Keithley 2110

Mod
el 2110 5½ Digit Multimeter Calibration Manual Section 3:
Performance verification
2110-905-01 Rev. C / August 2013 3-5
Temperature accuracy verification
TEMPERATURE ACCURACY VERIFICATION
Range Test Point Accuracy Limits
Upper Limit Lower Limit
TC Type K 100.000 °C 101.000 °C 99.000 °C
0.000 °C
1.000 °C
-1.000 °C
-100.000 °C
99.000 °C
-101.000 °C
Specifications valid after 2-hour warm-up at 5-1/2 digits:
a. ADC set for continuous trigger operation.
b. Input bias current < 30 pA at 25 °C.
c. Input protection 1000 V.
d. Measurement rate set to 10 PLC (fixed).
Capacitance accuracy verification
CAPACITANCE ACCURACY VERIFICATION
Range Test Point Accuracy Limits
Upper Limit Lower Limit
1 nF
1.00000 nF
1.02800 nF
0.97200 nF
10 nF
10.0000 nF
10.1500 nF
9.8500 nF
100 nF
100.000 nF
101.500 nF
98.500 nF
1 µF 1.00000 µF 1.01500 µF 0.98500 µF
10
µ
F
10.0000
µ
F
10.1500
µ
F
9.8500
µ
F
100
µ
F
100.000
µ
F
101.500
µ
F
98.500
µ
F
1 mF
1.00000 mF
1.01500 mF
0.98500 mF
10 mF
10.0000 mF
10.2500 mF
9.7500 mF
Specifications valid after 2-hour warm-up at 5-1/2 digits:
a. ADC set for continuous trigger operation.
b. Input test current: 10 uA (1 nF to 10 nF), 100 µA (100 nF to 10 µF),
and 1 mA (10 µF to 100 µF).
c. Input protection 1000 V all ranges and 1 mA (10
µ
F to 10 mF)