Capintec CRC-712MX Manuale utente

CRC®-712MX

RADIOISOTOPE DOSE

CALIBRATOR

OWNER’S MANUAL

Capintec, Inc.

Sales and Marketing

and Customer Support

6 Arrow Road

Ramsey, NJ 07446

Phone (800) ASK-4CRC

Fax (201) 825-1336

Capintec, Inc.

Service Center

620 Alpha Drive

Pittsburgh, PA 15238

Phone (800) 227-6832

Fax (412) 963-0610

CRC®is a registered trademark of Capintec, Inc.

U.S. Patents - 3,748,476 and 3,840,745

Manual Stock No. 9250-0068

Rev. C – January 2008

CAPINTEC, INC. CRC®-712MX

TABLE OF CONTENTS

PREFACE

SAFETY................................................................................................................................1-1

SYMBOL DEFINITIONS....................................................................................................1-1

WARNING AND CAUTION LABELS.................................................................................1-1

CAUTIONS AND NOTES ..................................................................................................1-3

GENERAL SAFETY TIPS..................................................................................................1-4

FUNCTIONAL & TECHNICAL DESCRIPTION....................................................................2-1

FUNCTIONAL DESCRIPTION ..........................................................................................2-1

FEATURES........................................................................................................................2-1

TECHNICAL DESCRIPTION.............................................................................................2-3

Warm Up Period.............................................................................................................2-3

Environment Requirements............................................................................................2-3

Power Requirements......................................................................................................2-3

Dimensions ....................................................................................................................2-4

Performance ..................................................................................................................2-5

GENERAL OPERATING INSTRUCTIONS ..........................................................................3-1

GENERAL..........................................................................................................................3-1

PANEL DESCRIPTIONS...................................................................................................3-1

Front Panel ....................................................................................................................3-1

Back Panel.....................................................................................................................3-4

SYSTEM SETUP...................................................................................................................4-1

GENERAL..........................................................................................................................4-1

RECEIVING CONDITION EXAMINATION........................................................................4-1

UNPACKING AND INSTALLATION..................................................................................4-1

ASSEMBLY .......................................................................................................................4-2

ENVIRONMENT REQUIREMENTS ..................................................................................4-3

POWER REQUIREMENTS ...............................................................................................4-3

Readout .........................................................................................................................4-3

Printers...........................................................................................................................4-3

INITIAL TURN ON PROCEDURES...................................................................................4-4

ACCEPTANCE TESTING..................................................................................................4-4

GENERAL OPERATIONAL SETUP..................................................................................4-5

Locking the Curie or Becquerel Mode of Operation.......................................................4-5

Reassignment of a Preset Push-Button.........................................................................4-6

QUALITY ASSURANCE & ACCEPTANCE TESTING.........................................................5-1

GENERAL..........................................................................................................................5-1

ACCEPTANCE TESTING..................................................................................................5-1

Geometry Test ...............................................................................................................5-1

January 08 TABLE OF CONTENTS TOC-1

CAPINTEC, INC. CRC®-712MX

Daily Tests.....................................................................................................................5-1

Quarterly Tests..............................................................................................................5-3

Annual Tests..................................................................................................................5-5

MEASUREMENT PROCEDURES .......................................................................................6-1

GENERAL .........................................................................................................................6-1

PRE-MEASUREMENT PROCEDURES............................................................................6-1

PRESET ISOTOPE MEASUREMENT..............................................................................6-1

OTHER ISOTOPE MEASUREMENTS..............................................................................6-2

DOSE ASSAY PROCEDURE ...........................................................................................6-2

ADDITIONAL CALIBRATION NUMBERS.........................................................................6-3

Direct Calibration with Certified Standard Sources........................................................6-3

Intercomparison Calibration with a 12 Atmosphere Chamber .......................................6-4

PRINTING A RECORD OF THE MEASUREMENT..........................................................6-4

CLEANING AND MAINTENANCE.......................................................................................7-1

GENERAL .........................................................................................................................7-1

CLEANING INSTRUCTIONS............................................................................................7-1

PREVENTATIVE MAINTENANCE....................................................................................7-2

SERVICING.......................................................................................................................7-2

LINE VOLTAGE SELECTION/FUSE REPLACEMENT.....................................................7-2

Readout Fuses ..............................................................................................................7-2

Printer Fuse...................................................................................................................7-3

TROUBLESHOOTING ......................................................................................................7-4

Nothing appears on the display.....................................................................................7-4

High background indication ...........................................................................................7-4

Indication of significant negative activity........................................................................7-4

Printer will not respond..................................................................................................7-4

ACCESSORIES AND REPLACEMENT PARTS...............................................................7-5

Environmental Shield.....................................................................................................7-5

Positron Shield...............................................................................................................7-5

Hot Cell Chamber Mounting Flange ..............................................................................7-5

Data Logging Printer......................................................................................................7-6

RS-232C Computer Interface........................................................................................7-6

Calicheck.......................................................................................................................7-6

SHIPPING .........................................................................................................................7-7

APPENDIX I – Principle of the Calibrator

APPENDIX II – Table of Calibration Setting Numbers

APPENDIX III – Multiplication Factors For Non-Equilibrium Radioisotopes

INDEX

WARRANTY

TOC-2 TABLE OF CONTENTS January 08

CAPINTEC, INC. CRC®-712MX

PREFACE

Thank you for purchasing the Capintec, Inc. CRC®-712MX Radioisotope Dose Calibrator.

Every effort has been made to insure that the information in this document is complete,

accurate, and up-to-date. Capintec, Inc. assumes no responsibility for the results of errors

beyond its control. Mention of products manufactured by other companies does not

necessarily constitute endorsement by Capintec, Inc.

Please address any comments pertaining to this manual to:

CAPINTEC, Inc.

620 Alpha Drive

Pittsburgh, PA 15238

Phone (412) 963-1988

Fax (412) 963-0610

CRC®-712MX and CII are registered trademarks of Capintec, Inc.

SYSTEM DESCRIPTION

The CRC®-712MX Radioisotope Dose Calibrator consists of the following:

•Readout Unit

•Chamber(s)

•Power Cord

•Printer (optional)

ELECTROMAGNETIC INTERFERENCE POTENTIAL

This equipment generates radio frequency energy and, if not installed and used in

accordance with the instructions, may cause harmful interference to nearby devices.

However, there is no guarantee that interference will not occur in a particular installation. If

this equipment does cause harmful interference, the user is encouraged to try to correct the

interference by one of the following measures:

•Increase the separation between the equipment and the affected device.

•Plug the unit into an outlet on a circuit different from that to which the affected device

is connected.

If this fails to correct the problem, please contact Capintec’s Authorized Service Center.

January 08 PREFACE i

CAPINTEC, INC. CRC®-712MX

IMPORTANT SAFETY INFORMATION

The CRC®-712MX measurement system has been carefully designed to give you years of

safe and reliable performance. As with all electrical equipment, however, there are basic

precautions you must observe to avoid injuring yourself, the patient or damaging the

equipment.

•Follow the unpacking and assembly instructions document, and read this manual

carefully before using this equipment. Be sure to save all provided documents for

future reference.

•Understand all warning and caution labels as explained in CHAPTER 1: SAFETY

before operating this equipment.

ii PREFACE January 08

CAPINTEC, INC. CRC®-712MX

CHAPTER 1

SAFETY

These warnings and instructions for use form an integral part of the CRC®-712MX and must

therefore be kept available for consultation at all times. Precise compliance with the

instructions is an essential condition for normal use, correct application and thus safety of the

user.

SYMBOL DEFINITIONS

“ON” (power)

“OFF” (power)

WARNING AND CAUTION LABELS

Located on the back of the Readout Unit is a label, (Figure 1-1), providing the system power

requirements, and the replacement fuse values for power line voltages.

Please reference CHAPTER 7: CLEANING AND MAINTENANCE for instructions on how to

change the fuses and line voltage of the CRC®-712MX.

A fire hazard may exist if the wrong size of fuse is installed.

Figure 1-1

Located on the Power Cord is a label, (Figure 1-2), indicating that the grounding reliability

can only be achieved when the equipment is connected to an equivalent receptacle marked

hospital only or hospital grade..

January 08 SAFETY 1 - 1

CAPINTEC, INC. CRC®-712MX

Figure 1-2

Located on the chamber are 2 labels.

The first label (Figure 1-3) contains statements denoting not to remove the cover because

there are no adjustments that the user can perform in the chamber.

Figure 1-3

The second label (Figure 1-4) is located in three places (on the bottom of the chamber, on

the 150 Volt Battery pack inside the chamber & on the cover of the main power supply in the

readout unit) and pertains to the electrical safety of the chamber and readout. It is necessary

because of the high voltage present (approximately 150 volts) on the Battery board installed

in the chamber and the line voltage inside of the readout. A screwdriver is necessary to

remove the covers to both the chamber and the readout.

Figure 1-4

1 - 2 SAFETY January 08

CAPINTEC, INC. CRC®-712MX

CAUTIONS AND NOTES CAUTION

Only qualified/trained personnel should operate this unit.

CAUTION

If the equipment is used in a manner not specified in this manual, the protection provided by

the equipment may be impaired.

CAUTION

No internal adjustments inside the chamber or readout that may be performed by the user

within the conditions of the warranty. Due to the presence of high voltages, opening the

cover with the system plugged in may be hazardous. Refer all servicing to qualified

personnel.

CAUTION

Never use the calibrator without the well liner in place. Liners are inexpensive and easy to

replace. A contaminated chamber is a very costly mistake. If the unit becomes contaminated

remove the liner and clean the unit as stated in CHAPTER 7: CLEANING AND

MAINTENANCE before operating.

CAUTION

Care must be exercised when moving the instrument or when maintenance is performed.

The shielded cylinder is heavy (13.6 kg or 30 lb). In order to provide the required sensitivity,

the wall of the ionization chamber is extremely thin and the chamber is filled with pressurized

gas. It is therefore, essential to avoid mechanical shock or vibration of any kind.

CAUTION

When working with a heavy sample (especially a CapMac or Moly Assay Canister) always

lower it gently into the chamber well. Dropping any heavy object into the well can cause

permanent, expensive damage.

CAUTION

It is desirable to leave the unit powered at all times in order to prevent moisture absorption

and to maintain the stability of the instrument (especially if the instrument is subjected to high

humidity or low temperature).

CAUTION

The sensitivity of the chamber is somewhat dependent upon the vertical position of the

sample within the well. All calibrations were done with a Standard Sample placed in the

supplied sample holder (dipper). It should be noted that in this configuration, the sample is

not quite at the bottom of the well. If, for any reason, you make a measurement without using

the dipper, be sure that the sample is in the correct vertical position. Both the CapMac and

the Standard Moly Assay Canister maintain the same position as the dipper.

January 08 SAFETY 1 - 3

CAPINTEC, INC. CRC®-712MX

CAUTION

Use of accessories not listed in this manual, may compromise the compliance of this product

to IEC 60601-1. Therefore, only recognized accessories shall be used at all times. Also the

Electromagnetic Interference (EMI) may be compromised which may affect other devices

located in the same area as the CRC®-712MX or the CRC®-712MX may become susceptible

to EMI.

CAUTION

The unit contains lead. Appropriate caution should be taken if the interior of the unit is

exposed. The unit should be disposed of in accordance with local and national regulations.

CAUTION

The unit contains a Lithium Battery. This should be disposed of in accordance with local and

national regulations.

CAUTION

The user should always verify the validity of any measurement or test result in order to

minimize measurement errors.

NOTE

It is recommended that periodic re-calibration of the unit be performed by Capintec’s

Authorized Service Center to guarantee that the instrument's high reliability is maintained.

GENERAL SAFETY TIPS

•Unplug the equipment before cleaning it. Use only a damp cloth; do not use solvents

or aerosol cleaners.

•To protect the equipment from overheating, do not use the equipment directly in front

of a radiator or heat register.

•Do not use the equipment near water, or spill liquids of any kind into the equipment.

•Be sure that your power source matches the rating listed on the CRC®-712MX

calibrator.

•The CRC®-712MX power cord has a grounded, 3-prong plug as a safety feature, and

it will only fit into a grounded outlet. Do not use an adapter to defeat the grounding.

•To avoid damaging the power cord, do not place anything on it or place it where it will

be stepped on. If the cord becomes damaged, replace it immediately.

•Aside from the routine maintenance described in this manual, do not try to service

this equipment yourself. Do not make any adjustments other than those outlined in

this manual, as you may in-validate the calibration or cause damage requiring

extensive repair work. Refer servicing to qualified service personnel.

1 - 4 SAFETY January 08

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