Hioki BT3564, Instruction Manual, Page: 61 / 210

4.1 Comparator Function
55
4
Chapt
er
4
Appl
ie
d Measur
ement
Resistance and voltage measurements are judged independently. Both judg-
ment results are indicated on the display.
Judgment Operation
The comparator compares measured values with the preset threshold values,
and judges whether the measurement is within the thresholds. Resistance and
voltage measurements are judged independently.
The absolute value of the measurement is compared to the upper and lower
thresholds.
When the absolute value judgment function is on, the absolute value of the mea-
sured value is compared to the upper and lower thresholds.
Measurement fault values are judged as follows:
PASS/FAIL
Judgment Output
Judgment results (Hi, IN or Lo for both resistance and voltage) are output to EXT
I/O connectors.
Additionally, the instrument can generate PASS/FAIL judgment output to facili-
tate easy judgments. In this configuration, it outputs a PASS judgment when the
resistance and voltage are both IN and otherwise a FAIL judgment.
See " Output Signals" (

p.78).
Comparator Judgment Results
Upper threshold value < Measured value
Lower threshold value


Measured value


Upper threshold value
Measured value < Lower threshold value

Resistance
V : Measurement
Display Judgment
- - - - -
No judgment
OF
Hi (exceeds the upper threshold)
-OF
Lo (less than the lower threshold)
With the relative value comparison method (thresholds defined by a reference
value and tolerance), the upper and lower thresholds are calculated internally for
comparison with measurements. Therefore, even if a relative display value is
equal to a judgment threshold (tolerance limit), it may be judged Hi or Lo.
HIOKI BT3564A961-02