| Product Name | B1 Visual Fault Locator |
| Output Power | 10 mW |
| Wavelength | 650 ± 10 nm |
| Fiber Compatibility | Singlemode (SM), Multimode (MM) |
| Transmission Distance | 10–12 km (typical) |
| Supported Connectors | SC, FC, LC, ST |
| Power Supply | 2 × AA batteries |
| Housing Material | Aluminum alloy, anodized finish |
| Product Weight | 180g |
| Product Size | 25 × 190 mm |
| Operating Temperature | 10°C to 60°C (non-condensing) |
| Storage Temperature | -40°C to 85°C |
| Output Modes | Continuous, Fast Flash, Slow Flash |
| Mode Switching | One-button cycle |
| Protective Ring | 360° rotating guard covers the button |
| Dust Cap | Included, protects connector interface |
| Power Control Circuit | APC (Automatic Power Control) |
| Power Stability | Output stable regardless of battery voltage |
| Indicator Light | LED status indicator |
| End Cap | Metal, easy battery replacement |
| Anti-slip Grip | Knurled metal surface |
| Button Protection | Rotating ring prevents accidental operation |
| Application | Fiber testing, telecom, network installation |
| Warranty | Lifetime warranty |
| Signal Strength | High, suitable for professional fieldwork |
| Environmental Durability | Built for harsh field conditions |
| Circuit Components | Precision, imported electronic parts |
| Laser Chip | Imported, stable and reliable |
B1 Visual Fault Locator 10mW for SC FC LC ST Connectors, 10km Fiber Tester, APC Circuit
- 10mW Output Power: Provides bright and stable visible red light for accurately locating fiber faults up to 10,000 m.
- Wide Compatibility: Works with SC, FC, LC, and ST connectors to address every fiber testing requirement.
- All-Metal Body: Aluminium alloy outer shell with anodized finish for long-lasting durability, as well as a professional appearance.
- APC Circuit: Automatic power control keeps the output constant and unaffected by changes in battery voltage.
- 360° Protective Ring: The rotating guard covers the button entirely to prevent accidental operation as well as protecting the switch itself.
- Multiple Modes: Use of a single button allows the operator to switch between continuous, fast flashing, or slow flashing operational modes.
- Dust Cap Design: The dust cap is designed within the unit to protect the interface and to ensure no contamination gets into the interface.
- LED Indicators: Clearly visible LED status light provides feedback and uses the same switch.
- Portable & Lightweight: Well-designed size – 25×190mm, lightweight – 180g, compact enough for field work.
- Wide Temperature Range: Can operate from -10°C to 60°C. Provides reliable results in all environmental temperature ranges for fiber testing.
- Long Battery Life: Operates with 2 AA batteries for long use.
- Professional Appearance: Use these testers for any telecom or network cabling or fiber installation project with professional results.
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