Keithley DMM7510, Руководство по калибровке, Страница: 12 / 142

Model DMM7510 7½ Digit Graphical Sampling Multimeter Calibration Manual Section 2: Performance verification
DMM7510-905-01 Rev. A / April 2015 2-3
Recommended test equipment
The following table summarizes the recommended verification equipment. You can use alternate
equipment if that equipment has specifications that meet or exceed those listed in the table below.
Test equipment uncertainty adds to the uncertainty of each measurement. Generally, test equipment
uncertainty should be at least four times more accurate than corresponding Model DMM7510
specifications. The following table lists the uncertainties of the recommended test equipment.
Manufacturer Model Description Used for: Uncertainty
Fluke 5720A or 5730A High Performance
Multifunction Calibrator DCV, ACV, ACI, and
resistance See Note.
Fluke 5725A Amplifier DCI and ACI See Note.
Fluke 8508A 8.5 Digit Reference
Multimeter DCV and resistance See Note.
Keysight
Technologies 33250A Function/Arbitrary
Waveform Generator Frequency See Note.
IET Labs, Inc. 1423-A Precision Decade
Capacitor Capacitance, 1 nF to
1
µ
F
See Note.
IET Labs, Inc. HACS-Z-A-2E-1uF Series HACS-Z High
Accuracy Decade
Capacitance Box
Capacitance, 1
µ
F to
100
µ
F
See Note.
Keithley
Instruments 8610 or 8620 4-Wire DMM Shorting
Plug DCV, Digitize DCV, and
resistance N/A
Caddock
Electronics USF240-200k
200 kΩ, 0.01 %
tolerance, 2 PPM/ °C
resistor
10
µ
A and 100
µ
A DCI
See Note.
Vishay CMF65
10 MΩ, 0.25 %
tolerance, 50 PPM/ °C
resistor
10
µ
A and 100
µ
A DCI
See Note.
HYMEG
Corporation FA-65-1G and FA-
65-10G
1 GΩ and 10 GΩ, 2 %
tolerance, 25 PPM/ °C
resistor
910 M
Ω
, parallel 1 G
Ω
and 10 G
Ω
See Note.
Refer to the manufacturer's specifications to calculate the uncertainty, which varies for each function
and range test point.
In this manual, the Model 8610 shorting plug is shown in the graphics. However, you can use either
the Model 8610 or Model 8620.