Siemens EF 725 Series - Manuals

Page 2 - minimum span

2 Sensor code Upper Range Limit (URL) 621EM Liquid level interface, density Lower Range Limit (LRL) 2.5 kPa25 mbar10 inH 2 O 10 kPa100 mbar40.1 inH 2 O A B - 2.5 kPa- 25 mbar- 10 inH 2 O - 10 kPa- 100 mbar- 40.1 inH 2 O Minimum Span 0.25 kPa2.5 mbar1 inH 2 O 1 kPa10 mbar4 inH 2 O FUNCTIONAL SPECIFIC...

Page 3 - TX; ELECTRICAL CHARACTERISTICS AND OPTIONS; MINIMUM OPERATING VOLTAGES; Supply voltage; Total loop resistance; HART digital communication

3 Sensor (URL) coefficient K5 The seal(s) constant time is calculated by the following formula T S6 (sec) = [K1 x (K2 + K3 x K4) x K5] The total constant time of the transmitter/seal system is thecombination of relevant response times by the followingformula: T TX (sec) = T TR + T S6 ) x 1.2] + 0.1 ...

Page 6 - amb; Terminal block

6 Environmental protection Wet and dust-laden atmospheres The transmitter is dust and sand tight and protected againstimmersion effects as defined by IEC 529 (1989) to IP 67 (IP 68on request) or by NEMA to 4X or by JIS to C0920 Hazardous atmospheres With or without output meter/integral displayINTRI...

Page 7 - CONFIGURATION

7 CONFIGURATION • Transmitter with HART communication and 4 to 20 mAStandard configurationTransmitters are factory calibrated to customer's specified range.Calibrated range and tag number are stamped on the tag plate. Ifa calibration range and tag data are not specified, the transmitterwill be suppl...

Page 8 - MOUNTING DIMENSIONS; Transmitter with barrel housing

8 DIN type housing External ground Integral display housing Certification label Electronic side Output meter housing Terminal side MOUNTING DIMENSIONS (not for construction unless certified) Certification label Identification tag Adjustments Terminal side Electronic side Integral display housing Min...

Page 9 - Wafer type seal; OF; SIZE; Capillary to; ELECTRICAL CONNECTIONS; • HART Version

9 • Wafer type seal 2in ANSI CL 1502in ANSI CL 3003in ANSI CL 1503in ANSI CL 300DN50 DIN ND16DN50 DIN ND40DN80 DIN ND16DN80 DIN ND40 DIMENSIONS mm (in) SIZE/RATING 48484488 N ° OF HOLES G A (dia) 60 (2.36)60 (2.36)89 (3.5)89 (3.5)60 (2.36)60 (2.36)89 (3.5)89 (3.5) 92.1 (3.62)92.1 (3.62)127 (5)127 (5...

Page 10 - PRODUCT CODE; abcde f g hijk l m n op; Code; Material

10 ORDERING INFORMATION model 621EM Liquid level interface and density transmitter Select one character or set of characters from each category and specify complete catalog number.Refer to supplementary code and specify another number for each transmitter if additional options are required. PRODUCT ...

Page 12 - ORDERING INFORMATION; ab c d e f

12 The Company's policy is one of continuous productimprovement and the right is reserved to modify thespecifications contained herein without notice. SS/621EM Rev. 8 ORDERING INFORMATION Select one character or set of characters from each category and specify complete catalog number in addition to ...