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Ludlum Measurements 3277/1 Manual
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Ludlum Measurements 3277/1 Manual

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Model 3277/1 Desktop Frisking Station
Ludlum Measurements
December 2024
Firmware: 1.10.6 and Higher

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Summary of Contents for Ludlum Measurements 3277/1

  • Page 1 Model 3277/1 Desktop Frisking Station Ludlum Measurements December 2024 Firmware: 1.10.6 and Higher...
  • Page 3 Model 3277/1 Desktop Frisking Station Ludlum Measurements December 2024 Firmware: 1.10.6 and Higher...

  • Page 5: Statement Of Warranty

    STATEMENT OF WARRANTY Ludlum Measurements, Inc. warrants the products covered in this manual to be free of de- fects due to workmanship, material, and design for a period of twelve months from the date of delivery. The calibration of a product is warranted to be within its specified accuracy lim- its at the time of shipment.

  • Page 7: Table Of Contents

    ONTENTS Contents List of Figures List of Tables 1 Introduction 2 Getting Started Unpacking and Repacking ....... 11 2.1.1 Powering the Unit .
  • Page 8 8 Specifications Model 3277/1 System ........43...

  • Page 9: List Of Figures

    IST OF IGURES Splash-screen/Wallpaper ........12 System Idle ......... . 12 Readings .

  • Page 11: List Of Tables

    IST OF ABLES Power Status ......... 14 Run Mode Buttons .

  • Page 13: Introduction

    NTRODUCTION The Model 3277/1 is a wall-mount or desktop instrument that can be used for frisking per- sonnel or objects for alpha and beta contamination. The detection circuitry of the Model 3277/1 is powered by a Model 3002 main board. This allows calibration in the well-known Model 3000 ecosystem.

  • Page 15: Getting Started

    Check individual item serial numbers and ensure calibration certificates match between instruments and de- tectors (if applicable). The Model 3277/1 serial number is located on the bottom left corner of the front face of the unit.

  • Page 16: Instrument Operational Test

    If the source check lockout feature is enabled, the user may be locked out of using the instru- ment until a source check has been completed. Please see Chapter 5 for details on perform- ing a source check. Once this procedure has been completed, the instrument is ready for use. Ludlum Measurements, Inc.

  • Page 17: Instrument Use And Controls

    2.3. INSTRUMENT USE AND CONTROLS 2.3 Instrument Use and Controls With the color touch-screen display, the Ludlum Model 3277/1 is simple and easy to use with minimal training required. While in normal running mode, the unit will look similar to Figure 2.2.

  • Page 18: Button Bar

    Battery and supply voltages not available 2.3.3 Button Bar The button bar (Figure 2.5) shows the main controls/indicators for the current state of oper- ation. Table 2.2 describes the general function of the buttons that can be seen during normal operation. Ludlum Measurements, Inc.

  • Page 19: Button Bar

    2.3. INSTRUMENT USE AND CONTROLS Figure 2.5: Button Bar Table 2.2: Run Mode Buttons Settings Menu Acknowledge Alarms Click Audio Background Subtract Mode The buttons can also be interacted with by touching them. Table 2.3 describes what each icon means and what happens if you tap the button. December 2024...

  • Page 20: Run Mode Icons And Tap Controls

    Current readings are count Return to rate readings Manual touch control can be disabled in settings Some buttons have extended features by pressing, holding for more than 1 second, and then releasing. Table 2.4 lists their functions. Ludlum Measurements, Inc.

  • Page 21: Detector Sensor

    Show current background values 2.4 Detector Sensor The Ludlum Model 3277/1 has a sensor for the cradle (Figure 2.6). When the sensor is acti- vated, the frisker icon on the display will light up to indicate the sensor has been activated.

  • Page 22: Backup Battery

    • While in Manual Count 2.8 Backup Battery The Model 3277/1 is equipped with an internal backup battery. The battery backup is in- tended to be used for a few hours during power outages or for temporary portable operation. See Chapter 4 for more information.

  • Page 23: Normal Operation

    More than 12 kcpm 3.1 Idle State "Idle" for the Model 3277/1 is defined as the normal condition the unit is in when the frisker is in the cradle and the unit is not in a source check lockout. Normally the Model 3277/1 will boot up and is automatically "Idle."...

  • Page 24: Manual Count

    The values shown will be rate meter readings with a Model 3002 response rate of auto fast. See Table 3.1. While in the frisk state, you can also start a manual count by tapping the mode button. See Section 3.2 for more details. Ludlum Measurements, Inc.

  • Page 25: Backup Battery

    A new fully charged battery can become discharged below 7 volts within 70-80 days. If the unit is powered from batteries until shutdown and left disconnected from wall power, a new battery can become discharged below 7 volts within 4 days. Ludlum Measurements, Inc. recommends replacing the batteries every four years.

  • Page 26: Accessing Battery Compartment

    12-volt lead acid battery. 1. Remove the cover to access the battery. Refer to Section 4.1 for screw locations. 2. Disconnect battery wires by pulling on the housing of the blade connectors of each terminal. Ludlum Measurements, Inc.

  • Page 27: Replacing Battery

    7. Reconnect instrument connections. 8. Replace cover and screws. 9. Immediately plug Model 3277/1 into wall power and allow unit to fully charge the bat- tery. You can turn the instrument on to monitor the battery voltage and verify it is charging by monitoring the battery voltage displayed in the top right corner of the display.

  • Page 28: Battery Mounting Screws

    CHAPTER 4. BACKUP BATTERY Figure 4.2: Battery Mounting Screws Ludlum Measurements, Inc.

  • Page 29: Source Check

    OURCE HECK A source check feature can be enabled on this instrument. See subsection 6.2.6 for settings to enable the source check. If the source check is enabled and expired, the instrument will be out of service until a source check is successfully passed. If the source check feature is disabled or the source check is current, the instrument will operate normally.

  • Page 30: Select Source

    (Figure 5.3). The check source should be placed on the appropriate detector, or all sources removed for background, before tapping the start button. Once pressed, the count will start with the configured amount of counting time. Ludlum Measurements, Inc.

  • Page 31: Results

    5.1. PERFORMING A SOURCE CHECK Figure 5.2: Source Check - Source Selection Figure 5.3: Source Check - Start Count 5.1.5 Results When a source check test count has been completed, the results will be shown to the user (Figure 5.4). The user will have to decide if the test is a pass or fail. Once the user selects the pass or fail status, the display will return to the source test selection screen.

  • Page 32: Source Check - Results

    CHAPTER 5. SOURCE CHECK Figure 5.4: Source Check - Results Figure 5.5: Source Check - Current Ludlum Measurements, Inc.

  • Page 33: Settings

    ETTINGS General settings on the Model 3277 are easily accessed via the touch-screen interface. Calibration is not accessed through the settings menu. See Chapter 7 for details. The Model 3277 has two user levels. The top level has the options to configure how the instruments perform.

  • Page 34: Settings - Login

    The user login screen looks like Figure 6.1. Click in the box to the right of "User ID" to bring up the keypad. Figure 6.1: Settings - Login Tap in the desired user ID from Table 6.1 and press the enter button (">") on the bottom right of the keyboard. Ludlum Measurements, Inc.

  • Page 35: Settings Menus

    6.2. SETTINGS MENUS Figure 6.2: Settings - Keypad Figure 6.3: Settings - Enter User ID 6.2 Settings Menus The following subsections list each of the menu pages. These menus can be cycled through by clicking the up and down arrows after logging in. 6.2.1 General Settings The general settings page is for configuring the basic operation of the instrument.

  • Page 36: Idle Settings

    PIN number is required to access Settings Pin Integer settings. PIN number is required to per- Source Check PIN Integer form source check. English English text Language French French text 6.2.2 Idle Settings These settings control how the unit operates while idle. Ludlum Measurements, Inc.

  • Page 37: Mct Settings

    The units for the alarm points are controlled by the detector board’s rate mode settings. 6.2.3 MCT Settings The minimum count time (MCT) function is controlled with the following settings. Minimum count time is currently unavailable on the Model 3277/1. This menu will probably be removed in a future update. December 2024...

  • Page 38: Manual Count Settings

    Manual count alarm point is based on live rate value minus Manual Count background. Alarm Mode Manual count alarm point is Gross based on live rate value. 6.2.5 Frisk Settings These settings control how the unit operates while in Frisk mode. Ludlum Measurements, Inc.

  • Page 39: Source Check Settings

    6.2. SETTINGS MENUS Table 6.7: Frisk Settings Setting Options Details Counts Per Minute Idle/Frisk Counts Per Second Units Disintegrations Per Minute Becquerels Auto Activate Allows Background Subtract to Checkbox BG Subtract automatically activate. Frisk alarm point is based on live Frisk Alarm rate value minus background.

  • Page 40: Set Time

    Current day of the month Year Integer Current year Pressing button sets the system Set Time Go Button time and time zone to the cur- rent settings 6.2.8 Calibration Settings This menu is for setting calibration settings for each detector. Ludlum Measurements, Inc.

  • Page 41: Info Menu

    6.3. INFO MENU Table 6.10: Calibration Settings Setting Options Details Hand String Detector’s Firmware Version Firmware Device SN String Device’s Serial Number Detector SN String Detector’s Serial Number Voltage Integer Detector’s Voltage Overload Integer Detector’s Overload Value Alpha/Beta Detector’s Alpha or Beta Thresh- Float Threshold Alpha/Beta...

  • Page 42: System Control Menu

    If your model is equipped with a power switch, turning the switch to the off position should start a shutdown without using this menu. If a shutdown is performed from this menu, the switch will have to be turned off then back on to power up the instrument again. Ludlum Measurements, Inc.

  • Page 43: Detector Board Calibration/Configuration

    7.1 Required for operation Table 7.1 describes the parameters every detector board (Model 3002 board) must be con- figured to for proper operation of the Model 3277/1. These should all be set correctly at the factory and are listed here for reference.

  • Page 44: Calibration Parameters

    Sets the discrimination voltages for the alpha and beta chan- & Windows nels Efficiency Defines the detection efficiency of the detector Defines the unit shown while the Model 3277/1 is idle in the Rate Units "Rate" mode Count Units Defines the unit shown while in all "Counting" modes Rate Alarm Alarm value while the Model 3277/1 is idle in the "Rate"...

  • Page 45: Idle Alarm Values

    Figure 7.2: Count Alarm Example - Back- Figure 7.3: Count Alarm Example - Back- ground Off ground On 7.2.3 Ignored Parameters Table 7.3 lists the parameters that are ignored and/or overridden by the Model 3277/1. Table 7.3: Ignored Parameters Parameter Value Reason...

  • Page 47: Specifications

    PECIFICATIONS 8.1 Model 3277/1 System Part Number 48-4357 • DISPLAY: 17.8 cm (7 in.) diagonal, TFT LCD SVGA • COUNT TIME: manual count mode • CONTROLS: touch screen • ALARMS: audible and visual alarms • LINEARITY: within 10% • CLICK AUDIO: greater than 75 dB at 0.6 m (2 ft.), approximately 4.5 kHz •...
  • Page 48 – Model 43-147 Cradle: PN 4519-442 • COMPATIBLE DETECTORS: – Model 43-93: (PN: 47-2556) 100 cm alpha/beta scintillator – Model 43-147: (PN: 47-4092) 200 cm alpha/beta scintillator – Model 43-68: (PN: 47-2005) 100 cm alpha/beta gas proportional Ludlum Measurements, Inc.

  • Page 49: Revision History

    EVISION ISTORY This section of the manual will be updated with each revision of theModel 3277/1 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 51: Software Change History

    OFTWARE HANGE ISTORY This section of the manual is for noting the changes in the software for the Model 3277 series of instruments. Version 1.10.6: Added language setting in General Settings with English and French as op- tions. Version 1.10.5: Fixed inconsistencies between 1.10.4 released versions. Version 1.10.4: User can now set certain calibration settings through the Model 3277 screen.

  • Page 53: 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.

  • Page 55: A Drawings

    RAWINGS Drawing Description Page 519 x 255M Frisker Mounting Options 519 x 429H M3277/1 Hole Template...

This manual is also suitable for:

48-4357