PQube User Manual 2.1
Page 44 of 113
You can safely remove the SD memory card from your PQube when you see this screen
with a green check mark. Remove the SD card by pressing it down gently, then let it pop up.
Your PQube will automatically reset when you re-insert a SD card.
Inserting and Removing Your SD Card
To insert the SD card, push it gently into the slot until it clicks. Your PQube will
automatically reset itself.
To remove the SD card, go to the menu screen and select “Remove
SD Card”. Wait until you see a green check mark, then push the SD
card in gently, then release. Removing the SD card before you see
the green check mark may corrupt the data on the SD card.
There is a light next to the SD card.
Orange or intermittent
red
PQube is writing to SD card – do not remove it. Wait
until light is green.
Different brands of SD cards have substantially different speeds. Your PQube requires Sandisk
®
brand SD cards, purchased directly from Power Standards Lab. Your PQube supports SD cards with
capacities of up to 8 Gigabytes.
When your SD card becomes nearly full, your PQube will automatically delete the oldest month of
data. However, if you wish to preserve your old data, you can choose to stop recording data when
the SD card nears full capacity by editing the Behavior_When_SD_Card_is_Full tag in your Setup.ini
file.
What Channels Does My PQube Measure?
Standard PQube Channels
Mains AC voltage measurements
Nominal voltages
All PQubes measure single-phase and three-phase voltages.
All PQubes can be connected to single-phase, split-single-phase, delta, wye or star. In addition, all
PQubes can be connected to any standard earthing system: corner earth, center earth, or single-
phase end earth.
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