Fluke 438-II User Manual - Page 10
Motor Setup, Motor Analyzer, Other, Table 3. Motor Design Type and Characteristics Summary
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438-II Users Manual Motor Setup The motor nameplate provides information for the measurement algorithm. This information determines the mechanical parameters from the electrical signals that are used for measurements. It is critical that you enter the nameplate settings accurately to obtain accurate readings. To open the Motor Setup screen: 1. Push . The MENU screen opens. 2. Push to change the page view. 3. Use to move through the menu selections and highlight Motor Analyzer. 4. Push to open the Motor Setup screen. 5. Use to enter the motor nameplate parameters. The Motor Analyzer supports motor designs according to NEMA and IEC design types. See Table 3 and Table 4. If the design type is unknown, select Other. When set to Other, you must consider an additional error of +5 % for the mechanical motor parameters. Table 3. Motor Design Type and Characteristics Summary Motor Design NEMA-A NEMA-B NEMA-C NEMA-D NEMA-E IEC-H IEC-N Starting Current High Medium Medium Medium Medium Medium Medium Starting Torque Medium Medium High Very High Medium High Medium Breakdown Torque High Medium High Very High Medium High Medium 4