DMM800 Series Performance Verification
Handheld and Benchtop Instruments Basic Service
27
DMM870 Test Records
Serial Number Procedure performed by Date
DMM870 Test Record
Test Input Tolerance Display Minimum Reading Display Maximum
AC Volts Test
1,2
3.6000 V
60 Hz
±0.7% + 40 counts
3.5708 V
3.6292 V
500 Hz
±1.5% + 40 counts
3.5420 V
3.6580 V
10 kHz
±2.5% + 40 counts
3.5060 V
3.6940 V
36.000 V
500 Hz
±1.5% + 40 counts
35.420 V
36.580 V
ÁÁÁÁ
ÁÁ
10 kHz
ÁÁÁÁÁ
±2.5% + 40 counts
ÁÁÁÁÁ
35.060 V
ÁÁÁÁÁÁÁ
ÁÁÁÁ
36.940 V
360.00 V
500 Hz
±1.5% + 40 counts
354.20 V
365.80 V
10 kHz
±2.5% + 40 counts
350.60 V
369.40 V
750.0 V
3
60 Hz
±0.7% + 40 counts
740.7 V
759.3V
1
Verify the proper DMM range (5 display digits); use the manual range if necessary. The 750 V range displays 4 digits.
2
The upper display readout is ±2 counts corresponding to the input frequency.
3
750 V range not specified above 100 Hz.
DC Volts Test
0.0000 V
±0.06% + 10 counts
–0.0010 V
0.0010 V
3.6000 V
±0.06% + 10 counts
3.5969 V
3.6031 V
–3.6000 V
±0.06% + 10 counts
–3.6031 V
–3.5969 V
36.000 V
±0.06% + 10 counts
35.969 V
36.031 V
360.00 V
±0.06% + 10 counts
359.69 V
360.31 V
1000.0 V
±0.06% + 10 counts
998.4 V
1001.6 V
ÁÁÁÁÁÁÁ
–1000.0 V
ÁÁÁÁÁ
±0.06% + 10 counts
ÁÁÁÁÁ
–1001.6 V
ÁÁÁÁÁÁÁ
ÁÁÁÁ
–998.4 V
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