Mita mai narkewar iskar oxygen mai ɗaukuwa ta DOS-1703 ta yi fice wajen aunawa da sarrafa na'urar sarrafa ƙananan ƙarfin lantarki, ƙarancin amfani da wutar lantarki, babban aminci, aunawa mai wayo, amfani da ma'aunin polagraphic, ba tare da canza membrane na iskar oxygen ba. Kasancewar ingantaccen aiki mai sauƙi (aiki ɗaya), da sauransu; na'urar na iya nuna yawan iskar oxygen da aka narkar a cikin nau'ikan sakamakon aunawa guda biyu, mg / L (ppm) da kashi na cikar iskar oxygen (%), ban da haka, auna zafin jiki na matsakaicin da aka auna a lokaci guda.
| Kewayon aunawa | DO | 0.00–20.0mg/L | |
| 0.0–200% | |||
| Zafi | 0…60℃(ATC/MTC） | ||
| Yanayi | 300–1100hPa | ||
| ƙuduri | DO | 0.01mg/L,0.1mg/L(ATC)） | |
| 0.1%/1%(ATC)） | |||
| Zafi | 0.1℃ | ||
| Yanayi | 1hPa | ||
| Kuskuren auna na'urar lantarki | DO | ±0.5% FS | |
| Zafi | ±0.2 ℃ | ||
| Yanayi | ±5hPa | ||
| Daidaitawa | A mafi yawan maki 2, (ruwa tururin iska mai cike da iska/babu iskar oxygen) | ||
| Tushen wutan lantarki | DC6V/20mA; 4 x AA/LR6 1.5 V ko NiMH 1.2 V kuma ana iya caji | ||
| Girman/Nauyi | 230×100×35(mm)/0.4kg | ||
| Allon Nuni | LCD | ||
| Mai haɗa firikwensin shigarwa | BNC | ||
| Ajiye bayanai | Bayanan daidaitawa； Rukunin bayanai na aunawa guda 99 | ||
| Yanayin aiki | Zafi | 5...40℃ | |
| Danshin da ya dace | 5%…80% (ba tare da danshi ba) | ||
| Shigarwa matakin | Ⅱ | ||
| Matsayin gurɓatawa | 2 | ||
| Tsayi | <=mita 2000 | ||
Iskar oxygen da aka narkar da ita ma'auni ne na adadin iskar oxygen da ke cikin ruwa. Ruwa mai lafiya wanda zai iya tallafawa rayuwa dole ne ya ƙunshi iskar oxygen da aka narkar (DO).
Iskar oxygen da ta narke tana shiga ruwa ta hanyar:
shan kai tsaye daga yanayi.
saurin motsi daga iska, raƙuman ruwa, kwararar ruwa ko iska ta injina.
photosynthesis na rayuwar tsirrai a cikin ruwa a matsayin sakamakon aikin.
Auna iskar oxygen da aka narkar a cikin ruwa da kuma magani don kiyaye matakan DO masu dacewa, muhimman ayyuka ne a aikace-aikacen sarrafa ruwa daban-daban. Duk da cewa iskar oxygen da aka narkar yana da mahimmanci don tallafawa rayuwa da hanyoyin magani, yana iya zama illa, yana haifar da iskar oxygen wanda ke lalata kayan aiki da kuma lalata samfurin. Iskar oxygen da ta narke tana shafar:
Inganci: Yawan ruwan da ake samu daga DO yana tantance ingancin ruwan da ake samu daga tushen sa. Idan babu isasshen DO, ruwa yana yin ƙazanta kuma yana shafar ingancin muhalli, ruwan sha da sauran kayayyaki.
Bin ƙa'idodi: Domin bin ƙa'idodi, ruwan sharar gida sau da yawa yana buƙatar samun wasu tarin DO kafin a iya fitar da shi zuwa rafi, tafki, kogi ko hanyar ruwa. Ruwa mai lafiya wanda zai iya tallafawa rayuwa dole ne ya ƙunshi iskar oxygen da aka narkar.
Kula da Tsarin Aiki: Matakan DO suna da matuƙar muhimmanci wajen kula da maganin sharar gida na halittu, da kuma matakin tace ruwa na biofiltration na samar da ruwan sha. A wasu aikace-aikacen masana'antu (misali samar da wutar lantarki), kowane DO yana da illa ga samar da tururi kuma dole ne a cire shi kuma dole ne a kula da yawansa sosai.
