Practical instrument electronics, Measuring frequencies, Totalize (count pulses) – Practical Instrument Electronics 541 User Manual
Page 6
Practical Instrument Electronics
82 East Main Street Suite 3.14 • Webster, NY 14580 Tel: 585.872.9350 • Fax: 585.872.2638 • [email protected] • www.piecal.com
Page 6
READ
Choose this function to measure frequency from flow, vibration sensors or frequency outputs.
1) Disconnect the frequency sensor from any
other device.
2) Press and release READ/GATE TIME Key
t
to
step through the read ranges.
3) Connect the 541 to the output of the device to be
calibrated.
4) Turn the EZ-Dial knob
u
to adjust the trigger
level of the 541. The LED will light when the 541
locks onto the input signal indicating that it is
properly detecting the signal.
Measuring Frequencies
SOURCE
CPH 1 - 20000
20000
HI
Choose this function to verify that parts counters or totalizers are working correctly.
1) Disconnect the frequency sensor from any other device.
2) Press and release READ/GATE TIME key
t
to step through the read ranges until TOTALIZER appears on
the display.
3) Press and hold the READ/GATE TIME key to enable time adjustment. Turn the EZ-Dial knob
u
to
adjust the totalize time from 1 to 100 minutes. Press and release the READ/GATE TIME or STORE/CLEAR
button to save your selection.
3) Connect the 541 to the output of the device to be calibrated.
4) Turn the EZ-Dial knob
u
to adjust the trigger level of the 541. The LED will light when the 541 locks onto
the input signal indicating that it is properly detecting the signal.
5) Press the EZ-Step push-button
q
like a stop watch to start totalizing.
The word RUN will appear on the display and the 541 displays increments with each pulse while the
totalizer is running. When the selected number of seconds has elapsed the word STOP appears on
the display and the total number of pulses counted during the time appears on the display.
Press the EZ-Step push-button
q
like a stop watch to stop or re-start totalizing.
Note: If you are using the Totalizer functions for over 30 minutes you should set AUTO OFF to OFF
(see Configure the Calibrator on page 3).
Totalize (Count Pulses)