精密磁性元件分析仪WK3260B 二手仪器PMA3260A

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Precision Magnetics Analyzer - 3260B Wide frequency range of 20 Hz to 3 MHz Fast measurement speed - up to 20measurements per second 0.1% basic accuracy Up to 125 A of DC bias current Telecom measurement functions Analysis mode with graphical displays Comprehensive measurement functionsincluding leakage tests Straightforward intuitive operation Print test results GPIB control with LabVIEW? driverCompletely characterize componentsgraphicallyAt the design stage of component development it is vitallyimportant to understand how the component performs underdifferent operating conditions. This might include operation atperse frequencies, AC drive levels or DC bias currents.The 3260B Precision Magnetics Analyzer can plot any of themeasurement functions, such as inductance (L) or impedance(Z), (including secondary term) against frequency, AC drivelevel or DC bias current.Frequency sweeps within the range 20 Hz to 3 MHz can beselected. There is a choice of either linear or logarithmicfrequency displays.3260B is especially suitable for measuring parameters ontelecom transformers.The selected parameter and its secondary value arepresented graphically. AC drive levels can be set between 1 mV and 10 V. DC bias current can be set from1 mA to 1 A internally. Using external 3265B 25 A DCBias Units bias currents can be set to a maximum of 125A.Measure Insertion Loss and Return Loss ontelecom transformersWith the dramatic growth of PCs connected to the telephone system for Internet access has come the requirement to measure Insertion Loss (IL) and Return Loss (RL) of line matching transformers. The 3260B Precision Magnetics Analyzer not only measures IL and RL but the instrument also allows the user to enter the values for terminating resistance or impedance, if complex, and to select a damped network or blocking capacitor if required.Specification summaryMeasurement functions Z, ?, L, C, Rac, Rdc, Q, DTurns ratioPrimary and secondaryleakage inductanceInterwinding capacitanceResonant frequencyFrequency range 20 Hz to 3 MHzBasic accuracy 0.1%Modes Analysis (graphing)TelecomMulti FrequencySequenceDC bias current 1 mA to 1 A (internal)To 125 A (using five 3265BDC Bias Units)Interface GPIBMeasurement speed Up to 20 measurements/secPrinted output of test resultsUsing the parallel Centronics interface the user can directly print test results including graphs for further analysis and archiving. In addition, via the GPIB interface, the instrument can be controlled from a PC and results can be read back for analysisand storage. LabVIEW? drivers are available on request or via our website,Bin sortThe bin sort function allows component manufacturers to sort components in up to ten bins. Sorting is carried out either by absolute values or by percentage of values.Component tests with up to 125 A DC biascurrentTo evaluate components at high currents up to 125 A the optional 3265B DC Bias Unit is used. 25 A of DC bias current can be set in steps of 0.025 A with one unit whilst up to five units can be used in parallel to give up to 125 A DC bias current. The standard 3260B Precision Magnetics Analyzer can provide an internal DC bias from 1mA to 1 A.The 3265B has a number of safety and protection features including a safety interlock system to protect the user against back EMFs. It is also fully protected against overtemperature, excess voltage drop and sense lead failure. 3265B DC Bias Unit can deliver up to   25 A of DC bias current in steps of 0.025 ASMD i