Prostat PFK-100, User Manual

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19
Rev. 6 / July 16, 2020
PFK-100 Field Meter Set
1.
PFM-711A Controls
The PFM-711A has two switches and a rotary knob. A three-posi on slide switch (S1) pro-
vides Range Selec ons and
ON/OFF control. A push bu on switch (S2) provides SAMPLE/
HOLD selec on. A rotary ZERO adjust control (R16) is also provided. The SAMPLE/HOLD
push bu on switch has two posi ons; depressing the bu on latches it into the lower
Sample posi on. Pressing it again releases it into its upper
HOLD posi on. The ZERO knob
may be turned to the le or right to change the zero se ng of the display. The unit must
be operated while grounded.
2.
Turning the PFM-711A Field Meter ON and OFF
Push the slide switch Range/Power (S1) to its upper posi on (towards the display) to
select
kV/inch . The display will come ON, a decimal point will be displayed, and the meter
will measure up to 19.99kV at one inch in 10 volt increments. Placing the slide switch in
the lower posi on will select
V/inch . There will be no decimal point in the display and
the meter will measure up to 1999 volts on one inch, in one volt increments. Moving the
switch to its center posi on will turn the meter OFF.
3.
Install the CPM-720A Charge Plate Assembly
Note that the PFM-711A meter case has two slots along its sides. The LOWER slot is
toward the bo om of the case. The Charge Plate Assembly has two func onal plates, an
isolated upper sensing plate and grounded lower plate. To install the Charge Plate Assem-
bly on the meter, slide the lower plate assembly into the LOWER slot of the meter case as
far as it will go.
DIGITAL DISPLAY
ANALOG OUTPUT
RANGE/POWER SWITCH (s1)
PANEL ZERO (r16)
INTERNAL ZERO
ADJUSTMENT (r27)
INTERNAL GAIN
ADJUSTMENT (r10)
SAMPLE/HOLD
BUTTON (s2)