Pen function
Function 1: Detect whether it is charged
The finger touches the direct measurement button, the pen tip touches the measurement point, and the value displayed on the LCD screen is the measured voltage. (subject to the highest value displayed)
Note: The finger must touch the direct measurement key, otherwise even if the object to be measured has electricity, the electric pen may not show any voltage
Check if the socket has power
Function 2: Detect the circuit on and off
It must be done first with a power outage. Touch one end of the line with one finger, hold down the direct measurement key of the electric pen with the other finger, and touch the other end of the line with the tip of the pen. If the light is on, it means the line is unobstructed, and if it is off, it means the line is broken.
Determine whether the neutral wire of the plug is connected
Function 3: LED lighting
When the light of the distribution box is very dark, it can be lit as auxiliary lighting.
Turn on the LED switch of the electric pen
Function 4: Fire ground wire judgment
The finger touches the direct measurement button and the pen tip touches the measurement point. The one with 220V voltage on the LCD screen is the live wire, the one with 12V voltage (or the lightning symbol) is the neutral wire, and the one without any display is the ground wire.
The display result of the zero line measured by the electric pen
Function 5: Find line breakpoints
When looking for the breakpoint of the wire, put the electric pen on the insulating sheath of the wire. When the electric pen shows the lightning symbol, it means that there is electricity along the wire inside the insulation. Moving along the wire, the location where the lightning bolt disappears is the location of the breakpoint. (This function must be performed with power on)
breakpoint measurement
Function 6: Self-check function
Self-check before use to see if the pen is in good condition. Hold the tip of the pen with one hand and press the direct measurement button with the other finger, the light is on, indicating that the battery of the pen is fully charged. If it does not light up, it means that the power of the meter is insufficient or the meter is damaged.
