Fluke 189 user manual Detailed Accuracy Specifications

Models: 189

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Specifications

7

Detailed Accuracy Specifications

Detailed Accuracy Specifications

Accuracy is specified for a period of one year after calibration, at 18 ° C to 28 ° C (64 ° F to 82 ° F), with relative humidity to 90 %. Accuracy specifications are given as:

±( [ % of reading ] + [ number of least significant digits ] )

AC mV, AC V, AC µA, AC mA, and AC A specifications are ac coupled, true rms and are valid from 5 % of range to 100 % of range. AC crest factor can be up to 3.0 at full-scale, 6.0 at half-scale except the 3000 mV and 1000 V ranges where it is 1.5 at full scale, 3.0 at half-scale.

Function

Range

Resolution

45 Hz-1 kHz

20-45 Hz

Accuracy

1 kHz-10 kHz 10 kHz-20 kHz 20 kHz-100 kHz

AC mV 1, 2

AC V 1, 2

dBV

50.000 mV

500.00mV

3000.0 mV

5.0000 V

50.000 V

500.00V

1000.0 V

52 to 6

6 to +34

+34 to +60

0.001 mV

0.01mV

0.1mV

0.0001 V

0.001 V

0.01V

0.1V

0.01dB

0.01dB

0.01dB

0.4% + 40

0.4% + 40

0.4% + 40

0.4% + 40

0.4% + 40

0.4% + 40

0.4% + 40

0.1dB

0.1dB

0.1 dB

2 % + 80

2 % + 80

2 % + 80

2 % + 80

2 % + 80

2 % + 80

2 % + 80

0.2dB

0.2dB

0.2dB

5 % + 40

5 % + 40

0.4% + 40

0.4% + 40

0.4% + 40

0.4% + 40

0.4% + 40

0.5dB

0.1dB

0.1dB

5.5% + 40

5.5% + 40

1.5% + 40

1.5% + 40

1.5% + 40 Not specified Not specified

0.5dB

0.2 dB

Not specified

15 % + 40

8 % + 40

8 % + 40

8 % + 40

8 % + 40

Not specified

Not specified

1.4dB

0.8dB

Not specified

1.For the 5,000 count mode, divide the number of least significant digits (counts) by 10.

2.A residual reading of 8 to 180 digits with leads shorted, will not affect stated accuracy above 5 % of range.

7-5

Page 89
Image 89
Fluke 189 user manual Detailed Accuracy Specifications