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Kobold NUS-7 Series, Инструкция по эксплуатации

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 NUS-7 

NUS-7 K03/0617 

Seite 21 

P40= 10 

 

Palmer-Bowlus (D/2) flume 

Q[m

3

/s]= f(h1/

P41

)*

P41

2.5

, 

where h1[m]= h+(

P41

/10) 

P41

 

m

 

 

P04

P46

h

P41

D

D/10

1

2

D/2

P40= 11 

 

Palmer-Bowlus (D/3) flume 

Q[m

3

/s]= f(h1/

P41

)*

P41

2.5

, 

where h1[m]= h+(

P41

/10) 

P41

 

m

 

 

P04

P46

h

P41

D

D/10

1

2

D/3

P40= 12 

 

Palmer-Bowlus (rectangular) 
flume 

Q[m

3

/s]= C*

P42

*h

1.5

, where C= 

f(

P41

/

P42

) 

P41

 

m

,  

P42

 

m

 

 

D

P42

P46

P04

h

D/10

P41

 

 

Содержание NUS-7 Series

Страница 1: ...Instruction Manual for Ultrasonic Level Meter Model NUS 7...

Страница 2: ...Current Output 13 8 3 Relay Output 14 8 4 Digital communication 15 8 4 1 Measurement optimisation 15 8 5 32 Point linearisation 24 8 6 Informational parameters read out parameters 25 8 7 Additional pa...

Страница 3: ...very packaging In case of damage please inform your parcel service forwarding agent immediately since they are responsible for damages during transit Scope of delivery The standard delivery includes U...

Страница 4: ...itted ultrasonic signals have an outstanding focusing deep penetration through gases vapour and foam is ensured 6 Mechanical connection 6 1 Block distance Due to signal characteristics of the sensor t...

Страница 5: ...onic 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 impos...

Страница 6: ...lop on the surface Make sure that the surface opposite to the sensor remain free of foam for proper sound reflection From the point of view of measurement accuracy the length of the channel sections p...

Страница 7: ...C1 output Yellow relay CC output Grey relay C2 output White I one of the points of current loop power supply and HART polarity independent Brown I other point of current loop power supply and HART po...

Страница 8: ...software run on the PC connected through HART modem to the loop 8 1 Measurement configuration P00 c b a Engineering Units FACTORY DEFAULT 000 Programming of this parameter will result in loading the f...

Страница 9: ...quantities a Measure ment mode Transmitted value Display symbol 0 Distance Distance DIST 1 Level Level LEV 2 Level LEV 3 Volume Volume VOL 4 Volume VOL 5 Flow Flow FLOW A Xm LEV 0 100 LEV 0 DIST 0 H D...

Страница 10: ...and is irrelevant in case of percentage measurement P01 a 2 or 4 c Time Attention NUS 7 is a level transmitter Although it can be used for measuring weight due to factors involved in doing so accurac...

Страница 11: ...blocking FACTORY DEFAULT Xm as per chart The range beginning with the sensor s surface within which due to the physical restraint of the ultrasound measurement system measurement can not be made is c...

Страница 12: ...06 X SUB 0 X 8 20mA 4mA H Level rising over value of far end blocking The calculation of level and volume will be based on the programmed tank dimensions therefore the measured or calculated process v...

Страница 13: ...XM Xm Values are interpreted according to P01 a Assignment can be made so that the proportion between the change of the measured or calculated process value and the change of the current output be eit...

Страница 14: ...under the value set in P15 Relay Level P14 P15 Time Energised De energised P14 P15 There is a need to set in level min 20mm hysteresis between P14 and P15 P14 P15 normal operation P14 P15 inverted ope...

Страница 15: ...licable 3 10 recommended recommended 4 30 recommended recommended 5 60 recommended recommended P22 a Dome top tank compensation FACTORY DEFAULT 0 This parameter can be used to reduce disturbing effect...

Страница 16: ...lection only within the measuring window a Echo in the window to be selected Remark 0 With the highest amplitude Most frequently used 1 First one For liquids applications with multiple echoes within t...

Страница 17: ...rasonic beam or in case of silos with an open outlet In such cases it may be useful to indicate empty tank instead of echo loss P29 Blocking out of disturbing object FACTORY DEFAULT 0 One fixed object...

Страница 18: ...st b 0 Standing cylindrical tank shape value of b as below P40 b P41 0 1 Standing cylindrical tank with conical bottom P41 P43 P44 0 2 Standing rectangular tank with chute P41 P42 P43 P44 P45 b 3 Lyin...

Страница 19: ...05 GPA 1P6 Q l s 674 6 h1 556 2 91 570 120 P46 06 GPA 1P7 Q l s 1014 9 h1 556 4 4 890 130 P46 07 GPA 1P8 Q l s 1368 h1 5638 5 8 1208 135 P46 08 GPA 1P9 Q l s 2080 5 h1 5689 8 7 1850 150 P46 09 General...

Страница 20: ...nsions FACTORY DEFAULT 0 P40 00 KOBOLD Parshall flumes P40 09 General Parshall flume 0 305 P42 width 2 44 026 0 569 1 305 0 h 372 s l Q P42 P42 2 5 P42 Q l s K P42 h1 6 P 2 3 A P42 m K 3 05 2 450 4 57...

Страница 21: ...2 5 where h1 m h P41 10 P41 m P04 P46 h P41 D D 10 1 2 D 2 P40 11 Palmer Bowlus D 3 flume Q m3 s f h1 P41 P412 5 where h1 m h P41 10 P41 m P04 P46 h P41 D D 10 1 2 D 3 P40 12 Palmer Bowlus rectangular...

Страница 22: ...m P40 14 Bottom step weir 0 0005 Q m3 s 1 0 3 P42 m 15 0 1 h m 10 Q m3 s 5 073 P42 h1 5 Accuracy 10 P40 14 P46 P42 h P40 15 Suppressed rectangular or BAZIN weir 0 001 Q m3 s 5 0 15 P41 m 0 8 0 15 P42...

Страница 23: ...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...

Страница 24: ...or flow to values measured by the transmitter It can be used for instance if the sound velocity is not known LEVEL LEVEL or in the case of tank with other shape than under 6 4 or open channel other t...

Страница 25: ...mometer will be indicated by display of the Pt Error message initiated by a signal sent via HART In this case the transmitter will perform temperature correction corresponding to 20 C P65 Maximum temp...

Страница 26: ...display flashes Lo Clr message 4 Pressing E will clear the logger Other parameters P96 Software code 1 Read only parameter P97 Software code 2 Read only parameter P98 Hardware code Read only parameter...

Страница 27: ...ved within the measuring range specified in P04 and P05 Review programming also look for installation mistake 12 Linearisation table error both L 1 and L 2 are zero no valid data pairs See the Section...

Страница 28: ...24 Level pertaining to flow Q 0 P19 15 Short address of the unit P47 25 Linearisation P20 15 Damping P48 25 Linearisation table P21 P49 P22 15 Dome top tank compensation P50 P23 P51 P24 15 Target trac...

Страница 29: ...ylene C2H2 340 8 Helium He 994 5 Ammonia NH3 429 9 Hydrogen sulphide H2S 321 1 Argon Ar 319 1 Methane CH4 445 5 Benzene C6H6 183 4 Methanol CH3OH 347 Carbon dioxide CO2 268 3 Neon Ne 449 6 Carbon mono...

Страница 30: ...asured distance 0 05 of range 1 Under optimal circumstances of reflection and stabilized transducer temperature Resolution dep on distance 2 m 6 5 feet 1 mm 0 04 inch 2 5 m 6 5 16 5 feet 2 mm 0 075 in...

Страница 31: ...nnection Power supply Output Cable length NUS 7 0 PP standard 9 PVDF 06 0 25 6 m R9 G2 N9 2 NPT 3 12 36 VDC 4H 4 20 mA HART RH 4 20 mA relay HART 5 standard 5 m Y accord to customer specifications max...

Страница 32: ...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 and laboratory use E...

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