DAHO (주)다호 트로닉

EDN.830 Gold plated diaphragm [Hydrogen explosion-proof]

EDN.830, Aluminum housing pressure transmitter

- Aluminum housing

- Stainless steel wetted parts

- Accuracy ±0.5%, ±0.25%, ±0.15% F.S

- LCD with white backlight

- RS485 communication

- 2 channel relays, switches

- CE certified

 

Product Overview

The EDN.830 series is a precision-engineered pressure transmitter housed in a durable aluminum body with a bright, high-visibility LCD display, designed for stable operation in a wide range of industrial environments.

The sensor is a piezoresistive silicon element with a gold-plated stainless steel diaphragm, developed specifically for hydrogen pressure measurement.

Wetted parts are made of stainless steel 316L with a gold-plated diaphragm, preventing hydrogen embrittlement and ensuring long-term stability and durability.

The signal amplification electronics are designed with advanced protection against noise, burst, insulation, and surge, ensuring stable analog and communication output signals.

The EDN.830 supports RS485 digital communication and 2-channel relay (switch) functions, allowing flexible configuration according to user requirements.

The product has undergone rigorous comparative testing and EMC/EMI testing, ensuring reliable performance even under harsh industrial conditions such as high temperature, electrical noise, and surge environments.

Applications

Hydrogen refueling stations

Hydrogen transport trailers

Hydrogen storage facilities

Shipbuilding & marine hydrogen logistics

Hydrogen production, refining & chemical industries

Accuracy Class

±0.5% F.S

±0.25% F.S

±0.15% F.S

Communication & Switches

RS485 digital communication [option]

2 channel relays, switches [option]

Certifications

CE (Declaration of Conformity)

Explosion-proof certification under review (KOSHA)

Ex d IIC T6

General Specifications

Pressure ranges

-1…0 bar to 0…1000 bar

Accuracy

± 0.5% F.S

[options]

± 0.35%

± 0.15%

Electrical connection

Frameproof cable gland

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

0.5…4.5V, 3-wire system

Operating temperature

-20…+80  / standard

-40…+125 / option

 

 

 
Technical Information
Data-sheet & E-price