... and phase 2. High precision and accuracy 3. Portable and handheld 4.Dual-channel input measuring I ... Temperature(23±5)°C(2) Moisture(45~75)% RH(3) Wave forms of measured signal, sine wave β= ... Temperature (0~40)°C(2) Moisture (20~80)% RH(3) Wave forms of measured signal, sine wave β=0 ... Features1. Display, three and half2. Sampling Rate, 3 times per second3. Power Supply, Single 9V laminated ...