Pr eliminar y – Practical Instrument Electronics 850 User Manual

Page 34

Advertising
background image

Page 32

Pr

eliminar

y

Read Frequency

Choose this function to count frequency.

Move the power switch

w

to READ then Double Click the

EZ-DIAL knob to get into the Menu. Turn the knob to scroll
through the settings and press the knob to make your selection.
Select FREQ for the FUNCTION and 20KHZ, 10000HZ, 1000HZ
or 2000CPM for the RANGE.

Disconnect all input wires from the devices to be calibrated and
connect the PIE 850 to the output of the device matching
polarity.

The green HZ SYNC LED pulses in synch with the input
frequency.

Signals above the maximum scale are limited by protection
circuitry with “OVER RANGE” flashed on the display and the red
OVERLOAD LED lit.

The PIE 850 measures the input signal and constantly updates
the display with the current reading. Move the EZ-CHECK switch

q

to MAX to see the highest reading and to MIN to see the

lowest reading. Press and hold the knob

e

to clear the MAX and

MIN readings.

T/C

All mA∙ Read V

-

2

3

RTD

RTD

6

5

4

+

Source & Read Hz∙ mV

Source V∙ pH

-

+

1

-

Frequency Output Signal

Flowmeter

Flow Sensor

Variable Speed Drive

Controller

Transmitter

830.00

Hz

2 1

+

-

All Frequency

Connections

Advertising