NEMOTO Ion Type Smoke Sensor - NIS-02C

Supply voltage: Less than DC6 - 12V
Output current: 7 ± 2pA
Ambient Temp.: 0 - 50℃
Ambient humidity: Less than 95% RH
Nuclide: Americium241, 7.4KBq
Output in clean air: 5.6 ± 0.5V When 9V is supplied

  • Model Number: NIS-02C
  • Data Sheet: Date Sheet File
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  • NEMOTO Ion Type Smoke Sensor
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Product Specification

NIS-02C is the newest version of our ionization smoke chamber containing a radioisotope 241Am as well. However the radioactivity is less than 10 KBq that is the border line stipulated in BSS (Basic Safety Standard) issued by IAEA (International Atomic Energy Association), therefore this sensor does not need to be treated as a radioactive product. Thus no restriction is applied on its storage, usage, and disposal. This NAP-02C is designed to have complete compatibility with NIS-09C in its dimensions, appearance, and smoke sensitivity for users’ easy replacement of the smoke chamber currently used.

* Rating



Supply voltage

Less than DC6 - 12V

Output current

7 ± 2pA


Americium241, 7.4KBq

Ambient Temp.

0 - 50℃

Ambient humidity

Less than 95% RH

* Characteristics

Output in clean air

5.6 ± 0.5V

When 9V is supplied

Sensitivity, cotton 

thread, 2%/foot

0.7 ± 0.2V

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