Seaward Power Clamp - Manual (Page 27)

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(4) Frequency
Function Range Accuracy
20.00 ~ 99.99Hz
± (0.5% + 3dgt) 20.0 ~ 999.9Hz
0.020 ~ 9.999KHz
Frequency
Overload protection : 1000 V
rms
/ 600 A
rms
Sensitivity :
10~100Vrms for AC 100V range
10~100Arms for AC 100A range ( >400Hz Unspecified)
100~1000Vrms for AC 1000V range
100~600/1000Arms for AC 600A/1000A range
( >400Hz Unspecified)
- Reading will be 0.0 for signals below 10.0 Hz.
(5) Total Harmonic Distortion :
Function Range Accuracy
ACA /ACV 99.9% ± (3.0% + 10dgt)
Harmonic distortion measurement :
Harmonic order Range Accuracy
H01 ~ H12 ± (5% + 10dgt)
H13 ~ H25 ± (10% + 10dgt)
99.9%
Overload protection : 1000 V
rms
/ 600 A
rms
－ If ACV<10Vrms or ACA <10Arms, it will display “rdy”.
－ If the fundamental frequency out of range 45 ~ 65Hz, it will
display “out.F”.