Manual Calibration; General; Table 25 Test Equipment Specifications; Table 26 Standard Reference Resistor Specification - Fluke 1523 Technical Manual

1523, 1524 Reference Thermometer

Manual Calibration

Table 25 Test Equipment Specifications

Classification
Voltage Source
4 wire Reference Resistors
4 wire cable
Lemo Connector

Table 26 Standard Reference Resistor Specification

Reference
Resistor
Uncertainty
Resistance (ppm)
0 --
25 28
75 15.73
100 14
200 11.5
400 10.25
10000 35
40000 26.25
100000 74
300000 70
500000 70

Table 27 Standard Voltage Reference Specification

7.7 Manual Calibration
7.7.1

General

This procedure outlines a manual process that closely follows the way the Reference
Thermometer was calibrated at the factory. The user should adjust their calibration
process to meet the needs of their facility and process. The following flow charts sum-
marizes the process.
78
Shop for Fluke products online at:
Minimum Use
± 6ppm ± 0.6uV
See Total Uncertainty column
Table X
Low resistance, Low EMF
6 pin
U (k=2)
S1
Reference
Resistor
Uncertainty (Ω)
0.00004
0.0007
0.00117975
0.0014
0.0023
0.0041
0.35
1.05
7
21
35
Reference Voltage Total
Voltage mV Uncertainty (mV)
–10 0.00125
0 0.00110
25 0.00145
75 0.00210
MyFlukeStore
www.
Recommended Equipment
Fluke 5700
Vishay VHP100 Resistors
N/A
LEMO PAG.M0.6GL.AC39G
U (k=2)
S2
TCR
Uncertainty TCR
(ppm) Uncertainty (Ω)
-- --
0.3 0.0000075
0.3 0.0000225
0.3 0.00003
0.3 0.00006
0.3 0.00012
0.3 0.003
0.3 0.012
0.3 0.03
0.3 0.09
0.3 0.15
U (k=2)
T
Total
Total Uncertainty
Uncertainty (Ω) (ppm)
0.000540 --
0.000700 28.0016
0.001180 15.7329
0.001400 14.0032
0.002301 11.5039
0.0041 10.2544
0.3500 35.0013
1.0501 26.2517
7.0001 70.0006
21.0002 70.0006
35.0003 70.0006
1.877.766.5412
.com