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Specifications
5
664 to 600 V Overvoltage Category IV. UL listed to UL61010-1. Licensed by TÜV to EN61010-1.
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 2. 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
± (0.7 % + 4)
± (0.7 % + 2)
± (2.0 % + 4)
± (2.0 % + 20)
600.0 mV
6.000 V
60.00 V
600.0 V
0.1 mV
0.001 V
0.01 V
0.1 V
± (2.0 % + 4)
3
unspecified
1000 V 1 V
± (1.0 % + 4)
unspecified unspecified
K
2,4
Low pass filter ± (0.7 % + 2) ± (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.
Table 3. Models 83 and 88 AC Voltage Function Specifications
Function Range Resolution Accuracy
50 Hz - 60 Hz 30 Hz - 1 kHz 1 kHz - 5 kHz
K
1
600.0 mV
6.000 V
60.00 V
600.0 V
1000 V
0.1 mV
0.001 V
0.01 V
0.1 V
1 V
± (0.5 % + 4)
± (0.5 % + 2)
± (0.5 % + 2)
± (0.5 % + 2)
± (0.5 % + 2)
± (1.0 % + 4)
± (1.0 % + 4)
± (1.0 % + 4)
± (1.0 % + 4)
± (1.0 % + 4)
± (2.0 % + 4)
± (2.0 % + 4)
± (2.0 % + 4)
± (2.0 % + 4)
2
unspecified
1. Below a reading of 200 counts, add 10 counts.
2. Frequency range: 1 kHz to 2.5 kHz.
For models 83 and 88, ac conversions are ac-coupled and are average- responding, rms-indicating.