Rosemount 2088 Smart Pressure Transmitter G1S22A1EDQ4 | 0.10–2.1 bar | 4–20 mA | ATEX

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The ROSEMOUNT 2088 SMART G1S22A1EDQ4 is a compact and highly reliable smart pressure transmitter designed for accurate measurement of gauge pressure in industrial process applications. Built on the proven Rosemount 2088 platform, this transmitter delivers stable long-term performance even in harsh operating environments.

According to the nameplate and provided images, the transmitter is configured for a pressure range of 0.10 to 2.1 bar and operates on a two-wire 4–20 mA output with a supply voltage of 10.5–36 VDC. The device is certified for use in hazardous areas with ATEX approval (EEx d IIC), making it suitable for Zone 1 / Zone 2 installations.

The robust aluminum housing, combined with Emerson/Rosemount smart electronics, ensures high accuracy, resistance to vibration, and excellent EMC performance. This model is widely used in oil & gas, chemical processing, utilities, and general industrial automation.

Key Features:

• Smart gauge pressure transmitter

• Full model: G1S22A1EDQ4

• Measuring range: 0.10–2.1 bar

• 4–20 mA analog output (2-wire)

• Supply voltage: 10.5–36 VDC

• High stability and long-term accuracy

• Compact, rugged industrial housing

• Designed for continuous process operation

Technical Specifications (from nameplate):

• Manufacturer: Rosemount

• Series: 2088 Smart

• Model Code: G1S22A1EDQ4

• Pressure Type: Gauge pressure

• Measuring Range: 0.10 … 2.1 bar

• Output Signal: 4–20 mA

• Supply Voltage: 10.5 – 36 VDC

• Overpressure Limit: As per Rosemount 2088 specifications

• Protection Concept: Explosion-proof

• ATEX Marking: EEx d IIC

• Temperature Class:

  • T4 (Tamb = 80 °C)

  • T6 (Tamb = 40 °C)

• Certification: ATEX, CE

• Manufacturing Location: Singapore

Typical Applications:

• Oil & gas process measurement

• Chemical and petrochemical plants

• Industrial utilities and pipelines

• Pump and compressor monitoring

• General process automation systems