Beck GmbH General instructions Druckkontrolltechnik Safety instructions Ferdinand-Steinbeis-Straße 4 71144 Steinenbronn 1 General instructions These operating instructions contain all of the information that is required for an efficient start-up and safe operation of Model 901….EX pressure switches. Please read these operating instructions before carrying out installations, start-ups, maintenance and repairs.
Beck GmbH General instructions Druckkontrolltechnik Safety instructions Ferdinand-Steinbeis-Straße 4 71144 Steinenbronn 1.1.2 Safety instructions for potentially explosive areas The 901..EX pressure switch is suitable for use in areas where there is a risk of gas or dust explosion Please follow the applicable...
Beck GmbH Correct purpose of use Druckkontrolltechnik Application area Ferdinand-Steinbeis-Straße 4 71144 Steinenbronn 2 Correct purpose of use 2.1 Application area Purpose of use The adjustable pressure switches have the following main purpose Factory-set pressure switch monitoring overpressure, vacuum or differential pres- sure of liquid and gaseous –...
Beck GmbH Storage and transportation Druckkontrolltechnik Packaging Ferdinand-Steinbeis-Straße 4 71144 Steinenbronn 3 Storage and transportation 3.1 Packaging The equipment is protected by packaging. The packaging is environmentally compatible and recy- clable. The following main materials are used: Cardboard PE foam or PE film Please use appropriate recycling companies to dispose of the packaging 3.2 Storage and transportation conditions...
Beck GmbH Installation Druckkontrolltechnik Installation Ferdinand-Steinbeis-Straße 4 71144 Steinenbronn The following standards and directives are useful: EN 1127-1: Explosion protection – basic concepts and methodology Standards for areas with risk of gas explosion (“G”, “D”): EN 60079-10: Classification of potentially explosive areas...
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Beck GmbH Installation Druckkontrolltechnik Connection Ferdinand-Steinbeis-Straße 4 71144 Steinenbronn The following points must be observed when selecting cables for intrinsically safe power circuits: Diameter of individual conductors: greater than 0.1mm Insulation strength of the individual wires: greater than 0.2 mm...
Beck GmbH Start-up Druckkontrolltechnik Parameterisation Ferdinand-Steinbeis-Straße 4 71144 Steinenbronn 5 Start-up Before voltage is applied to the equipment the following checks must be performed: Check that screws are firmly seated in Connecting terminals, protective earth conductor terminals and potential equalisation terminals...
Beck GmbH Repairs Druckkontrolltechnik Troubleshooting Ferdinand-Steinbeis-Straße 4 71144 Steinenbronn Maintenance The interval from the applicable usage regulations must be taken into consideration As a manufacturer we recommend a maximum interval of 1 year 6.2 Troubleshooting A list of possible faults (fault indications) can be found in the table below.
Beck GmbH Appendix Druckkontrolltechnik Technical data and dimensioned drawing Ferdinand-Steinbeis-Straße 4 71144 Steinenbronn 9 Appendix 9.1 Technical data and dimensioned drawing Temperature ranges Ambient temperature: from -20 °C to +85 °C Medium temperature: up to +85 °C Storage temperature: from -40 °C to +85 °C Diaphragm material ®...
Beck GmbH Appendix Druckkontrolltechnik Technical data and dimensioned drawing Ferdinand-Steinbeis-Straße 4 71144 Steinenbronn 9.1.1 Pressure switch 901 Factory-set pressure setting Pressure connection Threaded connection Type Tube connection M 10 x1 G 1/8 G 1/4 G 1/2 5.0 mm 6.5 mm 10.0 mm...
Beck GmbH Appendix Druckkontrolltechnik Technical data and dimensioned drawing Ferdinand-Steinbeis-Straße 4 71144 Steinenbronn ® 9.1.2 Pressure switch 901 Prescal Adjustable setting Pressure connection Threaded connection Type Tube connection 5.0 mm 6.5 mm 10.0 mm M 10 x1 G 1/8 G 1/4 G 1/2 901.61-65 EX...
Beck GmbH Appendix Druckkontrolltechnik EC design test certification Ferdinand-Steinbeis-Straße 4 71144 Steinenbronn 9.4 EC design test certification Note: More documentation for EC design test certification you can download from our website. Operating instructions – Pressure Switch – Model - 901...EX Rev.10...
Beck GmbH Appendix Druckkontrolltechnik Proof of compliance with explosion protection regulations Ferdinand-Steinbeis-Straße 4 71144 Steinenbronn 9.5 Proof of compliance with explosion protection regulations Project Name Date Requirement Complies with Requirement Complies with Application area Temperature Temperature Temp. (Gas) (Dust) (Gas)
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