5) PRODUCT DESCRIPTION
1) Transformer clamp jaw to pick-up AC (ET-3120 and ET-3122) or AC/DC
(ET-3320) current.
2) Hand / Finger barrier to indicate the limits of safe access to the jaw during
current measurements.
3) Jaw trigger to open it.
4) D-H button (only ET-3320) used to freeze the reading.
5) Rotary switch to turn the power ON / OFF and range selection.
6) The buttons used to operate special functions & features:
D-H (ET-3120 and ET-3122): Button is used to freeze the reading.
M-H (ET-3120 and ET-3122): Button is used to freeze the maximum
reading.
SEL (ET-3320): Button is used to select between AC and DC current.
ZERO (ET-3320): The button is used to zeroing the residual current.
7) LCD Display.
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