工作原理:压阻式传感器
测量单位:Pa,mmH2O,mbar,inWG,mmHG(DW3021和DW3022) mbar,inWG, mmHG ,KPa,PSI(DW3023和DW3024)
精 度:±1.5%读数±3Pa(DW3021);±1.5%读数±3mbar(DW3023和DW3024)
响应时间:1/e(63%)0.3秒
自动调零:手动按钮自动调零,消除漂移
介质类型:空气或中性气体
过 压:25Kpa(DW3021),7000mmH2O(DW3022),1400mbar(DW3023),3000mbar(DW3024)
防 护:IP65
显 示:5位LCD,尺寸:50×15mm
连 接:¢5.2mm倒刺接口(DW3021和DW3022),¢4×6mm旋紧式接口(DW3023和DW3024)
最大负载:500Ω(4-20mA) 最小负载: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)
输出/电源:0-10V或4-20mA(24Vac/Vdc±10%,3-4线);4-20mA(18-30Vdc,2线)
工作温度:0~50℃
储存温度:-10~+70℃