Tektronix DMM4020, Техническое справочное руководство

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DMM4020
Technical Reference
Direct Voltage Verification
To verify the Volts DC function of the Meter, connect it to the calibrator as shown in
Figure 3-1 and apply the voltages listed in Table 3-2.
gdb001.eps
Figure 3-1. Direct and Alternating Voltage Verification Test Setup
Table 3-2. Direct Voltage Verification Steps
Nominal
Input
Range
90-Day Test Limit 1-Year Test Limit
High Low High Low
0 V 200 mV 0.006 mV -0.006 mV 0.008 mV -0.008 mV
190 mV 200 mV 190.025 mV 189.975 mV 190.037 mV 189.964 mV
-190 mV 200 mV -189.975 mV -190.025 mV -189.964 mV -190.037 mV
0 V 2 V 0.00004 V -0.00004 V 0.00006 V -0.00006 V
0.5 V 2 V 0.50009 V 0.49991 V 0.50014 V 0.49986 V
-0.5 V 2 V -0.49991 V -0.50009 V -0.49986 V -0.50014 V
1.9 V 2 V 1.90023 V 1.89977 V 1.90034 V 1.89966 V
-1.9 V 2 V -1.89977 V -1.90023 V -1.89966 V -1.90034 V
0 V 20 V 0.0006 V -0.0006 V 0.0008 V -0.0008 V
19 V 20 V 19.0025 V 18.9975 V 19.0037 V 18.9963 V
-19 V 20 V -18.9975 V -19.0025 V -18.9963 V 19.0037 V
0 V 200 V 0.004 V -0.004 V 0.006 V -0.006 V
190 V 200 V 190.023 V 189.977 V 190.034 V 189.966 V
-190 V 200 V -189.977 V -190.023 V -189.966 V -190.034 V
0 V 1000 V 0.02 V -0.02 V 0.03 V -0.03 V
1000 V 1000 V 1000.12 V 999.88 V 1000.18 V 999.82 V
-1000 V 1000 V -999.88 V -1000.12 V -999.82 V -1000.18 V
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