12
PC computer interface capabilities
The instrument equips with an optical isolated interface port at the meter back for data
communication. Optional purchase PC USB interface kit BU-82X is required to connect the
meter to the PC computer.
MAX/MIN/AVG* (REC) at fast 20/s measurement mode (525*, 521*, 829, 827 only)
Press
REC
button momentarily to activate MAX/MIN/AVG* recording mode. The LCD “R” &
“MAX MIN AVG*”
turn on, and the reading update rate will be increased to 20/second. The
meter beeps when new MAX (maximum) or MIN (minimum) reading is updated. AVG*
(Average) reading is calculated over time. Press the button momentarily to read the MAX,
MIN, MAX-MIN and AVG* readings in sequence. Press the button for 1 second or more to
exit MAX/MIN/AVG* recording mode. Auto-ranging remains, and Auto-Power-Off is disabled
automatically in this mode. *AVG reading is not available to models 525 & 521.
1ms CREST
capture mode (525, 521, 829, 827 only)
Press
CREST
button momentarily to activate CREST (Instantaneous Peak-Hold) mode to
capture voltage or current signal duration as short as 1ms. The LCD “C” & “MAX”
turn on.
The meter beeps when new MAX (maximum) or MIN (minimum) reading is updated. Press
the button momentarily to read the MAX , MIN, and MAX-MIN (Vp-p) readings in sequence.
Press the button for 1 second or more to exit CREST mode. Auto-ranging (up range)
remains, and Auto-Power-Off is disabled automatically in this mode.
Backlighted display (525, 521, 829 only)
Press the
SELECT
button for 1 second or more to toggle the LCD backlight. The backlight
will also be turned off automatically after 32 seconds to extend battery life.
