The accuracy of the Preciva Digital Psychrometer Thermo-Hygrometer is a bit of a mixed bag, based on what we've found.
It's pre-calibrated by the manufacturer, so there's no option for you to calibrate it yourself. It uses a semiconductor sensor to measure temperature, humidity, dew point, and wet bulb temperature, which makes it usable in various settings like industrial, agricultural, and meteorological ones.
From our research, many folks seem to find it pretty accurate and reliable for general uses, like home or basic industrial environments.
But some have noticed that it can be off when compared to high-end models. For instance, there are reports of the relative humidity readings being about 3-10% higher than with other brands, indicating some inconsistency.
Since you can't tweak the calibration, if you're in a situation where spot-on accuracy is crucial—like detailed HVAC or meteorological work—it might be helpful to compare its readings with a more trusted device.
Having another calibrated tool on hand can really help validate what you're seeing.
For most day-to-day uses, like keeping an eye on your home's conditions or handling basic industrial checks, the pre-calibration should suffice.
But if you need to be super precise, it wouldn't hurt to occasionally double-check its results with more precise instruments.
Just keep an eye on those humidity readings, as that's where people have noticed the most variation.
