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Practical Instrument Electronics
Tel: 585.872.9350 • Fax: 585.872.2638 • [email protected] • www.piecal.com
Operating Instructions
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 Double Click 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
820PM to the output of the device matching polarity. 820PM to the input of the
device matching polarity. Connect the Red lead from jack (1) to the plus (+) input
and black lead from jack (2) to the minus (-) input.
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” on the display and the red OVERLOAD LED lit.
The PIE 820PM 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.
MAX
READ
MIN
READ
5
6
-
+
-
3 2
-2
Frequency Output Signal
Flowmeter
Flow Sensor
Variable Speed Drive
Controller
Transmitter
OFF
HI
SET
LO
SOURCE
Hz
820.00
2
+
-
1
Hz SYNC
PRACTICAL INSTRUMENT ELECTRONICS
MODEL 820PM
Process Calibrator
mA · V ∙ TC · Ω · RTD · Hz
Double Click
Menu
Push & Turn for
Fast Dialing
Push & Hold to
Store/Step
piecal.com
EZ-CHECK™
All mA∙ Read V
TC
Source & Read mV
Hz
Source V
RTD • Ohms
OVERLOAD
4
1
+
+1
