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Radiometrics 2360 Alpha Beta

Ludlum 2360 Alpha Beta Logger

Item # 102010


INDICATED USE: Alpha, beta discrimination, and data logging
COMPATIBLE DETECTORS: Proportional and dual phosphor scintillation detectors
DATA LOGGER: Capable of logging up to 550 individual data points with the following identifiers for each point (All data is stored in non-volatile memory allowing batteries to be removed without loss of data)


  • alpha and beta sample counts
  • sample number
  • date/time stamp
  • scaler count time
  • 10 character location identifier

LOGGING PUSHBUTTON: Located in the handle; used to activate scaler and/or log a count
LOGGING FUNCTION CONTROL: Internal selection that enables the pushbutton to log the ratemeter reading, initiate a scaler count, and log the resulting reading, log both the scaler and ratemeter reading, or disables the logging function.
CALIBRATION DUE DATE: An internal date that disables the instrument if the required calibration interval has been missed
HEADER INFORMATION: Six lines of user defined memory at the beginning of the stack for storing user name, survey name, serial numbers, etc. (Information is dumped with logged data)
RS-232 PORT: Located on the can, this allows the instrument to be connected to a PC for dumping data, and setup parameters.
CONNECTOR: Series "C" (others available on request )
AUDIO: Built in unimorph speaker with volume control (greater than 60 dB at 2 feet, full volume )
AUDIO DIVIDE: Selectable dual or individual click-per-event for alpha and beta counts and divisions of 1, 10, 100, or 1000 events-per-click(beta channel only)
METER: 2.5"(6.4cm) arc, 1 mA analog type
METER DIAL: 0 - 500 cpm, 0 - 2 kV, BAT OK, OL(overload)
MULTIPLIERS: X1, X10, X100, X1000
LINEARITY: Reading within plus or minus 10% of true value with detector connected
SCALER: 6 digit LCD with 0.25" digits, overflow arrow, and colons to indicate when a count is in process
COUNT TIME: Switch selectable times of 0.1, 0.5, 1, 2, 5, 10, and 60 minutes, or PC to allow for a specific count time to be set from a PC.
SELECTOR SWITCH: Toggle switch to select alpha+beta, alpha only, or beta only
RESET/READ HV: A two position momentary action switch to allow for the meter to be reset or a reading of the HV setting.
HIGH VOLTAGE: Adjustable from 200 - 2000 volts (Can be read on the meter)
THRESHOLD: Internal control allows for adjustment from 2 - 15 mV for beta, and 40 - 700 mV for alpha
WINDOW: Internal control allows for adjustment from the beta threshold up to the alpha threshold setting (Beta only)
OVERLOAD: Senses detector saturation. Indicated by red lamp on meter and meter deflecting to full scale (Adjustable depending on detector selected)
RESPONSE: Will vary according to the number of counts present. Typically 2 - 11 seconds from 10% - 90% of final reading
POWER: 2 each "D" cell batteries (housed in sealed compartment that is accessible from front of instrument)
BATTERY LIFE: Greater than 150 hours (battery condition can be checked on meter )
CONSTRUCTION: Cast and drawn aluminum with beige polyurethane enamel paint
TEMPERATURE RANGE: -4° F(-20° C) to 122° F(50° C) 
SIZE: 6.5"(16.5cm)H X 3.5"(8.9cm)W X 8.5"(21.6cm)L
WEIGHT: 3.5 lbs (1.6kg) including batteries

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