YOKOGAWA HANDY CAL CA51, Руководство пользователя

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5-8
IM CA71-E
5.5 Measuring Frequency or Pulses
5.5.1 Operating the Calibrator for Frequency Measure-
ment
Step 1: Using the function selector switch, select .
Step 2: Using the key, select 100 Hz, 1000 Hz or 10 kHz.
Pressing the key cycles through the 100 Hz, 1000 Hz, 10 kHz,
CPM and CPH options. Note however that the range reading
of the LCD is given as shown below (when no signal is
present).
LCD Reading Range
100Hz
1000Hz
10kHz
5.5.2 Operating the Calibrator for Measuring Number
of Pulses
The CPM option in this measurement counts pulses per minute, while
the CPH option counts pulses per hour.
Step 1: Using the function selector switch, select .
Step 2: Using the key, select either CPM or CPH. Pressing the
key cycles through the 100 Hz, 1000 Hz, 10 kHz, CPM and
CPH options.
Step 3: The indicator turns on and the calibrator goes into a
standby-for-counting state. The calibrator begins counting
pulses the moment the key is pressed to cancel the hold
state.
5.5 Measuring Frequency or Pulses