visiirjoon

substantive

Terminological databases

ID 718330 Last modified 30.12.2004

Domain measuring instruments

visiirjoon

hair-line preferred

hairline

Haarstreich (Anriß)

a fine straight line in the optical system of an instrument; used for the positive location of an image or correlation onto a measuring scale

visiirjoon

hair-line preferred

Usage examples

On some automatic instruments this temperature may be observed on the digital read-out; on manual instruments the necessary precision is achieved by ensuring that freezing starts when the galvanometer pointer or hair-line coincides with the appropriate mark.

hairline

Haarstreich (Anriß)

ID 629088 Last modified 13.05.2024

Domain metrologymeasuring instruments

visiirjoon

crosshair preferred

cross hair

hair line

peenete joonte või märgistuste mustri joon, mis on sisse ehitatud optilise seadme okulaari, näiteks teleskoopsihiku, teodoliidi, optilise mikroskoobi või ostsilloskoobi ekraanile, et saada visuaalsete vaatluste ajal mõõteviiteid

line of reticule that is a pattern of fine lines or markings built into the eyepiece of an optical device such as a telescopic sight, spotting scope, theodolite, optical microscope or the screen of an oscilloscope, to provide measurement references during visual inspections

visiirjoon

Usage examples

Visiirjooni kujutatakse tavaliselt kahe ristikujulise joone paarina, kuigi on olemas palju visiirjoonte lisafunktsioonide variatsioone, sealhulgas punktid, postid, kontsentrilised ringid, hobuserauad, gradueeritud märgised või ülalmainitute kombinatsioon.

crosshair preferred

Usage examples

Crosshairs are typically represented as a pair of perpendicularly intersecting lines in the shape of a cross, though many variations of additional features exist including dots, posts, concentric circles/horseshoes, chevrons, graduated markings, or a combination of above.

cross hair

hair line

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