■ EGD.358, SF₆ Gas Density Monitoring Pressure Transmitter (RS485 & Analog Output)

- Temperature-compensated SF₆ gas density measurement

- RS485 (Modbus RTU) & Analog output

- All stainless steel housing & wetted parts

- Software-based SF₆ gas density compensation

- CE Declaration of Conformity

 

■ Product Overview

The EGD.358 is a digital pressure transmitter designed for SF₆ gas density monitoring in gas-insulated electrical equipment.

It automatically compensates for changes in SF₆ gas density caused by temperature variations using built-in software, ensuring highly accurate and reliable density measurement.

The transmitter supports simultaneous RS485 (Modbus RTU) communication and various analog output signals, making it ideal for GIS equipment, high-voltage circuit breakers, and condition monitoring systems.

 

■ Application Industries

The EGD.358 is designed for continuous monitoring and protection of SF₆ gas-insulated power systems.

Its software-based density compensation and excellent long-term stability provide reliable performance in demanding industrial environments.

Typical applications include:

▶ GIS (Gas Insulated Switchgear)

▶ High Voltage Circuit Breakers

▶ SF₆ Gas Density Monitoring Systems

▶ Condition Monitoring Systems

 

■ Accuracy class

▶ Density : ±0.6%

▶ Pressure (at 20°C) : ±1.0% F.S

▶ Temperature : ±1℃

 

■ Certifications

▶ CE (Declaration of Conformity)

 

■ General Specification

Measuring ranges	Density : 0 ... 60 g/L Pressure : 0 ... 16 bar abs. Temperature : -40 ... +80°C Pressure reference : Absolute
Accuracy	Density : ±0.6% Pressure at 20°C : ±1.0% FS Temperature : ±1°C
Electrical connection	M12 plug
Signal output	4...20 mA, 2 wire-system 0…10V, 3 wire-system 0…5V, 3 wire-system 1…5 V, 3 wire-system
Operating temperature	-20…+100 ℃ / standard -40…+125℃ / option