sensorNegativeHysteresisString 1.3.6.1.4.1.2011.2.235.1.1.13.50.1.14

Negative-going Threshold Hysteresis Value. This value is added to negative going thresholds to determine the point where the asserted status for that threshold will clear. Set to 'na' if sensor does not support negative-going threshold hysteresis.