Tested Sbm-20 U Geiger -muller Tube Counter Sts-5 Nos Sbm20u (???-20?)

US $15.74

  • Ukraine, Ukraine
  • Jun 9th
 Description TESTED SBM-20U 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.

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