Chapter 2 Performance Verification Test RIGOL
DM3068 Performance Verification Guide
DC
Current
[2]
200.0000μA 200μA Q ±44nA ±110nA ±130nA
200.0000μA -200μA Q ±44nA ±110nA ±130nA
2.000000mA 2mA ±200nA ±660nA ±1.06μA
2.000000mA -2mA ±200nA ±660nA ±1.06μA
20.00000mA 20mA Q ±3.8μA ±9μA ±13μA
20.00000mA -20mA Q ±3.8μA ±9μA ±13μA
200.0000mA 200mA ±24μA ±66μA ±106μA
200.0000mA -200mA ±24μA ±66μA ±106μA
2.000000A 2A Q ±1.4mA ±2mA ±2.4mA
2.000000A -2A ±1.4mA ±2mA ±2.4mA
10.00000A 10A ±11mA ±13mA ±16mA
10.00000A -10A ±11mA ±13mA ±16mA
Resistance
[3]
200.0000Ω 200Ω ±12mΩ ±24mΩ ±28mΩ
2.000000kΩ 2kΩ ±50mΩ ±180mΩ ±220mΩ
20.00000kΩ 20kΩ Q ±500mΩ ±1.8Ω ±2.2Ω
200.0000kΩ 200kΩ ±5Ω ±18Ω ±22Ω
1.000000MΩ 1MΩ Q ±30Ω ±110Ω ±130Ω
10.00000MΩ 10MΩ ±1.6kΩ ±3.1kΩ ±4.1kΩ
100.0000MΩ 100MΩ ±310kΩ ±810kΩ ±810kΩ
Note
[1]
: The integration time is set to 100PLC.
Note
[2]
: For continuous currents greater than DC 7A or AC RMS 7A, close the circuit for 30s on and then open the
circuit for 30s.
Note
[3]
: Specifications are for the 4-wire resistance function or the 2-wire resistance function using “REL” operation.
If the 2-wire resistance function is used without "REL" operation, add 0.2Ω additional errors.
Note
[4]
: Q marks the optional quick test points.
2. The AC voltage gain test procedures
(1) Make sure you have carefully read the "Test Conditions".
(2) Connect the input terminals of the multimeter with the calibrator.
(3) Test the ranges specified in Table 2-3 one by one. Set the AC filter to "Slow" and turn off all
the math operations.
(4) Input the signals specified in Table 2-3 using the calibrator and compare the test results
with the limits in the table (make sure the output of the calibrator is built adequately).
Table 2-3 AC voltage gain test items
Range
[1]
Test
Signal
Input
Frequency
Quick Test
[2]
Allowable Error Range
24 hours 90 days 1 year
200.0000mV
200mV 10Hz ±760μV ±780μV ±780μV
200mV 20kHz Q ±140μV ±180μV ±200μV
200mV 50kHz ±300μV ±320μV ±340μV
200mV 100kHz ±1.26mV ±1.36mV ±1.36mV
200mV 300kHz ±9mV ±9mV ±9mV
2.000000V 2V 10Hz ±7.4mV ±7.6mV ±7.6mV
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