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Summary of Contents for Schmidt SS 20.515 LED
- Page 1 ® SCHMIDT Flow Sensor SS 20.515 LED Instructions for Use...
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Page 2: Table Of Contents
Information concerning Operation ..........12 Service Information................ 13 Technical Data ................14 Declarations of Conformity ............15 Imprint: Copyright 2022 SCHMIDT Technology GmbH All rights reserved Version: 551743.02D Subject to modifications ® Instructions for Use - SCHMIDT Flow Sensor SS 20.515 LED Page 2... -
Page 3: Important Information
2). In particular, it is not designed for direct or indirect protec- tion of personal and machinery. SCHMIDT Technology cannot give any warranty as to its suitability for certain purpose and cannot be held liable for accidental or sequen- tial damage in connection with the delivery, performance or use of this unit. -
Page 4: Application Range
2 Application Range ® The SCHMIDT Flow Sensor SS 20.515 LED (551550) is designed for stationary use in cleanrooms under atmospheric pressure and clean envi- ronmental conditions. The sensor measures the flow velocity of the gaseous medium (reference: air) as standard velocity (unit: m/s), relative to standard conditions of 1013.25 hPa and 20 °C. - Page 5 Mounting sequence ® For the assembly of the SCHMIDT Flow Sensor SS 20.515 LED, five different assembly versions optimized for use in cleanrooms are available, in order to cover all the different applications (see Table 1). First, the required holes, depending on the assembly version, must be drilled, and the corresponding fixing socket must be mounted in that hole.
- Page 6 M6 - Opening in ceiling / wall required with a Ø of 15 mm for cable plus 2 threads M6 - Pressure-tight till 300 mbar Table 1 ® Instructions for Use - SCHMIDT Flow Sensor SS 20.515 LED Page 6...
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Page 7: Electrical Connection
4 Electrical Connection ® The SCHMIDT Flow Sensor SS 20.515 LED is equipped with a plug-in connector firmly integrated into the enclosure with the following data: Number of connection pins: 7 (plus shield connection of metallic housing) Type: Male Locking of connecting cable:... - Page 8 Operating voltage ® The SCHMIDT Flow Sensor SS 20.515 LED is protected against a po- larity reversal of the operating voltage. It has a nominal operating voltage range of U = 24 V ± 10 %. Only operate the sensor within the defined operating voltage range (21.6 …...
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Page 9: Signalizing
5 Signalizing ® The SCHMIDT Flow Sensor SS 20.515 LED maps the respective meas- uring quantity linearly to the corresponding analog output. The represen- tation specification depends both on the measuring quantity and the out- put characteristics (see figures in the following tables). - Page 10 Temperature of medium above +70 °C Measuring values above T are output in a linear way up to ap- M,max prox. 75 °C (10.6 V or 20.9 mA). ® Instructions for Use - SCHMIDT Flow Sensor SS 20.515 LED Page 10...
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Page 11: Startup
6 Startup ® The SCHMIDT Flow Sensor SS 20.515 LED is ready within 20 s after switch-on. If the sensor has a temperature different from that of the place of use, this time will increase until the sensor has acclimatised. -
Page 12: Information Concerning Operation
Ambient condition medium ® The SCHMIDT Flow Sensor SS 20.515 LED is designed for use in clean to slightly contaminated media. Dirt or other deposits on the head of the sensor cause false meas- urement results. -
Page 13: Service Information
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. -
Page 14: Technical Data
Stainless steel 1.4404 Weight 300 g max. (straight, 1,000 mm, type 3) Under reference condition; calibration is carried out in downfall wind tunnel Only with correctly attached connecting cable ® Instructions for Use - SCHMIDT Flow Sensor SS 20.515 LED 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 20.515 LED Part-No. 551 550 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 20.515 LED Page 16...
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