CONTADORES GEIGER

Equipo para detectar radiacion, el sensor puede ser un tubo Geiger o un Semiconductor

Algo Basico

como fuente de radiacion para probarlos te toca conseguirte un detector de humo que tiene una celda de americio por dentro.

otras opciones en MAKEMAGAZINE

1 esquematicos

2. esquematicos

3 esquematicos

4 esquematicos con aurdino

5. esquematicos

6. esquematicos

7.esquematicos

8.esquematicos

Hacer una Camara de iones

un kit

para telefonos celulares inteligentes y IPAD

 

por el momento especificaciones de los tubos Geiger, los puedes comprar en Ebay...de origen Ruso

TUBO GEIGER MULLER DE VIDRIO

Geiger Counter TUBE CI-3BG  10 pcs Tested 1987 year

Working range of Dose POWER 300R/h

Sensitivity to Gamma Radiation 188-282 Pulses/s/R/h

Working Current 0.015-0.02 mA

Plateau Length/ Inclination 80V/0.25%/V

Working Voltage 380-460V

Working Current 0.015-0.02 mA

Maximum registering range 300 Roentgen/hour

Length 55mm

Diameter 10mm


GENERAL SPECIFICATIONS

Parameters SBM-20 / SBM-20U

Gas Filling Ne + Br2 + Ar

Cathode Material Stainless Steel, 50 mkm

Maximum Length (mm) 108 / 101

Effective Length (mm) 91.0 / 83.5

Maximum Diameter (mm) 11

Effective Diameter (mm) 10

Connector Pin

Operating Temperature Range 0C -60 to +70

WALL SPECIFICATIONS

Parameters SBM-20 / SBM-20U

Areal Density (mg/cm2) 40

Thickness (mm) 0.05

ELECTRICAL SPECIFICATIONS

Parameters SBM-20 / SBM-20U

Minimum Anode Resistor (meg ohm) 1.0

Recommended Anode Resistor (meg ohm) circuit diagram 5.1

Recommended Operating Voltage (volts) 400

Operating Voltage Range (volts) 350 - 475

Initial voltage (volts) 260 - 320

Plateau length (volts) at least 100

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) 10 / 9



Working Voltage 360 - 440V
Initial Voltage 280 - 330V
Plateau Length 80V
Plateau Slope 0.125% / 1V
Innerent counter background (cps) 0.45 Pulses/sec
Pulse Sensitivity 24 Pulses/sec
Interelectrode Capacitance 7pF
Load Resistance 5 - 10 MOhms
Working Temperature Range -400 +500 ?
Length 110mm
Diameter 9mm
This device has a functional use today. It is well worth the money and will stay operational for many more years.
For the price you canít go wrong.
It is an interesting piece.
Highly recommende
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