Yokogawa AAI543-H53/A4D00 Differential Pressure Transmitter Quality Assurance

Overview

The Yokogawa AAI543-H53/A4D00 is a differential pressure transmitter designed for accurate measurement in industrial process applications. It provides precise monitoring of flow, level, and pressure in liquids and gases, ensuring reliable control in chemical, oil & gas, and power generation industries.

General Information

• Part Number: AAI543-H53/A4D00

• Manufacturer: Yokogawa

• Product Series: AAI543

• Type: Differential Pressure Transmitter

• Country of Origin: Japan

• Mounting: Flanged or threaded connections for process lines

• Application: Compatible with Yokogawa DCS and field instrumentation systems

Power Specifications

• Supply Voltage: 12–42 V DC

• Power Consumption: ≤ 0.8 W

• Input Source: Loop-powered from control system

• Protection: Overvoltage and reverse-polarity protection

• Indicators: LCD display for process value, zero/span adjustments

Communication & Interface

• Output Signal: 4–20 mA DC analog output

• Digital Communication: HART protocol for configuration and diagnostics

• Accuracy: ±0.075% of span

• Diagnostics: Sensor failure, overpressure detection, and loop diagnostics

• Configuration: Handheld communicator or Yokogawa software

Environmental

• Operating Temperature: –40 °C to +85 °C

• Storage Temperature: –50 °C to +90 °C

• Humidity: 0% to 100% RH, non-condensing

• Protection Rating: IP66/IP67 for harsh industrial conditions

Dimensions & Weight

• Dimensions (L × W × H): 107.5 × 32.8 × 130 mm

• Weight: 0.4 kg

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