LUDLUM 3001 User Manual
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LUDLUM 3001 User Manual

Multi-detector survey meter
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LUDLUM MODEL 3001
MULTI-DETECTOR SURVEY METER
USER'S MANUAL
April 2017

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Summary of Contents for LUDLUM 3001

  • Page 1 LUDLUM MODEL 3001 MULTI-DETECTOR SURVEY METER USER’S MANUAL April 2017...
  • Page 2 LUDLUM MODEL 3001 MULTI-DETECTOR SURVEY METER USER’S MANUAL April 2017...
  • Page 3 User’s Manual Model 3001 Multi-Detector Survey Meter...
  • Page 4 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 3001 Multi-Detector Survey Meter Table of Contents Introduction Getting Started Unpacking and Repacking Battery Installation Instrument Operational Test Sigma Audio Detector Failure Diagnostic Detector Over Range Detector Overload Instrument Use and Controls RATE Mode Operation MAX Mode Operation...
  • Page 7 User’s Manual Model 3001 Multi-Detector Survey Meter Warning Markings and Symbols Cleaning and Maintenance Precautions Revision History Recycling Options Standard Parts List Appendix A: Typical Values...

  • Page 8: Introduction

    The foam grip provides a comfortable, ergonomic grip but may be removed for ease of decontamination. Three modes of operation are available for the Model 3001 – RATE, MAX, and COUNT. RATE mode operation will display the current count, exposure, or activity rate. MAX mode is used to capture the highest count, activity, or exposure rate detected –...
  • Page 9 Ludlum Measurements. Front-panel setup can be disabled via the internal switch on the Model 3001 in order to protect settings from inadvertent changes. When the settings are protected, the user can only view the settings, and the password-protected software must be used to change any of the settings.

  • Page 10: Getting Started

    Check individual item serial numbers and ensure calibration certificates match between instruments and detectors (if applicable). The Model 3001 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 11: Instrument Operational Test

    Please refer to Figure 1 below. Figure 1: Startup display for Model 3001, with all LCD segments shown. The instrument then displays the firmware version. Please refer to Figure 2 below.
  • Page 12 User’s Manual Model 3001 Multi-Detector Survey Meter Section 2 Figure 3: Battery Voltage display The instrument then displays the number of stored records if datalogging is enabled. Please refer to Figure 4 below. Figure 4: Startup display for Optional Data Logging firmware, showing 155 stored records.

  • Page 13: Sigma Audio

    Once this procedure has been completed, the instrument is ready for use. Sigma Audio The Ludlum Model 3001 has the standard "click" audio that is widely used by radiation instruments. However, it also has a Sigma Audio mode that can be enabled to change the audio sound. This mode is useful for scintillation detectors because their high count rate makes the "click"...

  • Page 14: Detector Failure Diagnostic

    Section 2 Detector Failure Diagnostic Note that the Model 3001 has its own diagnostic tests to ensure that the detector is functioning correctly. The Model 3001 can detect when the radiation detector is malfunctioning and will flash the display to indicate a fault.

  • Page 15: Detector Overload

    Instrument Use and Controls With four front-panel buttons (as seen in front-panel drawing in front of manual), the Ludlum Model 3001 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 16 User’s Manual Model 3001 Multi-Detector Survey Meter Section 2 Short Press (tap-pressing the button and releasing in under a half second): Normal Operation: Will acknowledge/silence alarms in all modes  of operation. Change Log Location Selected Position (if data logging is enabled).

  • Page 17: Rate Mode Operation

    User’s Manual Model 3001 Multi-Detector Survey Meter Section 2  Used to advance between the three operating modes: RATE, MAX, and COUNT. Note that MAX and/or COUNT mode may be disabled from use.  The device menu increments selected digit/text to the next available option.

  • Page 18: Max Mode Operation

    User’s Manual Model 3001 Multi-Detector 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 19: Count Mode Operation

    User’s Manual Model 3001 Multi-Detector Survey Meter Section 2 COUNT Mode Operation When entering COUNT Mode from another operational mode, the currently selected COUNT Unit 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 20 User’s Manual Model 3001 Multi-Detector 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 21 User’s Manual Model 3001 Multi-Detector 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 22 User’s Manual Model 3001 Multi-Detector Survey Meter Section 2  If an alarm condition occurred during the Timed Count, a continuous audio tone will sound, and the ALARM display indicator will already be on. Tapping the ON/ACK button once will acknowledge and turn off the continuous tone alarm audio.

  • Page 23: Specifications

    User’s Manual Model 3001 Multi-Detector Survey Meter Section 3 Section Specifications Detector: may be Geiger-Mueller (GM), scintillator, or proportional HV Range: 400-1500 Vdc Threshold Range: 4-100 mVdc Resolving Time: approximately 5 µsec as defined by IEC 60325 Alarms: count rate, exposure/dose, and count alarm setpoints adjustable over...
  • Page 24 User’s Manual Model 3001 Multi-Detector Survey Meter Section 3 User Controls:  ON/ ACK – long press to turn ON, tap to acknowledge alarms and silence alarm tone, long press to reset Sigma Audio alarm, long press to reset Rate, and hold for OFF. Tap to turn “click” audio on/off, or turn Sigma Audio beep on/off ...

  • Page 25: 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 26 User’s Manual Model 3001 Multi-Detector Survey Meter Section 4 Default Detector SetupFirmware Values Default Setup Parameter Notes Value P1-1 Calibration Constant Mantissa 200 e Counts/R P1-2 Calibration Constant Exponent P1-3 Scintillator 5-10 µsec Dead Time Correction GM Tube 50-100 P1-4...

  • Page 27: Entering Setup Mode

    RTC Second Entering Setup Mode To enter Setup Mode, power down the Model 3001, then turn the unit back ON. Following the display of the Firmware version, when the instrument has begun normal operation, tap the MODE button three times (within four seconds) to enter Setup mode.
  • Page 28 User’s Manual Model 3001 Multi-Detector Survey Meter Section 4 display will then show P-1, indicating the first setup page is selected. Select the desired Setup Page by tapping the MODE button. Tap the UNITS button to Ludlum Measurements, Inc. Page 4-3...
  • Page 29 Model 3001 circuit board. To change the switch, open the battery compartment and remove the batteries from the Model 3001. Next, loosen the six pan head screws that fasten the bottom cover.

  • Page 30: Setup Mode Operation

    Calibration Software. Setup Mode Operation Setup Detector Selection: Once the Model 3001 is in Setup mode, the Setup Detector Selection will be displayed on the LCD, and the detector number will be blinking, indicating it as the selected item. Tap the DETECTOR button to choose the detector.
  • Page 31 Model 3001 Multi-Detector Survey Meter Section 4 Setup Page Selection: Once the Model 3001 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 32 The graph will display the total number of parameters available on the current Setup Page, and the current parameter’s position will be blinking. When the Model 3001 is in PROTECT Ludlum Measurements, Inc.
  • Page 33 (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 3001 is as follows: Setup Page 1 Calibration Constant Mantissa (Default 200) - Tap ON/ACK to select the value to adjust, and MODE to adjust the value.
  • Page 34 4pi efficiency allows the display of the source size or activity on the Model 3001 display. But if the user desires to have the Model 3001 show results in terms of dpm/100 cm...
  • Page 35 User’s Manual Model 3001 Multi-Detector Survey Meter Section 4 High Voltage (Default 900 Volts) - Tap ON/ACK to select the value to adjust, and MODE to adjust the value. Value is in Volts. Available values are: Ones Place (0-9) Tens Place (0-9)
  • Page 36 User’s Manual Model 3001 Multi-Detector Survey Meter Section 4 Setup Page 2 Primary RATE/MAX Units and Minimum Display (Default 0 µR/hr) - 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 (See list below.)
  • Page 37 User’s Manual Model 3001 Multi-Detector Survey Meter Section 4 Primary Count Units and Minimum Display (Default 0 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 (See list below.)
  • Page 38 User’s Manual Model 3001 Multi-Detector Survey Meter Section 4 Setup Page 3 Secondary RATE/MAX Units and Minimum Display (Default 000 cpm) - 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 (See list below.)
  • Page 39 User’s Manual Model 3001 Multi-Detector Survey Meter Section 4 Secondary Count Units and Minimum Display (Default 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 40 Between 6 kcpm and 12 kcpm (200 cps) More than 12 kcpm The Model 3001 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 41 User’s Manual Model 3001 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 are selected, then the maximum seconds value is 60;...
  • Page 42 User’s Manual Model 3001 Survey meter Section 4 High Light Turn On: The value will set the threshold that the backlight will turn on at. (This should be lower than the Turn Off value.) High Light Turn Off: The value will set the threshold that the backlight will turn off at.

  • Page 43: Datalogging Option

    Section Datalogging Option The datalogging feature of the Model 3001 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 3001’s operational modes (RATE, MAX, and COUNT).

  • Page 44: Datalogging Operationg - Mode

    User’s Manual Model 3001 Survey meter Section 5 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 45 User’s Manual Model 3001 Multi-Detector Survey Meter Section 5 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 46: Datalogging Operationg - Mode

    User’s Manual Model 3001 Survey meter Section 5 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 47 User’s Manual Model 3001 Multi-Detector Survey Meter Section 5  Detector Number (1 Byte)  Status (1 Byte)  Reserved (2 Bytes)  Elapsed Count Time in seconds (4 Bytes)  Scaler Count Time in seconds (4 Bytes)  Location ID (32 Bytes) Ludlum Measurements, Inc.

  • Page 48: Software

    Section Software Connecting to Software Most Model 3001 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.) 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 49: Extended Features

    User’s Manual Model 3001 Survey meter Section 6 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 50: Safety Considerations

    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. The Model 3001 Survey meter is marked with the following symbols: CAUTION (per ISO 3864, No.
  • Page 51 The “CE” mark is used to identify this instrument as being acceptable for use within the European Union. Cleaning and Maintenance Precautions The Model 3001 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 52 NOTE: This section of the manual will be updated with each revision of the Model 3001 in order to document changes over time. Ludlum Measurements’ policy is to provide free software upgrades to instruments for the life of the instrument.
  • Page 53 “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 3001, the symbol will be placed on the serial number label located on the side of the instrument.
  • Page 54 When paired with Ludlum’s Lumic Linker App, the operator can also seamlessly send data to the *RadResponder Network, which provides a central location for up-to-date information from operators in the field.
  • Page 55 User’s Manual Model 3001 Multi-Detector Survey Meter Section 11 Section Standard Parts List Part Description Part # Model 3001 Digital Survey Meter 48-4036 Model 3001 Main Board 5498-440 LCD 82 mm x 61.64 mm 7498-417 Unimorph with Harness 8498-542 Model 3001 Bezel Assembly...
  • Page 56 User’s Manual Model 3001 Multi-Detector Survey Meter Section A Section Appendix A: Typical Values Model Model Alpha or Model Model Setting Setup Parameter 133-6 44-2 Beta 133-4 43-132 Calibration Constant P1-1 Mantissa Calibration Constant P1-2 Exponent P1-3 Dead Time Correction 1...
  • Page 57 User’s Manual Model 3001 Multi-Detector Survey Meter Section A Model Model Alpha or Model Model Setting Setup Parameter 133-6 44-2 Beta 133-4 43-132 Unit 2 - Units Maximum P3-2 999 kcpm 999 kcpm 999 kcpm 999 kcpm Display Unit 2 - RATE/ MAX P3-3 5.00 kcpm...

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