Products > Test Equipment
E36300 Series Programmable DC Power Supplies (E36311A, E36312A, E36313A)
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nctnico:

--- Quote from: thanasisk on May 01, 2020, 02:24:12 pm ---Hi, is the (transformer?) hum normal? It appears as soon as the device gets plugged in.

--- End quote ---
My unit also likes to hum.
rsjsouza:
It is certainly part of the advanced pre-heating circuit that keeps the backlight always on |O

(My only real pet peeve with this otherwise marvelous bit of kit)
TheSteve:
Mine is always silent except if I run a heat gun on the same circuit. I get the same buzz/hum on some other HPAK supplies as well with the heat gun.
Fred27:
It doesn't just hum when plugged in, it draws about 10W on standby. It really does need a proper physical power switch.
dl1640:
Have 12A, ch2 and ch3 can track with each other, but can't figure out how to configure dual channel with +/- output.
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