Ludlum 3a + Probe Geiger Radiation Survey Meter Alarming Ratemeter .3.inv #me89, US $895.00 – Picture 0

Ludlum 3a + Probe Geiger Radiation Survey Meter Alarming Ratemeter .3.inv #me89, US $895.00 – Picture 1

Ludlum 3a + Probe Geiger Radiation Survey Meter Alarming Ratemeter .3.inv #me89, US $895.00 – Picture 2

Ludlum 3a + Probe Geiger Radiation Survey Meter Alarming Ratemeter .3.inv #me89, US $895.00 – Picture 3

Ludlum 3a + Probe Geiger Radiation Survey Meter Alarming Ratemeter .3.inv #me89, US $895.00 – Picture 4

Ludlum 3a + Probe Geiger Radiation Survey Meter Alarming Ratemeter .3.inv #me89, US $895.00 – Picture 5

Ludlum 3a + Probe Geiger Radiation Survey Meter Alarming Ratemeter .3.inv #me89, US $895.00 – Picture 6

Ludlum 3a + Probe Geiger Radiation Survey Meter Alarming Ratemeter .3.inv #me89, US $895.00 – Picture 7

Ludlum 3a + Probe Geiger Radiation Survey Meter Alarming Ratemeter .3.inv #me89, US $895.00 – Picture 8

Ludlum 3a + Probe Geiger Radiation Survey Meter Alarming Ratemeter .3.inv #me89, US $895.00 – Picture 9

Ludlum 3a + Probe Geiger Radiation Survey Meter Alarming Ratemeter .3.inv #me89

US $895.00

Poway, California, United States
Jan 30th

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Ludlum 3a* w/ Alpha Beta Gamma Ratemeter Hard Case Included! value $100+ Probe appears to be 44-2 or 44-3 (Model # unreadable) Tested with 1950's era bake ware and Uranium rock samples. Works as designed, readings accurate, sound functions, probe in good condition (scratched as shown), adjustment knobs work. Batteries not included for shipping. Shipped USPS/FedEx^ , packed well. PayPal only, please. Inventory #me89 ^sellers choice, you pay lower amount case has a couple of minor dents Model 3a General Information Model 3A Alarming Survey Meter Ludlum Measurements 4 Ranges Utilizes G-M, or Scintillation Detectors Typical Counting Range from 0 - 200 mR/hr, or 0 - 500,000 cpm Built-In Alarm PART NUMBER:48-1408 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) ALARM: Indicated by red lamp on front panel and audio going to constant tone (NOTE: The alarm circuit on the Model 3A is triggered by meter deflection) 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 THRESHOLD: 30 mV ± 10 mV 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 600 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 General Purpose Alarming Ratemeter - Model 3A Introduction Features Specifications Order Part Number Download Introduction This is identical to Ludlum's best selling, general purpose, Model 3 handheld analog ratemeter with the addition of an audible alarm. The 3A is likewise known for its accuracy and long-lasting dependability. The aluminum cast instrument housing with its separate battery compartment and accompanying metal handle offer an industrial robustness and quality that promote long-lasting protection and instrument life. The front-panel controls include a rotary switch for selecting the four-decade range, instrument shut-off, and battery test, an audio on/off switch, a fast/slow response switch, and a count reset button. The analog meter comes in a variety of measurement ranges and units to support the external radiation detector selected.

Condition	Seller refurbished : An item that has been restored to working order by the eBay seller or a third party not approved by the manufacturer. This means the item has been inspected, cleaned, and repaired to full working order and is in excellent condition. This item may or may not be in original packaging. See the seller’s listing for full details.
Seller Notes	“Tested with 1950's era bake ware and Uranium rock samples. Works as designed, excellent model (came from lab environment), readings accurate, sound functions, probe in good condition (scratched as shown), adjustment knobs work. Batteries not included for shipping.”