Model 8564 digital humidity/temperature meter fromKernco Instruments Co., Inc.(El Paso, TX) is designed to give direct reading of 10% to 95% rh and temperatures from 0 degrees to 60 degrees C on a 1/2-in. LCD. Accuracy is plus or minus 2% plus or minus 1 digit for rh and plus or minus 1% plus or minus digit for temperature. One key feature is the measurement of rh without wet sticks and comparison tables.