Review on π Enhance Your Display Quality with 7Pros Backlight Resolution Calibration Measurement by Mark Kolipano
Useful for my needs
So far so good. I've found that it's better to wait a minute for the reading to stabilize and then slowly turn the screwdriver until the numbers match the calibration solution value. A few days later I compared the meter to the calibration solution and it was still calibrated. I use my hydroponics test gauge and it works well - accurate enough for my needs.
- BACKLIGHT LCD: With backlit display, future tests can also be done in the dark
- Not sure
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