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19
READ FUNCTIONS
Select read by pressing the DISPLAY/SOURCE/READ
pushbutton until the word READ appears on the LCD display. The
READ functions measure the desired signal. Multiple scales are
available for some functions.
MIN/MAX
To read the Maximum or Minimum INPUT
since READ mode was entered, simply
press the MAX or MIN push-button. The
value will appear on the LCD along with the
word MAX or MIN. The MAX/MIN values
are automatically updated and may be
viewed at any time without interrupting the
other values.
RESTARTING MIN/MAX
Pressing the STORE/RESET push-button
will cause the 830-KP to store the present
reading into the MAX and MIN memories.
Upon releasing the STORE/RESET push-
button the 830-KP will resume reading the
input and update the MAX & MIN values as
the measured signal changes.
OUT OF RANGE SIGNALS
Signals above or below those available for
the currently selected range will be indicat-
ed by OVER and UNDER on the display.
OPERATING INSTRUCTIONS
OVER
UNDER
18
CALIBRATE FREQUENCY INPUTS
Choose this function to provide pulses into frequency measuring
instruments. The 830-KP output is a zero crossing square wave
from -1V to +5V amplitude. Available ranges are from 0.01 to
10.00 kHz, 1 to 1000 Hz and from 1 to 1000 CPM (Counts-Per-
Minute).
CPM is used to simulate extremely slow frequency signals with
greater resolution. For example, 10 Hz is equivalent to 600 CPM.
To convert from CPM to Hz Divide by 60. To convert from Hz to
CPM multiply by 60.
1) Disconnect one or both input wires from the device to be
calibrated
2) Press the FREQUENCY/PRESSURE pushbutton until any
frequency signal (KHz, Hz or CPM) appears on the display.
3) Press the DISPLAY/SOURCE/READ push-button until SOURCE
and KHz, Hz or CPM appear on the display
4) Press the TYPE/ENG UNITS pushbuuton to select between KHz,
Hz or CPM on the display
5) Connect the red SOURCE lead of the calibrator to the plus (+)
input of the device and the black SOURCE lead to the minus (-).
Output frequency is continuously adjustable with the UP/DOWN
push-buttons. Zero & Span (or any other values) are available by
using the LO and HI "QUIK-CHEKs"
OPERATING INSTRUCTIONS
Frequency Receiver Input
Flowmeter
Controller
Transmitter
Computer
Logger
DCS