a、 供電電壓必須小于12V且大于4.4V，否則探頭可能損壞或無法正常操作。

b、 極性內部為“+”，外部為“-”。如果極性錯誤，內置電路可保護探頭，不會發生危險或損壞。

c、 當電池電壓過低時，面板上的電源指示燈將閃爍。

SI-9110 Specifications
Bandwidth DCto 100MHz (-3dB)
Attenuation ratio 1:100/1000
Accuracy ±2%
Rise Time 3.5ns 
Input Impedance 4MΩ//7pF each side to ground
Input Voltage 
- Category CAT III
- Differential Range ±140V(DC + AC Peak) and 140Vrms @1/100
±1400V(DC + AC Peak) and 1000Vrms @1/1000 
- Common Mode Range ±1400V(DC + AC Peak) and 1000Vrms @1/100 & 1/1000 
- Absolute Max. Voltage 
(Differential or Common Mode) 
±1400V(DC + AC Peak) and 1000Vrms @1/100 & 1/1000
Output Voltage
- Swing ±1.4 V (into 50kΩ load)
- Offset (typical) <±5mV
- Noise (typical) 0.9mVrms
- Source Impedance (typical) 50Ω (for using 1MΩ input system oscilloscope)
CMRR (typical) -80dB @ 60Hz; -50dB @ 1MHz
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
- Option
 
Power leads, Mains adaptor*
(6VDC/200mA
regulated 9VDC/120mA), USB power cord
Length of Input Leads 30cm
Length of BNC Lead 92.5cm 
Weight 500gms
Dimension (LxWxH) 207mm x 83mm x 38mm