Seaward Power Clamp - Manual (Page 14)

13
LPF (AC mode only)
Select the "LPF" indicator then press the navigator key to
eliminate high frequency noise.
"LPF"
ENTER
NOTE :
Peak Hold, Inrush, THD, HZ, individual Harmonic and LPF
mode are only available in AC mode.
Measuring Active power(W)/Power factor(PF)
1.Single Phase Power Measurement
Step1. Set the rotary switch to the "W" position.
Step2. Connect the Red test lead to the L, and the Black test
lead to the N.
Step3. Press the trigger to open the transformer jaws and clamp
one conductor only, make sure that the jaw is firmly
closed around the conductor.
Step4. Using the Navigator key to choose the "W/PF" mode.
NOTE :
- The “ + ” symbol on the jaw must face on the power source
side.
- In AutoSense mode, The meter will displays ACW/DCW
depends on if there has AC frequency been detected.
Active power sign :
No sign : Indicates the power flows from the power source to
the load.
"_" sign : Indicates the power flows from the load to the
power source.