... price and lead time, easy front-panel TJB-2D Digital Programmable Frequency Conversion Power SupplyThe TJB-2D series has models ... low distortion 7) V, A, W, Hz display accurately, digital, simultaneously8) With full protections (over voltage, over load, over ... typeOperating Temperature/HumidityTemperature :0-45oCHumidity :0-90% (no-coagulating) Digital Programmable Variable Frequency AC Power Supply