Ƙaramin girma, tsawon lokacin lura, da kuma sadarwa ta ainihin lokaci.
| Sigar Ma'auni | Nisa | Daidaito | Kudurori |
| Tsawon raƙuman ruwa | 0m~30m | ±(0.1+5%﹡ aunawa) | 0.01m |
| Lokacin raƙuman ruwa | 0s~25s | ±0.5s | 0.01s |
| Alkiblar raƙuman ruwa | 0°~359° | ±10° | 1° |
| Sigar raƙuman ruwa | Tsawon raƙuman ruwa 1/3 (tsawon raƙuman ruwa mai tasiri)、lokacin raƙuman ruwa 1/3 (lokacin raƙuman ruwa mai tasiri); Tsawon raƙuman ruwa 1/10、lokacin raƙuman ruwa 1/10; matsakaicin tsayin raƙuman ruwa, matsakaicin lokacin raƙuman ruwa; matsakaicin tsayin raƙuman ruwa、lokacin raƙuman ruwa mai ƙarfi;alkimar raƙuman ruwa. | ||
| Lura: 1. Sigar asali tana goyan bayan tsayin raƙuman ruwa mai tasiri da kuma fitowar lokacin raƙuman ruwa mai tasiri. 2. Sigar da aka saba da kuma ta ƙwararru tana tallafawa tsayin raƙuman ruwa 1/3 (tsawon raƙuman ruwa mai tasiri) , lokacin raƙuman ruwa 1/3 (lokacin raƙuman ruwa mai tasiri); tsayin raƙuman ruwa 1/10, fitowar lokacin raƙuman ruwa 1/10; matsakaicin tsayin raƙuman ruwa, matsakaicin lokacin raƙuman ruwa; matsakaicin tsayin raƙuman ruwa, matsakaicin lokacin raƙuman ruwa; alkiblar raƙuman ruwa. 3. Sigar ƙwararru tana goyan bayan fitowar bakan raƙuman ruwa. | |||
Zafin saman, gishiri, matsin lamba na iska, sa ido kan hayaniya, da sauransu.