Measurement accuracy – Atec Fluke-2680 Series User Manual
Page 5
Model 2680A-FAI
DC Voltage
Accuracy
1
, 3σ
σ
σ
σ
σ, ± (%input + V) 18 to 28°C
Range
Resolution
90 Day
1 Year
Slow
Slow
Fast
90 mV
3 µV
0.01%+20 µV
0.013%+23 µV
0.013%+50 µV
300 mV
10 µV
0.01%+40 µV
0.013%+49 µV
0.013%+93 µV
3V
100 µV
0.01%+.3 mV
0.013%+.38 mV
0.013%+.64 mV
30V
1 mV
0.01%+4 mV
0.013%+4.9 mV
0.026%+9.5 mV
150/300V 10 mV
0.01%+30 mV
0.013%+40 mV
0.052%+64 mV
Resistance
Accuracy
1,3
(4-wire), 3σ
σ
σ
σ
σ, ± (% input+Ω )
300Ω
10 mΩ
0.02%+60 mΩ
0.02%+.1Ω
.02%+.2Ω
3 kΩ
100 mΩ
0.02%+6Ω
0.02%+1Ω
.02%+3Ω
30 kΩ
1Ω
0.02%+6Ω
0.02%+10Ω
.02%+300Ω
300 kΩ
10Ω
0.5%+80Ω
0.5%+150Ω
1.0%+3 kΩ
3 MΩ
100Ω
1.3%+1 kΩ
1.3%+2 kΩ
2.0%+200 kΩ
Measurement accuracy
Model 2680A-PAI
Accuracy
1,6
, 3σ
σ
σ
σ
σ, ± °C
Thermocouples
9
18 to 28°C
-10 to 60°C
ITS90
90 Day
1 Year
1 Year
Type
Temp (°C)
Slow
Slow
Fast
Slow
Fast
J
-100°C to 80°C
0.45
0.5
0.8
0.6
0.8
80°C to 230°C
0.35
0.5
0.7
0.6
0.8
230°C to 760°C
0.4
0.5
0.7
0.8
0.9
K
-100°C to -25°C
0.55
0.6
0.9
0.7
1.0
-25°C to 120°C
0.4
0.5
0.8
0.6
0.9
120°C to 800°C
0.5
0.65
0.9
1.0
1.2
800°C to 1372°C
0.7
1.0
1.3
1.6
1.9
N
-100°C to -25°C
0.65
0.75
1.2
0.8
1.3
-25°C to 120°C
0.55
0.6
1.0
0.7
1.1
120°C to 1000°C
0.45
0.6
0.9
1.0
1.2
1000°C to 1300°C
0.55
0.75
1.0
1.2
1.5
E
-100°C to -25°C
0.45
0.5
0.8
0.6
0.8
-25°C to 20°C
0.35
0.4
0.6
0.5
0.7
20°C to 600°C
0.3
0.4
0.6
0.5
0.8
600°C to 1000°C
0.4
0.5
0.7
0.9
1.0
T
-100°C to 0°C
0.6
0.65
1.0
0.7
1.1
0°C to 150°C
0.4
0.5
0.8
0.6
0.9
150°C to 400°C
0.3
0.4
0.6
0.6
0.8
R
250°C to 600°C
0.9
1.0
2.1
1.2
2.2
600°C to 1500°C
0.8
0.9
1.8
1.3
2.0
1500°C to 1767°C
0.85
0.85
1.9
1.7
2.5
S
250°C to 1000°C
0.95
1.1
2.3
1.3
2.4
1000°C to 1400°C
0.8
1.0
1.9
1.4
2.3
1400°C to 1767°C
1.0
1.3
2.2
1.8
2.8
B
600°C to 900°C
1.2
1.4
3.1
1.5
3.2
900°C to 1200°C
0.9
1.0
2.2
1.2
2.4
1200°C to 1820°C
0.75
1.0
1.9
1.3
2.2
C
0°C to 150°C
0.8
0.9
1.6
1.0
1.7
150°C to 650°C
0.65
0.75
1.4
1.0
1.5
650°C to 1000°C
0.65
0.85
1.4
1.2
1.8
1000°C to 1800°C
1.0
1.3
2.1
2.1
2.8
1800°C to 2316°C
1.6
2.1
3.2
3.4
4.6
L
-100°C to 100°C
0.9
1.0
2.0
1.3
2.0
100°C to 800°C
0.5
0.9
1.4
1.2
1.7
800°C to 900°C
0.5
0.7
1.1
1.3
1.5
U
-100°C to 0°C
1.5
1.5
2.6
1.6
3.0
0°C to 600°C
0.6
0.8
1.6
1.1
1.9
Model 2680A-FAI
Accuracy
1,6
, 3σ
σ
σ
σ
σ, ± °C
Thermocouples
9
18 to 28°C
-10 to 60°C
ITS90
90 Day
1 Year
1 Year
Type
Temp (°C)
Slow
Slow
Fast
Slow
Fast
J
-100°C to 80°C
0.8
0.9
1.6
0.9
1.7
80°C to 230°C
0.7
0.8
1.4
0.9
1.5
230°C to 760°C
0.7
0.8
1.3
1.0
1.5
K
-100°C to -25°C
1.0
1.1
2.0
1.2
2.1
-25°C to 120°C
0.8
0.9
1.7
1.0
1.8
120°C to 1000°C
0.9
1.1
1.8
1.5
2.2
1000°C to 1372°C
1.2
1.5
2.3
2.0
2.9
N
-100°C to -25°C
1.4
1.5
2.8
1.5
2.9
-25°C to 120°C
1.1
1.3
2.3
1.3
2.4
120°C to 1000°C
1.0
1.1
2.0
1.2
2.1
1000°C to 1300°C
1.0
1.2
1.9
1.6
2.4
E
-100°C to -25°C
0.8
0.9
1.5
1.0
1.6
-25°C to 20°C
0.7
0.7
1.2
0.8
1.3
20°C to 600°C
0.6
0.7
1.1
0.8
1.2
600°C to 1000°C
0.6
0.8
1.2
1.1
1.5
T
-100°C to 0°C
1.1
1.2
2.2
1.3
2.3
0°C to 150°C
0.9
1.0
1.7
1.0
1.8
150°C to 400°C
0.7
0.8
1.4
0.8
1.5
R
250°C to 600°C
2.4
2.7
5.6
2.8
5.7
600°C to 1500°C
2.0
2.3
4.6
2.4
4.8
1500°C to 1767°C
2.0
2.3
4.5
2.8
5.1
S
250°C to 1000°C
2.6
2.8
5.9
2.9
6.0
1000°C to 1400°C
2.0
2.3
4.6
2.6
5.0
1400°C to 1767°C
2.3
2.7
5.3
3.3
5.9
B
600°C to 1200°C
3.6
3.9
8.5
4.0
8.6
1200°C to 1550°C
2.1
2.4
5.0
2.6
5.2
1550°C to 1820°C
2.0
2.3
4.7
2.7
5.0
C
0°C to 150°C
1.9
2.0
4.0
2.1
4.2
150°C to 650°C
1.6
1.7
3.5
1.8
3.6
650°C to 1000°C
1.4
1.7
3.2
2.0
3.5
1000°C to 1800°C
2.0
2.5
4.5
3.2
5.3
1800°C to 2316°C
3.1
3.8
6.8
5.1
8.1
L
-100°C to 100°C
1.2
1.3
2.9
1.6
3.1
100°C to 800°C
0.9
1.0
2.1
1.2
2.3
800°C to 900°C
0.7
0.8
1.3
1.0
1.5
U
-100°C to 0°C
2.0
2.1
4.3
2.2
4.6
0°C to 600°C
1.3
1.4
2.5
1.6
2.6
Model 2680A-PAI
DC Voltage
Accuracy
1
, 3σ
σ
σ
σ
σ, ± (%input + V) 18 to 28°C
Range
Resolution
90 Day
1 Year
Slow
Slow
Fast
90 mV
.3 µV
0.01%+7 µV
0.013%+8 µV
0.013%+18 µV
300 mV
1 µV
0.01%+15 µV
0.013%+17 µV
0.013%+35 µV
3V
10 µV
0.01%+.1 mV
0.013%+.15 mV
0.013%+.2 mV
30V
100 µV
0.01%+1.5 mV
0.013%+1.7 mV
0.026%+3.5 mV
150/300V 1 mV
0.01%+15 mV
0.013%+17 mV
0.052%+35 mV
Resistance
Accuracy
1,3
(4-wire), 3σ
σ
σ
σ
σ, ± (% input+Ω )
300Ω
1 mΩ
0.015%+20 mΩ
0.02%+30 mΩ
0.02%+120 mΩ
3 kΩ
10 mΩ
0.02%+.3Ω
0.02%+.5Ω
0.02%+.1.2Ω
30 kΩ
100 mΩ
0.03%+3Ω
0.03%+5Ω
0.04%+15Ω
300 kΩ
1Ω
0.1%+40Ω
0.1%+60Ω
0.2%+150Ω
3 MΩ
10Ω
0.25%+800Ω
0.25%+1 kΩ
0.5%+1.5 k
Fluke 2680 Series Data Acquisition Systems Fluke Corporation 5