1. Úvod
This manual provides detailed instructions for the KUIOPNET F999L Underground Water Leak Detector. This device is designed to accurately locate and identify leaks in water supply pipelines and other pressure piping systems, suitable for both indoor and outdoor applications. Please read this manual thoroughly before operating the device to ensure proper use and to prevent damage.
2. Komponenty produktu
The KUIOPNET F999L leak detector system includes the following items:

Obrázek 2.1: Konecview of the KUIOPNET F999L Underground Water Leak Detector and its included components. The image displays the main detection host, headphones, two indoor sensors (one large, one small), a sensor handle, charger, instruction manual, warranty card, and a portable suitcase.
- Detection Host
- Sluchátka
- Indoor Sensors (one large, one small)
- Sensor Handle
- Nabíječka
- Návod k použití
- Záruční list
- Přenosný kufr
3. Specifikace
Technical specifications for the F999L Underground Water Leak Detector:
| Jméno | Elektronický detektor netěsností |
| Model | F999L |
| Materiál | Železo |
| Napájení | 110V/220V |
| Proud | 60 mA |
| svtage | 9V |
| Ampzvedání | 0-100 dB |
| Pracovní teplota | -10°C až +50°C |
| Pracovní doba | > 30 hodin |
| Frequency Grouping | 1-4 gears, 200Hz-3000Hz (infinitely adjustable) |
| Instrument Housing Dimensions | 45 x 30 x 15 mm |
| Hmotnost (hostitel) | 900 g |
| Weight (Indoor Sensor, large) | 140 g |
| Weight (Indoor Sensor, small) | 75 g |
| Weight (Handle) | 160 g |
4. Nastavení
Before initial use, ensure all components are present and the device is fully charged. Follow these steps for basic setup:
- Connect the headphones to the headphone jack on the main detection host.
- Select the appropriate sensor (large or small indoor sensor) for your detection needs and connect it to the sensor input port on the main unit.
- If using, connect the sensor handle to the main unit.
- Charge the device using the provided charger until the battery indicator shows full. Ensure the device is powered off during charging.
5. Návod k obsluze
The F999L detector offers various controls for precise leak detection. Familiarize yourself with the main unit and sensor handle functions.
5.1 Ovládací prvky hlavní jednotky

Obrázek 5.1: Detailní view of the KUIOPNET F999L main unit, highlighting its various controls and ports. Labels indicate the LCD screen, tone/power knob, frequency selection, sensor jack, headphone jack, noise reduction switch, sensitivity adjustment, and charging jack.
- LCD obrazovka: Displays the sound level graph and other operational information.
- Tone Knob and Power Switch: Turn clockwise to power on the device and increase the sound volume. Turn counter-clockwise to decrease the sound volume and power off the device.
- Frequency Selection Knob: Used to select the appropriate frequency range (1-4 gears, 200Hz-3000Hz) based on the specific environment and type of leak.
- Sensor Jack: Port for connecting the detection sensor.
- Sluchátkový jack: Port for connecting the headphones.
- Přepínač redukce šumu: Dial to the 'B' position to activate the noise reduction function. Dial to the 'F' position to turn off noise reduction.
- Knoflík pro nastavení citlivosti: Turn clockwise to increase the detection sensitivity. Turn counter-clockwise to decrease the sensitivity.
- Nabíjecí konektor: Port for connecting the charger.
5.2 Sensor Handle Usage

Image 5.2: Close-up of the sensor handle, showing the integrated mute switch. Pressing the button temporarily silences the headphones to prevent sudden loud noises.
The sensor handle is equipped with a mute switch. When moving the sensor, press this button to temporarily mute the sound in the headphones. This prevents strong sound impacts and protects your hearing. Release the button to restore the sound.
5.3 Portable Sensor Sensitivity

Image 5.3: The two indoor dedicated sensors (large and small) used with the KUIOPNET F999L leak detector, designed for high sensitivity in indoor environments.
For portable sensors, adjust the screen sensitivity knob on the main unit. Rotate it counter-clockwise to reduce sensitivity and clockwise to increase sensitivity, allowing for fine-tuning based on the detection environment.
5.4 Frequency Modes
The device features 4 frequency modes, continuously adjustable from 200Hz to 3000Hz. Selecting the appropriate frequency is crucial for effective leak detection. Experiment with different frequencies to best isolate leak sounds from environmental noise in your specific detection scenario.
6. Údržba
Proper care and maintenance will ensure the longevity and optimal performance of your F999L detector. Adhere to the following guidelines:
- Vyvarujte se vystavení vodě: Do not allow water to enter the instrument. The device is not waterproof.
- Bez demontáže: Do not attempt to disassemble or touch the internal components of the device. Unauthorized modifications will void the warranty.
- Zacházejte opatrně: Avoid violent shaking or dropping the device, as this can cause internal damage.
- Skladování: When not in use for extended periods, store the device in its original portable suitcase in a dry, cool place, away from direct sunlight.
- Bezpečnost nabíjení: Always turn off the power of the device when charging to prevent potential damage to the instrument or battery.
- Čištění: Vnější povrch zařízení čistěte měkkým, suchým hadříkem. Nepoužívejte abrazivní čisticí prostředky ani rozpouštědla.
7. Řešení problémů
This section addresses common issues you might encounter during operation. If you experience problems not listed here, please contact customer support.
| Problém | Možné řešení |
|---|---|
| Žádný zvuk ve sluchátkách |
|
| Zařízení se nezapíná |
|
| Inaccurate or unclear leak detection |
|
8. Bezpečnostní opatření
Abyste zajistili bezpečný provoz a zabránili zranění nebo poškození zařízení, dodržujte prosím následující bezpečnostní opatření:
- Vždy dodržujte pokyny uvedené v tomto návodu.
- Do not use the device in hazardous or explosive environments unless specifically rated for such use.
- Chraňte zařízení před extrémními teplotami, přímým slunečním zářením a vysokou vlhkostí.
- Store the device out of reach of children and unauthorized personnel.
- Only use the charger provided by the manufacturer. Using an incompatible charger may damage the device or pose a fire hazard.
- Avoid direct contact with live electrical wires or components during detection.
9. Rozsah aplikace
The KUIOPNET F999L is a versatile leak detection instrument suitable for a wide range of applications:

Obrázek 9.1: Příkladamples of environments where the KUIOPNET F999L leak detector can be used, including external network water pipes, fire pipes, heating pipes, floor heating pipes, and household tap water pipes.
- External network water pipes
- Fire pipes
- Heating systems and pipes
- Underground and floor heating pipes
- Indoor household tap water pipes
- Other pressure piping systems
10. Záruka a podpora
For information regarding warranty coverage, terms, and conditions, please refer to the warranty card included with your product. For technical support, service inquiries, or any questions not addressed in this manual, please contact KUIOPNET customer service through the contact information provided on the warranty card or the official KUIOPNET webmísto.