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80 Series V
Users Manual
44
Detailed Specifications
For all detailed specifications:
Accuracy is given as ±([% of reading] + [number of least significant digits]) at 18° C to 28° C, with relative humidity up to
90 %, for a period of one year after calibration.
For Model 87 in the 4 ½-digit mode, multiply the number of least significant digits (counts) by 10. AC conversions are ac-
coupled and valid from 3 % to 100 % of range. Model 87 is true rms responding. AC crest factor can be up to 3 at full scale, 6
at half scale. For non-sinusoidal wave forms add -(2 % Rdg + 2 % full scale) typical, for a crest factor up to 3.
Table 10. Model 87 AC Voltage Function Specifications
Function Range Resolution Accuracy
45 – 65 Hz 30 – 200 Hz 200 – 440 Hz 440 Hz - 1 kHz 1 - 5 kHz 5 - 20 kHz
[1]
600.0 mV 0.1 mV
± (0.7 % + 4)
6.000 V 0.001 V
60.00 V 0.01 V
± (2.0 % + 4) ± (2.0 % + 20)
600.0 V 0.1 V
± (2.0 % + 4)
[3]
unspecified
1000 V 1 V
± (0.7 % + 2)
± (1.0 % + 4)
unspecified unspecified
K
[2,4]
Low pass filter
Same as
45-65 Hz
± (1.0 % + 4)
+1 % + 4
-6 % - 4
[5]
unspecified unspecified unspecified
[1] Below 10 % of range, add 12 counts.
[2] The Meter is a true rms responding meter. When the input leads are shorted together in the ac functions, the Meter may display a residual reading between
1 and 30 counts. A 30 count residual reading will cause only a 2-digit change for readings over 3 % of range. Using REL to offset this reading may produce
a much larger constant error in later measurements.
[3] Frequency range: 1 kHz to 2.5 kHz.
[4] A residual reading of up to 13 digits with leads shorted, will not affect stated accuracy above 3 % of range.
[5] Specification increases from -1% at 200 Hz to -6% at 440 Hz when filter is in use.
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