NF-866 - Testeur électronique Noyafa - Free user manual and instructions
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| Product Type | Network Cable Tester |
| Brand | Noyafa |
| Model | NF-866 |
| Dimensions | 95 x 58 x 28 mm |
| Weight | 110 g (including batteries) |
| Power Supply | 1 x 9V battery (6F22 or equivalent) |
| Battery Life | Approximately 20 hours of continuous use |
| Main Functions | Cable continuity test, wire mapping, polarity detection, tone generation, length measurement |
| Supported Cable Types | RJ45, RJ11, RJ12, coaxial, USB (with adapter) |
| Display | LCD screen with backlight |
| Test Distance | Up to 300 meters |
| Tone Generator | Yes, selectable frequency |
| Auto Power Off | After 10 minutes of inactivity |
| Operating Temperature | 0°C to 40°C |
| Storage Temperature | -10°C to 50°C |
| Maintenance & Cleaning | Wipe with a soft, dry cloth. Do not use solvents. |
| Safety | Do not test live circuits. Use only on de-energized cables. |
| Spare Parts & Repairability | Replaceable 9V battery. No user-serviceable parts inside. |
| General Information | Comes with remote unit, carrying pouch, and user manual. |
Frequently Asked Questions - NF-866 Noyafa
What type of cables can the Noyafa NF-866 test?
The NF-866 can test RJ45 (Ethernet), RJ11/RJ12 (telephone), coaxial, and USB cables with the provided adapters.
How do I perform a continuity test?
Connect the cable to the main unit and remote unit. Power on the device; the LCD will display continuity and wire mapping. A tone or indicator light shows correct connections.
What is the maximum cable length it can test?
The NF-866 can detect cable length up to 300 meters accurately.
Does it require batteries?
Yes, it uses a single 9V battery (6F22 or equivalent). A new battery lasts about 20 hours of continuous use.
How do I use the tone generator?
Select the tone mode on the main unit. The device will send a selectable frequency tone through the cable. Use a tone probe to trace the cable.
Can it test live circuits?
No, the NF-866 is designed for de-energized cables only. Testing live circuits can damage the device and pose safety risks.
What does the LCD display?
The LCD shows wire mapping (pin-to-pin connections), continuity status, cable length, and battery level. It also has a backlight for dark environments.
How do I clean the device?
Wipe it with a soft, dry cloth. Do not use any liquid cleaners or solvents as they may damage the electronics.
Is the device auto power-off?
Yes, it automatically powers off after 10 minutes of inactivity to save battery life.
What comes in the box?
The package includes the main tester unit, a remote unit, a carrying pouch, user manual, and adapter cables for RJ45, RJ11, and USB.
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