Tektronix DMM850

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DMM800 Series Performance Verification

Handheld Instruments Basic Service

DMM830 Test Records

Serial number Procedure performed by Date

DMM830 test record

Test input Tolerance Display minimum Reading Display maximum

AC volts test

1,2

��

3.6000 V

��

60 Hz

��

1.0% + 40 counts

��

3.5600 V

��

3.6400 V

��

1 kHz

��

2.5% + 40 counts

��

3.5060 V

��

3.6940 V

��

36.000 V

��

60 Hz

��

1.0% + 40 counts

��

35.600 V

��

36.400 V

��

1 kHz

��

2.5% + 40 counts

��

35.060 V

��

36.940 V

��

�

360.00 V

��

�

60 Hz

��

�

1.0% + 40 counts

��

�

356.00 V

��

�

��

�

364.00 V

��

1 kHz

��

2.5% + 40 counts

��

350.60 V

��

369.40 V

��

750.0 V

��

60 Hz

��

1.0% + 40 counts

��

738.5 V

��

761.5 V

Verify proper DMM range (5 display digits); use manual range if necessary. The 750 V range displays 4 digits.

The upper display readout is

2 counts corresponding to the input frequency.

750 V range not specified above 100 Hz.

DC volts test

��

0.0000 V

��

0.2% + 10 counts

��

– 0.0010 V

��

0.0010 V

��

3.6000 V

��

0.2% + 10 counts

��

3.5918 V

��

3.6082 V

��

– 3.6000 V

��

0.2% + 10 counts

��

– 3.6082 V

��

– 3.5918 V

��

36.000 V

��

0.2% + 10 counts

��

35.918 V

��

36.082 V

��

360.00 V

��

0.2% + 10 counts

��

359.18 V

��

360.82 V

��

1000.0 V

��

0.2% + 10 counts

��

997.0 V

��

1003.0 V

��

– 1000.0 V

��

0.2% + 10 counts

��

– 1003.0 V

��

– 997.0 V

DC millivolts test

��

0.00 mV

��

0.2% + 10 counts

��

– 0.10 mV

��

0.10 mV

��

40.00 mV

��

0.2% + 10 counts

��

39.82 mV

��

40.18 mV

��

360.00 mV

��

0.2% + 10 counts

��

359.18 mV

��

360.82 mV

��

– 360.00 mV

��

0.2% + 10 counts

��

– 360.82 mV

��

– 359.18 mV

Tektronix DMM850

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