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Kobold NUS-4x04, Инструкция по эксплуатации

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 NUS-4 

NUS-4 K05/0216 

Seite 29 

P40= 13 

Khafagi Venturi flume 

Q[m

3

/s]= 

P42

*1.744*h

1.5

 + 0.091*h

2.5

 

 

15cm

P46

Sensor

h

P4

2

Sensor

P40= 14 

Bottom step weir 

0.0005 < Q[m

3

/s] < 1 

0.3 < 

P42

[m] < 15 

0.1 < h[m] < 10 
Q[m

3

/s]= 5.073*

P42

*h

1.5

 

Accuracy: 

10%

 

P40=14

P46

P42

h

 

P40= 15 

Suppressed rectangular or BAZIN weir 

0.001 < Q[m

3

/s] < 5 

0.15 < 

P41

[m] < 0.8 

0.15 < 

P42

[m] < 3 

0.015 < h[m] < 0.8 
Q[m

3

/s]= 

1.7599*[1+(0.1534/

P41

)]*

P42

*(h+0.001)

1.5 

Accuracy: 

1%

 

P40=15

P04

P46

h

P42

P41

 

P40= 16 

Trapezoidal weir 

0.0032 < Q[m3/s] < 82 
20 < 

P41

[°] < 100 

0.5 < 

P42

[m] < 15 

0.1 < h[m] < 2 
Q[m3/s]= 
1.772*

P42

*h1.5+1.320*tg(

P41

/2)*h2.47 

Accuracy: 

5% 

P40=16

P04

P46

h

P42

P41

 

P40= 17 

Special Trapezoidal (4:1) weir 

0.0018 < Q[m3/s] < 50 
0.3 < 

P42

[m] < 10 

0.1 < h[m] < 2 
Q[m3/s]= 1.866*

P42

*h1.5 

Accuracy: 

3% 

1

4

P40=17

P46

P04

h

P42

 

P40= 18

 

V-notch weir 

0.0002 < Q[m3/s] < 1 
20 < 

P42

[°] < 100 

0.05 < h[m] < 1 
Q[m3/s]= 1.320*tg(

P42

/2)*h2.47 

Accuracy: 

3% 

P40=18

h

P46

P42

P04

 

Содержание NUS-4x04

Страница 1: ...Instruction Manual for Ultrasonic Level Meter Model NUS 4...

Страница 2: ...with the Display Module NUS 400P 13 8 3 3 GET LEVEL Function 14 8 3 4 INDICATIONS OF THE NUS 400P AND LED STATUS 14 8 3 5 QUICKSET 15 8 3 6 Full Parameter Access 17 9 Parameters Description and Progr...

Страница 3: ...NUS 4 NUS 4 K05 0216 Seite 3 Manufactured and marketed by Kobold Messring GmbH Nordring 22 24 D 65719 Hofheim Tel 06192 2990 Fax 06192 23398 Internet http www kobold com e mail info de kobold com...

Страница 4: ...el service forwarding agent immediately since they are responsible for damages during transit Scope of delivery The standard delivery includes Ultrasonic level meter model NUS 4 Instruction Manual 4 R...

Страница 5: ...ding focusing deep penetration through gases vapour and foam is ensured 6 Mechanical connection 6 1 Block distance Due to signal characteristics of the sensor there is an area directly below the senso...

Страница 6: ...ic beam One fix object in the tank silo that disturb the measurement can be blocked out by the optional programming unit FOAM Foaming of the liquid surface may render ultrasonic level metering impossi...

Страница 7: ...install the sensor as close as possible above the expected maximum water level see minimum measuring range Install the device in a place defined by the characteristics of the metering channel along th...

Страница 8: ...ommonly used to avoid electrostatic discharge e g by touching a properly grounded point before removing the cover of the enclosure With removal of the cover of the housing and taking out the display m...

Страница 9: ...device Min measuring distance dead band DEFAULT value of P05 programmed value of P04 X m 8 2 Programming without Display Module Programming is only possible if the Transmitter is in Level Measuring M...

Страница 10: ...eted Maximum Level 100 full tank assignment to 20 mA Place the sensor at a distance to an object corresponding to the minimum distance the maximum level Action Led state following the action B B Use l...

Страница 11: ...ted programming blinking four times NUS 4 not in Level Measurement Mode With NUS 400P only See 8 3 P01 8 3 Programming with the Display Module NUS 400P All features of the unit can be set such as meas...

Страница 12: ...exity depending on user choice PLUG IN DISPLAY MODULE QUICKSET FULL PARAMETER ACCESS 8 3 1 Display Module NUS 400P Symbols used on the LCD DIST Distance measuring mode LEV Level measuring mode VOL Vol...

Страница 13: ...f the blinking digit DOWN to decrease value of the blinking digit Double key pressing Press the two keys simultaneously for desired programming step Enter into or quit programming modes Basic steps wh...

Страница 14: ...f the relay is closed NUS 400P indications Depending on the measurement one of the below symbols will lit and the process value displayed see P01 chapter 9 1 Engineering units will be indicated direct...

Страница 15: ...nt of min level to 4 mA Assignment of max level to 20 mA Error indication by the current output Damping time QUICKSET program mode can only be used in measuring mode Level LEV see P01 in 9 1 Measureme...

Страница 16: ...UP DOWN to display the actual measured value with level in tank or a fixed target i e wall GET LEVEL functions only if ECHO LED is lit and save it as above DEFAULT 0 m 0 Empty tank 20 mA xxxx level va...

Страница 17: ...Programming Mode Steps and indications of the Full Parameter Access programming mode pressing Keys while Parameter Address is blinking while Parameter Value is blinking ENTER E Go to the Parameter Va...

Страница 18: ...be displayed and proportional with the current output Depending on the value of a process values as listed in the 3d column can also be displayed by pressing NEXT For return to the display of the basi...

Страница 19: ...VOL or FLOW Displaeyed Value Display Format Obviously the decimal position will be shifted with increasing value displayed See table at the left Values over one million will be displayed in exponenti...

Страница 20: ...nter the actual measured value displayed as P04 Model Factory default of maximum measuring distance m ft NUS 4x04 4 13 NUS 4x06 6 20 NUS 4x08 8 26 NUS 4x10 10 33 NUS 4x15 15 49 NUS 4x25 25 82 FACTORY...

Страница 21: ...quid level in the flume weir falls below the blocked out range The NUS 4 will act as follows Indicate No Flow on the Display Hold last valid data on the current output If the level in the flume weir i...

Страница 22: ...De energised C1 C2 Time P14 P15 Level P14 P15 There is a need to set in level min 20mm hysteresis between P14 and P15 P14 P15 normal operation P14 P15 inverted operation 1 Relay is energised in case o...

Страница 23: ...ect of possible multiple echos a Compensation Applied 0 OFF In case the NUS 4 is not mounted in the centre of the top and the top is flat 1 ON In case the NUS 4 is mounted in the centre of a tank with...

Страница 24: ...ly This parameter only influences the echo selection within the measuring window a Echo in the window to be selected Remark 0 With the highest amplitude For most applications both with liquids and sol...

Страница 25: ...on the display and analogue output will shift towards the full tank state with a level elevation rate filling speed pre set in P26 3 Immediate indication In case of echo loss the display will immedia...

Страница 26: ...ht will be displayed instead of VOL FACTORY DEFAULT 0 kg dm3 or lb ft3 depending on P00 c 9 5 Volume Measurement P40 ba Tank shape ba Tank shape Also to be set Attention The value a determining the sh...

Страница 27: ...reparation 09 General PARSHALL flume P46 P42 10 PALMER BOWLUS D 2 P46 P41 11 PALMER BOWLUS D 3 P46 P41 12 PALMER BOWLUS Rectangular P46 P41 P42 13 Khafagi Venturi P46 P42 14 Bottom step weir P46 P42 1...

Страница 28: ...K P42 h1 6 P 2 3 A A h P46 Sensor Sensor P42 P P40 10 Palmer Bowlus D 2 flume Q m3 s f h1 P41 P41 2 5 where h1 m h P41 10 P04 P46 h P41 D D 10 1 2 D 2 P40 11 Palmer Bowlus D 3 flume Q m3 s f h1 P41 P4...

Страница 29: ...8 0 15 P42 m 3 0 015 h m 0 8 Q m3 s 1 7599 1 0 1534 P41 P42 h 0 001 1 5 Accuracy 1 P40 15 P04 P46 h P42 P41 P40 16 Trapezoidal weir 0 0032 Q m3 s 82 20 P41 100 0 5 P42 m 15 0 1 h m 2 Q m3 s 1 772 P42...

Страница 30: ...46 P40 19 P04 h 90 P40 20 Circular weir 0 0003 Q m 3 s 25 0 02 h m 2 Q m 3 s m b D 2 5 m 0 555 0 418h P41 P41 0 11 h Accuracy 5 P40 20 P46 P04 h P41 P46 Distance between transducer face and level of Q...

Страница 31: ...the display as r contain the calibrated values and are interpreted according to the selected measurement value in P01 a Number of data pairs in the table Level volume flow Enter the table Address of...

Страница 32: ...e circuit tErr will be displayed The transmitter will perform temperature correction corresponding to 20 C P70 Number of Echoes Echo Map NUS 4 is monitoring the echo conditions Entering this parameter...

Страница 33: ...splay code according to the table below and symbol on the screen Test the relay by pressing UP and DOWN while observing change of the symbol and the code or listening to the ticking of the relay or ch...

Страница 34: ...rror description Causes and solutions 1 Memory error Contact local agent No Echo Echo loss No echo received no reflection See Action 5 and 6 3 Hardware error Contact local agent 4 Display overflow Che...

Страница 35: ...Channel P16 22 Relay parameter Pulse rate P44 26 Dimensions of tank Open Channel P17 N A P45 26 Dimensions of tank Open Channel P18 N A P46 30 Dist Btw Transducer face and level of Q 0 P19 N A P47 31...

Страница 36: ...sound velocity of various gases measured at Gases Sound Velocity m s Gases Sound Velocity m s Acetaldehyde C2H4O 252 8 Ethylene C2H4 329 4 Acetylene C2H2 340 8 Helium He 994 5 Ammonia NH3 429 9 Hydrog...

Страница 37: ...ct surface Process temperature 30 90 C Ambient temperature 30 70 C 25 70 C with programming unit Operating pressure 0 5 3 bar abs for use 1 bar abs contact Kobold Housing Aluminium powder coated Senso...

Страница 38: ...tion Supply voltage Output display NUS 4 0 Poly propylene 9 PVDF 04 0 2 4 m liquids 0 2 1 6 m solids R8 G 1 1 2 N8 1 1 2 NPT 3 12 36 VDC 40 4 20 mA R0 4 20 mA and Relay 4P pluggable programming unit w...

Страница 39: ...2 BSP oder NPT BSP L nge 15 NPT L nge 22 2 x M20x1 5 2 x 1 2 NPT 60 97 5 42 2 x M20x1 5 2 x 1 2 NPT 60 89 97 5 2 BSP oder NPT BSP L nge 15 NPT L nge 22 53 NUS 4x08 NUS 4x10 2 x M20x1 5 2 x 1 2 NPT 89...

Страница 40: ...quirements EN 61326 1 2013 Electrical equipment for measurement control and laboratory use EMC requirements Part 1 General requirements EN 61326 2 3 2013 Electrical equipment for measurement control a...

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