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Summary of Contents for Schmidt SS 20.415 Twin
- Page 1 ® SCHMIDT Flow Sensor SS 20.415 Twin Instructions for Use...
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Page 2: Table Of Contents
Service information ................ 12 Technical data ................14 Declarations of conformity ............. 15 Imprint: Copyright 2022 SCHMIDT Technology GmbH All rights reserved Version: 568106.02 Subject to modifications ® Instructions for Use - SCHMIDT Flow Sensor SS 20.415 Twin Page 2... -
Page 3: Important Information
2). In particular, it is not designed for direct or indirect protection of personal and machinery. SCHMIDT Technology cannot give any warranty as to its suitability for a certain purpose and cannot be held liable for errors contained in these instructions for use or for accidental or sequential damage in connection with the delivery, performance or use of this unit. -
Page 4: Application Range
2 Application range ® The SCHMIDT Flow Sensor SS 20.415 Twin (566950) is designed for stationary use in cleanrooms under atmospheric pressure conditions and clean environmental conditions. The sensor consists of two independent, spatially closely positioned sen- sor heads. Both of them are measuring the flow velocity of the measured... -
Page 5: Mounting Instructions
Finally, the holding fixture screw must be tightened with a key wrench (wrench size 22) until the sensor is sufficiently secured against twisting (hold sensor, if necessary). Prior to commissioning the sensor, remove the protective caps. ® Instructions for Use - SCHMIDT Flow Sensor SS 20.415 Twin Page 5... - Page 6 (deviation > 1 %). Finally, fully fasten the assembly screw using the fork wrench (SW22; hold sensor, if necessary) to prevent the sensor from unintentional rotating. ® Instructions for Use - SCHMIDT Flow Sensor SS 20.415 Twin Page 6...
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Page 7: Electrical Connection
4 Electrical connection Plug-in connector ® The SCHMIDT Flow Sensor SS 20.415 Twin is equipped with a plug-in connector which is firmly integrated in the probe. The connector has the following data: Number of connection pins: 7 (plus shield connection on the metallic enclosure) - Page 8 EN 50178) has to be considered. Operating voltage ® The SCHMIDT Flow Sensor SS 20.415 Twin is protected against a po- larity reversal of its operating voltage. It has a nominal operating voltage range of U = 24 V ±...
- Page 9 The specific resistance of a lead of the nominal cable (0.14 mm at L = 10 m a current of I = 32 mA can cause a voltage drop up to 50 mV. B,U,max ® Instructions for Use - SCHMIDT Flow Sensor SS 20.415 Twin Page 9...
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Page 10: Signalizing
Response time (damping of measured values): By default the response time of flow measurement is 5 s. LED light ring The SS 20.415 Twin indicates its current operating state via a light ring in its bracket: Colour signal Function / failure... -
Page 11: Startup
6 Startup ® The SCHMIDT Flow Sensor SS 20.415 Twin is ready within 5 seconds after switch-on. If the sensor has a temperature different from that of the installation site, this time will be extended until the sensor has become acclimatized. -
Page 12: Service Information
Transport / dispatch of the sensor When transporting or dispatching the SS 20.415 Twin, the sup- plied protective caps should be placed over the sensor’s heads. Avoid soiling of or mechanical impacts on the sensor’s heads. - Page 13 12-month interval. To do so, the sensor must be sent in to SCHMIDT Technology. Spare parts or repair No spare parts are available, since a repair is only possible at SCHMIDT Technology. In case of defects, the sensors must be sent in to the sup- plier for repair.
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Page 14: Technical Data
- Light ring Ø 14 mm Table 5 Under reference condition Values in brackets apply to the variant with current interfaces Only with correctly attached connecting cable ® Instructions for Use - SCHMIDT Flow Sensor SS 20.415 Twin Page 14... -
Page 15: Declarations Of Conformity
10 Declarations of conformity SCHMIDT Technology GmbH herewith declares in its sole responsibility, that the product SCHMIDT Flow Sensor SS 20.415 Twin Part-No. 566 950 is in compliance with the appropriate European guidelines and standards UK statutory requirements and designated standards. - Page 16 SCHMIDT Technology GmbH Feldbergstraße 1 78112 St. Georgen Germany Phone +49 (0)7724 / 899-0 +49 (0)7724 / 899-101 Email sensors@schmidttechnology.de www.schmidt-sensors.com www.schmidttechnology.de ® Instructions for Use - SCHMIDT Flow Sensor SS 20.415 Twin Page 16...
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