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Instruction ECTR 8471

Product catalog summary

Technical Specifications:
The document outlines the technical specifications for the ECT/ECTR/ECTN series used in industrial and refrigeration applications. The mounting torque is specified between 15 to 20 Nm. The operating temperature ranges from -25°C to +85°C, while the media temperature varies depending on the model: ECT models can handle -25°C to +125°C, with specific models rated for -10°C to +125°C. ECTN models operate between -25°C to +85°C, with certain models rated for -10°C to +85°C.

Electrical Connections:
The document details various output and load resistance configurations. For example, a 4 to 20 mA output requires a load resistance calculated as (USUPPLY – 9V)/20mA with a supply voltage range of 9 to 30 VDC. Other configurations include 0 to 5 VDC, 1 to 6 VDC, 0 to 10 VDC, and 0.5 to 4.5 VDC, each with specific load resistance and supply voltage requirements.

Ingress Protection and Connectors:
The document specifies ingress protection ratings such as IP65, IP67, and IP68, with details on connector types like M12x1 5-pol and Packard Metri Pack 3-pol. It also includes pin configurations and cable specifications.

Pressure Connections:
Various pressure connection types are described, including G3/4", G1/4", and G1/2" with specific dimensions and sealing requirements. The document also mentions welding flanges for G3/4" frontal membranes.

Additional Information:
The document includes a disclaimer about potential alterations due to technical progress and provides a type label description with details on measuring range, type code, serial number, maximum overpressure, supply voltage, and output signal.

Catalog excerpts

8471/8472/8473/8477 Industrial, Refrigeration ECT/ECTR/ECTN Technical specification Mounting torque: Operating temperature: Media temperature: Type label description Measuring range Serial number Type code Supply positive Supply voltage Type : 847X.XX.XXXX S/N : YYYYYY-ZZZ 16/11 Range : -1...9 bar-G max.: 20 bar Us : 9...30V DC (2) Us : 4...20mA (1) Output signal Electrical connections Ingress Protection Packard Metri Pack 3–pol. Industrial Standard contact distance 9.4 mm Type code USUPPLY Load resistance ISUPPLY (USUPPLY –9V)/ 20mA VDC 9 ... 30 > 2.5 kΩ <10 mA 10 ... 30 VDC > 5.0 kΩ <10 mA 10 ... 30 VDC > 5.0 kΩ <10 mA 15 ... 30 VDC > 5.0 kΩ <10 mA 5 VDC ± 0.25 V Provided female connector is mounted according to instructions Ventilation via cable end/connector. Shield in the device is not connected We reserve the right to make alternat

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Electrical connections 36–38 with male thread 48.5–50.5 with female thread 36-38 with male thread 36–38 with male thread 48.5–50.5 with female Pressure connections 31-33 with male thread Welding flange for G3/4" frontal membrane (1.4301) Ordering No. C27805 Connection of the measuring equipment Current output 2-wires single arrangement multiple arrangement single arrangement multiple arrangement

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