1. gauges je Bourdon tube be cross-sectional tu'lu'bej (batlhchaj are HapwIj, round je oval) wanHa' "[" taH tu'lu'bej, 'ej be elasticityof ghom tube-tu'lu'bej wepDaj joH rop Sa'. vaj wepDaj mach je, joH rop gauge accuracy laH Sov wIHutlh 'oH.
2. permissible Qagh gauge joH rop, indication exceeds lo'laHghach adjustment screw vaj tI' SoH Hoch cha' qaStaHvIS raSDaq, 'IjmeH lo'laHghach adjustment screw wej raSDaq, laH neH tu' raS 'e' ineligible.
3. joH rop gauge, dial mI' 'ej Degh vaj naQmoH wanI'mey 'ej HuvchoH. vaj pImbe'DI' distributed dial index Do che'wI' 'oH je central tajvaj 270 °, vaj inserted joH rop gauge pointer vaj bertlham width interval vaj wej matay'DI' law' minimum qechmeyDaj Huj 1 ghap 5 nitlhDaj lo'taHvIS boQwI'vaD tu'moH Hoch tlhegh 'emvo' pointer. vaj jengva' chuq SabtaHbogh planes indexing pointer 1 qaStaHvIS ~ mm case od 200 mm, (200 mm DaH nobvam) range 3, vaj DuqIppu'chugh pointer index jengva' HapwIj chuq neH 2 ~ 4 mm range.
4. prescribe tolerance vaj wej exceed "contracted joH rop gauge je QoQ 'IH lIng 'emDaq, Hutlh joH rop vacuum pointer close to 'emDaq, pagh".
5. joH rop gauge vay' internal lopno' case againstpollution QaD, vaj equipped joH rop gauge je Hung qung, Hung qung dust-tob jan poQ.
6. [gauge joH rop digital legh overall tlham rationality, selectedmaterials, aging va 'ay', such as stability nI'taHvIS. ghaHDaq BERNARDO.
