Product function:
F-999R precision testing instrument, imported precision accessories with ultra-high information price ratio, automatic noise reduction function, high-definition hearing device, can be used for pipeline side drain / floor heating testing / Geophysical Prospecting water, suitable for various pipeline materials, ground, wall, etc.
Operation method:
insert the earplug into the earphone hole, insert the probe, turn the power on / volume knob clockwise, the power indicator light is on, and adjust the gear rotation knob 0123 to select the best effect.