Tested Sbm-20u Geiger -muller Tube Counter Sts-5 Nos Sbm20 U

US $250

Worldwide shipping, Ukraine
Feb 14th

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Description TESTED SBM-20 GEIGER -MULLER TUBE COUNTER NOS New,old stock Quantity: 1 counter Technical characteristics: Minimum Anode Resistor 1.0 (MOhm) Recommended Anode Resistor 5.1(MOhm) Recommended Operating Voltage 400V Operating Voltage Range 350 – 475V Initial voltage 260 – 320V Plateau length at least 100 V Maximum Plateau Slope (%/100 volts) 10 Minimum Dead Time (at U=400V, micro sec) 190 Working range (mkR/s) 0.004 - 40 Working range (mR/h) 0.014 - 144 Gamma Sensitivity Ra226 (cps/mR/hr) 29 Gamma Sensitivity Co60 (cps/mR/hr) 22 Inherent counter background (cps) 1 Tube Capacitance (pf) 4.2 Life (pulses) at least 2*1010 Weight (grams) 9 Gas Filling Ne + Br2 + Ar Cathode Material Stainless Steel, 50 mkm Maximum Length 101 mm Effective Length 83.5 mm Maximum Diameter 11 mm Effective Diameter 10 mm Connector Pin Operating Temperature Range from -60 to +70 C Areal Density 40(mg/cm2) Thickness 0.05 (mm) PAYMENT POLICY We only accept Paypal, please don't bid if you don't have a Paypal account.It's the safest and fastest way to pay! Payment must be received within 7 days after auction end, if you unable to pay within this time frame for any reasons please notify us as soon as possible! SHIPPING INFORMATION The items will be carefully packed and shipped from Europe by International Air Mail (have tracking number or not, like you select). The normal delivery time will be 7-15 business days. But sometimes time of delivery can be up to 30 days due to unknown for us reasons. So if you don't received anything please contact us only in 15 days after receipt of the notification about sending. We will send our items within 48 hours (except holidays) after your payment has been received and cleared. Combined shipping discount is available for each additional item, also we have sales and give the discounts to our regular buyers! WORLDWIDE SHIPPING! RETURN POLICY Items may be returned (if you are not 100% satisfied) within 14 days after the buyer receives it. Refund will be given as money back.The buyer is responsible for shipping cost. Don't forget to leave POSITIVE FEEDBACKS! It's very important for us, so please email us before leaving any negative feedbacks or open any dispute on Paypal and we'll try out best to solve the problems.

Condition:	New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is applicable). Packaging should be the same as what is found in a retail store, unless the item is handmade or was packaged by the manufacturer in non-retail packaging, such as an unprinted box or plastic bag. See the seller's listing for full details. ...	Country/Region of Manufacture	Ukraine
Model	SBM20U
Country of Manufacture	Ukraine