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

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438-II
Users Manual
4
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