Keysight Technologies 85058E User's And Service Manual

Contents

2- 2 85058B/ESpecificationsEnvironmental RequirementsEnvironmental RequirementsTable 2-1 Environmental RequirementsParameter LimitsOperating temperatureaa. The temperature range over which the calibration standards maintain conformance to theirspecifications.+20 C to +26 C (+68 F to +79 F)Error-corrected temperature rangebb. The allowable network analyzer ambient temperature drift during measurement calibration andduring measurements when the network analyzer error correction is turned on. Also, the rangeover which the network analyzer maintains its specified performance while correction is turnedon.1 C of measurement calibration temperatureStorage temperature 40 C to +75 C (40 F to +167 F)Relative humidity Type tested, 0% to 95% at 40C, non-condensingTemperature—What to Watch Out ForChanges in temperature can affect electrical characteristics. Therefore, the operatingtemperature is a critical factor in performance. During a measurement calibration, thetemperature of the calibration devices must be stable and within the range specified in Table2-1.IMPORTANT Avoid unnecessary handling of the devices during calibration because yourfingers are a heat source.Performance verification and measurements of devices under test need not be performedwithin the operating temperature range of the calibration devices, but they must be within theerror-corrected temperature of the network analyzer (±1 C of the measurement calibrationtemperature). For example, if the calibration is performed at +20 C, the error-correctedtemperature range is +19 C to +21 C. It is then appropriate to perform measurements andperformance verifications at +19 C, which is outside the operating temperature range of thecalibration devices, since only the actual calibration must be performed within the operatingtemperature range.