Rigol DM3068 Digital-Multimeter, DMM, DM3068 数据表
产品代码
DM3068
RIGOL
User’s Guide for DM3068
6-13
Capacitance Characteristics
Accuracy Specifications: ± (% of reading + % of range)
[1][2]
Function
Range
[2]
Test Current
1Year
T
T
CAL
℃
±5℃
Temperature Coefficient
0℃ to (T
0℃ to (T
CAL
℃
-5℃)
(T
CAL
℃
+5℃) to 50℃
Capacitance
2.000 nF
200 nA
2 + 2.5
0.05+0.05
20.00 nF
2 uA
1 + 0.3
0.05+0.01
200.0 nF
10 uA
1 + 0.3
0.01+0.01
2.000 uF
100 uA
1 + 0.3
0.01+0.01
20.00 uF
1 mA
1 + 0.3
0.01+0.01
200.0 uF
1 mA
1 + 0.3
0.01+0.01
2.000 mF
1 mA
1 + 0.3
0.01+0.01
20.00 mF
1 mA
1 + 0.3
0.01+0.01
100.0 mF
1 mA
3 + 0.2
0.05+0.02
[1]
Specifications are for 90 minutes warm–up and REL operation. Additional errors may be caused by non–film capacitors.
[2]
Specifications are for 1% to 110% of range on 2 nF range and 10% to 110% of range on all other ranges.
Measuring Characteristics
Capacitance Measurement
Measurement Method
Apply constant current into the capacitance, and measure the voltage changing rate.
Connection Type
2-wire
Measurement Considerations
Since small capacitance measurements are susceptible to error caused by external noise, shielding inputs from external noise pickup is critical for minimizing
measurement errors.
Since small capacitance measurements are susceptible to error caused by external noise, shielding inputs from external noise pickup is critical for minimizing
measurement errors.