Measurement Value Display - Hioki 3154 Instruction Manual

_____________________________________________________________________

4.4 Measurement Value Display

Tips for measurement value display
______________________________________________________________
When resistance range is set to auto range, range shifts
immediately after testing starts and only decimal point moves
and measurement value is not displayed on measurement
value display. To eliminate time for decimal point to move,
switch resistance range to manual range. (See 3.3 for setting.)
When using the test duration timer at auto range, testing will
finish without displaying a measurement value during a range
shift if the set time set has past. Please set the test duration
timer longer than 2 seconds (for 25 V or 50 V, 1.5 seconds)
when setting at auto range.
When set at auto range, measurement value fluctuates
between two resistance ranges. In this case switch resistance
range to manual range. (See 3.3 for setting.)
Display "O.F." indicates overflow. In auto range, "O.F." is
displayed when going over measurement range maximum
value and in manual range when over each range maximum
value.
Display "U.F." indicates underflow. In manual range,
excluding 2 MΩ range, "U.F." is displayed when going below
190 dgt. Does not display in auto range.
Insulation resistance is known to be unstable. This is not a
difficulty although measurement values may not be consistent
depending on the equipment to be tested.
When measurement values fluctuate and are unable to read,
set sampling rate to SLOW. (See 3.5)
Larger capacitance in equipment to be tested tends to result in
a wider range of measurement value fluctuations. See "Limit
determined by capacitance contained in equipment to be
measured" in Chapter 8.
33
Testing