EDN.816: Industrial Pressure Transmitter with Aluminum Housing and Bright LCD Display
– LCD with white backlight & bar graph support
– Assembled with MDF (chemical diaphragm seal)
– Wetted parts made of stainless steel (other materials available upon request)
– Housing made of aluminum with powder coating
– Accuracy: better than 0.5%
– Ex d IIC T6 certification expected by 2025

The EDN.816 series pressure transmitter features a robust aluminum housing with powder coating and a bright white LCD display with backlight. It is designed to be used together with the MDF series chemical diaphragm seals, making it suitable for a wide range of industrial applications.

Depending on the operating environment, optional wetted materials are available to withstand harsh conditions such as acidic or toxic gases, corrosion, or other external factors. These stainless steel or special material options make the transmitter ideal for petrochemical and refinery plants, food and beverage processing, medical, pharmaceutical, and biotechnology industries.

The MDF model, used as a chemical diaphragm seal, can be manufactured with special wetted materials according to customer specifications, such as:
■ Teflon coating
■ Hastelloy C alloy
■ Titanium
■ Tantalum

The sensing and electronic modules of the EDN.816 series are designed and developed under the most rigorous standards, incorporating advanced protection technologies against noise, burst, insulation failure, and surge. Through the comprehensive system design, quality control, and 100% inspection process by DAHO Technical Research Center, the transmitter delivers perfect analog and digital communication signals with high reliability.

The EDN.816 series is designed with two functional options that users can select according to their application needs:
■ RS485 communication
■ 2-channel relays (2 switch outputs)

During development, the EDN.816 underwent more than ten types of performance comparison and durability tests against domestic and international products under demanding industrial conditions. It also passed EMC and EMI compliance tests, demonstrating top-level quality and stability. As a result, the EDN.816 is capable of maintaining accurate and stable measurements even under high temperatures, strong electrical noise, and surge/burst environments.

It is therefore suitable for a wide range of industrial applications, including:
■ Refinery and petrochemical plants
■ Food, medical, and pharmaceutical industries
■ Heavy industry and shipbuilding
■ General process industries
■ Hydraulic and pneumatic systems

Currently, the Explosion-Proof Certification Ex d IIC T6 is under application to the Korea Occupational Safety and Health Agency (KOSHA), with certification expected to be completed by December 2025 after review and testing.

 

Pressure ranges	0…1.6 bar to 0…250 bar
Accuracy	± 0.5% F.S
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