AEMC 6418, Руководство пользователя

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Clamp-On Ground Tester Model 6418
19
Specified
measurement
range
150 to
245Ω
250 to 440Ω 450 to
640Ω
650 to
1200Ω
Resolution (ct) 5 Ω 10 Ω 10 Ω 50 Ω
Intrinsic
uncertainty ( δ )
± (5%R +
2 ct)
± (10%R +
2 ct)
± (15%R +
2 ct)
± (20%R
+ 2 ct)
No-load voltage ≤ 45 mV to 2083 Hz
3.2.2 CURRENT MEASUREMENTS
Particular conditions of reference
Frequency of the signal 47 to 800Hz
Specified
measurement
range
0.500 to
9.950mA
10.00 to
99.90mA
100.0 to
299.0mA
0.300 to
2.990A
Resolution (ct) 50 µA 100 µA 1 mA 10 mA
Intrinsic
uncertainty (
δ
)
± (2%R +
200 µA)
± (2%R + 1 ct) ± (2%R +
1 ct)
± (2%R +
1 ct)
Specified measurement range 3.00 to 20.00 A
Resolution (ct) 100 mA
Intrinsic uncertainty (
δ
) ± (2%R + 1 ct)
Beyond 20A and 800Hz, the clamp may overheat dangerously.
3.2.3. STORAGE
Number of records: 300.
3.3. INFLUENCES
Z = impedance
I = current
δ
= intrinsic uncertainty given in §3.2.
ct = resolution given in §3.2.