background image

1       

012208 

 

Instructions 

and  

Operating Manual 

Series X 90 

Point Level Monitors 

Programmable 

Microprocessor 

 
 
 
 

 

POINT LEVEL MONITORS SERIES X90 

Instructions and Operating Manual 
 

Customer’s Name ________________________ 
 
Customer’s P.O. No. ______________________ 
 
Ronan Job No. ___________________________ 

 

Summary of Contents for X 90 Series

Page 1: ...ries X 90 Point Level Monitors Programmable Microprocessor POINT LEVEL MONITORS SERIES X90 Instructions and Operating Manual Customer s Name ________________________ Customer s P O No ______________________ Ronan Job No ___________________________ ...

Page 2: ...ation NRC Regulations Periodic Leakage Test Radiation Publications Abandonment and Disposal Prohibition of Operation Mounting and Start Up Well Source Holders SA 4 SA 10 SA 15 Source retraction procedure Wiping the test points Standard Sources SA 1 SA 8 Mandatory Reporting Leak Test Procedures for Sealed Sources Ronan Leak Testing Service Using the Leak Test Kit 3 3 4 4 4 4 4 4 4 4 5 5 5 5 5 6 6 6...

Page 3: ...tract the source into the storage source holder CAUTION Any malfunction of the source holder must be immediately reported to Ronan Engineering for repair or replacement of the source holder Under no circumstances may the source holder be taken apart Should it be necessary to ship the source holder back to Ronan contact Ronan Engineering for detailed shipping instructions A Geiger Mueller tube is u...

Page 4: ...s as a low limit switch in which case the system will produce an alarm when the liquid level falls below this low limit The liquid itself may be under pressure at high temperature or even corrosive but its characteristics will not affect the switch since the system components are outside of the vessel A time delay based on the measurement controls the interval between radiation level change and al...

Page 5: ...cond is the Buildup Alarm enable The jumper must be set to Enabled or Disabled depending upon the application Note that if the jumper for Alarm is set to Low Level Alarm the Buildup Alarm will be disabled regardless of the jumper setting The standard or custom parameters will already have been programmed into the unit at the factory The user must then mount and wire to the switch Once a reference ...

Page 6: ... the switch has been calibrated using the above method the operation of the control relay NORMAL and ALARM indicators should be checked by raising and lowering the process level about the set limit If all these operate as required the switch is considered calibrated 7 4 Calibration without Process Material a Switch on the power to the X90 and turn the shutter handle on the source holder to the ON ...

Page 7: ...erials and is able to pass through several inches of steel or other dense material The ability to penetrate dense material can be used to advantage in the measurement of process variables such as density level and thickness where a change in detected radiation indicates a change in process variable Radiated energy is harmful to the human body when absorbed at an excessive rate For example a glowin...

Page 8: ... A record of the film badge or dosimeter reading must be kept on Form NRC 5 Since records must be kept the employer must furnish to the employee if requested a record of the employee s radiation exposure annually and on termination of employment Additional precautions are required when a gage is used on a vessel large enough to permit entry of personnel With the source holder in the open position ...

Page 9: ...9 012208 Figure 2 Radiation Transmission CS 137 for Various Materials ...

Page 10: ...onsible for the source the license must be amended prior to the assignment of the new user 30 32 30 33 30 34 30 38 b Use of the source is usually licensed for a particular plant site If the source is transferred to a different plant site the license must be amended prior to the transfer 30 34 and 30 38 c A record of the initial radiation survey must be kept for reference 20 40 1 b d Records of the...

Page 11: ...nnel do not work in or frequent a restricted area Form NRC 3 need not be posted 11 3 Periodic Leakage Test Information about the periodic leakage test is covered in Section 12 11 4 Radiation Publications For those who desire further information on radiation safety and the handling of radioactive material the following publications are recommended Radiation Dosimetery Hine and Brownell Academic Pre...

Page 12: ...CGB fitting at source rod c Remove handle and attach source extender rod e Push source rod until source bottoms out in well f Tighten CGB fitting over source extender rod 11 8 3 Source retraction procedure a Loosen CGB filling b Pull source handle back until source rod locates inside source tube Source will hit positive stop inside holder c Push shutter to OFF Lock with lock pin or padlock d Remov...

Page 13: ...the source leaks Do not touch the cotton tipped end or allow it to touch other objects as this would spread contamination if a leak is present After making the wipe test replace the cotton swab in the vial with the cotton tipped end at the bottom Replace the cap on the vial place the vial in the shipping tube and replace the top on the shipping tube Send to Ronan Engineering Company 8050 Productio...

Page 14: ...terials issue a report based on the results and forward a copy of the results to the customer immediately 12 2 Using the Leak Test Kit For instructions on using the Leak Test Kit see section 11 8 4 for well sources or section 11 9 2 for standard sources Return the cotton swab in the sealed plastic bag prepaid via United Parcel Services Fed Ex etc Do not send via conventional mail as postal regulat...

Reviews: