MD 9235 Clamp Meter Series
Operation
16
Auto Power Off Quick Test
Press-and-hold the
3W.4W
button while powering the meter on. The LCD displays
“
” & “
” to confirm activation right after the
3W.4W
button is released. Quick test
APO timing is 10 seconds after such activation.
Disabling Auto-Power-Off (APO)
Press-and-hold the
HOLD
button while powering the meter on. The LCD displays “
”
& “
” to confirm activation right after the
HOLD
button is released.
Line Frequency setup
Press-and-hold the
Hz
button while powering the meter on. LCD displays the last 50Hz
or 60 Hz setup. Press
SELECT
button momentarily to select 50Hz or 60Hz to cope with
your local line frequency. Press
Hz
button for one second to store your selection and
resume measurements. Incorrect line frequency setup will introduce errors to THD%.
PC computer interface capabilities
The instrument equips with an optical isolated data output port at the bottom case near
the battery compartment. Optional purchase PC interface kit AMD 9240 (including
Optical Adapter Back, Cable, USB-to-Serial adaptor & Bs software/driver CD) is
required to connect the meter to PC computer USB port. The Data Recording System
software equips with a digital meter, an analog meter, a comparator meter, and a Data
Graphical recorder. Refer to the README file comes with the interface kit for further
details.
