主要功(gong)能 土壤(rang)水分(fen)含量(liang)的(de)測量(liang)或監控 12個模擬通道(dao),4個數(shu)字通道(dao)(2個),1個SDI-12通道(dao) 2個控制繼電(dian)器(可(ke)另加4個,至多達6個) 應用領域 精準農業灌溉系(xi)統水分(fen)的長期(qi)監控(kong) 小(xiao)規模栽培系統的定量灌溉及自(zi)動灌溉研究 農業系統中溫度、水(shui)分和降雨量(liang)間(jian)相互關(guan)系的定量(liang)研究 技(ji)術參數 模擬通(tong)(tong)道:差分電(dian)(dian)壓(ya)(最(zui)(zui)(zui)大(da)12個(ge)(ge)通(tong)(tong)道);單端電(dian)(dian)壓(ya)(共用接地,最(zui)(zui)(zui)大(da)24個(ge)(ge)通(tong)(tong)道);2芯電(dian)(dian)阻(最(zui)(zui)(zui)大(da)24個(ge)(ge)通(tong)(tong)道);3芯電(dian)(dian)阻(最(zui)(zui)(zui)大(da)12個(ge)(ge)通(tong)(tong)道);電(dian)(dian)橋或電(dian)(dian)位傳感器(qi)(最(zui)(zui)(zui)大(da)12個(ge)(ge)通(tong)(tong)道);溫度(du)傳感器(qi)(最(zui)(zui)(zui)大(da)12個(ge)(ge)通(tong)(tong)道,2芯熱敏(min)電(dian)(dian)阻最(zui)(zui)(zui)大(da)24個(ge)(ge)) 數(shu)(shu)字通(tong)道(dao):4個(ge)數(shu)(shu)字輸入(ru);快速計(ji)數(shu)(shu)或(huo)頻率(30kHz,最(zui)(zui)大2個(ge)通(tong)道(dao));慢(man)速計(ji)數(shu)(shu)或(huo)頻率(100Hz,最(zui)(zui)大2個(ge)通(tong)道(dao));數(shu)(shu)字狀態(tai)(邏輯電平/開路集電極(ji)/開關閉合,最(zui)(zui)大4個(ge)通(tong)道(dao)) 溫度(du)傳感(gan)器:熱敏(min)電阻(2k和10k型(xing));熱敏(min)電阻(J、K和T型(xing)) WET傳感器:1個通道,可測量土(tu)壤水(shui)分、溫度和電導(dao)率 記錄可選:單獨(du)讀數(shu)、統(tong)計、合(he)計、積(ji)分(fen)、風向、矢量平均、陣風、風向圖、條件式記錄 記錄間(jian)隔:1秒(miao)(miao)~24小時(shi),每個通(tong)道可單獨(du)設(she)定。采(cai)樣速率(lv)典型>16通(tong)道/秒(miao)(miao) 存儲容量:4MB閃存,典型可存儲250萬讀數 采集頻率:1s到大于24小時 內部供電:6節AA堿(jian)性堅(jian)持,可使用30萬(wan)次(ci)讀數(shu) 傳感器觸發:標稱3V參考,+5V和(he)+12V穩定或(huo)5~10.5V(電(dian)池或(huo)外部供(gong)電(dian)),用戶選擇 控制:2個繼電(dian)(dian)器輸(shu)出,可(ke)擴(kuo)展到(dao)6個繼電(dian)(dian)器輸(shu)出,閉鎖SPST繼電(dian)(dian)器額定(ding)1A、24VAC、32V DC用于供電(dian)(dian)的傳(chuan)感器,控制外(wai)部設備或提供報警(jing) 使用環境:工(gong)作(zuo)溫度-20~+60℃,防雨外(wai)殼(ke),IP65防護(hu)等級,內置干燥劑 產地(di):英國 Delta-T |