FL-004 - Detector Foset - Free user manual and instructions
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| Product type | Handheld electronic detector |
| Brand | Foset |
| Model | FL-004 |
| Category | Detector |
| Intended use | Locates metallic objects and live electrical wires in walls or surfaces |
| Detection technology | Non-contact electromagnetic sensing |
| Signal output | LED indicator and audible buzzer |
| Sensitivity control | Adjustable rotary wheel |
| Operating temperature | 0°C to 40°C |
| Storage temperature | -10°C to 50°C |
| Power source | 9V battery (not included) |
| Battery life | Approximately 10 hours continuous use |
| Auto power off | After 5 minutes of inactivity |
| Low battery indicator | Flashing red LED |
| Housing material | Impact-resistant ABS plastic |
| Dimensions (L x W x H) | 180 x 45 x 30 mm |
| Weight | 150 g |
| Color | Black with orange accents |
| Included accessories | User manual |
| Certifications | CE, RoHS |
| Maintenance | Clean with a soft dry cloth; avoid solvents |
| Safety precautions | Do not expose to moisture or extreme temperatures |
Frequently Asked Questions - FL-004 Foset
How does the Foset FL-004 detect objects?
The FL-004 uses non-contact electromagnetic sensing to locate metallic objects and live electrical wires behind surfaces. When detection occurs, the LED indicator lights up and a buzzer sounds.
What is the maximum detection depth of the FL-004?
For a typical wall, the device can detect steel up to 20 mm and copper wires up to 15 mm deep. The actual range depends on the material and size of the target.
How do I replace the battery?
Slide open the battery cover on the back of the device. Remove the old 9V battery and connect the new one. Use a fresh alkaline battery for best performance. Replace the cover securely.
Why does the FL-004 sound constantly?
A constant alarm may be caused by electromagnetic interference or proximity to a large metal object. Turn the sensitivity dial to a lower setting, or move the device away from the interference. Clean the sensor area and retry.
Can the FL-004 detect wires in a wall without power?
No, the non-contact voltage detection feature only works on live conductors that have an active electrical current. It detects the electromagnetic field generated by voltages of 50-600 V AC.
How do I calibrate the detector before use?
The FL-004 performs auto-calibration when powered on. Place it flat on a non-metallic surface, press and hold the power button, and wait for the LED to settle or the auto-calibration beep to end.
Is the Foset FL-004 waterproof?
No, this detector is not waterproof. It is designed for indoor use only. Avoid exposure to rain, condensation, or any other moisture to prevent electrical damage.
What maintenance is required?
Keep the sensor window clean and free of dust. Wipe the exterior with a soft, dry cloth after use. If you do not plan to use the device for a long time, remove the battery to prevent leakage.
What does the LED indicator color mean?
Green LED indicates the device is powered on and operating normally. Red LED with beeping means a target is detected. A flashing red LED without beeping signals low battery.
Does the FL-004 come with a warranty?
Yes, the detector includes a standard 1-year manufacturer warranty covering defects in materials and workmanship under normal use. Retain the purchase receipt as proof of warranty.
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USER MANUAL FL-004 Foset
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Product information
Brand : Foset
Model : FL-004
Category : Detector