产品介绍：testo521-1/2压力仪，适用于测量差压，如过滤器内压力下降、检测风扇或抽力设备。通过内置压力传感器，用皮托管测量5～100m/s风速。外接100Pa探头可测量1～12m/s风速量程。并直接计算风量及多点/计时均值计算。testo521-1压力仪探头类型 ( 测量值 )量程 压敏电阻传感器 (压力)0.0...100.0hPa精度+/-0.2%off.v.(0.0...100.0hPa)过载+/-300.0hPa(0.0...100.0hPa)分辨率+/-0.0010hPa(0.0...100.0hPa)压敏电阻传感器 (压力)0.0...2000.0hPa精度+/-0.1%测量值(0.0...2000.0hPa)K型(NiCr-Ni) (温度)-200.0...1370.0 C精度+/-1.0 C(-200.0...-100.0 C) +/-0.4 C(-100.0...200.0 C) +/-1.0 C(200.0...1370.0 C)分辨率+/-0.1 C(-200.0...1370.0 C)电压测量 (电压1)0.0...10.0V精度+/-0.1%off.v.(0.0...10.0V)分辨率+/-0.01V(0.0...10.0V)电流/电压测量 (电流1)0.0...20.0mA精度+/-0.04mA(0.0...20.0mA)分辨率+/-0.01mA(0.0...20.0mA)testo521-2压力仪探头类型 ( 测量值 )量程 压敏电阻传感器 (压力)0.0...100.0hPa精度+/-0.1%off.v.(0.0...100.0hPa)过载+/-300.0hPa(0.0...100.0hPa)分辨率+/-0.0010hPa(0.0...100.0hPa)压敏电阻传感器 (压力)0.0...2000.0hPa精度+/-0.1%测量值(0.0...2000.0hPa)K型(NiCr-Ni) (温度)-200.0...1370.0 C精度+/-1.0 C(-200.0...-100.0 C) +/-0.4 C(-100.0...200.0 C) +/-1.0 C(200.0...1370.0 C)分辨率+/-0.1 C(-200.0...1370.0 C)电压测量 (电压1)0.0...10.0V精度+/-0.1%off.v.(0.0...10.0V)分辨率+/-0.01V(0.0...10.0V)电流/电压测量 (电流1)0.0...20.0mA精度+/-0.04mA(0.0...20.0mA)分辨率+/-0.01mA(0.0...20.0mA)