10
OK
Instrument Control
Initial setup
It is important to setup the Real Time Clock (RTC) on models
MIT525, MIT1025 and MIT1525 to ensure that records saved
in the instrument are time/date stamped correctly. The MIT515
does not require time/date setting. The RTC has a separate
battery to maintain settings even when the primary battery is
removed.
To set the clock and date,
select the settings
function on the central
rotary switch and turn the
mode rotary switch to IR.
Navigate using the
left/right arrows to where
the time and date is displayed.
Set the time using the up and down arrows. Change the hours
and minutes then press OK to save.
Select the day/month format required, i.e. d:m for day:month
or m:d for month:day and press the right arrow button, then set
the date and press OK to save. A tick on the left of the display
indicates that a setting is saved, a cross is displayed during
adjustment indicates that it is not set. Exit settings by changing
the central rotary switch to a different position.
OK
Lock Voltage
The user selectable ‘lock’ voltage range is set by adjusting the
displayed voltage using the up and down arrow buttons. When
the desired voltage is displayed, it is saved, by pressing the
OK button. The setting does not change even if the instrument
is switched off.
Alarm setting
A low resistance alarm sounds when the resistance level of an
insulator reaches the alarm, assuming alarm has been
activated. The default alarm setting is 500 k
Ω
and
inactive
(X
is displayed on the right of the display). Set central and mode
rotary switches to the settings and IR positions respectively.
Press the right arrow button once. The low resistance alarm
can be set at the default value by simply pressing the OK
button, or changed to a different alarm resistance level using
the up/down arrow buttons and save it by pressing OK.
Recording temperature
The MIT525 and MIT1025 are able to record insulation
temperature measured by an
independent
thermometer. If you
do not wish to record temperature do not change the default
setting or reset it if it was previously set.
Move the central rotary switch to point to settings and press
the right/left arrow buttons until ‘tº ---‘ is displayed. The default
setting is no temperature record. This can be changed by
pressing up or down arrows to select either ºF or ºC
temperature entry. Pressing OK will confirm the setting and
result in a prompt for temperature to be entered whenever the
save button is pressed after completing any test. Up and down
arrows facilitate temperature entry in 1 ºC increments /
decrements.
OK
