Xylem MJK 713U Manual Download Page 35

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Manual

US 3.10 713 FLOW CONVERTER 1905 - SW 833062

Dimension:

Max. head:

(Max. nominal flow)

[ft]

[CFS]

22,5° V-notch

2,00

2,811

30° V-notch

2,00

3,824

45° V-notch

2,00

5,855

60° V-notch

2,00

8,163

90° V-notch

2,00

14,14

120° V-notch

2,00

24,49

V-notch weirs

The values stated are valid only for contractions constructed

with the minimum dimensions as shown in above figure.

www.calcert.com

[email protected]

1.888.610.7664

Summary of Contents for MJK 713U

Page 1: ...1 Manual US 3 10 713 FLOW CONVERTER 1905 SW 833062 MJK 713 Open Channel Flowmeter www calcert com sales calcert com 1 888 610 7664 0 5 10 15 20 25 30...

Page 2: ...aration relates is in conformity with the following standard s or other normative document s EN60079 0 2006 EN60079 11 2007 EN61000 6 1 2007 EN61000 6 3 2007 following the provisions of Directive 2004...

Page 3: ...with smaller flumes weirs 10 The spread of the ultrasonic signal 10 Measuring through a concrete deck 11 Measurement through a pipe for foam protection 11 Model 3100 Hydrostatic Transmitter 12 Measuri...

Page 4: ...linearization 24 3 5 1 Number of Q h points 24 3 5 2 Select decimal point for the flow values 24 3 5 3 Linearization height value 24 3 5 4 Linearization flow value 24 3 6 Optional formula 24 3 6 1 Opt...

Page 5: ...e of the environment on the installation site Wear necessary protective equipment and follow all current safety regulations 3 MJK 713 can provide a start signal for dangerous machinery Always ensure t...

Page 6: ...epending on how the volume of water is mea sured preprogrammed formulas for different dimensions of the most common flumes and weirs Parshall flumes Palmer Bowlus flumes V notch weirs and rectan gular...

Page 7: ...anual 2a To ensure a reliable and precise level measurement it is of vital importance that the ultrasonic sensor points down absolutely vertical against the liquid surface 1 The ultrasonic sensor is e...

Page 8: ...ensor is as close as possible to the max height of the head but not closer than the blocking distance Measuring range 0 3 ft 0 10 ft Blocking distance 16 30 Min measuring range 4 12 Max measuring rang...

Page 9: ...i nal width b Measuring distances for V notch weirs The distance L should be between 3 to 4 times the height h of the notch 4 Mount the sensor in the correct upstream distance from the head in the flu...

Page 10: ...ement distance The signal spread should be increased by 50 100 if the surface is not smooth Flow measurement with smaller flumes weirs Smaller flumes may cause problems if the ultrasonic sig nal refle...

Page 11: ...h a pipe since the build up of foam rarely will occur inside the pipe Measurement through a pipe for foam protection Measuring through a concrete deck When the ultrasonic sensor is measuring through a...

Page 12: ...Actual measurement Measuring range Measuring distances for Palmer Bowlus flumes Diameter D Distance L Diameter D Distance L 4 2 18 9 6 3 21 10 5 8 4 24 12 10 5 27 13 5 12 6 30 15 15 7 3 Mount the tran...

Page 13: ...r weirs with and without side contraction The distance L should be between 4 to 5 times the nomi nal width b Measuring distances for V notch weirs The distance L should be between 3 to 4 times the hei...

Page 14: ...4 Power supply Current output 0 4 20 mA Totalizer output Standard cable length 40 ft Can be extended to max 150 ft using MJK no 690010 cable No 1 brown No 2 red No 3 orange No 4 yellow No 5 black MJK...

Page 15: ...Color Designation 1 Brown Ultrasonic pulse 2 Red 3 Orange Temperature compensation 4 Yellow 5 Black Shield This wire is connected to the cable shield The wires are mounted according to the terminal m...

Page 16: ...713 respectively Take care not to block or squeeze the air pressure compensation tube Cutting the cable The cable is delivered with the wires stripped as shown with wire no 3 soldered to the shield Wh...

Page 17: ...keys are used for changing a current setting Pressing the arrow keys change the values up or down By pressing the up arrow keys the number in the display will increase Pressing the down arrow keys wi...

Page 18: ...k setup sequence after app 30 sec The following menus is only shown the first time MJK 713 is powered up and will not appear again after the initial quick setup sequence unless the quick start sequenc...

Page 19: ...plished in the configuration menus which in turn are divided into sev eral sub menus You gain access to the configuration menus by pressing the MENU key In each menu the dif ferent settings are obtain...

Page 20: ...re the total quantity is indicated from when the value was last reset The quantity is updated every second and is indicated with time and date The value is reset by pressing ENTER F6 Totalizer 1 hour...

Page 21: ...e flowmeter is powered up The upper line in the display shows the time for starting the alarm The bottom line shows the time for stop When an alarm is detected only the time for start is shown in the...

Page 22: ...anguage Press MENU twice for Change the language with the arrow keys and confirm with ENTER Enter access code Press MENU three times for The remaining configuration menus can be protected with a 4 dig...

Page 23: ...elect with the arrow keys and confirm with ENTER 1 5 Select unit volume The unit for volume can be chosen between m3 Gal CF Select with the arrow keys and confirm with ENTER 1 6 Select unit flow rate...

Page 24: ...many times the menus 3 5 3 to 3 5 4 will appear 3 5 2 Select decimal point for the flow values Select the decimal point and 10 100 1000 multiplier for the flow points between X XXXX and XXXXX000 with...

Page 25: ...counter 4 2 Select function for DO For digital output 1 4 select with arrow keys between various functions counter output sampler flow 0 flow high flow low and alarm sensor error The choice is confir...

Page 26: ...maximum delay is 99 minutes and 59 seconds 4 8 Digital output NC NO The relay function for digital output is keyed in as Nor mally Open NO or Normally Closed NC Select with ar row keys confirm with E...

Page 27: ...lizer 1 hr Press 2 X Totalizer today Press 3 X Totalizer last 24 hr In the last selection the totalizer values for the last 99 days can be displayed using the arrow keys Alarm key Press 1 X for alarm...

Page 28: ...anual US 3 10 713 FLOW CONVERTER 1905 SW 833062 Configuration menus 1 0 2 0 3 0 1 1 1 2 2 1 1 1 4 2 1 2 1 3 1 6 1 5 2 2 3 1 3 2 3 3 3 7 www calcert com sales calcert com 1 888 610 7664 0 5 10 15 20 25...

Page 29: ...LOW CONVERTER 1905 SW 833062 Configuration menus 4 0 5 0 4 1 4 2 4 5 4 6 4 3 4 4 4 7 4 8 3 4 3 5 3 6 3 4 1 3 5 1 3 6 1 3 4 2 3 5 2 3 6 2 3 5 3 3 6 3 3 5 4 www calcert com sales calcert com 1 888 610 7...

Page 30: ...flow 1 000 MGD 10 00 MGD Flow Calculations Parshall Flume 6 range 10 in Palmer Bowlus Flume 10 range 10 in V notch 90 Rectangular Crest width 10 00 in Optional Formula Exponent 1 000 Factor 0 100 Dig...

Page 31: ...l U r o s n e S n o i t i d n o C d e k c a r c r o d e r u o l o c s i m r o s n e s e h t f o t r a p k c a l b e h t s I e h t r o f d e t i u s t o n s i r o s n e s e h t t a h t s e t a c i d n...

Page 32: ...ire 4 20 mA passive transmitter Cable 2 AWG 20 shielded oil resistant PUR insulation Cable length 39 ft Longer cable lengths available consult the factory Enclosure NEMA 6P withstands a static pressur...

Page 33: ...out in field Ultrasonic measuring circuit Gain With this potentiometer the signal strength of the received signal can be adjusted The potentiometer is normally set in center position At applications...

Page 34: ...25 10 47 3 ft w contraction 1 50 16 52 4 ft w contraction 2 00 33 91 5 ft w contraction 2 50 59 23 6 ft w contraction 3 00 93 44 8 ft w contraction 4 00 191 8 10 ft w contraction 5 00 335 1 Appendix...

Page 35: ...2 811 30 V notch 2 00 3 824 45 V notch 2 00 5 855 60 V notch 2 00 8 163 90 V notch 2 00 14 14 120 V notch 2 00 24 49 V notch weirs The values stated are valid only for contractions constructed with th...

Page 36: ...36 Manual US 3 10 713 FLOW CONVERTER 1905 SW 833062 www calcert com sales calcert com 1 888 610 7664 0 5 10 15 20 25 30...

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