Fluke Hart Scientific 1523, Техническое руководство

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19
Quick Start
Specifications
Table 10
Ohms Measurement, Thermistor
Ohms Range Accuracy ± Ω, 4 Wire
200 Ω to 50 kΩ ± (0.01 % + 0.5 Ω)
50 kΩ to 500 kΩ ± (0.03 %)
Temperature Coefficient ( –10 °C to 13 °C , +33 °C to 60 °C):
0.002 %/°C + 0.1 Ω (0 Ω to 50 kΩ)
0.06 %/°C + 0.1 Ω (50 kΩ to 500 kΩ)
Excitation Current: 10 μA (0 Ω to 50 kΩ) 2 μA (50 kΩ to
500 kΩ)
Table 11
Equivalent temperature accuracies derived from primary
specifications (Ω, mV)
Type Range
Measure
Accuracies (ITS-90)
B 600 °C to 800 °C
800 °C to 1000 °C
1000 °C to 1800 °C
0.85 °C
0.68 °C
0.57 °C
C 100 °C to 550 °C
550 °C to 2300 °C
0.32 °C
0.71 °C
E –200 °C to 0 °C
0 °C to 950 °C
0.52 °C
0.22 °C
J –200 °C to 0 °C
0 °C to 1200 °C 0.52 °C
0.23 °C
K –200 °C to 0 °C
0 °C to 1370 °C 0.61 °C
0.24 °C
L –200 °C to 0 °C
0 °C to 900 °C
0.36 °C
0.23 °C
M –20 °C to 0 °C
0 °C to 400 °C
400 °C to 1400 °C
0.26 °C
0.25 °C
0.22 °C
N –200 °C to 0 °C
0 °C to 1300 °C 0.72 °C
0.28 °C
R –20 °C to 0 °C
0 °C to 500 °C
500 °C to 1750 °C
1.09 °C
0.97 °C
0.49 °C
S –20 °C to 0 °C
0 °C to 500 °C
500 °C to 1750 °C
1.05 °C
0.95 °C
0.56 °C
T –200 °C to 0 °C
0 °C to 400 °C
0.60 °C
0.25 °C
U –200 °C to 0 °C
0 °C to 400 °C
0.54 °C
0.24 °C
Resolution: 0.01 °
Note 1: Accuracies are based on internal Reference
Junction Compensation..