Ludlum Measurements 3000 User Manual
  1. Manuals
  2. Brands
  3. Ludlum Measurements Manuals
  4. Measuring Instruments
  5. 3000
  6. User manual

Ludlum Measurements 3000 User Manual

Survey meter
Hide thumbs Also See for 3000:
Table of Contents

Advertisement

Quick Links

Download this manual
LUDLUM MODEL 3000 SURVEY METER
USER'S MANUAL
April 2021
Serial Number: 25009185 and Succeeding
Firmware: n34 only

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the 3000 and is the answer not in the manual?

Questions and answers

Peter Anderson, MD
March 13, 2025

I have a new in the box Ludlum Model 3000 with a ****-6 probe. I understand that it can read up to 999 R/hr. What is the lowest radiation level that it can pick up?

0
1 comments:
Mr. Anderson
May 14, 2025

The lowest radiation level that the Ludlum Measurements Model 3000 with a -6 probe can detect is 0.00 cpm (counts per minute).

This answer is automatically generated

0

Related Manuals for Ludlum Measurements 3000

Summary of Contents for Ludlum Measurements 3000

  • Page 1 LUDLUM MODEL 3000 SURVEY METER USER’S MANUAL April 2021 Serial Number: 25009185 and Succeeding Firmware: n34 only...
  • Page 2 LUDLUM MODEL 3000 SURVEY METER USER’S MANUAL April 2021 Serial Number: 25009185 and Succeeding Firmware: n34 only...
  • Page 3 User’s Manual Model 3000 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 3000 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 3000 Survey meter Software Connecting to Software Advanced Features Dead Time Correction Units Software Calibration Tools Other Device Data Real-time Streaming Safety Considerations Environmental Conditions for Normal Use Warning Markings and Symbols Cleaning and Maintenance Precautions Revision History...

  • Page 8: Introduction

    Three modes of operation are available for the Model 3000 – 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 The front-panel setup feature can be disabled via the internal switch on the Model 3000 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 10 User’s Manual Model 3000 Survey meter Section 1 For more advanced use: See Appendix A for information on our Auxiliary Communications features, which allow the instrument to expand its capabilities with a variety of external devices through a standard serial interface.

  • Page 11: Getting Started

    Check individual item serial numbers and ensure calibration certificates match between instruments and detectors (if applicable). The Model 3000 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

    If any LCD segments are missing, or audio fails to work, the device is in need of repair. Please refer to Figure 1 below. Figure 1: Startup display for Model 3000, with all LCD segments shown. The instrument then displays the firmware version. Please refer to Figure 2 below.
  • Page 13 User’s Manual Model 3000 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 Datalogging firmware, showing 155 stored records.

  • Page 14: Sigma Audio

    Once this procedure has been completed, the instrument is ready for use. Sigma Audio The Ludlum Model 3000 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.

  • Page 15: Detector Failure Diagnostic

    Section 2 Detector Failure Diagnostic Note that the Model 3000 has its own diagnostic tests to ensure that the detector is functioning correctly. The Model 3000 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 3000 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. Long- pressing the UNITS button will switch between Primary and Secondary units.
  • Page 17 User’s Manual Model 3000 Survey meter Section 2 See the Model 3000 drawing at the beginning of this manual to reference the following controls: ON/OFF button Power On: Press for approximately one-half of a second and release  (all LCD segments will activate, and firmware version will be shown).

  • Page 18: Rate Mode Operation

    User’s Manual Model 3000 Survey meter Section 2 AUDIO button Short Tap (pressing the button and releasing under a half second): Used to toggle the click audio ON or OFF. Click audio defaults to ON when the unit is powered up. When Sigma Audio is enabled, tapping the AUDIO button will toggle the Sigma Audio beep ON and OFF.

  • Page 19: Max Mode Operation

    User’s Manual Model 3000 Survey meter Section 2 If an alarm condition is present, tapping the ON/OFF button will acknowledge and turn off the continuous tone alarm audio. Under an alarm condition, the ALARM display indicator will remain on. Alarms are non- latching in RATE mode.

  • Page 20: Count Mode Operation

    User’s Manual Model 3000 Survey meter Section 2 If other operational modes are available, pressing the MODE button will move to the next available operational mode. Figure 9: MAX mode operation display with ALARM indicator. COUNT Mode Operation When entering COUNT Mode from another operational mode, the currently selected COUNT Unit will be displayed for approximately one second.
  • Page 21 User’s Manual Model 3000 Survey meter Section 2 Note: Tapping the LOG button will start a count and automatically log the result. A long press of the LOG button during the count will toggle the display between the timer and reading.
  • Page 22 User’s Manual Model 3000 Survey meter Section 2 Other choices are to have count mode units of R/h or Sv/h, in which case the COUNT mode result is an averaged exposure or dose rate. But if count mode units of R or Sv are chosen, the result is shown in accumulated exposure or accumulated dose over the chosen count time.
  • Page 23 User’s Manual Model 3000 Survey meter Section 2  If an alarm condition occurs, the ALARM display indicator will turn on. Alarm audio will sound after the count is completed if the result is over the alarm threshold. (If the count unit is an averaged rate, it is...

  • Page 24: Specifications

    User’s Manual Model 3000 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 Linearity: within 10% Resolving Time: approximately 5 µsec as defined by IEC 60325 Alarms: count rate, exposure/dose, and count alarm set points adjustable over...
  • Page 25 User’s Manual Model 3000 Survey meter Section 3 Backlight: built-in ambient light sensor automatically activates low-power LED backlight, unless internal dip switch is set to continuous-on (will reduce battery life) User Controls:  ON/OFF/ACK – long press to turn ON, tap to acknowledge alarms...

  • 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: Setup Parameters

    User’s Manual Model 3000 Survey meter Section 4 Setup Parameters Model Model Alpha or Setting Setup Parameter Model Model 133-6 44-2 Beta 42-31H 44-132 Calibration Constant P1-1 Mantissa Calibration Constant P1-2 Exponent P1-3 Dead Time Correction 1 Dead Time Correction 2...
  • Page 28 User’s Manual Model 3000 Survey meter Section 4 Model Model Alpha or Setting Setup Parameter Model Model 133-6 44-2 Beta 42-31H 44-132 Response Time/Auto P4-1/2 Response Rate P4-3 Enabled Modes Rate/Max/Count P4-4 Count Time P4-5 Auto Shutdown Time 0 hours (disabled)

  • Page 29: Entering Setup Mode

    Section 4 Entering Setup Mode To enter Setup Mode, power down the Model 3000, 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 30: Setup Mode Operation

    Calibration Software. Setup Mode Operation Setup Page Selection: Once the Model 3000 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-the number of segments indicating the number of parameters.
  • Page 31 The list on the following page includes the five setup pages and parameters, in order, on each page. Model 3000 List of Parameters (in order) Page 1 (P-1)  Calibration Constant Mantissa ...
  • Page 32 User’s Manual Model 3000 Survey meter Section 4  Primary Units RATE/MAX Mode Alarm  Primary COUNT Units and Minimum Display  Primary COUNT Units Alarm Page 3 (P-3)  Secondary Units and Minimum Display  Secondary Units Maximum Display ...
  • Page 33 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 3000 is in PROTECT mode (dipswitch setting), the Setup parameters will cycle through to display the set values, but changes are not possible.
  • Page 34 4pi efficiency allows the display of the source size or activity on the Model 3000 display. But if the user desires to have the Model 3000 show results in terms of dpm/100 cm...
  • Page 35 User’s Manual Model 3000 Survey meter Section 4 Or likewise for Bq/cm , efficiency could be calculated as: efficiency = count rate/disintegration rate*detector area (in cm ). For example, with the same detector as above with an area of 15 cm...
  • Page 36 User’s Manual Model 3000 Survey meter Section 4 Setup Page 2 Primary RATE/MAX Units and Minimum Display (Default 0 µR/hr) - Tap ON/OFF 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 37 User’s Manual Model 3000 Survey meter Section 4 Primary Count Units and Minimum Display (Default 0 µR) - Tap ON/OFF 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 38 User’s Manual Model 3000 Survey meter Section 4 Setup Page 3 Secondary RATE/MAX Units and Minimum Display (Default 0 cpm) - Tap ON/OFF 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 3000 Survey meter Section 4 Secondary Count Units and Minimum Display (Default c) - Tap ON/OFF 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 (See list below.)
  • Page 40 Between 6 kcpm and 12 kcpm (200 cps) More than 12 kcpm The Model 3000 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 3000 Survey meter Section 4 Count Time (Default 1 minute) - Tap ON/OFF 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 3000 Survey meter Section 4 High Light Turn On: This 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: This value will set the threshold that the backlight will turn off at.
  • Page 43 User’s Manual Model 3000 Survey meter Section 4 Datalogging Mode (Default 1) – Displays the current Datalogging Mode selection for the device. Valid values are: 1-3 Month (Default 1) – Displays the month of the Real Time Clock. Available values are: 1-12 Day (Default 7) –...

  • Page 44: Datalogging

    Section 5 Section Datalogging The datalogging feature of the Model 3000 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 3000’s operational modes (RATE, MAX, and COUNT).

  • Page 45: Datalogging Operation - Mode 1

    User’s Manual Model 3000 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 46: Datalogging Operation - Mode 2

    User’s Manual Model 3000 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 47: Specifications

    User’s Manual Model 3000 Survey meter Section 5 Datalogging Operation – Mode 3 Datalogging 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 48 User’s Manual Model 3000 Survey meter Section 5  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 49: Software

    Section Software Connecting to Software The Model 3000 software kits are sent with a standard 2-meter cable (A 5- meter cable can be provided if requested. However, any cable longer than 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, and then the other to the computer.

  • Page 50: Advanced Features

    User’s Manual Model 3000 Survey meter Section 7 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.

  • Page 51: Units

    User’s Manual Model 3000 Survey meter Section 7 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. Unit Feature Dead time correct...

  • Page 52: Software Calibration Tools

    User’s Manual Model 3000 Survey meter Section 7 Software Calibration Tools Lumic Calibration software includes wizards that will assist in calibrating and plateauing detectors. After configuring the wizard for a specific detector, the wizard will automate much of the data collection and calculation required for calibration.

  • Page 53: Safety Considerations

    User’s Manual Model 3000 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 -20 to 50 °C (-5 to 122 °F), may be certified for operation from -40 to 65 ˚C (-40 to 150 ˚F)

  • Page 54: 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 3000 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 55: Revision History

    User’s Manual Model 3000 Survey meter Section 9 Section Revision History NOTE: This section of the manual will be updated with each revision of 3000 the Model 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 56 Section 1, deleted 3000 Series Datalogging Option in Section 11. Updated to two alarms in Section 4. Made corrections to first paragraph of Section 6, under Connecting to Software.

  • Page 57: 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 3000, the symbol will be placed on the serial number label located on the side of the instrument.

  • Page 58: Options

    Reported data includes user, radiometric survey, survey notes, and GPS location, as well as details about the instrument and detector being used. (See the Model 3000 Series Bluetooth LE® Addendum for more details on how to use this option.) Ludlum Measurements, Inc.

  • Page 59: Standard Parts List

    User’s Manual Model 3000 Survey meter Section 12 Section Standard Parts List Part Description Part # Model 3000 Digital Survey Meter 48-4035 Model 3000 Main Board 5519-042 LCD 82 mm x 61.64 mm 7498-417 Unimorph with Harness 8498-542 Model 3000 Bezel Assembly...

  • Page 60: Auxiliary Communications A

    Requirements In order to take advantage of the AuxComm functionality, you will need the following:  An instrument with Printed Circuit Board Number (PCB#) PCB# 5519-042 (Model 3000, 3001) PCB# 5519-063 (Model 3002) PCB# 5498-770 (Model 3276 **375 Modes only**) ...

  • Page 61: Usage

    User’s Manual Model 3000 Survey meter Appendix A Figure 14: Example – Printed Circuit Board (PCB) number location. Usage Usage of the AuxComm port is generally very simple from the user’s perspective. Most modes only require everything to be plugged in and then should “just work.” However, there are a couple of caveats.
  • Page 62 User’s Manual Model 3000 Survey meter Appendix A >2 second: If the hot-key combination is held for longer than 2 seconds, the instrument will present the user with a PIN needed for pairing. See Figure 16. Figure 15: Example – AuxComm Hot-key.
  • Page 63 User’s Manual Model 3000 Survey meter Appendix A Figure 16: Example – Device Selection Figure 17: Example – Model 3001 Paring In Lumic Linker App (iOS) Figure 18: Example – Model 3001 Figure 19: Example – Entering PIN Found in Lumic Linker App (iOS) in Lumic Linker App (iOS) Ludlum Measurements, Inc.

  • Page 64: Settings

    User’s Manual Model 3000 Survey meter Appendix A Settings The settings for AuxComm are only configurable through software. See Figure 20. Figure 20: Example – Lumic Calibration Software AuxComm Menu AuxComm Setting - Enabled This setting enables or disables the AuxComm port. If this is set to “Off,” the port is completely disabled and will stay that way until set to “On.”...
  • Page 65 User’s Manual Model 3000 Survey meter Appendix A Table A-2: AuxComm Mode Setting Mode Baud Rate SLURM 115200 LMI Direct 115200 375 Standard 2400 375 Ethernet 2400 375 for 272D 2400 SLURM: Used to encapsulate “LMI Direct” messages with encryption and checksums. This mode is primarily used for Bluetooth®.
  • Page 66 User’s Manual Model 3000 Survey meter Appendix A Disabled Inactivity minutes before auto off AuxComm Setting - Power on at Boot-up This setting determines whether or not the AuxComm module is turned on when the instrument is powered on. In addition to power savings, this setting is also intended for use when a user has a need for “radio silence”...
  • Page 67 User’s Manual Model 3000 Survey meter Appendix A If write protect is enabled, it can only be disabled by physically connecting it to the instrument through the USB port. AuxComm Setting - Encryption This setting controls whether or not encryption is enabled on the AuxComm port. While using the instrument equipped with a wireless radio, such as the Bluetooth®...
  • Page 68 This setting only applies to Simple Counts mode as of this writing. Table A-7: AuxComm Auto Mode Interval Setting Description As fast as possible (1/4 second on Model 3000 family) 1-255 n-Seconds Settings on Particular Models The following table, Table A-8, shows the list of AuxComm settings available on various models.

This manual is also suitable for:

25009185

Table of Contents