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| After-sales Service: | 1 Year Warranty |
| Warranty: | 1 Year Warranty |
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professional ear bug listner f-999r leak detector for pipeline side drain / floor heating testing / Geophysical Prospecting water
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.
Note: the probe must contact the tube surface stably. Please do not drag the probe in parallel to avoid damaging the probe. When using the probe, adjust the audio gear knob 0 '1' 2 '3 to adjust the best effect, and the volume knob to coordinate the adjustment. Normal third gear.
Product features: all metal body, fine workmanship, precision high-end professional equipment.Excellent performance, clear sound quality, strong sensitivity, imported components.Four gear adjustment to meet different conditions. The working principle of the instrument isThe sound is gradually amplified by transmitting the sound by the shock wave of the physical sound source.It can be heard normally when entering the ear. The larger the leakage point of the detection water pipe, the better the effect.
Additional functions: function jack, recording function.
Product specification: current consumption: 13-33 Ma;
battery usage: 9V6f22
Working time: 10-23 hours (according to the sound strength)
Four section audio selection: 3 (100hz-700hz), 2 (700hz-900hz),
1 (900hz-1100hz), 0 (1100hz-1600hz);
Probe sensitivity: - 60dB, maximum audio amplification: 25000 times.
Set accessories:One host, one probe, one earphone and one manual.
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