Ludlum Measurements 3005 User Manual
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Ludlum Measurements 3005 User Manual

Digital survey meter with internal detector
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LUDLUM MODEL 3005
DIGITAL SURVEY METER WITH INTERNAL DETECTOR
USER'S MANUAL
July 2017
Serial Number: 25009185 and Succeeding
Firmware: 49830n26 and Higher

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Summary of Contents for Ludlum Measurements 3005

  • Page 1 LUDLUM MODEL 3005 DIGITAL SURVEY METER WITH INTERNAL DETECTOR USER’S MANUAL July 2017 Serial Number: 25009185 and Succeeding Firmware: 49830n26 and Higher...
  • Page 2 LUDLUM MODEL 3005 DIGITAL SURVEY METER WITH INTERNAL DETECTOR USER’S MANUAL July 2017 Serial Number: 25009185 and Succeeding Firmware: 49830n26 and Higher...
  • Page 3 User’s Manual Model 3005 Gamma Survey Meter...

  • Page 4: 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 6: Table Of Contents

    User’s Manual Model 3005 Gamma Survey Meter Table of Contents Introduction Getting Started Unpacking and Repacking Battery Installation Instrument Operational Test Detector Failure Diagnostic Detector Over Range Detector Overload Instrument Use and Controls RATE Mode Operation MAX Mode Operation COUNT Mode Operation...
  • Page 7 User’s Manual Model 3005 Gamma Survey Meter Datalogging Datalogging Operation – Mode 1 Datalogging Operation – Mode 2 Datalogging Operation – Mode 3 Specifications Software Connecting to Software Extended Features Safety Considerations Environmental Conditions for Normal Use Warning Markings and Symbols...

  • Page 8: Introduction

    3005/3: ECGM with range 0.1-25000 mR/hr or 0.001-250 mSv/h 3005/4: ECGM with range 1-50000 mR/hr or 0.001-500 mSv/h Three modes of operation are available for the Model 3005 – RATE, MAX, and COUNT. RATE mode operation will display the current exposure, or dose rate.
  • Page 9  Backlight Threshold  Sigma or Click Audio Mode The Model 3005 comes with the ability to log measurements to memory for later download. The optional Ludlum Lumic Datalog software is needed to download this memory, however. The unit can log up to 1000 measurements, and it adds a date/time stamp to each measurement.
  • Page 10 Section 1 Front-panel setup can be disabled via the internal switch on the Model 3005 in order to protect settings from inadvertent changes. The unit is operated with four alkaline AA batteries for operation from -20 to 50 °C (-5 to 122 °F). Battery life is approximately 750 hours under normal usage.

  • Page 11: Getting Started

    Check individual item serial numbers and ensure calibration certificates match between instruments and detectors (if applicable). The Model 3005 serial number is located on a label on the front side of the unit. To return an instrument for repair or calibration, provide sufficient packing material to prevent damage during shipment.

  • Page 12: Instrument Operational Test

    Please refer to Figure 1 below. Figure 1: Startup display for Model 3005, with all LCD segments shown. The instrument then displays the firmware version. Please refer to Figure 2 below.
  • Page 13 User’s Manual Model 3005 Gamma Survey Meter Section 2 Figure 3: Battery Voltage display The instrument then displays the number of stored records if data logging is enabled. Please refer to Figure 4 below. Figure 4: Startup display for Optional Data Logging firmware, showing 155 stored records.
  • Page 14 User’s Manual Model 3005 Gamma Survey Meter Section 2 Ensure that the low-battery indicator is not present. If the low-battery indicator is present, replace the batteries as soon as possible. Should the instrument detect a battery voltage that is high enough to power on, but too low to safely operate, the display will blank and the low-battery icon will flash.

  • Page 15: Detector Failure Diagnostic

    Section 2 Detector Failure Diagnostic Note that the Model 3005 has its own diagnostic tests to ensure that the detector is functioning correctly. The Model 3005 can detect when the radiation detector is malfunctioning and will flash the display to indicate a fault.

  • Page 16: Detector Overload

    Figure 7: Detector Overload Alarm; will also flash. Instrument Use and Controls With four front-panel buttons, the Ludlum Model 3005 is simple and easy to use with minimal training required. Default operation is RATE mode, and the display shows the current count rate using the Primary units.
  • Page 17 User’s Manual Model 3005 Gamma Survey Meter Section 2 : Used to power the Model 3005 ON and OFF, reset MAX ON/ACK button mode, start/reset the COUNT Timer, and acknowledge audio alarms. Power On: Press for approximately one second and release (all ...

  • Page 18: Rate Mode Operation

    User’s Manual Model 3005 Gamma Survey Meter Section 2 RATE Mode Operation In RATE mode, the current count rate will be displayed. Long-pressing the ON/OFF button for at least a half second will reset the averaged rate before releasing the button. The Reset feature must be enabled through Lumic Calibration software (see parameter: RateResetBtn) and will be disabled when Sigma Audio is enabled.

  • Page 19: Max Mode Operation

    User’s Manual Model 3005 Gamma Survey Meter Section 2 MAX Mode Operation While in MAX mode, the highest detected count rate (since the last reset) is displayed. The word MAX will be displayed when in MAX mode. Tapping the UNITS button will switch the displayed value between the Primary and Secondary Units.

  • Page 20: Count Mode Operation

    User’s Manual Model 3005 Gamma Survey Meter Section 2 COUNT Mode Operation When entering COUNT Mode from another operational mode, the currently selected COUNT Units will be displayed for approximately one second. The purpose of COUNT mode is to count for a predetermined amount of time, and to display the results on the display.
  • Page 21 User’s Manual Model 3005 Gamma Survey Meter Section 2 Note: Sigma audio is disabled in Count Mode. If Sigma Audio and Count Mode Audio are enabled, click audio will be utilized in Count Mode. If a result in terms of activity is desired, the scaler count can also be in units of "d"...
  • Page 22 User’s Manual Model 3005 Gamma Survey Meter Section 2 In COUNT mode, operation depends on the current state of the Count Timer. When the Count Timer is Ready:  The display will show the Count Time.  Tapping the UNITS button will switch between the Primary and Secondary Count Units.
  • Page 23 User’s Manual Model 3005 Gamma Survey Meter Section 2  Long-pressing the ON/ACK button will reset the Count Timer.  If an alarm condition occurred during the Timed Count, a continuous audio tone will sound, and the ALARM display indicator will turn on.

  • Page 24: Specifications

    User’s Manual Model 3005 Gamma Survey Meter Section 3 Section Specifications Detector: version dependent, internal energy-compensated GM for Models 3005, 3005/3, and 3005/4 HV: 550 Vdc Threshold: negative 4-100 mVdc, typically set to -35 mVdc for GM detectors Resolving Time: approximately 5 µsec as defined by IEC 60325...
  • Page 25 User’s Manual Model 3005 Gamma Survey Meter Section 3 Audio: click audio greater than 65 dB at 0.6 m (2 ft), alarm audio at greater than 72 dB, approximately 4.5 kHz Power: four alkaline “AA” batteries Battery Life: approximately 750 hours of operation (as low as 100 hours with...

  • Page 26: Setup Mode

    Setup Overview Your instrument has been shipped from Ludlum Measurements only after passing electronic checkout, a 24-hour burn-in process, and a careful calibration process. Calibration papers are supplied with each instrument shipped from Ludlum Measurements.

  • Page 27: Default Setup Values

    User’s Manual Model 3005 Gamma Survey Meter Section 4 Default Setup Values 3005/3 3005/4 Setup Parameter 3005 P1-1 Calibration Constant Mantissa P1-2 Calibration Constant Exponent P1-3 Dead Time Correction P1-4 Dead Time Correction 2 Mantissa varies P1-5 Dead Time Correction 2 Exponent...

  • Page 28: Entering Setup Mode

    RTC Second Entering Setup Mode To enter setup mode, power down the Model 3005, then turn the unit back ON. Following the display of the Firmware version, when the instrument has begun normal operation, press the MODE button three times (within four seconds) to enter Setup mode.
  • Page 29 To protect the Model 3005 from changes in Setup mode, slide DIP Switch 2 (the rightmost switch) to the ON (forward) position. If DIP Switch 2 is in the OFF (back) position, changes are allowed in Setup mode.

  • Page 30: Setup Mode Operation

    Section 4 Setup Mode Operation Setup Page Selection: Once the Model 3005 is in Setup mode, the Setup Page selection will be displayed on the LCD, and the Page number will be blinking, indicating it as the selected item. The number of available parameters per Setup Page will be displayed using the graph –...
  • Page 31 User’s Manual Model 3005 Gamma Survey Meter Section 4 Model 3005 List of Parameters (in order) Page 1 (P-1)  Calibration Constant Mantissa  Calibration Constant Exponent  Dead Time Correction 1  Dead Time Correction 2 Mantissa  Dead Time Correction 2 Exponent ...
  • Page 32 3005 is in PROTECT mode (dipswitch setting), the Setup parameters will cycle through to display the set values, but changes are not possible. The order of Setup parameters for the Model 3005 is as follows: Setup Page 1 Calibration Constant Mantissa (Default 110) - Tap ON/ACK to select the value to adjust, and MODE to adjust the value.
  • Page 33 4pi efficiency allows the display of the source size or activity on the Model 3005 display. But if the user desires to have the Model 3005 show results in terms of dpm/100 cm...
  • Page 34 User’s Manual Model 3005 Gamma Survey Meter Section 4 Pulser Threshold (Default 35 millivolts) - Tap ON/ACK to select the value to adjust, and MODE to adjust the value. Available values are: Ones Place (0-9) Tens Place (0-9) Hundreds Place (0-9) Multiplier (m or leftmost decimal) Note: multiplier m signifies a value in millivolts.
  • Page 35 User’s Manual Model 3005 Gamma Survey Meter Section 4 Setup Page 2 Primary RATE/MAX Units and Minimum Display (Default 0.00 µR/h) - Tap ON/ACK to select the value to adjust, and MODE to adjust the value. Available values are: Number of Decimal Places (0, 1, or 2) Minimum Units –...
  • Page 36 User’s Manual Model 3005 Gamma Survey Meter Section 4 Primary Count Units and Minimum Display (Default 0.00 µR) - Tap ON/ACK to select the value to adjust, and MODE to adjust the value. Available values are: Number of Decimal Places (0, 1, or 2) Minimum Units depend on the selected Primary Units–...
  • Page 37 User’s Manual Model 3005 Gamma Survey Meter Section 4 Setup Page 3 Secondary RATE/MAX Units and Minimum Display (Default 0 cpm) - Tap ON/ACK to select the value to adjust, and MODE to adjust the value. Set to OFF to disable Secondary RATE/MAX Units. Available values are: Number of Decimal Places (0, 1, or 2) Minimum Units –...
  • Page 38 User’s Manual Model 3005 Gamma Survey Meter Section 4 Secondary Count Units and Minimum Display (Default 0 c) - Tap ON/ACK to select the value to adjust, and MODE to adjust the value. If the Secondary Units is off, this parameter will be skipped. Available values are: Number of Decimal Places (0, 1, or 2) Minimum Units depend on the selected Primary Units.
  • Page 39 Between 6 kcpm and 12 kcpm (200 cps) More than 12 kcpm The Model 3005 also utilizes a Step function in Auto Response mode, which enables faster response to a significant increase or decrease in Count Rate. When the instrument detects a sudden change in count rate from the detector, the response time is reduced to 1 second to quickly show the new value.
  • Page 40 User’s Manual Model 3005 Gamma Survey Meter Section 4 Count Time (Default 1 minute) - Tap ON/ACK to select the value to adjust, and MODE to adjust the value. Setting Count Time to 0 enables continuous count until reset. If 9 minutes is selected, then the maximum seconds value is 60;...
  • Page 41 OFF – Disables backlight Sigma Audio (Default ON) - Tap MODE to adjust the value. Available values are: ON – Sigma Audio Enabled (not recommended for Model 3005, 3005/3, and 3005/4) OFF – Sigma Audio Disabled (Normal ‘Click’ Audio active)

  • Page 42: Advanced Features

    User’s Manual Model 3005 Gamma Survey Meter Section 5 Section Advanced Features Dead Time Correction All pulse counting detectors have a “dead time” in which the detector is unable to register another event. In relatively low fields this is not an issue. However, as the field strength approaches the high end of the detector’s range, dead time...

  • Page 43: Units

    User’s Manual Model 3005 Gamma Survey Meter Section 5 Units Depending on the chosen display units, different features will affect value of the reading. The following table lists the features that apply to each of the display units. Table 1: Features that modify different units...

  • Page 44: Instrument Calibration

    User’s Manual Model 3005 Gamma Survey Meter Section 5 Instrument Calibration This instrument provides the ability to digitally enter a voltage for both high voltage and threshold. As such, the instrument itself needs to be calibrated. This happens at the factory when the instrument is built and should not require re- calibration.

  • Page 45: Datalogging

    Section 6 Section Datalogging The datalogging feature of the Model 3005 allows the user to log radiation readings with the use of a handle-mounted LOG button. Data can be logged in any of the Model 3005’s operational modes (RATE, MAX, and COUNT).

  • Page 46: Datalogging Operation - Mode 1

    User’s Manual Model 3005 Gamma Survey Meter Section 6 Datalogging Operation – Mode 1 Datalogging Mode 1 will store the logged data using only the first Location ID in the Location ID table. When the LOG button is pressed, the current radiation reading and ...

  • Page 47: Datalogging Operation - Mode 2

    User’s Manual Model 3005 Gamma Survey Meter Section 6 Datalogging Operation – Mode 2 Datalogging Mode 2 will allow the user to choose the Location ID (by Location ID Table index) to store with the logged data. When the LOG button is pressed, the current radiation readings and ...

  • Page 48: Specifications

    User’s Manual Model 3005 Gamma Survey Meter Section 6 Datalogging Operation – Mode 3 Data Logging Mode 3 will automatically record data log records using the current location with the user settable auto log interval (settable to record every 1 to 1800 seconds).
  • Page 49 User’s Manual Model 3005 Gamma Survey Meter Section 6  Mode (1 Byte)  Detector Number (1 Byte)  Status (1 Byte)  Reserved (2 Bytes)  Elapsed Count Time in seconds (4 Bytes)  Scaler Count Time in seconds (4 Bytes) ...

  • Page 50: Software

    Section Software Connecting to Software Most Model 3005 instruments are sent with a standard 2-meter cable. (A 5- meter cable can be provided if requested. However, any cable above 2 meters may have issues with some USB-hubs/computers.) In order to connect an instrument to the computer, please connect one end of the USB cable to the instrument first, then the other end to the computer.

  • Page 51: Extended Features

    User’s Manual Model 3005 Gamma Survey Meter Section 7 Extended Features This section describes features that have been added to the firmware since the last software release. If the version of your Lumic Calibration Software is higher than 1.1.0.4, these parameters may have been moved to the Device tab.

  • Page 52: Safety Considerations

    User’s Manual Model 3005 Gamma Survey Meter Section 8 Section Safety Considerations Environmental Conditions for Normal Use Indoor or outdoor use (While rain resistant, user is cautioned to avoid getting water through detector opening.) No maximum altitude Temperature range of -40 to 65 °C (-40 to 150 °F)

  • Page 53: Cleaning And Maintenance Precautions

    The “CE” mark is used to identify this instrument as being acceptable for use within the European Union. Cleaning and Maintenance Precautions The Model 3005 may be cleaned externally with a damp cloth, using only water as the wetting agent. Observe the following precautions when cleaning or performing maintenance on the instrument: 1.

  • Page 54: Revision History

    July 2017: Deleted Loss of Count Alarm Protection in Specs on page 3-1 because Zero Protection covers the same thing in more detail, added 3005/3 and 3005/4 values to table on page 4-2, added Advanced Features section as Section 5.

  • Page 55: Recycling

    “crossed-out wheelie bin,” which notifies the consumer that the product is not to be mixed with unsorted municipal waste when discarding. Each material must be separated. On the Model 3005, the symbol will be placed on the serial number label located on the side of the instrument.

  • Page 56: Options

    User’s Manual Model 3005 Gamma Survey Meter Section 11 Section Options Lumic Calibration Kit (part # 4498-1018): The kit includes calibration software plus the cable required for calibration. The software allows users to collect data and read, print, and save device parameters. It allows administrators to adjust device parameters from one device to another.

  • Page 57: Energy Response A

    User’s Manual Model 3005 Gamma Survey Meter Appendix A Appendix Energy Response Energy Response for LMI Model 3005 Relative to Cs-137 • Cs-137 1000 10000 Gamma Energy (keV) Ludlum Measurements, Inc. Page A-1 July 2017...

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