a、 供电电压必须小于12V且大于4.4V，否则探头可能损坏或不能正常操作。
b、 极性内部为“+”，外部为“–”。如果极性错误，内置电路可保护探头，不会发生危险或损坏。
c、 当电池电压过低时，面板上的电源指示灯将闪烁。
Bandwidth DC to 25MHz (-3dB) Attenuation Ratio 1:10/100 Accuracy ±2% Rise Time Input Impedance 14ns 4MΩ//5.5pF each side to ground Input Voltage -Category CAT III -Differential Range ±70V(DC+AC Peak) and 70Vrms @1/10 ±700V(DC+AC Peak) and 700Vrms @1/100 - Common Mode Range ±700V(DC+AC Peak) and 700Vrms @1/10 & 1/100 - Absolute Max. Voltage ±1400V(DC+AC Peak) and 1000Vrms @1/10 & 1/100 (Differential or Common Mode) Output Voltage - Swing ±7V (into 50kΩ load) - Offset (typical) <±5mV - Noise (typical) 0.7mVrms - Source Impedance (typical) 50Ω (for using 1MΩ input system oscilloscope) CMRR (typical) -86dB @50Hz, -66dB @20kHZ Ambient Operating Temperature -10 to 40℃ Ambient Storage Temperature -30 to 70℃ Ambient Operating Humidity Up to 85% RH Ambient Storage Humidity Up to 85% RH Power Requirements* - Standard 4xAA cells - Options Power leads, Mains adaptor* (6VDC/60mA Length of BNC Cable or regulated 9VDC/40mA), USB power cord 95cm Length of Input Leads 45cm Weight 400gms (probe and PVC jacket) Dimensions (LxWxH) 170mm x 63mm x 21mm