BM869s
45
_v61010-2-033:2019
PC-COMM 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-86X is required to connect the
meter to PC computers.
MAX/MIN/AVG recording mode
Press REC button momentarily to activate MAX/MIN/AVG
recording mode. The LCD “R” &
“MAX MIN AVG” turn on. 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 and AVG readings in sequence. Press the button for 1
second or more to exit MAX/MIN/AVG recording mode.
*Note:
When activated, nominal measurement speed and manual/auto-ranging selection remains,
and Auto-Power-Off is disabled automatically. Main display readings are used for
MAX/MIN Comparison and AVG calculation. Secondary display is the accompanied
significant readings where available. In 500,000 count mode, lower resolution 50,000
count mode will be used instead.
1ms CREST capture mode
Press CREST button momentarily to activate CREST (Instantaneous Peak-Hold) mode to
capture voltage or current signal duration as short as 1ms. It is available to main display
5000uA, 500mA, 10A and voltage function ranges.
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 and MIN readings in sequence. Press the button for 1
second or more to exit CREST mode. Voltage manual/auto-ranging (up range) remains,
and Auto-Power-Off is disabled automatically in this mode.
Backlighted display
Press the SELECT button for 1 second or more to toggle the LCD backlight. The backlight
will also be turned off automatically after approximate 32 seconds to extend battery life.
500000 count mode
Press the 500000 (
) button for 1 second or more to toggle the 50000/500000 count
mode. It is available to single display DC Voltage function ranges. Measuring speed is
reduced to 1.25 times per second.
Beep-Jack
™ Input Warning
The meter beeps as well as displays “InEr” to warn the user against possible damage to
the meter due to improper connections to the
A, mA, or A input jacks when other function
(like voltage function) is selected.
Hold
The hold feature freezes the display for later view. Press the HOLD button momentarily to
toggle the hold feature.