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With the KEH-721, a human hair sensor detects
expansions and contractions caused by changes
in relative humidity. These changes are transmitted
to a differential transformer and converted
to an electric voltage. A translator then
adjusts the voltage to a specified level
corresponding to the relative humidity to
create the KEH-721 output. The KEH-721 can
be connected to a recorder, printer, or the
like. |
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Measurement range | 0-100% |
Accuracy | ±5% |
Translator output | 100 mV & 1 V AC (4-20 mA also possible) |
Power source | 100 V AC |
Standard components | Sensor, translator (translator is optional) Note that a plug-in translator module is available when the translator is to be used for comprehensive measurements. |
Size/weight | Sensor: approx. 165 × 111 × 250 mm, 3 kg |