Visual Fault Locator Pen KI 6358
A fiber visual fault locator pen VFL KI 6358 for fiber optic installation, fault finding, continuity checking, polarity checking, verifying a signal path, and identifying a fiber. For use on single mode, multimode and plastic fibers, this is a low price 1mW fiber laser light tester that complies with the latest visible eye safety standards for fiber laser testers. A perfect addition to an OTDR to find very short-range faults, and faults within the OTDR dead-zone.
- Easy, compact pen-style laser checker
- Quality drop-resistant metal & rubber body
- Class 1 laser light pen needs no safety precautions
- 2.5 mm universal connector & translucent captive cap
- Will not turn on by mistake, or roll off a bench
- Continuous or pulsed operation
- The smallest laser pen tracer with 2 x AAA batteries
- Also available in convenient Test Kits
- 3 year warranty
MPO-Specific Continuity, Polarity & End Face Tester
More VFL & cable fault finders
OPT 189 1.25 mm to 2.5 mm, LC fiber tester adapter
KI6358 specifications
Size | 18 mm x 160 mm |
Unit weight | 83 g (including batteries) |
Shipping weight | 0.1 kg |
Battery | 2 x AAA (LR-03) Alkaline |
Battery life | > 40 hours |
Operating / storage temperature | -10 to +45 °C / -40 to +70 °C |
Relative humidity | 95% |
Warranty | 3 years |
Retention force for ferrule | 1 ~ 2 N |
Connector | 2.5 mm universal |
Wavelength | 655 ± 5 nm |
Typical output power (with PC-polished conenctor) | 1.5 mW (1.7 dBm) @ uncoupled / 1.3 mW (1.0 dBm) @ 50/125 µm / 0.7 mW (-1.3 dBm) @ 9/125 µm |
Laser protection class | Class 1, IEC60825-2011 |
Output mode | CW or 2~3 Hz modulation |
Not what you're looking for? Look for a more suitable part number, or submit a quote request with your technical requirements.
In the box

Protective Case for VFL

Instrument User Manual
Optional accessories

VFL Adaptor 2.5mm Female to 1.25mm Male OPT189

VFL Adaptor Cord 2.5mm - 1.25mm OPT711
More Accessories...
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