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SCHMIDT

®

Flow Sensor

SS 20.600 Ex

- Supplementary instructions for use

in explosive atmospheres ATEX

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Содержание SS 20.600 E Series

Страница 1: ...SCHMIDT Flow Sensor SS 20 600 Ex Supplementary instructions for use in explosive atmospheres ATEX ...

Страница 2: ...torage and transport 4 3 Safety instructions for explosive atmospheres 5 4 Application range 6 5 Mounting instructions 7 6 Electrical connection and protective sleeve assembly 9 7 Type plate Labelling 11 8 Declarations of conformity 12 9 Type Examination Certificate 13 Imprint Copyright 2021 SCHMIDT Technology GmbH All rights reserved Version 535698 02B Subject to modifications ...

Страница 3: ...perations described in these instruc tions for use will forfeit any warranty and exclude any liability The unit is designed exclusively for the use described below refer to chapter 4 In particular it is not designed for direct or indirect protec tion of personal or machinery SCHMIDT Technology cannot give any warranty as to its suitability for a certain purpose and cannot be held liable for accide...

Страница 4: ...ckaging parts by submitting it to a recycling company Conditions for storage and transport The following points must be observed to avoid damage Do not expose the device to excessive mechanical load such as throw ing stacking falling etc Do not use the device in areas with high humidity or rain Do not expose the device to direct sun radiation for a long time Before transport or shipment of the sen...

Страница 5: ...t be ensured by appropriate labeling o G Gas o Device categories 1 2 3 in 3 zones o Gas values Temperature class T1 T6 Prior to carrying out operations such as assembly or electrical connection make sure that o the operation approval of the owner is available o there is no explosive atmosphere o the device is disconnected from the mains o the device cannot be switched on inadvertently Avoid dust d...

Страница 6: ...cuit is isolated1 from the housing up to 30 V o A power supply according to protection class III is required SELV or PELV The permissible operating temperatures are o Electronics 20 70 C o Sensor probe 40 120 C Electrical datas o Rated voltage 24 VDC 20 o Rated current 250 mA o Measurement outputs 0 10 V 4 20 mA o Impulse output f 0 100 Hz Umax 28 8 VDC Imax 100 mA o Relais output f 0 100 Hz Umax ...

Страница 7: ... opening of the housing renders the explosion pro tection null and void Remote version The connecting cable between the sensor and the housing in cludes intrinsically safe circuits It is already connected ex works and must not be disconnected or modified in any way Mounting ground or equipotential bonding conductor The metallic enclosure of the sensor must be connected to grounding or equipotentia...

Страница 8: ...SS 20 600 Ex Supplementary instructions for use in explosive atmospheres ATEX Page 8 Figure 5 1 Grounding contacts red remote version Figure 5 2 Grounding contacts red compact sensor ...

Страница 9: ...rating voltage is active during electrical installation and that the operating voltage cannot be switched on inadvertently This applies in particular to disassembly of the sensor WARNING DO NOT DISCONNECT THE CONNECTING CABLE FROM THE SENSOR UNDER VOLTAGE WARNING DO NOT OPEN PROTECTIVE SLEEVE UNDER VOLTAGE It is recommended to connect first the connecting cable on the field side first connect the ...

Страница 10: ...or use in explosive atmospheres ATEX Page 10 Figure 6 1 Assembly of the connecting cable with protective sleeve 1 Cable bushing Protective sleeve Sensor plug Fastening screw of protective sleeve with circlip Nut of cable bushing M12 7 Nm 2 3 4 ...

Страница 11: ...ckets 2 5 mm do not for get the snap rings on the housing 4 Tighten the nut of the cable bushing M12 7 Nm 7 Type plate Labelling The type plate for labelling according to the standards is fixed at the sen sor by means of a wire loop If required the customer can attach this plate at another place as long as its subject the sensor can be identified clearly and it is legible and unde tachable Example...

Страница 12: ...sponsibility that the product SCHMIDT Flow Sensor SS 20 600 Part No 524 600 configuration code A B C D E F 2 H PP is in compliance with the appropriate European guidelines and standards and UK statutory requirements and designated standards The corresponding declarations of conformity can be download from SCHMIDT homepage www schmidt sensors com www schmidttechnology de ...

Страница 13: ...SS 20 600 Ex Supplementary instructions for use in explosive atmospheres ATEX Page 13 9 Type Examination Certificate ...

Страница 14: ...SS 20 600 Ex Supplementary instructions for use in explosive atmospheres ATEX Page 14 ...

Страница 15: ...SS 20 600 Ex Supplementary instructions for use in explosive atmospheres ATEX Page 15 ...

Страница 16: ...or use in explosive atmospheres ATEX Page 16 SCHMIDT Technology GmbH Feldbergstrasse 1 78112 St Georgen Germany Phone 49 0 7724 899 0 Fax 49 0 7724 899 101 Email sensors schmidttechnology de URL www schmidt sensors com www schmidttechnology de ...

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