Semiconductor transformer PP-1
Offer type: salePublished: 01.03.2015
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Semiconductor transformer PP-1 is designed for
convert the content of combustible gases in air in the output electric
signal.
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It is also used in highly sensitive hasindicated
devices designed to detect leaks of explosive gases from
gas, gas equipment, as well as in mines, underground structures,
dangerous in mine gas and/or dust.
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Is similar to the sensor of methane semiconductor
DMP-1.
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Plug the conclusions of the contact group quickly
to replace a failed Converter.
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The principle of operation of the semiconductor Converter
PP-1 is based on the increase in the conductivity of the semiconductor ceramics,
at a temperature of 400 -450°C in the presence of reducing gases.
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The minimum dimensions of the sensing element
Converter allow you to have low power consumption (no more than 170 mW) and
high resistance to mechanical loads.
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When the power Converter is stable current
the output signal (Uo) is formed due to the difference of the voltage drop across
the sensitive element in clean air (UB) and
gas (Ur): Uo=
UB-Ur
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Rudnitskij Vladimir L'vovich
