[EDN.820 series, Pressure Transmitters suitable for pressure measurement of food, beverage, and viscous materials]

The EDN.820 series pressure transmitters are designed and manufactured with a Flush Diaphragm structure suitable for industrial processes using viscous fluids or basic hygienic environments. All wetted parts are made of stainless steel, providing excellent durability and corrosion resistance, while the housing and body are made of aluminum materials commonly used in industrial applications. The standard process connection is G1/2”, and various sealing options such as FKM, EPDM, and Metal O-ring are available according to user requirements.

The Piezoresistive Silicon Pressure Sensor applied to the EDN.820 series is manufactured by combining highly precise modern electronic component fabrication technology with advanced industrial PCB chip design. The electronic components that amplify the signal from this sophisticated pressure sensor undergo a variety of tests, including Noise, Burst, Insulation, and Surge tests, to ensure reliable operation under diverse environmental conditions. The product is designed to output an analog signal through strict process and quality control. Each product is carefully calibrated during production and undergoes 100% inspection before final shipment.

[Applications]

The EDN.820 series is mainly used in the food and beverage industry, the pharmaceutical industry, and general industries where pressure measurement of viscous media is required.

■ Pharmaceutical and medical industries
■ Food and beverage industries
■ Water purification and wastewater treatment industries
■ Applicable for pressure measurement of viscous media

[Accuracy Grades]

Depending on user requirements, the EDN.820 series products offer the following accuracy grades:

■ EDN.825 / Standard type: ±0.5% F.S
■ EDN.823 / High accuracy type: ±0.25% F.S
■ EDN.821 / Precision type: ±0.1% F.S

[Optional Functions]

The EDN.820 series provides contact signal and communication functions that users can select as needed.

■ 2-relay switches
■ RS 485

[General Technical Specifications]

Pressure ranges	-1…0 bar & 0…200 mbar to 0…250 bar
Accuracy	Standard: ± 0.5% F.S High accuracy: ± 0.25% Precision: ± 0.1%
Electrical connection	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
Options	Relay 2 switches RS485