Fluke 1630-2, Руководство по калибровке

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Earth Ground Clamp
General Specifications
5
General Specifications
Conductor Size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 mm approximately
Dimensions (L x W x H) . . . . . . . . . . . . . . . . . . . . . . . . 283 mm x 105 mm x 48 mm
Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 880 g
Ground Loop Resistance
Frequency of measurement: 3.333 kHz.
AC Leakage Current mA
True rms, crest factor CF
≤
3
Range
Accuracy [1]
± (% of r Ω )
0.025
Ω
to 0.249
Ω
1.5 %
+
0.020
Ω
0.250
Ω
to 0.999
Ω
1.5 %
+
0.050
Ω
1.000
Ω
to 9.999
Ω
1.5 %
+
0.100
Ω
10.00
Ω
to 49.99
Ω
1.5 %
+
0.30
Ω
50.00
Ω
to 99.99
Ω
1.5 %
+
0.50
Ω
100.0
Ω
to 199.9
Ω
3.0 %
+
1.0
Ω
200.0
Ω
to 399.9
Ω
5.0 % + 5.0 Ω
400
Ω
to 599
Ω
10.0 % + 10 Ω
600
Ω
to 1500
Ω
20.00 %
[1] Loop resistance with no inductance, conductor centered.
Range Resolution
Accuracy [1]
± (% of r mA)
0.200 mA to 3.999 mA 1
μ
A 2.0 % + 0.05 mA
4.00 mA to 39.99 mA 10
μ
A 2.0 % + 0.03 mA
40.0 mA to 399.9 mA 100
μ
A 2.0 % + 0.3 mA
0.400 A to 3.999 A 1 mA 2.0 % + 3 mA
4.00 A to 39.99 A 10 mA 2.0 % + 30 mA
[1] Applies to signal frequency:
• 40 Hz to 1 kHz with Filter set to OFF
• 40 Hz to 70 Hz with Filter set to ON