Tonghui TH2523/A - Measurement Accuracy Specifications

TH2523 Series Operation Manual Ver1.2
36
5.2.4 Measurement Accuracy
Measurement accuracy depends on measurement stability, temperature coefficient, linearity,
repeatability and correction interpolation error.
Checking the measurement accuracy should be taken under the following circumstances:
a． Warm-up time should be more than 30 minutes.
b． Correctly short the test cables and reset the instrument by pressing the REL
button on the front panel.
The correct short of the test cable is as follows:
Red Black
White Blue
5.2.5 Basic Accuracy for │Z│, L, R, X Measurement
The following two tables display the basic accuracy of │Z│ at SLOW, MED and FAST.
SLOW, MED: (acquiring the basic accuracy at the temperature of 20ºC±5 ºC; the temperature
coefficient plus ±0.05%/ ºC.)
Model: TH2523 /TH2523A
Display Digits: 5
Range
|Maximum
display value|
Resolution
Measurement
constant current
Accuracy for 6
months
Accuracy for one
year
30 mΩ
33.000 mΩ
1 μΩ
100mA (±10%)
±（0.3%Rdg +
0.01%Fs）
±（0.6%Rdg +
0.01%Fs）
300 mΩ
330.00 mΩ
10 μΩ
100mA (±10%)
±（0.1%Rdg +
0.01%Fs）
±（0.3%Rdg +
0.01%Fs）
3 Ω
3.3000 Ω
100 μΩ
10mA (±10%)
30 Ω
33.000 Ω
1 mΩ
1mA (±10%)
300 Ω
330.00 Ω
10 mΩ
100μ A (±10%)
3 kΩ
3.5000 kΩ
100 mΩ
10μ A (±10%)