Quiet Electronics Moderated Newsgroup For The Electronic Professionals and Other Professionals > Massachusetts
> Ludlum survey geiger meter model 3 gamma probe 44-9
Ludlum survey geiger meter model 3 gamma probe 44-9
Ludlum Survey Geiger Meter Model 3w/ Ludlum Alpha Beta Gamma Probe Model 44-3
* Utilizes G-M or Scintillation Detectors
* Typical Counting Range from 0-200mR/hr or 0-500,000cpm
* Greater than 2000 hour battery life
Detailed information and specs on both the meter and the probe may be found at the manufacturers website.
INDICATED USE: General purpose survey
COMPATIBLE DETECTORS: G-M, scintillation
METER DIAL: 0 - 2 mR/hr, or 0 - 5k cpm, BAT TEST (others available)
MULTIPLIERS: X0.1, X1, X10,X100
LINEARITY: Reading within ±10% of true value with detector connected
CONNECTOR: Series "C" (others available)
AUDIO: Built in unimorph speaker with ON/OFF switch (greater than 60 dB at 2 feet)
CALIBRATION CONTROLS: Accessible from front of instrument (protective cover provided)
HIGH VOLTAGE: Adjustable from 200 - 1500 volts
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: 2 each "D" cell batteries (housed in sealed compartment that is externally accessible)
BATTERY LIFE: Typically greater than 2000 hours with alkaline batteries (battery condition can be checked on meter)
METER: 2.5" (6.4 cm) arc, 1 mA analog type
CONSTRUCTION: Cast 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: 6.5" (16.5 cm)H X 3.5" (8.9 cm)W X 8.5" (21.6 cm)L
WEIGHT: 3.5 lbs. (1.6 kg) including batteries
The Model 44-9 is a G-M that can be used with several different instruments including survey meters, scalers, ratemeters, and alarm ratemeters
INDICATED USE: Alpha beta gamma survey; Frisking
DETECTOR: Pancake type halogen quenched G-M
WINDOW: 1.7 plus or minus 0.3 mg/cm² mica
EFFICIENCY (4pi geometry): Typically 5%-C-14; 22%-Sr-90/Y-90; 19%-Tc-99; 32%-P-32; 15%-Pu-239
SENSITIVITY: Typically 3300 cpm/mR/hr (Cs-137 gamma )
ENERGY RESPONSE: Energy dependent
DEAD TIME: Typically 80 microseconds
COMPATIBLE INSTRUMENTS: General purpose survey meters, ratemeters, and scalers
CONNECTOR: Series "C" CONSTRUCTION: Aluminum housing 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: 1.8" (4.6 cm)H X 2.7" (6.9 cm)W X 10.7" (27.2 cm)L
IN EXCELLENT LIKE NEW WORKING CONDITION!
This unit powers up and is in very good cosmetic condition. I am unable to test for accuracy.
Alpha Equipment LLC., Broker, Wallkill, NY
Please email ****@frontiernet.net with any questions
This item is sold without warranty expressed or implied
Thank you for viewing our listing and feel free to contact us for any of your specific medical or laboratory equipment needs.
