技術(shù)指標
工作原理:壓阻式傳感器
測量單位:Pa,mmH2O,mbar,inWG,mmHG(DW3021和DW3022) mbar,inWG, mmHG ,KPa,PSI(DW3023和DW3024)
精 度:±1.5%讀數(shù)±3Pa(DW3021);±1.5%讀數(shù)±3mbar(DW3023和DW3024)
響應(yīng)時間:1/e(63%)0.3秒
自動調(diào)零:手動按鈕自動調(diào)零,消除漂移
介質(zhì)類型:空氣或中性氣體
過 壓:25Kpa(DW3021),7000mmH2O(DW3022),1400mbar(DW3023),3000mbar(DW3024)
防 護:IP65
顯 示:5位LCD,尺寸:50×15mm
連 接:¢5.2mm倒刺接口(DW3021和DW3022),¢4×6mm旋緊式接口(DW3023和DW3024)
zui大負載:500Ω(4-20mA) zui小負載:1KΩ(0-10V)
功 耗:2VA(0-10V)或22mA(4-20mA)
分辨率:1Pa,0.1mmH2O,0.01mbar,0.01inWG,(DW3021和DW3022)0.01mbar,0.01inWG,
0.01mmHG, 0.1Kpa,0.1PSI(DW3023和DW3024)
輸出/電源:0-10V或4-20mA(24Vac/Vdc±10%,3-4線);4-20mA(18-30Vdc,2線)
工作溫度:0~50℃
儲存溫度:-10~+70℃