Application
Configurable VFL function with universal 2.5mm connectors. Equipped with LED light, more convenient for checking fibers in the dark.
Features
1. Suitable for 0.25/0.9/2.0/3.0mm fibers 2. Test sensitivity: -40dBm to 10dBm 3. Easy to carry, no chuck change required 4. LED backlit screen, suitable for various environments without auxiliary lighting 5. Powerful light source with strong penetration 6. Test distance up to 5km with high stability
Technical Parameters
| Wavelength detection range | 850-1625 nm |
| Connector type (signal detection) | CW, 270 Hz + 5 %, 1 kHz + 5 %, 2 kHz + 5 % |
| Detector type | 2 units of 1mm InGaAs |
| Suitable fiber type | $0,25 mm, $0,9 mm, $2,0 mm, $3,0 mm |
| Signal direction | Left and right LED indicators |
| Optical power reading range | -40 dBm~10 dBm |
| Signal frequency range | 270 Hz, 1 kHz, 2 kHz |
| Connector type (power) | 2 AA alkaline batteries |
| Operating temperature range | -10°C~60°C |
| Storage temperature range | -25°C~70°C |
| Dimensions/Weight | 219*45*28 mm/ 235 g |
Frequently Asked Questions
Q: Can it detect signals on live fiber without interrupting service?
A: Yes, it uses macro-bend detection to check traffic presence and signal direction without cutting, cleaving or opening the fiber.
Q: Which fiber types can be tested?
A: It supports 250µm, 900µm, 2.0mm and 3.0mm coated fiber, in both single-mode and multi-mode.
Q: What wavelengths can it detect?
A: It detects signals at 850, 1300, 1310, 1490 and 1550nm and indicates traffic and direction via LED indicators.
Q: Is a power adapter included for long field sessions?
A: Yes, the device runs on AA batteries with optional AC adapter support for continuous field use.
