Sensor semiconductor PMD-1
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- Country of manufactureBelarus
DMP-semiconductor sensor 1 is intended for use in highly sensitive indicator gas analyzing devices and serves to detect flammable gases.
FEATURES
The operating principle of the sensor is based on the increase in the semiconductor conductivity ceramic which is at a temperature of 400 - 450 of C in the presence of reducing gases.
Minimum size sensing element allows to have a low power (less than 170 mW) and high resistance to mechanical stresses.
The original structure (the platinum heater bypass semiconductor ceramics) highly inhibit the analyzed environmental temperature effects on the sensor output signal and provides protection from the gas sensor overload.
The shell of the porous titanium allows for a degree of protection ExdllCU sensor.
When power is stabilized current sensor output signal (Vout) is formed from the difference of the voltage drop on the sensor in clean air (Ub) and a gaseous medium (Ur).
