Tektronix DMM850

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DMM800 Series Performance Verification

Handheld Instruments Basic Service

DMM870 test record (cont.)

Test input Display maximumReadingDisplay minimumTolerance

DC millivolts test

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0.00 mV

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0.06% + 10 counts

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– 0.10 mV

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0.10 mV

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40.00 mV

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0.06% + 10 counts

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39.88 mV

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40.12 mV

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360.00 mV

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0.06% + 10 counts

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359.69 mV

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360.31 mV

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– 360.00 mV

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0.06% + 10 counts

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– 360.31 mV

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– 359.69 mV

AC+DC volts test

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– 1.000 V

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1.9% +14 counts

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0.967 V

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1.033 V

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1.000 V

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1.9% +14 counts

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0.967 V

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1.033 V

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1.000 V

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60 Hz

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1.9% +14 counts

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0.967 V

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1.033 V

4000 count mode only.

Frequency test

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20.00 Hz

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1 V

p-p

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0.01% + 10 counts

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19.90 Hz

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20.10 Hz

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100.00 Hz

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1 V

p-p

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0.01% + 10 counts

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99.89 Hz

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100.11 Hz

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1.0000 kHz

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1 V

p-p

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0.01% + 10 counts

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.9989 kHz

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1.0011 kHz

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10.000 kHz

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1 V

p-p

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0.01% + 10 counts

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9.989 kHz

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10.011 kHz

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100.00 kHz

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1 V

p-p

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0.01% + 10 counts

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99.89 kHz

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100.11 kHz

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1.0000 MHz

1,2

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1 V

p-p

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0.15% + 10 counts

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0.9975 MHz

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1.0025 MHz

Select Frequency mode if using the Wavetek 9100; set the amplitude to 1 V. Select the square wave AC mode if using the

Fluke 5500A; set the amplitude to 1.000 V.

Select the sine wave AC mode if using the Fluke 5500A; set the amplitude to 0.354 V.

Duty factor test

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50.0

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5 V, 1 kHz

squarewave

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0.15%

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49.9

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50.1

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90.0

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5 V, 1 kHz

squarewave

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0.15%

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89.9

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90.1

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10.0

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5 V, 1 kHz

squarewave

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0.15%

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9.9

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10.1

Tektronix DMM850

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