ʻO RS485 ka mea hoʻomaʻamaʻa lepo akamai no ka ʻōnaehana nānā ʻāina akamai
Wehewehe Huahana
ʻO ka hoʻoholo wikiwiki ʻana i nā mea ʻike lepo lepo no ka mahiʻai e koi ʻia i nā māla o ka mālama ʻana i ka lepo a me ka mālama ʻana i ka wai, ka nānā ʻana i ka hydrological lepo, ka ʻōnaehana nānā ʻāina akamai, ka hana mahiʻai kūpono a me ka irrigation.
ʻO nā ʻano hoʻoholo e pili ana i ke ʻano hoʻomaloʻo, ke ʻano ray, ke ʻano waiwai dielectric, ke ʻano resonance magnetic nuclear, ke ʻano tracer hoʻokaʻawale a me ke ʻano ʻike mamao.I waena o lākou, ʻo ke ʻano hana dielectric kahi ana indirect ma muli o nā waiwai dielectric o ka lepo, hiki ke hoʻomaopopo i ke ana wikiwiki a me ka luku ʻole o ka lepo lepo.
ʻO ka mea kikoʻī, hiki ke hoʻokaʻawale ʻia ka mea ʻike lepo akamai i ka manaʻo TDR noʻonoʻo domain manawa a me ke kumu hoʻohālikelike FDR.
ʻO MTQ-11SM series moisture sensor he dielectric sensor e pili ana i ke kumu o ka noʻonoʻo pinepine FDR.Hiki iā ia ke ana i ka loli o ka capacitance ma ka sensor ma 100MHz frequency e ana i ka dielectric mau o ka mea hoʻokomo.No ka mea, he kiʻekiʻe loa ka dielectric mau o ka wai (80), ʻo (3-10) ka lepo.
No laila, i ka wā e loli ai ka makū o ka lepo, e loli nui ka dielectric o ka lepo.ʻO kēia pūʻulu o ka mea ʻike wai irrigation e hōʻemi i ka mana o ka hoʻololi ʻana o ka mahana ma ke ana.Hoʻohana ʻia ka ʻenehana kikohoʻe a me nā mea paʻa paʻa, i loaʻa ka pololei o ke ana kiʻekiʻe a me ke kumu kūʻai haʻahaʻa.Hiki i ka mea ʻike ke nānā mau i ka wai i loko o nā ʻāpana laʻana a me nā hohonu lepo ʻokoʻa no ka manawa lōʻihi.
Nā mea nui
● Ke ana ʻana i ka maʻiʻo wai volumetric lepo ma ka 200 kenimika ākea a puni ka ʻimi
● Hoʻolālā o 100 MHz kaapuni no ka mea ʻike wai lepo
● Haʻahaʻa haʻahaʻa i loko o ka paʻakai kiʻekiʻe a me ka lepo cohesive
● Pale pale kiʻekiʻe (IP68) no ke kanu lōʻihi i ka lepo
● Hāʻawi uila ākea, hoʻoponopono laina ʻole, pololei kiʻekiʻe a paʻa
● Ka liʻiliʻi liʻiliʻi, ke kaumaha māmā a me ka hoʻokomo maʻalahi
● ʻO ka hoʻolālā ʻana i ka hoʻomake ʻana i ka uwila ikaika, ʻoki pinepine a me ka hiki ke anti-jamming
● Hoʻololi a me ka Overvoltage Pale, Palekana palena o kēia manawa (Ke puka i kēia manawa)
Hōʻike ʻenehana
| Nā ʻāpana | wehewehe |
| Kumukānāwai sensor | ʻO ka Frequency Domain Reflection FDR |
| Nā ʻāpana ana | Ka nui o ka lepo o ka wai |
| Laulā ana | ʻAno wai māʻona |
| Laulā wai | 0-60%m³/m³ |
| Kaulana wela | 0-50 ℃ |
| Hōʻailona puka | 4~20mA, RS485 (Modbus-RTU protocol), 0~1VDC, |
| 0~2.5VDC | |
| Volta hoʻolako | 5-24VDC, 12-36VDC |
| Ka pololei o ka wai | 3% (ma hope o ka hoʻoholo ʻana o ka helu) |
| Pono ka wela | ±0.5 ℃ |
| olelo hooholo | 0.001 |
| Manawa pane | ＜500ms |
| Kaiapuni hana | Ma waho, ʻo ka mahana ambient kūpono he 0-45 ° C |
| Ke hana nei i kēia manawa | 45-50mA, me ka mahana<80mA |
| Ka lōʻihi o ke kaula | 5 mika maʻamau (a i ʻole i hana ʻia) |
| Mea hale | ʻO nā plastik'eneke ABS |
| Mea noiʻi | 316 kila kila |
| kaumaha nui | 500g |
| Degere o ka palekana | IP68 |
Nā noi
