{"id":3211,"date":"2026-07-29T13:33:02","date_gmt":"2026-07-29T05:33:02","guid":{"rendered":"https:\/\/www.elecall.com\/?p=3211"},"modified":"2026-07-29T15:25:24","modified_gmt":"2026-07-29T07:25:24","slug":"why-is-the-max-scale-number-on-your-pressure-gauge-printed-upside-down-or-tilted-its-not-a-defect","status":"publish","type":"post","link":"https:\/\/www.elecall.com\/fr\/technical-topics\/why-is-the-max-scale-number-on-your-pressure-gauge-printed-upside-down-or-tilted-its-not-a-defect\/","title":{"rendered":"Pourquoi la valeur maximale de votre manom\u00e8tre est-elle imprim\u00e9e \u00e0 l'envers ou inclin\u00e9e\u00a0? (Ce n'est pas un d\u00e9faut\u00a0!)"},"content":{"rendered":"\n

When installing or reading a pressure gauge, have you ever noticed something strange about the final number on the dial?<\/p>\n\n\n\n

While zero and mid-range numbers (like 1, 2, or 3 MPa) sit upright or follow a natural angle, the maximum scale value<\/strong> (like 6, 10, or 16 MPa) at the far right often looks completely tilted, rotated, or even “upside down.”<\/p>\n\n\n\n

If your first reaction was to think, “Is this a printing error? Did I receive a defective product?”<\/em>\u2014you\u2019re not alone! Many engineers, maintenance workers, and inspectors run into this exact same puzzle.<\/p>\n\n\n\n

Here is the quick answer: No, your pressure gauge is not defective, and it was not printed wrong.<\/strong><\/p>\n\n\n\n

In fact, this “reversed” or rotated font alignment is an intentional, industry-wide ergonomic standard designed to make your job easier. Here is why pressure gauges are built this way and how this smart design helps you on the field.<\/p>\n\n\n\n

The Ergonomics Behind Arc-Shaped Dials<\/strong><\/h3>\n\n\n\n

To understand why the maximum pressure value looks rotated, take a look at the physical layout of a standard dial:<\/p>\n\n\n

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\"ELECALL<\/figure>\n<\/div>\n\n\n

Pressure gauge dials are curved. The scale moves along a circular arc from left to right\u2014starting at 0 on the lower-left and ending at maximum capacity on the lower-right.<\/p>\n\n\n\n

To maintain maximum legibility and minimize reading errors from various viewing angles, gauge manufacturers apply ergonomic font alignment principles<\/strong>:<\/p>\n\n\n\n