Add to Cart ACI A/RH2-20K-O ACI MSRP: Now: $167.79 Was: Relative Humidity, RH Outputs: 0-5, 0-10 VDC & 4-20mA (Default), Outside Air, ± 2% Accuracy, 20,000 Ohm Thermistor, Euro Enclosure A/RH2-20K-O