Keithley 2110 Calibration Manual

In this section:
Performing accuracy verification .............................................. 3-1
Performing accuracy verification
After calibration is completed, the Model 2110 should be verified to ensure that its performance is
within the manufacturer’s specifications.
Perform accuracy verifications using the Fluke 5700A/5725A and 5520A/5522A standards. Refer to
the following tables for accuracy limits for the specified ranges.
DC voltage accuracy verification
DC VOLTAGE ACCURACY VERIFICATION
Range Test Point Accuracy Limits
Upper Limit Lower Limit
100 mV
50.0000 mV
50.010 mV
49.990 mV
90.0000 mV
90.015 mV
89.985 mV
1 V 0.500000 V 0.50001 V 0.49992 V
0.900000 V 0.90001 V 0.89988 V
10 V
5.0000 V
5.0008 V
4.9992 V
9.0000 V
9.0013 V
8.9987 V
100 V
50.000 V
50.008 V
49.992 V
90.000 V
90.013 V
89.987 V
1000 V
500.00 V
500.09 V
499.91 V
900.00 V 900.14 V -899.86 V
Specifications valid after 2-hour warm-up:
a. ADC set for continuous trigger operation.
b. Input bias current < 30 pA at 25 °C.
c. Input protection 1000 V all ranges (2-W input).
d. Measurement rate set to 1 PLC.
e. Repeat the checks above for negative polarity.
Section 3
Performance verification

Keithley 2110 Specifications

General

Model	2110
DC Voltage Range	100 mV to 1000 V
AC Voltage Range	100 mV to 750 V
Continuity	Yes
Diode Test	Yes
Category	Digital Multimeter
Display	5.5 digit
DC Current Range	100 µA to 3 A
AC Current Range	100 µA to 3 A
Resistance Range	100 MΩ
Frequency Range	3 Hz to 300 kHz
Frequency Accuracy	0.01% + 1 count
Capacitance Range	1 nF to 100 µF
Capacitance Accuracy	1% + 5 counts
Connectivity	USB, GPIB (optional)
Dimensions	88 mm
Power Supply	100 V to 240 V AC, 50/60 Hz
DC Voltage Accuracy	±0.012% + 2 counts