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6 months ago
Kidde RF-SM-DC Test 01
I just bought some Kidde RF-SM-DC smoke detectors today (for collection) and tested them out.
jshell757
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7 months ago
Inventor of the home battery powered ionization smoke detector, Duane D. Pearsall
This is a documentary of Duane D. Pearsall's private collection of early home battery powered ionization smoke detectors. In 1963, Pearsall's acci...
jshell757
commented:
Very sorry for the loss of your father. Here is a serious question, ay any time, did your father, or any member of your fathers company ever test or question how effective ionization alarms are to "Cold Smoke" smoldering fires? Was any reasearch done? In 1980, did he react to the 1980 home Smo...
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Yes, they do make photo alarms. But the ones shown are not. All they have is a basic 120V or 9V Photo alarm. The Wireless ones, Escape light ones, and the others are all ion.