Calibration Equipment - Fluke 9190A Operator's Manual

9190A
Operators Manual

Calibration Equipment

The equipment in Table 4-11 is required to complete the calibration procedure.
Four-Wire Resistors
Voltage/Current Source
Ice Point
Readout
Probe
Thermocouples
Resistance
(Ω)
0
25
100
200
400
4-16
Table 4-11. External Reference Calibration Equipment Specifications
Classification
Table 4-12. Standard Resistor Specifications
U (k=1)
S1
Reference Reference
Resistor Resistor
Uncertainty Uncertainty
(ppm) (Ω)
-- 0.000040
1.80 0.000045
2.00 0.00020
2.65 0.00053
2.65 0.00106
Minimum Use Specifications
See Table 4-12
Voltage: ± 6 ppm + 0.6 μV
Amperage: ± 40 ppm + 80 nA
25 °C, Stability: ±0.02 °C
Accuracy: 0.0025 °C
0.02 °C at 25 °C
0.025 °C at 25 °C
Type E characterized wire at 25 °C
U (k=1)
S2
TCR TCR
Uncertainty Uncertainty
(ppm) (Ω)
-- --
0.3 0.0000075
0.3 0.00003
0.3 0.00006
0.3 0.00012
U (k=1) U (k=2)
T T
Total Uncertainty (Ω)
0.00004 0.00008
0.000045 0.00009
0.000205 0.00041
0.00055 0.0011
0.0011 0.0022