National Instruments DAQMeter DAQCard-4050 User Manual
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Contents
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Appendix A SpecificationsDAQMeter DAQCard-4050 User ManualA-4 ©National Instruments CorporationDiodeAccuracyGeneral SpecificationsSettling time....................................... Determined by sourceimpedance, user cableconstruction, and input signalchangesWarm-up time .................................... 30 seconds before makingmeasurements; 15 minutes formeasurements accurate withintypical specificationsBus interface type .............................. SlaveSafety .....................................................Designed in accordance withIEC 1010-1 and UL 3111 formeasuring and testing equipment;Installation Category IIPollution Degree 2Double InsulatedIndoor useAltitude .............................................. For use up to 2,000 mMaximum working voltagebetween either input terminaland earth ground ................................ 250 V maxPower requirement ................................+5 VDC45 mA in operational mode15 mA in power-down modeRange Accuracy±(% of reading +% of range)TemperatureCoefficient±(ppm of reading+ ppm of range)Overrange TestCurrent2 V 0.01% + 0.01% 10 ppm + 10 ppm 2.2 V 100 μA |
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