3-8900 多重變數控制器

輸入: Digital (S3L): Serial ASCII,TTL level 9600 bps
頻率: 0 to 1500 Hz
精度: 0.5% of reading
量測種類:Flow, pH, ORP, Conductivity/Resistivity,Pressure, Temperature,
Level, or 3rd party devices with a 4 to 20 mA output