Datasheet

8
U1451A/U1452A/U1452AT earth bond resistance specifications
Earth-bond resistance specifications with accuracy of ± (% of reading + number of least significant digit)
1, 2
Accuracy
Range Resolution U1451A U1452A/U1452AT Open circuit voltage
60 Ω 0.01 Ω 1.5% + 3 1.0% +3 > 4 V and < 7 V
600 Ω 0.1 Ω 1.5% + 3 1.0% +3
6 kΩ 0.001 kΩ 1.5% + 3 1.0% +3
60 kΩ 0.01 kΩ 1.5% + 3 1.0% +3
1. The following statements are true for earth-bond resistance tests:


2. The accuracy is specified after the Null function is used to subtract the test lead resistance and thermal effect (by shorting the test leads)
U1453A/U1461A earth bond resistance specifications
Earth-bond resistance specifications with accuracy of ± (% of reading + number of least significant digit)
1
Range Resolution Accuracy Open circuit voltage
6 Ω
2
0.001 Ω 0.5% + 20 > 4 V and < 7 V
60 Ω
2
0.01 Ω 0.5% + 2
600 Ω
2
0.1 Ω 0.5% + 2
6 kΩ 0.001 kΩ 0.5% + 2
60 kΩ 0.01 kΩ 0.5% + 2
1. The following statements are true for earth-bond resistance tests:


2. The accuracy of the 6 to 600 Ω range is specified after the Null function is used to subtract the test lead resistance and thermal effect (by shorting the test leads)