Description: Lowest relative humidity to which a device can be exposed without permanently restricting its operating behavior; Name: relative humidity (minimum)
Description: lowest relative humidity to which a device may be subject without permanent impairment of operating characteristics; Name: min. air humidity
Description: pump h(q) curve where the maximum head (peak point) and shut-off head are not coincidental, or the total head does not decline continuously as the rate of flow increases; Name: stable pump H(Q) curve