3.7 Displaying Measurement Results
40
• A high contact resistance or a high wiring resistance may cause an increase in
measurement errors.
Hioki cannot guarantee the measurement accuracy if the sum of contact resis-
tance and wiring resistance reaches 40 (4 for the 3 m and 30 m
ranges).
• The instrument may not detect measurement malfunctions if the measure-
ment lead has a capacitance of 1 nF or more.
Overflow is indicated by “OF” or “-OF” on the display, caused by one of the fol-
lowing:
BT3561A, BT3562A, BT3563A
Range SOURCE H-L SENSE H-L
3 m 5.5 6.5
30 m 5.5 6.5
300 m 15 30
3 150 30
30 1.5 k 150
300 6 k 2.5 k
3000 6 k 25 k
Overflow Display
Display Condition
OF
• The measured value exceeds the limit of the current
measurement range
• The test object impedance exceeds the input level.
• When the result of relative value calculation is larger
than +99.999%.
-OF
• The measured value is below the limit of the current
measurement range
• The test object impedance exceeds the input level (in
the negative direction).
• When the result of relative value calculation is smaller
than -99.999%.
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