3mm Infrared Transmitter LEDHigh reliability2.54mm lead spacingLow forward voltageGood spectral matching to Si photodetectorHigh radiant intensityPb freeThe product itself will
:Product descriptionhigh-quality soil sensors to detect soil moistureyou can control a wide range of soil moisture, the corresponding threshold adjustment
Packaging Bulk Part Status Obsolete Sensing Distance 0.047″ (1.2mm) Sensing Method Through-Beam Output Configuration NPN – Open Collector Mounting Type
PHOTOTRANSISTOR OPTICAL INTERRUPTER SWITCHDESCRIPTIONThe H21A1, H21A2 and H21A3 consist of a gallium arsenide infrared emitting diode coupled with a silicon phototransistor in a plastic
RELATIVE HUMIDITY SENSORFEATURESFull interchangeability with no calibration required in standard conditionsInstantaneous desaturation after long periods in saturation phaseCompatible with automatized
