Detector radiatii,contor geiger,dozimetru, Tub Geiger Muller SBM-20 este NOU

Renumitul tub,senzor Geiger Muller SBM-20(STS-5) pentru dozimetre,detectoare radiatii-gamma si beta-particule, luand în considerare si razele X (foarte sensibil,foarte apreciat datorita calitatilor pe care le are,de catre cunoscatori) Ideal pentru cei care  vor sa-si faca un detector de radiatii. Sunt noi si binenteles in stare perfecta de functionare. Au fost incercate personal si de catre mine.Pretul minim cu transportul inclus 130ron.  NU LICITA INAINTE DE A INTREBA DACA MAI SUNT PE STOC (sunt puse la vanzare si pe alte sit-uri si posibil sa fie vandute) DAU NEGATIV. Datele tehnice mai jos.  NU ACCEPT PLATA IN CONT BANCAR,CU CARDUL...

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)