintenance

• ✅ Optional LED/LCD local display for direct differential pressure reading, with support for on-site zero/span calibration