Elma BM 251s-257s
side 42
Note: Be sure to insert the banana plug K-type temperature bead probe Bkp60 with correct
polarities. You can also use a plug adapter Bkb32 (Optional purchase) with banana
pins to K-type socket to adapt other standard K type mini plug temperature probes.
A, mA, and A Current functions
Press
SELECT
button momentarily to toggle between DC and AC
.
Last selection will be
saved as power up default for repeat measurement convenience.
*Note:
When measuring a 3-phase system, special attention should be taken to the
phase-to-phase voltage which is significantly higher than the phase-to-earth voltage. To
avoid exceeding the voltage rating of the protection fuse(s) accidentally, always consider
the phase-to-phase voltage as the working voltage for the protection fuse(s).
Electric Field EF-Detection
At Volt or Current function, press the EF button for one second or more and release to
toggle to EF-Detection feature. T
he meter displays “E.F.” when it is ready. Signal strength
is indicated as a series of bar-graph segments on the display plus variable beep tones.
