8 Fluke Corporation Fluke 345 Power Quality Clamp Meter
Kilowatt hour (kWHr)
Measuring range 40,000 kWHr
Autorange facility 1 kWHr, 40 kWHr, 400 kWHr, 4,000 kWHr, 40,000 kWHr
Resolution 1 WHr in 4 kWHr
10 WHr in 40 kWHr
100 WHr in 400 kWHr
1 kWHr in 4,000 kWHr
10 kWHr in 40,000 kWHr
Accuracy
kWHr > 2 kWHr ± 3 % ± 5 digits
kWHr < 2 kWHr ± 0.08 kWHr
All Watts /VA /VAR /PF measurements
Frequency range DC and 15 Hz to 1 kHz
Current range 10 A to 1400 A rms
Voltage range 1 V to 825 V rms
Maximum input 825 V rms/1400 A rms
Maximum overload 1000 V rms/10,000 A
Frequency measurement (from current or voltage sources)
Measuring range 15 Hz to 1 kHz
Resolution 0.1 Hz
Accuracy 15 to 22 Hz ± 0.5 % rdg
40 Hz to 70 Hz ± 0.5 % rdg
15 Hz to 1000 Hz ± 1% rdg
Current range 10 A to 1400 A rms
Voltage range 1 V to 825 V rms
Scope function
Current measurement
Ranges 10 A/20 A/40 A/100 A/200 A/400 A/1000 A/2000 A
Resolution 1 A in 40 A
10 A in 400 A
50 A in 2000 A
Accuracy ± 3 % rdg ± 1 pixel
Maximum overload
10,000 A
Voltage measurement
Ranges 4 V/10 V/20 V/40 V/100 V/200 V/400 V/1000 V
Resolution 100 mV in 4 V
1 V in 40 V
10 V in 400 V
31.25 V in 1000 V
Accuracy ± 2 % rdg ± 1 pixel
Maximum overload
1000 V rms
Frequency range DC and 15 Hz to 600 Hz
Time base 2.5 ms, 5 ms, 10 ms, 25 ms, 50 ms/div
Refresh rate 0.5 seconds
Maximum sampling rate 15.625 kHz
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