Fluke 5502A, Руководство оператора

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5502A
Operators Manual
1-12
Resistance
Range
[1]
Absolute Uncertainty, tcal
±
5
°
C
±
(% of floor)
[2]
Resolution
(
Ω
)
Allowable Current
[3]
(A)
% of output
Floor (
Ω
) Time and temp since ohms
zero cal
90 Day 1 Year 12 hrs
±
1
°
C 7 days
±
5
°
C
0 to 10.999
Ω
0.009 0.012 0.001 0. 01 0.001 1 mA to 125 mA
11 to 32.999
Ω 0.009
0.012
0.0015 0.015 0.001 1 mA to 125 mA
33 to
109.999
Ω
0.007
0.009
0.0014 0.015 0.001 1 mA to 70 mA
110 to
329.999
Ω
0.007
0.009
0.002 0.02 0.001 1 mA to 40 mA
330 to
1.09999 k
Ω
0.007
0.009
0.002 0.02 0.01 1 mA to 18 mA
1.1 to
3.29999 k
Ω
0.007
0.009
0.02 0.2 0.01
100
μ
A to 5 mA
3.3 to
10.9999 k
Ω
0.007
0.009
0.02 0.1 0.1 100
μ
A to 1.8 mA
11 to
32.9999 k
Ω
0.007
0.009
0.2 1 0.1 10
μ
A to .5 mA
33 to
109.999 k
Ω
0.008
0.011
0.2 1 1
10
μ
A to 0.18 mA
110 to
329.999 k
Ω
0.009
0.012
2 10 1 1
μ
A to 50
μ
A
330 k
Ω
to
1.09999 M
Ω
0.011
0.015
2 10 10
1
μ
A to 18
μ
A
1.1 to
3.29999 M
Ω
0.011
0.015
30 150 10 250 nA to 5
μ
A
3.3 to
10.9999 M
Ω
0.045
0.06
50 250 100
250 nA to 1.8
μ
A
11 to
32.9999 M
Ω
0.075
0.1
2500 2500 100 25 nA to 500 nA
33 to
109.999 M
Ω
0.4
0.5
3000 3000 1000 25 nA to 180 nA
110 to
329.999 M
Ω
0.4
0.5
100000 100000 1000 2.5 nA to 50 nA
330 to
1100.00 M
Ω
1.2 1.5 500000 500000 10000 1 nA to 13 nA
[1] Continuously variable from 0
Ω
to 1.1 G
Ω
.
[2] Applies for 4-WIRE compensation only. For 2-WIRE and 2-WIRE COMP, add 5
μ
V per amp of stimulus current to the floor
specification. For example, in 2-WIRE mode, at 1 k
Ω
the floor specification within 12 hours of an ohms zero cal for a measurement
current of 1 mA is: 0.002
Ω
+ 5
μ
V / 1 mA = (0.002 + 0.005)
Ω
= 0.007
Ω
.
[3] Do not exceed the largest current for each range. For currents lower than shown, the floor adder increases by Floor
(new)
= Floor
(old)
x
I
min
/I
actual
. For example, a 50
μ
A stimulus measuring 100
Ω
has a floor specification of: 0.0014
Ω
x 1 mA/50
μ
A = 0.028
Ω
, assuming
an ohms zero calibration within 12 hours.