Tirohanga Whānui mō te Hua:
Ko te CODMn e pā ana ki te kukū papatipu o te hāora e rite ana ki te waikura e pau ana ina whakamahia ngā waikura kaha hei waikura i ngā mea rauropi me ngā matū whakaiti kore-rauropi i roto i ngā tauira wai i raro i ngā āhuatanga motuhake. He tohu nui te CODMn e whakaatu ana i te nui o te parahanga i puta mai i ngā mea rauropi me ngā matū whakaiti kore-rauropi i roto i ngā wai. Ka taea e tēnei tātari te mahi aunoa me te haere tonu me te kore e wawao ā-ringa i runga i ngā tautuhinga i te papaanga, he mea tino pai mō ngā tono pēnei i te aroturuki wai mata. I runga i te uaua o ngā āhuatanga whakamātautau i te papaanga, ka taea te whirihora i tētahi pūnaha maimoatanga-mua e rite ana hei whakarite i ngā tukanga whakamātautau pono me ngā hua tika, me te whakatutuki katoa i ngā hiahia o ngā āhuatanga mara rerekē.
Te Kaupapa Hua:
Ko te tikanga permanganate mō te COD e whakamahi ana i te permanganate hei ākena whakahāora. Ka whakamahanahia te tauira ki roto
he kaukau wai mō te 20 meneti, me te nui o te pāhare pākawa waro i pau i te pirau
Ko te nui o ngā matū koiora i roto i te wai para he tohu mō te nui o ngā parahanga i roto i te wai.
Ngā Tawhā Hangarau:
| Kāore. | Ingoa Whakatakotoranga | Tawhā Whakatakotoranga Hangarau |
| 1 | Tikanga Whakamātautau | Te Ine Whakapūngao Waikura o te Pāhare Pākawa Permanganate |
| 2 | Awhe Ine | 0~20mg/L (Ine wāhanga, ka taea te whakawhanui) |
| 3 | Tepe Kimi Iti | 0.05 |
| 4 | Whakataunga | 0.001 |
| 5 | Te tika | ±5%, 0.2mg/L rānei, ko tēhea te mea nui ake |
| 6 | Te āheinga ki te whakahoki anō | 5% |
| 7 | Kore Te Rerenga | ±0.05mg/L |
| 8 | Te Āputaputa o te Whānuitanga | ±2% |
| 9 | Huringa Ine | Ko te iti rawa o te huringa whakamātautau he 20 meneti;Te wā nakunaku ka taea te whakarerekē mai i te 5 ~ 120min i runga i te tauira wai tuturu |
| 10 | Huringa Tauira | Wā wā (ka taea te whakarerekē),i te hāora tonu, i whakaohohia rāneiaratau ine, ka taea te whirihora |
| 11 | Huringa Whakamātautau | Whakarerekētanga aunoa (1 ~ 99 rā ka taea te whakarite);Whakatakotoranga ā-ringaka taea te whirihora i runga i te tauira wai tuturu |
| 12 | Huringa Tiaki | Te wā tiaki >1 marama;ia wāhanga tata ki te 30 meneti |
| 13 | Te Mahi a te Tangata-Mīhini | Whakaaturanga mata pa me te whakauru whakahau |
| 14 | Tirotiro-ā-koe me te Tiakitanga | Te tātaritanga-ā-koe i te āhua o te taputapu;te pupuri raraunga i muri i tete rerekētanga, te ngoikore rānei o te hiko;te whakakore aunoa i ngā toenga ngā matū tauhohe me te tīmatanga anō o te mahi i muri i te tautuhi anō i te āhua rerekē, i te whakahokinga mai rānei o te hiko |
| 15 | Rokiroki Raraunga | Te kaha rokiroki raraunga 5-tau |
| 16 | Atanga Whakauru | Tāuru mamati (Pātene) |
| 17 | Atanga Putanga | 1x putanga RS232, 1x putanga RS485,2x 4~20mA putanga anaro |
| 18 | Taiao Whakahaere | Mō te whakamahinga o roto; te pāmahana e taunakitia ana 5~28°C; haumākū ≤90% (kore-whakapūmau) |
| 19 | Pūtake Hiko | AC220±10% V |
| 20 | Auautanga | 50±0.5 Hz |
| 21 | Te Whakamahinga Mana | ≤150W (haunga te papu tauira) |
| 22 | Ngā Ahu | 520mm (H) x 370mm (Wh) x 265mm (H) |











