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LB 379 

42 

11

 

Index 

A

 

Adjust current input ......................... 26 

Adjustment of input current. .............. 26 
Assembly description ........................ 13 
C

 

Crystal ........................................... 27 
Crystal-multiplier assembly ............... 26 
D

 

Density of water (Table) ................... 30 

Device configuration ........................... 8 
E

 

Electrical connections ....................... 18 
Emergency instructions ..................... 25 
Enclosed radioactive materials ........... 12 
M

 

Mu-metal shielding ........................... 26 
P

 

Photocathode .................................. 27 

Photomultiplier ................................ 26 
Pt100 ............................................. 18 
R

 

Radiation Protection Instructions .......... 5 
Radiation Protection Officer ............... 13 

Radioactive source ........................... 12 
Resistance thermometer ................... 18 
S

 

Safety summary ................................ 5 

Scintillation counter ......................... 26 
Shielding ........................................ 13 

Silicon oil ........................................ 26 
Sources .......................................... 12 
Supply voltage .................................. 8 
T

 

Technical Data ................................ 19 

Temperature coefficients (Table) ........ 29 
Two-wire cable .................................. 8 
W

 

Water inflow ................................... 17 

Summary of Contents for LB 3602

Page 1: ...Measuring Path LB 379 and LB 3602 3603 Operating Manual 40437BA2 Rev No 00 12 2016...

Page 2: ...LB 379 2...

Page 3: ...6 2 1 4 Installation of the Resistance Thermometer Pt 100 16 3 WATER COOLING IN THE MEASURING PATH LB 379 17 3 1 Cooling Water Requirement 17 4 ELECTRICAL CONNECTIONS 18 4 1 Detector 18 5 TECHNICAL DA...

Page 4: ...LB 379 4...

Page 5: ...his measuring device Radiation Protection Instructions This measuring system uses radioactive sources The radiation protection information in this operating manual and the relevant statutory provision...

Page 6: ...e of light the function involved is a square function i e doubling the distance reduces the radiation intensity to if all other condi tions remain unchanged In the measuring paths LB 379 and LB LB3602...

Page 7: ...ined contaminations by hydrocarbons may occur for example by sugar or cellulose in varying proportions The lower absorption coefficient of the impurity results in a lower influence on the measurement...

Page 8: ...sured The measuring device generally comprises the following components a the measurement path with radioactive source through pipe for the product to be measured detector b the evaluation unit c the...

Page 9: ...us measurement Discontinuous measurement Batch operation via keyboard press run button Batch operation via digital input 1 3 1 Setting the Detector Code Internal device parameters are adjusted to suit...

Page 10: ...ted exit of the useful radiation only in the direction of the product pipe The radiation is shielded by the lead shielding 2 and by the case even if the pipeline is empty so that no additional protect...

Page 11: ...ring path LB 3602 LB 4491 05 0x Gd E Ex protection EEx de II CT6 Figure 4 Measuring path LB 3602 3603 The measuring path LB 3602 can be used in potentially explosive areas or with the measuring path L...

Page 12: ...pulses The count rate transmitted to the evaluation unit is proportional to the radiation intensity received The detector is equipped with an automatic drift compensation which automatically corrects...

Page 13: ...tampered with or damaged Very important Please read the Radiation Protection Guidelines in chapter Radi ation Protection and observe them strictly 2 1Installation of the Measuring Path 2 1 1 Safety I...

Page 14: ...e please keep in mind a The pipeline must always be completely filled at the measuring site with the product to be measured during the operation b Corrosion abrasion or wall deposits must not occur at...

Page 15: ...ever the measurement covers the entire diameter of the product in the path or radiation Therefore the measurement result is not representative no gas bubbles are present in the path of radiation suspe...

Page 16: ...ay be disassembled only at max 40 C so that the sealing surfaces are not damaged If a flange connection leaks although all screws are tightened NO LONGER TIGHTEN but loosen the screws on the side oppo...

Page 17: ...efficiency The minimum cooling water requirement Qmin can be calculated for the measuring path LB 379 using the following formula W U T T T 313 10 75 9 323 5 5 323 Q 11 4 4 Pr min Qmin cooling water r...

Page 18: ...tion unit and detector They are listed in chapter 5 When installing the connection cable make sure that water cannot get into the connection box via the cable At ambient temperatures 70 C the installe...

Page 19: ...sion special form Measuring pipe ND 65 NP 10 material stainless steel 1 4571 or 1 4401 in lined pipes 1 4301 Connections Flanges according to DIN 2576 or threaded connector SC 65 to DIN 11851 Measurin...

Page 20: ...ith integral junction box material 1 4301 Protection type IP 65 Temperature range Operating temperature for the detector 20 to 50 C 253 to 323 K Storage temperature 40 to 65 C 233 to 338 K Measuring p...

Page 21: ...measuring path The responsibility of choosing the right lining lies with the operator The LB 379 measuring path is pressurized twice The leak test is carried out with 2 bar air To improve the detectab...

Page 22: ...llowing explanations 1 Activity Radiation is emitted as a result of nuclear disintegration The higher the number of these nuclear transformations the higher the activity Unit of measure is the Becquer...

Page 23: ...S 0 693 0 693 5 0 9 47 Determine the dose rate in a distance of 0 6 m using the following formula mrem Sv s a t k a D 846 0 46 8 47 2 0 1 0043 0 3700 2 2 A activity in MBq k radiation constant t time...

Page 24: ...eater the longer one is exposed to radiation Therefore it is especially important when working with radioactive sources to prepare work carefully and complete it quickly This is especially true when t...

Page 25: ...carried out under expert supervision If adequate know how as well as suitable instruments are available emergency measures may be taken immediately In this case proceed as follows Check the effectiven...

Page 26: ...de of the photomultiplier Figure 8 Assembly of the scintillation counter Open the scintillation counter by removing the cover of the con nection box first and then the screws of the base The entire el...

Page 27: ...damage to the dynode systems e g by excessive vibration cannot be identified by appearance If in doubt replace the multiplier The glass pane at the mating face to the photo multiplier must not show an...

Page 28: ...lution 0 131 0 000048 0 00064 Hydrochloric acid HCl H2O 0 635 0 00028 0 0032 Sulfuric acid H2SO4 H2O 0 257 0 00013 0 00242 Nitric acid HNO3 H2O 0 117 0 000037 0 00062 Phosphoric acid H3PO4 H2O 0 235 0...

Page 29: ...9300E 03 30 25 6 0000E 04 1 5720E 00 1 2150E 01 8 0000E 03 10 75 5 3800E 04 1 1960E 00 1 1160E 01 4 1450E 02 30 75 5 7600E 04 1 6610E 00 1 3330E 01 4 4380E 02 Sugar sol 10 20 0 0002377 0 621 0 05748...

Page 30: ...97425 20 0 99823 50 0 98807 80 0 97183 21 0 99801 51 0 98761 81 0 97120 22 0 99779 52 0 98715 82 0 97057 23 0 99755 53 0 98668 83 0 96993 24 0 99731 54 0 98621 84 0 96929 25 0 99706 55 0 98673 85 0 9...

Page 31: ...LB 379 31 9 Dimensional Drawings 9 1Measuring Path LB 379 with DIN Flange...

Page 32: ...LB 379 32 9 2Measuring Path LB 379 with ASA Flange...

Page 33: ...LB 379 33 9 3Measuring Path LB 379 with Threaded Connector...

Page 34: ...LB 379 34 9 4Measuring Path LB 3602 03...

Page 35: ...LB 379 35 10 ATEX Certificate...

Page 36: ...LB 379 36...

Page 37: ...LB 379 37...

Page 38: ...LB 379 38...

Page 39: ...LB 379 39...

Page 40: ...LB 379 40...

Page 41: ...LB 379 41...

Page 42: ...cy instructions 25 Enclosed radioactive materials 12 M Mu metal shielding 26 P Photocathode 27 Photomultiplier 26 Pt100 18 R Radiation Protection Instructions 5 Radiation Protection Officer 13 Radioac...

Page 43: ...LB 379 BERTHOLD TECHNOLOGIES GmbH Co KG Calmbacher Str 22 D 75323 Bad Wildbad Germany www Berthold com...

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