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HomeTechnical Associates TBM-3S Radiation Detector

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Technical Associates TBM-3S Radiation Detector

$400.00

20 in stock

SKU: 5.46208E+11 Vendor: CHP Consultants
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Manufactured by Technical Associates. Contains internal GM detector.

Refurbished in great condition.
Similar to a Ludlum Model 3 with a 44-9 pancake probe, but with these units, you are buying the ratemeter with the internal detector.

From the manufacturer, technical specs:

”
FEATURES:

  • SENSITIVE TO ALPHA, BETA & GAMMA
  • ONE HAND OPERATION
  • BUILT-IN SPEAKER
  • ANTI SATURATION CIRCUIT
  • LARGE 2” PANCAKE DETECTOR
  • BETA SHIELD/WINDOW PROTECTION (TBM-3SR Only)


DESCRIPTION: Small three range Ratemeter with built -in 2” diameter pancake tube and speaker. Reads out in counts per minute (and mR/h). Thin window recessed and protected by sturdy grill. TBM-3SR has sliding methacrylate beta shield which also acts as additional protection for thin GM tube window. Instrument will see alpha, beta, and gamma radiation. Anti saturation circuit will not fall below full scale high fields. Tested to100 R/h.

APPLICATION: Its small size, light weight, one hand operation, and large detector area make this a very useful monitor for surveying bench tops or checking hands, clothes, and fingertips for almost any radioactive contamination. Excellent for Fire Department, Ambulance, Police, First Response, and U.S. Custom Personnel use for surveying people, cars, luggage, surface of rooms, etc…

SPECIFICATIONS:

  • Meter:
        TBM-3: 2-1/2” Rectangle.
        TBM-3S & TBM-3SR: 2-1/2” Ruggedized.
  • Ranges: 3 ranges, linear: 0-500; 0-5,000; 0-50,000 cpm (0-;15; 1.5; 15 mR/h).*
  • Switch Positions: Off, Battery Test, X100, X10, X1.
  • Audio:
        TBM-3: internally mounted speaker.
        TBM-3s & TBM-3SR: Sonalert with Volume Control.
  • Detector: T-1190 “pancake GM tube”.
  • Diameter: 2”; 5cm.
  • Window Diameter: 1-3/4”; 4.5 cm.
  • Window Thickness: 1.5 mg/cm2.
  • Quench Gas: Halogen for long life.
  • Background: Typical 50 cpm. Thin Profile of tube (13mm) gives low background.
  • Efficiency: 100% for all Betas and Alphas that have the energy to penetrate the thin window. Gamma sensitivity nominal is 3 cpm/µ R/h (based on Cs 137).
  • Physical dimensions:
        3” Wide x 5-1/4” Long x 2-1/4” High. Excluding meter and handle.
        (7.6 cm x 13.3 cm x 6 cm)
  • Beta Shield: TBM-3SR Model Only. Methacrylate 0.125”, 3.1 mm.
  • Calibration: Single master calibration pot as well as individual cal pots for each range.
  • Power: 9 volt “transistor” battery; Eveready 1222, or equivalent.
  • Battery Life: 100 hours in normal operation.
  • Handle:
        Swivel type, polished anodized aluminum.
        (Optional Detachable Handle TBM-3SR(DL) Upon Request.)
  • Weight: 22 oz; 625 gm”

**For store use only,

Barcodes:9021623-902168&9021696-9021714**

Additional information

Weight 7 lbs

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