A/RH3-20K-O | 122777. Relative Humidity, RH Outputs: 0-5, 0-10 VDC & 4-20mA (Def SKU: A/RH3-20K-O Parent Item Parent Item - Additional Cost Has Item Option Details A/RH3-20K-O | 122777. Relative Humidity, RH Outputs: 0-5, 0-10 VDC & 4-20mA (Default), Outside Air, ± 3% Accuracy, 20,000 Ohm Thermistor, Euro Enclosu... Documentation Data Sheet DetailsDocumentationBackA/RH3-20K-O | 122777. Relative Humidity, RH Outputs: 0-5, 0-10 VDC & 4-20mA (Default), Outside Air, ± 3% Accuracy, 20,000 Ohm Thermistor, Euro EnclosureBack Data Sheet