Model 2221 Scaler/Ratemeter SCA | |||||||||||||||||||||||||||||||
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PART NUMBER:48-2065 |
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INDICATED USE: Field analysis 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 |
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Common Meter Dials |
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