Seaward DO5000 Series - Manual (Page 22)

Operating Instructions Microhmmeter Type DO5000
17
Figure 4.4.1 Measurement screen with temperature compensation
4.5 Limits
Press [Lim] To select the Limits menu.
Two options are then available [Meas] which enables limits to be set with reference to the
measured values or [O/C] which enables the open circuit voltage to be limited to either 20mV
or 50 mV. Note: Open circuit limits are not available on 3K x 30K ranges.
Select [Meas] to select the measurement limits menu.
Select [Alm] to turn the audio alarm (Beeper) on or off.
Select [Max] to set the max or upper limit value press [Chg] and the screen will prompt you to
select the units m
Ω…Ω…kΩ. Select the required units and the display will ask for a new max
limit value to be entered. Use the numbered keypad to enter the required limit, press [OK] to
confirm.
Select [Min] to set Min or lower limit value, proceed as for setting max limit.
The Green Pass front panel LED will light when the measured value is correct and within the
set limits, the Red Fail LED will light and the warning beeper will sound if the measured value
is higher than the Max limit set or lower than the Min limit set. The DO5000 screen will also
display PASS or FAILED with >> to show value to high and << to show value to low.
Figure 4.5.1 Measurement screen with limits
To select the open circuit voltage limit from the [Lim] menu select [O/C] the option of selecting
either 20mV of 50mV limit is then available. The measurement display will indicate in the top
right hand corner which limit has been set.
AUTO1: 30m
: 10.0A (AVE)
Slow
+ 18.000 m
:
T= + 22.00
qC (Ext)
RX = 18.010 m
: (Cu)
Meas Cont
TC
AUTO1: 30m
: 10.0A (AVE)
Slow
+ 18.000 m
:
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Meas Cont