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Summary of Contents for Schmidt SS 20.515
- Page 1 ® SCHMIDT Flow Sensor SS 20.515 Instructions for Use...
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Page 2: Table Of Contents
Commissioning ................11 Information concerning operation ..........11 Service information ................ 12 Technical data ................14 EC Declaration of Conformity ............15 Imprint: Copyright 2011 SCHMIDT Technology All rights reserved Version: 531227.02A Subject to modifications Instructions for use SS 20.515 Page 2... -
Page 3: Important Information
2). In particular, it is not designed for direct or indirect per- sonal protection. SCHMIDT Technology cannot give any warranty as to its suitability for certain purpose and cannot be held liable for accidental or se- quential damage in connection with the delivery, performance or use of this unit. -
Page 4: Application Range
3 Mounting instructions General information on handling The flow sensor SS 20.515 is a sensitive measuring instrument. This is why applying mechanical force to the sensor tip should be avoided. The sensor tip can be damaged irreversibly due to mechanical loads. - Page 5 Assembly ® For the assembly of the SCHMIDT Flow sensor SS 20.515, five differ- ent 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 - For mounting under the ceiling or at a wall with two screws M6. - Opening in ceiling / wall required with a Ø of 15 mm for cable and 2 threads M6. Table 1 Instructions for use SS 20.515 Page 6...
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Page 7: Electrical Connection
No. 505911-x (x = 1 / 2 / 3). Make sure that no operating voltage is active during electrical installation and that the operating voltage cannot be switched on inadvertently. Instructions for use SS 20.515 Page 7... - Page 8 Maximum load capacitance C 10 nF Maximum recommended cable length: 100 m Wiring: Figure 4-1 Both signal outputs 22 mA (maximum measuring values), minimum operating voltage. Signaling as specified in NAMUR NE 43 Instructions for use SS 20.515 Page 8...
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Page 9: Signaling
5 Signaling The sensor SS 20.515 reproduces the respective measuring quantity linearly on the relevant analog output. The representation specification depends both on the measuring quantity and the output characteristics (see figures in the following tables). - Page 10 Measuring values larger than w are output in a linear way up to N,max 110 % of the signaling range (11 V or 21.6 mA). At still higher values of w , the output signal remains constant. Instructions for use SS 20.515 Page 10...
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Page 11: Commissioning
Ambient condition temperature ® The SCHMIDT Flow sensor SS 20.515 monitors the temperature of both medium and electronics. As soon as one of the measuring values leaves the specified operating range, the sensor switches off the flow measurement and reports the corresponding error. As soon as proper operational conditions are restored, the sensor resumes the measuring mode. -
Page 12: Service Information
Ambient condition medium ® The SCHMIDT Flow sensor SS 20.515 is designed for use in clean to slightly contaminated media. Dirt or other deposits on the sensor cause false measurement results. Therefore, the sensor must be checked for contamination at regular intervals and cleaned if necessary. - Page 13 12-month interval. To this end, the sensor must be sent 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
300 mm (standard); special length up to 1000 mm Weight 300 g max. (straight, 1000 mm, type 3) Table 5 Under calibration conditions and with regard to reproducibility of the reference. According to EN 50178 Instructions for use SS 20.515 Page 14... -
Page 15: Ec Declaration Of Conformity
10 EC Declaration of Conformity Instructions for use SS 20.515 Page 15... - Page 16 SCHMIDT Technology GmbH Feldbergstrasse 1 78112 St. Georgen / Schwarzwald Phone +49 (0)7724 / 899-0 Fax +49 (0)7724 / 899-101 info@schmidttechnology.de www.schmidttechnology.de Instructions for use SS 20.515 Page 16...
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