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Ludlum model 2221 scaler rate meter radiation detector


Article Sent By: joanna.harmon@machine--tools.com (Joanna Harmon)
Joanna Harmon is presenting: Ludlum model 2221 scaler rate meter radiation detector
* 6 Decade LCD Scaler with backlight
* Logarithmic and Linear Ratemeter with a Total Counting Range from 0- 500,000 cpm
COMPATIBLE DETECTORS: G-M, proportional, scintillation
CONNECTOR: Series "C" (others available)
AUDIO: Built in unimorph speaker with volume control (greater than 60 dB at 2 feet, full volume)
AUDIO DIVIDE: Thumb switch for 1, 10, or 100 events-per-click
AUDIO JACK: For optional headset
METER DIAL: 0 - 500 cpm; 50 - 500k cpm logarithmic scale (others available)
MULTIPLIERS: X1, X10, X100, X1k, and LOG for logarithmic scale
LINEARITY: Reading within plus or minus 10% of true value with detector connected
DIGITAL DISPLAY: 6 digit LCD display with 0.5" (1.3cm) digits
LCD BACKLIGHT: Activated by LAMP switch
DIGITAL RATEMETER: Provides a digital display of count rate when selector switch is in Dig. Rate position
SCALER: Used in conjunction with timer to allow for gross counting with range from 0 - 999999 counts when selector switch is in Scaler position (controlled by COUNT and HOLD buttons)
NOTE: Scaler and digital ratemeter are active when not selected, allowing for concurrent use
TIMER: Switch selectable divisions of 0.1, 0.5, 1, 2, 5, 10 minutes or CONT (continuous ) for manual timing
CALIBRATION CONTROLS: Accessible from front of instrument (protective cover provided)
HIGH VOLTAGE: Adjustable from 200 - 2400 volts (can be checked on display)
THRESHOLD: Adjustable from 100 - 1000 (can be checked on display)
WINDOW: Adjustable from 0 - 1000 above threshold setting (can be turned on or off)
GAIN: Adjustable from 1.5 - 100 mV at threshold setting of 100
OVERLOAD: Senses detector saturation. Indicated by "-" on LCD display and meter going to full scale (adjustable depending on detector selected)
RESPONSE: Toggle switch for FAST (4 seconds) or SLOW (22 seconds) from 10% to 90% of final reading
RESET: Push-button to zero meter
POWER: 4 each "D" cell batteries (housed in sealed compartment that is externally accessible)
BATTERY LIFE: Typically 250 hours with alkaline batteries (battery condition can be checked on digital display)
METER: 2.5"(6.4cm) arc, 1 mA analog type
CONSTRUCTION: Milled and drawn aluminum with beige polyurethane enamel paint
TEMPERATURE RANGE: -4° F(-20° C) to 122° F(50° C)
May be certified for operation from -40° F(-40° C) to 150° F(65° C)
SIZE: 9"(22.9cm)H X 4.3"(10.9cm)W X 10"(25cm)L including handle
WEIGHT: 5.5 lbs (2.5kg) including batteries
. Our Retail Store is located at 2060A George Washington Memorial Highway, Gloucester Point, Virginia 23062. We can be reached by phone at (***)-684-5410 or email at MARKITSOLDVA@AOL.COM .
warrantees and represents that the goods are as they are described in the above listing, We will accept returns of the goods only if they fail to meet the descriptions above.
entire Liability to you or any third party under any circumstance is limited to the sales price of the relevant goods and $100. Some states do so the above limitation or the exclusion may not apply to you.
warrantees and represents that the goods are as they are described in the above listing. We will accept returns of goods only if they fail to meet the descriptions above.
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Contact joanna.harmon@machine--tools.com (Joanna Harmon) for additional information. This email is used for forwarding to newsgroup user.




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