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New Ion Chamber Metal Geiger Fire Alarm Security System Source Smoke Detector Sensor Instruments and Apparatus
  • New Ion Chamber Metal Geiger Fire Alarm Security System Source Smoke Detector Sensor Instruments and Apparatus
  • New Ion Chamber Metal Geiger Fire Alarm Security System Source Smoke Detector Sensor Instruments and Apparatus
  • New Ion Chamber Metal Geiger Fire Alarm Security System Source Smoke Detector Sensor Instruments and Apparatus
  • New Ion Chamber Metal Geiger Fire Alarm Security System Source Smoke Detector Sensor Instruments and Apparatus
  • New Ion Chamber Metal Geiger Fire Alarm Security System Source Smoke Detector Sensor Instruments and Apparatus
  • New Ion Chamber Metal Geiger Fire Alarm Security System Source Smoke Detector Sensor Instruments and Apparatus

New Ion Chamber Metal Geiger Fire Alarm Security System Source Smoke Detector Sensor Instruments and Apparatus

  • $6.08
    5-9
    Pieces
  • $5.78
    10-19
    Pieces
  • $5.47
    20-49
    Pieces
  • $4.86
    ≥50
    Pieces
5 Piece/Pieces (Min. Order)
Quantity:

0 Piece,Product Price: US $ 0

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  • Product Description
Overview
Product Attributes
Brand Name:
Ootdty
Model Number:
Smoke Detector Sensor
Origin:
Cn(Origin)
Certification:
None
Brand Name:
OOTDTY
Place of Origin:
CN
Packaging & Delivery
Selling Units:
Piece/Pieces
Single package size:
40cm*30cm*20cm
Single gross weight:
1kg
Lead Time :
Quantity(Piece/Pieces) 1 ~ 1000>1000
Est. Time(days) 7To be negotiated

If you finish the payment today, your order will ship out within the delivery date.

Description:
This sensor contains tiny amount of Americium 241 isotope.
Americium emits alpha particles and weak gamma radiation, alpha particles completely blocked by the casing of the sensor, gamma radiation however freely passes through the casing but due to very low energy around 60 keV quickly absorbed by air (maximum run through air 15cm).
It is a great source for checking gamma only sensitive Geiger counters, if you have such type of counter it will be impossible to test it with other sources which emit beta particles only.
It could be used to test gamma spectrometers as well.
Add a nice "hot" piece to your collection which emits alpha and gamma radiation.
SBM-20 tube based Geiger counter indicates 140 Counts per minute from this source with gamma filter applied (approximately 80 uR/h or 0.8 uSv/h accordingly).

Specifications:
1) Ionization source characteristics and radiation safety performance:
2) The ionization chamber fitted with a high performance and low activity of Am-241 ionization
3) Ionization source activity: 0.5uCi ( 18KBq ) 0.8uCi±10% ( 30KBq±10% )
4) Ionization source a spectroscopy: peak: 4.5MeV ± 10%, FW HM<0.7MeV
5) Safety grading standards ( GB4075, IS02919 ) C64444
6) Ionization chamber radiation dose rate at 25cm: 0.03mGy/ ( 1mGy value lower than population dose standard )
7) Ionization chamber specification, parameter:
8) Conditions: outer electrode and the source electrode voltage ( VDD supply voltage ): 9V
9) Environment temperature: 20 + C: close to atmospheric pressure standard atmospheric pressure, clean air
10) Collecting electrode equilibrium potential: 5.3~6.5V
11) Collecting electrode potential with the smoke concentration change
12) Light reduction rate was 1% feet: 0.6V
13) Light reduction rate was 4% feet: 2.2V
14) Insulator leakage current ( Max ): 0.5Pa
16) Capacitor ( collection of extreme outer electrode + to the source base ): 6.0pF
Material: Metal
Color: Silver
Size: 27x15x37mm/0.8"x1.1"x0.5"

Package included:
1 x Smoke Detector Sensor


 

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