Technical Associates TBM-3S Radiation Detector

Description

TA TBM-3S Radiation Detector
Technical Associates TBM-3S with Internal GM Detector
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/cm
2
.
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"
We can offer 30 day unconditional warranty on these items and can consolidate shipping for all items in our store.
You never know what you might find in our surplus inventory.
Thanks!
**For store use only,
Barcodes:9021623-9021628&9021696-9021714**
Assumed Condition/Shipping Info:
Upon receiving these items, they should be fully functional according to the technical specs laid out in the manual.
30 day unconditional warranty.
Store category: Radiation Detector
We stand behind our eBay store. Check out
CHPSurplus here
for various miscellanous equipment at a low price.
Things to Keep in Mind
We offer 30 day unconditional warranty on all our items.
Due to the various nature of the items we sell through our store, we are only able to thoroughly test our items labeled as "Radiation Detectors" But we are more than willing, and often able, to perform specific tests on any item. Do not hesitate to ask.
We are easy to reach during regular business day hours.
We ship quickly and efficiently. If you do not see the shipping option you need upon checkout, do not hesitate to contact us
Local pickup is always available upon request if you are in the area.
We consolidate shipping in our store, so upon checkout contact us if you have more than one item from us, so we can give you a shipping discount.
If you are not satisfied with the item, please contact us soon so we can work out what need to happen to keep you satisfied.
About CHPSurplus
We are a small business located in Oak Ridge, TN that specilizes in health physics instruments. We use eBay to supplement our income with various equipment that we come across.
Contact us for more information. You never know what we may have in stock.