-5-
●
Maximum Operating Error
Operating error (B) is an error obtained within the rated
operating conditions, and calculated with the intrinsic
error (A), which is an error of the instrument used, and
the error (En) due to variations.
B=±(|A|+1.15√E
2
2
+E
3
2
+E
4
2
+E
5
2
)
A: Intrinsic error
E
2
: Variation due to changing the
supply voltage
E
3
: Variation due to changing the
temperature
E
4
: Variation due to series
interference voltage
E
5
: Variation due to resistance of
the probes and auxiliary earth
electrode resistance
●
Range to keep the maximum operating error
Measurement range within which the maximum
operating error (±30%) applies.
20Ω Range : 5 ~ 19.99Ω
200Ω Range : 20 ~ 199.9Ω
2000Ω Range : 200 ~ 1999Ω
