Dwyer Instruments UL series, Specifications-Installation And Operating Instructions

Page 1: ...rs Specifications Installation and Operating Instructions Bulletin L UL DWYER INSTRUMENTS INC Phone 219 879 8000 www dwyer inst com P O BOX 373 MICHIGAN CITY INDIANA 46361 U S A Fax 219 872 9057 e mail info dwyer inst com ...

Page 2: ...ar Contracted Sharp Crested Weir Type 2 13 Trapezoidal Cipolletti Sharp Crested Weir Type 3 13 V Notch Triangular Sharp Crested Weir Type 4 13 Parshall Flume Type 5 14 Palmer Bowlus Flume Trapezoidal Throat Cross Selection Type 6 14 H Flume Type 7 14 Leopold Lagco Flume Type 8 14 Chapter 5 Troubleshooting 22 mA Signal Error Messages 15 Appendix A Gas Factor Table 16 Appendix B Installation Tips 16...

Page 3: ... at 20 C Resolution 0 04 1 mm Blind Zone ULB 11 and ULF X1 XXX 0 8 ft 25 m ULB 12 and ULB X2 XXX 1 96 ft 0 6 m Beam Angle 5 3db point Temperature Limits 40 to 158 F 40 to 70 C Temperature Compensation Automatic Pressure Limits 13 5 psi 0 9 bar to 30 psi 2 bar Power Requirement 18 to 28 VDC Output Signal 4 to 20 mA Max Loop Resistance 750 Ω at 28 VDC Electrical Connection Screw terminal Conduit Con...

Page 4: ...TE Even the slightest difference in angle may affect echo quality Placed as far as possible from noisy areas such as a filling inlet NOTE When installed in a humid environment it is recommended to position the sensor on a tripod on top of the vessel Installing the Unit on Threaded Flange Thread Free Flange The unit is available in 2 NPT or 2 BSP upon request The unit can be installed with threaded...

Page 5: ...asten the four retaining screws Figure 4 Conduit Adapter NOTE The conduit adapter should not exceed a torque of 50 lb in To maintain a proper seal make sure that conduit is firmly screwed to the conduit s adaptor Non Intrinsically Safe Connections Figure 5 Non Intrinsically Safe Positive Ground Connection Figure 6 Non Intrinsically Safe Negative Ground Connection Power Supply and Load Resistance R...

Page 6: ...apter 4 Open Channels ULF Setting parameters for all other functions and accessing the functions are described in this chapter Using Series UL Functions The LCD display screen functioning in normal mode provides continuously updated measurement readings The display screen is also used to view the menu options function settings and data values accessed by using the function buttons The picture belo...

Page 7: ...as an interfering signal until a reading is achieved that indicates the real echo If six interfering signals are already stored the next read values will not be saved NOTE The reading of the actual target height may not be exact for example a target height of 19 69 ft 6 m may give a reading in the range 19 62 to 19 75 ft 5 98 to 6 02 m The displayed values are in distance units To Define Interferi...

Page 8: ...Channel Series are flow When changing from one measurement mode to another the measurement units will be changed automatically for example when changing from level mode to flow mode the units will change from feet to GPM or meters to M3 H depending on the model The measurement mode selected for the 4 to 20 mA values will not influence the measurement mode selected for the display Pr08 In case of p...

Page 9: ... Distance or Level Display for ULB and ULF Liquid Only The Pr08 function enables you to choose whether the unit displays either distance or level measurements There are two settings available d000 Distance mode default setting In this mode the unit displays the distance from the sensor to the surface of the contents L000 Level mode In this mode the unit displays the level of the contents from the ...

Page 10: ...e default settings press ESC when CLCL is displayed A redo option is not available when ENT has been pressed To Restore the Default Settings Shifting the Blocking Distance This function enables you to define an area in which measurement results would be ignored This option is applicable for installations requiring extension pipes or nuzzles positioned above the material level This area should appr...

Page 11: ...measurements This function is available only in the ULF Open Channel series When setting flow measurement parameters in the Pr00 function the flume weir type value X is entered first followed by the letter U or E that represents either American USA or European standard flume weir The code value YY represents the appropriate flume weir dimensions in the following format The open channel types and c...

Page 12: ...i Flume Long Base Weir Page 13 Type X 1 2 3 4 5 6 7 8 9 American Standard Pages 13 14 Rectangular Suppressed Sharp Crested Weir Page 13 Rectangular Contracted Sharp Crested Weir Page 13 Trapezoidal Cipolletti Sharp Crested Weir Page 13 V notch Triangular Sharp Crested Weir Page 13 Parshall Flume Page 14 Palmer Bowlus Flume Trapezoidal Throat Cross Selection Page 14 H Flume Page 14 Leopold Lagco Fl...

Page 13: ...turi Flume Code YY 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 Throat Width in 1 2 3 6 9 12 18 24 36 48 60 72 96 120 144 Figure 16 Parshall Flume Code YY 01 02 03 04 05 06 07 08 09 10 Conduit Diameter in D 6 8 10 12 15 18 21 24 27 30 Figure 17 Palmer Bowlus Flume Trapezoidal Throat Cross Selection Code YY 01 02 03 04 05 06 07 08 Flume Size ft 0 5 0 75 1 1 5 2 2 5 3 4 5 Figure 18 H Flume Measureme...

Page 14: ...ong Base Weir Type 1245A 1245B 1245C 1245D Figure 20 Long Base Weir Figure 21 Rectangular Suppressed Sharp Crested Weir Code YY 01 02 03 04 05 06 07 08 09 Crest Length in 12 00 18 00 24 00 30 00 36 00 48 00 60 00 72 00 96 00 Figure 22 Rectangular Contracted Sharp Crested Weir Code YY 01 02 03 04 05 06 07 08 09 Crest Length in 12 00 18 00 24 00 30 00 36 00 48 00 60 00 72 00 96 00 Figure 23 Trapezoi...

Page 15: ...Y 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 Conduit Diameter in D 4 6 8 10 12 15 18 21 24 27 30 36 42 48 60 72 Figure 26 Palmer Bowlus Flume Trapezoidal Throat Cross Selection Code YY 01 02 03 04 05 06 07 08 Flume Size in 6 9 12 18 24 30 36 54 Figure 27 H Flume Measurement Point in 1 96 2 75 3 54 5 51 7 08 9 05 11 02 16 14 Code YY 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 Crest Leng...

Page 16: ...y is appropriate check grounding connection Make sure that the power supply corresponds with the specifications described in Chapter 2 Installing the Unit If the problem persists replace the power supply Contact Dwyer Technical Support Contact Dwyer Technical Support Make sure that the power supply corresponds with the specifications described in Chapter 2 Installing the Unit If the problem persis...

Page 17: ...avoid rectified PS Non operational when switched to recharge 3 Power Source PLC Connections Barrier Must Be Must Be As specified in the user manual preferably grounded Connected in EX zones grounded 4 2 Wire Interface Tank Height Level Distance 4 to 20 settings 5 cm margin Scan distance 1 Scan distance 2 Scan distance 3 SBD 1 SBD 2 Must Be Must Be Must Be Must Be Must Be Must Be Must Be Must Be Co...

Page 18: ...nclature Copyright 2010 Dwyer Instruments Inc Printed in U S A 12 10 FR R4 443852 00 DWYER INSTRUMENTS INC Phone 219 879 8000 www dwyer inst com P O BOX 373 MICHIGAN CITY INDIANA 46361 U S A Fax 219 872 9057 e mail info dwyer inst com ...