LUDLUM 3030E-2 Manual
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LUDLUM 3030E-2 Manual

Alpha-beta sample counter. 3030 series; 3030e series
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LUDLUM MODEL 3030 & 3030E SERIES
ALPHA-BETA SAMPLE COUNTER
November 2017
Serial Number 185762 and Succeeding
Serial Numbers

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Summary of Contents for LUDLUM 3030E-2

  • Page 1 LUDLUM MODEL 3030 & 3030E SERIES ALPHA-BETA SAMPLE COUNTER November 2017 Serial Number 185762 and Succeeding Serial Numbers...
  • Page 2 LUDLUM MODEL 3030 & 3030E SERIES ALPHA-BETA SAMPLE COUNTER November 2017 Serial Number 185762 and Succeeding Serial Numbers LUDLUM MEASUREMENTS, INC. 501 OAK STREET, P.O. BOX 810 SWEETWATER, TEXAS 79556 325-235-5494, FAX: 325-235-4672...

  • Page 3: Statement Of Warranty

    RETURN OF GOODS TO MANUFACTURER If equipment needs to be returned to Ludlum Measurements, Inc. for repair or calibration, please send to the address below. All shipments should include documentation containing return shipping address, customer name, telephone number, description of service requested, and all other necessary information.

  • Page 10: Table Of Contents

    Table of Contents INTRODUCTION ......................1 GETTING STARTED ...................... 3 Unpacking and Repacking ............................3 Software Installation ..............................4 External Counter HV Connector (3030E only) ......................4 Start-up ..................................4 SPECIFICATIONS ......................6 Model 3030 ONLY .............................. 6 Model 3030E ONLY ............................6 Common Specifications ............................
  • Page 11 QC Check ................................... 25 HV Plateau ................................. 29 MDA Calculations ..............................32 Data Logging ................................33 RS-232 Communication ............................34 COMMANDS ................................34 Bn – Background Subtract Status ..........................34 Cn – Count ................................35 Dn – Display Mode ..............................35 F –...
  • Page 12 Sample Printouts................................ 41 Software License Agreement ............................ 43 RECYCLING ......................... 46 PARTS LIST ......................... 47 Model 3030 & Model 3030E Alpha-Beta Sample Counters ................47 Amplifier / Processor Board, Drawing 337 × 189 ....................47 Display Board, Drawing 337 × 88 ........................50 Power Supply Board, Drawing 337 ×...

  • Page 13: Introduction

    Parameters are stored in non-volatile memory. Time and date are maintained with an internal lithium battery. Another advanced feature, which may be enabled or disabled, is the QC (Quality Control) check function. When enabled, the user must perform Ludlum Measurements, Inc. Page 1 November 2017...
  • Page 14 "3030-2" prominently displayed. A detailed summary of these changes are found in Appendix A, starting with page A-1. The Model 3030E-2 is like the Model 3030-2, but with an external detector like the Model 3030E. Ludlum Measurements, Inc.

  • Page 15: Getting Started

    The Model 3030/3030E serial number is located on the back panel, lower left-hand corner. Most Ludlum Measurements, Inc. detectors have a label on the base or body of the detector for model and serial number identification.

  • Page 16: Software Installation

    If the computer interface is desired, revert to the previous subsection, “Software Installation,” before continuing, and then connect the instrument to the computer using the RS-232 cable provided. Ludlum Measurements, Inc. Page 4 November 2017...
  • Page 17 Set the control VOLUME to the desired level of audio. Proceed to use the instrument. For further information on instrument controls or functions, consult Sections 4 and 7 of this manual. Ludlum Measurements, Inc. Page 5 November 2017...

  • Page 18: Specifications

    : series “C” for connection to an external counter Counter Connector Model 3030E ONLY Size : 24.1 x 13.5 x 25.4 cm (9.5 x 5.3 x 10.0 in) (H x W x D) Ludlum Measurements, Inc. Page 6 November 2017...

  • Page 19: Common Specifications

    : adjustable from 0.1 to 30 minutes (PC setting is user-defined Count Timer via PC software) : 250 watts at 95-250 Vac, 50-60 Hz single phase; internal 12 Vdc, Power 1.2A/hr, trickle-charged battery provides power for eight hours Ludlum Measurements, Inc. Page 7 November 2017...

  • Page 20: Description Of Controls And Functions

    ): a 90° rotary control used to lift the sample tray into position UNLATCHED and block all extraneous light from the detector. Tray switch should always be in the position while counting. LATCHED Ludlum Measurements, Inc. Page 8 November 2017...

  • Page 21: Back Panel

    Remove the calibration (cal) cover plate to access the following calibration potentiometers: A-TH : a multi-turn potentiometer used to vary the alpha pulse discriminator from 40 to 700 mV, normally set at 120 mV Ludlum Measurements, Inc. Page 9 November 2017...

  • Page 22: Internal Controls

    HV Jumper : When shunt is on the two outside pins, the HV is adjusted manually with the HVM potentiometer. The normal shunt position is on the two inside pins. Ludlum Measurements, Inc. Page 10 November 2017...

  • Page 23: Safety Considerations

    Do not immerse the instrument in any liquid. Observe the following precautions when cleaning: 1. Turn the instrument and disconnect the instrument power cord. 2. Allow the instrument to sit for one minute before cleaning. Ludlum Measurements, Inc. Page 11 November 2017...

  • Page 24: Warning Markings And Symbols

    Caution! The operator or responsible body is cautioned that the protection provided by the equipment may be impaired if the equipment is used in a manner not specified by Ludlum Measurements, Inc. Caution! Verify instrument voltage input rating before connecting to a power converter.

  • Page 25: Replacement Of Main Fuse (Back Panel)

    See section 8, “Recycling,” for further information. Replacement of Main Fuse (Back Panel) Warning! For continued protection against risk of fire, replace only with fuse of the specified type and current rating! Ludlum Measurements, Inc. Page 13 November 2017...

  • Page 26: Calibration And Maintenance

    Consult the individual detector manual for the needed specifications. A Ludlum Model 500 Pulser or equivalent is required. If the pulser does not have a high-voltage readout, use a high-impedance voltmeter with at least 1000 megohm input resistance to measure the detector voltage.
  • Page 27 800 Vdc. Place shunt back to the automatic side (inside two [2] pins).  Set the LCD count time for 0.1 minute (6 seconds). Adjust the pulser count rate to 400,000 cpm and pulse amplitude to 20 mV. Ludlum Measurements, Inc. Page 15 November 2017...
  • Page 28 βSourceCα =β source count in α channel BackCα = background count in α channel βNetCβ = Net β source count in β channel  For the alpha/beta scintillation detector, applicable 4π efficiencies are: Ludlum Measurements, Inc. Page 16 November 2017...
  • Page 29  Set the unit in mode with efficiencies, background subtract, and crosstalk correction numbers from the high voltage plateau.  Set the count time to one minute and print out an MDA chart from the interface software. Ludlum Measurements, Inc. Page 17 November 2017...

  • Page 30: Maintenance

    Recalibration should be accomplished after any maintenance or adjustment has been performed on the instrument. Ludlum Measurements recommends recalibration at intervals no greater than one year. Local regulations may have precedence over this recommendation.
  • Page 31 If the unit is out of service for extended periods of time, charge the battery every six months. It is recommended that the internal gel-cell battery be replaced every four years. Ludlum Measurements, Inc. Page 19 November 2017...

  • Page 32: Computer Software

    Model 3030 is found, the parameters are downloaded from the instrument and the main screen is displayed. The main screen consists of a tabbed interface separating the various functions and include General Settings, QC Check, HV Plateau, MDA Calculation, and Data Logging. Ludlum Measurements, Inc. Page 20 November 2017...
  • Page 33 The default password is blank until it is changed by the user using the Change Password menu item. The password can contain the following characters: a-z, A-Z, 0-1, !@#$%^&*() and cannot exceed eight characters in length. Ludlum Measurements, Inc. Page 21 November 2017...

  • Page 34: Parameters

    : This menu item will print out a Parameters/Print Parameters (Ctrl-P) report of all parameters to a printer. : When this is checked, certain functions Parameters/Password Protect require a password. Ludlum Measurements, Inc. Page 22 November 2017...
  • Page 35 Count Mode CPM, or DPM. If dipswitch 1 is “OFF,” the unit is always in scaler mode. The Ludlum Model 3030 can operate as a traditional radiation scaler, displaying measurements in terms of CPM (counts per minute). It can also be programmed to automatically adjust and display the measurements in DPM (disintegrations per minute).
  • Page 36 : When enabled, the following are Show Parameters during power-up displayed to the LCD display during power up: firmware version, date, time, high voltage, user-defined count time, and alarms. Ludlum Measurements, Inc. Page 24 November 2017...

  • Page 37: Qc Check

    Section 7 QC Check The Ludlum Model 3030 has a “QC Check” function that allows the user to determine whether the instrument is operating within predetermined limits. This function is optional and does not have to be enabled. There is also an option to update the background every 24 hours.
  • Page 38 20% to 30% to pass. Source Size : The DPM value of the source size is saved to the instrument and is used to determine the efficiency during a QC check. Ludlum Measurements, Inc. Page 26 November 2017...
  • Page 39 5. Enter the “Alpha Source Size” and “Beta Source Size” of the sources to be used during the QC check. It is preferred to use the DPM or µCi column wherever possible. Conversion from Ludlum Measurements, Inc. Page 27 November 2017...
  • Page 40 9. Press the COUNT button to start the background count. At the end of the count, the LCD will flash between the readings and BAC. If the QC check fails, the instrument should be taken out of service until it can be repaired. Ludlum Measurements, Inc. Page 28 November 2017...

  • Page 41: Hv Plateau

    2. Run the Model 3030 control software. Software will automatically detect the instrument and download all parameters. 3. When all the parameters have been downloaded, click on the tab marked “HV Plateau” at the top of the window. Ludlum Measurements, Inc. Page 29 November 2017...
  • Page 42 1. Alpha source (beta counts shown in parenthesis) 2. Beta source (alpha counts shown in parenthesis) 3. Alpha background in cpm 4. Beta background in cpm 5. % alpha efficiency (4π) 6. % beta efficiency (4π) Ludlum Measurements, Inc. Page 30 November 2017...
  • Page 43 ASCII text file or print the results for later reference. 10. You may choose the operating voltage according to your own standards. Ludlum Measurements current standards, which may or may not be appropriate for your use, are listed below: Tc efficiency (4π) greater than or equal to 27% Pu efficiency (4π) greater than or equal to 37%...

  • Page 44: Mda Calculations

    90%, 95%, or 99%. This screen is only available when the instrument is in DPM mode. The values are preset according to the current instrument settings but may be changed here. The data may also be printed to a printer. Ludlum Measurements, Inc. Page 32 November 2017...

  • Page 45: Data Logging

    : This button clears the instrument of all samples in memory. Clear Samples Save Samples : This allows saving the sample data to a user-defined file. The data is saved in a comma delimited (*.csv) file to allow for importing into other applications. Ludlum Measurements, Inc. Page 33 November 2017...

  • Page 46: Rs-232 Communication

    Sets background subtract ON/OFF or return background subtract status, where “n: is a value of 0, 1, or 2. 0 = Sets background subtract OFF. 1 = Sets background subtract ON. 2 = Returns status. Ludlum Measurements, Inc. Page 34 November 2017...

  • Page 47: Cn - Count

    0 = Turn printing OFF. 1 = Turn printing ON. 2 = Return printing mode (OFF, ON). Sets quick power-on mode. The Model 3030 may be configured to display certain parameters during power-up. Ludlum Measurements, Inc. Page 35 November 2017...

  • Page 48: Ra - Read Next Sample Number

    Line 2 returns “BETA” if the loss of count timer has expired. Otherwise, “OK” is returned. RNn – Read MDA Reads the Minimum Detectable Activity (MDA). Returns nnnnnn. Ludlum Measurements, Inc. Page 36 November 2017...

  • Page 49: Rp - Read The Pc Time

    RR – Read Count Reads the current alpha and beta counts. Returns HH:MM MM/DD/YY aaaaaa bbbbbb x tttt.t. aaaaaa = alpha count bbbbbb = beta count x = S (scaler), C (cpm), and D (dpm) Ludlum Measurements, Inc. Page 37 November 2017...

  • Page 50: Rs - Read Samples

    2 = Read alpha-to-beta crosstalk. RY – Read Recycle Mode Status Reads the status of the recycle mode. Returns OFF or ON. Rn – Read the Alarm Set Points Reads the specified alarm set point. Returns nnnnnn. Ludlum Measurements, Inc. Page 38 November 2017...

  • Page 51: Xn - Set Crosstalk Mode

    15 characters long. SLyyyyy.y – Set Loss of Count Timer Sets the loss of count timer in seconds. The max is 99999.9 seconds. SNnyyyyyy – Set MDA Sets the alpha and beta MDA. Ludlum Measurements, Inc. Page 39 November 2017...

  • Page 52: Spxxxxx.x

    Sets the real-time clock. Seconds are always started at 00. SUxxxxxxxxxx – Set Command Sets a user-defined, 10-character comment that is saved with the logged samples. SVxxxx – Set High Voltage Sets high voltage from 0000 to 2000 volts. Ludlum Measurements, Inc. Page 40 November 2017...

  • Page 53: Sxnyyy - Set Crosstalk

    Set the specified alarm set point. 1 = Set alpha alarm set point. 2 = Set beta alarm set point. 3 = Set alpha + beta alarm set point. Sample Printouts Ludlum Measurements, Inc. Model 3030 Plateau Data ----------------------------------------------------------------------- 01/15/2001 10:05:07 AM...
  • Page 54 | 5285 25.7% 0.0% 950 11945 (493) 38.7% 0.0% | 5501 1196 23.0% 0.0% Ludlum Measurements, Inc. Model 3030 MDA Calculation Data ----------------------------------------------------------------------- 01/15/2001 11:05:07 AM Alpha Background(cpm): 1 Beta Background (cpm): 44 Alpha Efficiency %: 15 Beta Efficiency %: 25...

  • Page 55: Software License Agreement

    Model 3030 & 3030E Series Technical Manual Section 7 Software License Agreement Ludlum Measurements, Inc. Page 43 November 2017...
  • Page 56 Model 3030 & 3030E Series Technical Manual Section 7 Ludlum Measurements, Inc. Page 44 November 2017...
  • Page 57 Model 3030 & 3030E Series Technical Manual Section 7 Ludlum Measurements, Inc. Page 45 November 2017...

  • Page 58: Recycling

    To this end, Ludlum Measurements, Inc. strives to supply the consumer of its goods with information regarding reuse and recycling of the many different types of materials used in its products. With many different agencies –...

  • Page 59: Parts List

    0.1uF, 50V 04-5663 47pF, 100V 04-5660 10uF, 25V 04-5655 47pF, 100V 04-5660 0.001uF, 100V 04-5659 0.01uF, 50V 04-5664 47pF, 100V 04-5660 0.1uF, 50V 04-5663 10pF, 100V 04-5673 47pF, 100V 04-5660 100pF, 3KV 04-5532 Ludlum Measurements, Inc. Page 47 November 2017...
  • Page 60 06-6403 N87C51FC 06-6303 U5-U6 24C65ISM 06-6401 LM285MX-2.5 06-6291 LTC1257IS8 06-6377 CD74HC4538M 06-6297 TLC372ID 06-6290 CA3096M 06-6288 TLC372ID 06-6290 CD74HC4538M 06-6297 TLC27M7ID 06-6292 DIODES CR1-CR4 MMBD914LT1 07-6353 MMBD7000LT1 07-6355 MMBD914LT1 07-6353 CR7-CR11 GI250-2 07-6266 Ludlum Measurements, Inc. Page 48 November 2017...
  • Page 61 22.1K, 1/8W, 1% 12-7843 200 OHM, 1/8W, 1% 12-7846 4.7 MEG, 1/4W, 5% 12-7030 1MEG, 1/4W, 5% 10-7028 1GIG, FHV-1, 2% 12-7686 2.21K, 1/8W, 1% 12-7835 1MEG, 1/8W, 1% 12-7844 R48-R49 22.1K, 1/8W, 1% 12-7843 Ludlum Measurements, Inc. Page 49 November 2017...

  • Page 62: Display Board, Drawing 337 × 88

    100K, 1/8W, 1% 12-7834 200 OHM, 1/4W, 1% 12-7904 100K, 1/8W, 1% 12-7834 MISCELLANEOUS DS1-DS4 LED-HLMP2300/2304 07-6377 DS5-DS6 LED-HLMP2500 GRN 07-6403 DS7-DS8 LED-BACKLITE 07-6451 DSP1-DSP2 LCD-3918-365-920 07-6252 CONN-MTA100 1-640457-0 13-8168 SWITCH - PUSHBUTTON 08-6716 Ludlum Measurements, Inc. Page 50 November 2017...

  • Page 63: Power Supply Board, Drawing 337 × 133

    MTA156 640445-3 13-8125 MTA100 640456-2 13-8073 INDUCTORS 100uH DT3316 21-9875 22uH CD43 21-9808 Wiring Diagram, Drawing 337 × 182 ON/OFF SWITCHES DM62J12S205PQ 08-6715 MICRO FOR TRAY BZ-2RD-A2 (M3030 only) 08-6538 S111 513384 08-6656 Ludlum Measurements, Inc. Page 51 November 2017...

  • Page 64: Model 3030 Only

    4.75 MEG, 1/8 W, 1 % 12-7995 R111 10 MEG, 1/8 W, 1 % 12-7996 V001 2” PMT 01-5649 VOLTAGE DIVIDER BOARD 5002-571 WINDOW W/MYLAR 4337-124 SAMPLE DRAWER 7337-098 SAMPLE DRAWER SCREW 7337-114 TRAY LOCK 7337-129 KNOB-POINTER 08-6608 Ludlum Measurements, Inc. Page 52 November 2017...

  • Page 65: Drawings And Diagrams

    Display Board, Drawing 337 × 88 (4 Sheets) Display Board, Component Outline, Drawing 337 × 89 Power Supply Board, Drawing 337 × 133 Power Supply Board, Component Outline, Drawing 337 × 134 Wiring Diagram, Drawing 337 × 182 Ludlum Measurements, Inc. Page 53 November 2017...

  • Page 79: Model 3030-2

    Appendix A Appendix Model 3030-2 and 3030E-2 The Ludlum Model 3030-2 (LMI Part # 48-3992) and Model 3030E-2 (LMI Part # 48-3448-2) are dual-channel counters designed for simultaneous alpha and beta sample measurement. Below are the differences between the Model 3030/3030E and the 3030-2/3030E-2.

This manual is also suitable for:

3030-230303030e

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