Good equipment must be calibrated but only

Good equipment must be calibrated but only

TFA 45.2028 Thermo-Hygrometer meter (Misc.)

Customer Review

Have ordered hygrometer beside my 2 existing digital hygrometer (a also TFA) provided and be allowed to adjust a couple of hours.

The temperature now show all devices of the same. Only the humidity is at each other.

My new devices show 49 to 52% and are in the tolerance also specified by the manufacturer.
Unfortunately interpret my "older" digital hygrometer to a moist 44-45%.
According to the description they are aligned at the factory, but long dry storage and / or a rough shipping to change the setting.

Thus I have the new leave as directed in the instructions enclosed regeneration (for 1/2 hour to wrap in a wet towel).
After half an hour should appear 95-98%. For me, however, the pointer went on the scale to approximately 100-105% humidity.
Using a small screwdriver but you can re-adjust well on the back. What had made somewhat more difficult because of lying a bit deeper in the housing small screw and the harsh view of this as yet but is expected to create no problems.

After that I again waited half an hour wrapped in towel equipment.
Again, the pointer went on the scale. After a further adjustment I let one day air-conditioning next to each other.

Now the hoped-for effect ceased and all run synchronously to 1-2% deviation.

Conclusion: Good hygrometer with some home Readjustment necessary.

Fits, sits, looks good ... Rank: 5/5
March 21
Micha Rank: 5/5
January 18
The bottom 4 Rank: 4/5
February 2
Great product 156 1 Rank: 5/5
October 10

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