Accuracy Specifications - Available Tests; R Test - Voltech AT5600 User Manual

C H A P T E R 1 0 – S P E C I F I C A T I O N S
10.2. Accuracy Specifications – Available Tests
10.2.1.
The accuracy is based on the chosen test conditions, and is given by:
where:
where:
where:
The test signal is set according to the value specified as maximum in the test
limits: -
Maximum
Resistance R
Test current
Where:
V = Volts (V)
I = Current (A)
R = Resistance (
AT5600 User Manual 98-119 issue 14

R Test

�� = �� + �� + �� + ��
�� �� �� ��
A is the total accuracy (%)
T
A is the basic relative accuracy (%)
R
A is the calibration accuracy (%)
C
A is the correction for voltage level (%)
V
A is the correction for current level (%)
I
�� = 0.10%
��
�� = 0.08%
��
0.1%
�� = 0.03% +
��
��
��
0.001%
�� = 0.03% +
��
��
��
V is the measured voltage (V)
M
I is the measured current (A)
M
Ω Ω
<1 1
I=1 I=1/R
Ω)
��
Ω Ω- Ω
-10k 10k 50k
V=R*100u
Ω
>50k
V=5
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