Frequency Measurement; Hold Function; Data Logger; Backlight - PCE Instruments PCE-CM 40 User Manual

5.4

Frequency measurement

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Switch on the meter.
•
Open the Rogowski coil and place it around the conductor to be measured. Pay
attention to the direction of flow (arrow on the coil handle), close and lock the coil again.
•
Position the coil so that the conductor is as central as possible in the coil.
•
The measuring error may increase if the conductor is not centred.
•
Press the "Hz" key.
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The frequency is shown on the display.
•
Press the "Hz" key to return to normal measuring mode.
•
After the measurement, switch off the meter by holding down the "ON" key.
5.5

Hold function

This function allows you to freeze the value currently shown on the display.
•
Press the "HOLD" key during the current or frequency measurement.
•
Press the "HOLD" key again to return to measuring mode.
5.6

Data logger

With the logger function, you can save the measured values to the device and transfer them to
the app (Meterbox Pro) via Bluetooth.
•
Press the "LOG" key to start data recording.
•
Press the "LOG" key once more to end data recording.
•
Press and hold the "HOLD (Bluetooth)" key until the Bluetooth icon appears at the top
right of the display.
•
To transfer the saved data to the app, press and hold the "LOG" key until the display
shows "Send". The saved data is transmitted.
Attention! After the data transfer, the Bluetooth mode is automatically exited.
•
To exit Bluetooth mode manually, press and hold the "HOLD (Bluetooth)" key once
more.
5.7

Backlight

•
Press the "Backlight" key to switch on the backlight.
•
Press the key again to switch off the backlight.
© PCE Instruments
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