KPMOY9
The Karvinger KPMOY9 is a compact 4-in-1 field tool combining an optical power meter, 650nm VFL, RJ45 cable tester, and LED work light. Engineered for technicians and network installers, it measures absolute and relative optical power across 800–1700nm with 0.01dB resolution, detects copper miswiring instantly, and provides reliable fiber troubleshooting with built-in VFL and illumination.
We hold 2 on the shelf. Anything beyond that is built to order — 4 to 6 weeks rather than 3 to 4 days. Your quote states the exact split and a dated lead time.
| Quantity | Unit price | Saving |
|---|---|---|
| 1 – 4 | $69.90 | — |
| 5 – 9 | $66.41 | −5% |
| 10 – 24 | $62.91 | −10% |
| 25 – 99 | $57.32 | −18% |
| 100 – 499 | $51.73 | −26% |
| 500+ | $45.44 | −35% |
Indicative. Breaks apply per line item; mixed SKUs aggregate on request.
| Detector | InGaAs |
|---|---|
| Measurement range | −50 to +26 dBm |
| Accuracy | ±0.01 dB |
| Wavelength range | 800 – 1700 nm |
| Calibrated wavelengths | 850 / 980 / 1270 / 1300 / 1310 / 1490 / 1550 / 1577 / 1625 nm |
| Detected frequencies | CW · 270 Hz · 1 kHz · 2 kHz |
| VFL wavelength / power | 650 nm · 10 mW |
| VFL reach | Up to 10 km |
| Interfaces | SC / FC / ST |
| Display | 2.4 in color TFT |
|---|---|
| Battery | Rechargeable lithium |
| Charging | USB-C |
| Housing | ABS + TPE overmold |
| Extras | RJ45 tester · LED light · temp. |
| Case | Carbon-fiber EVA, semi-rigid |
| Dispatch | 3–4 business days |
|---|---|
| Built to order | 4–6 weeks above stock on hand |
| Origin | US warehouse |
| Shipping | Free on every order |
| Term | 24 months |
|---|---|
| Cover | Repair or replace |
| Money-back | 30 days |
| Restocking fee | None |
Reviews publish only where we can match the reviewer to an invoice. Photos and video are uploaded by the buyer and shown unedited.
Huge upgrade from the cheap meters I kept losing. Super accurate, the color display is easy to read, and it has run for over a month on the first charge. Closest thing to my old Viavi I have found at this price.
Great piece of kit for the price and surprisingly well built. Works perfectly for the work I do in a data center day to day.
Solid choice for a meter. Love the rechargeable battery, it lasts a long time and holds a charge well between jobs.
As a fiber construction engineer this has earned a permanent spot in my kit. Power meter, VFL, RJ45 tester and light in one, readings are precise and switching between dBm, mW and dB is easy.
Works extremely well and the readings are accurate. Awesome battery life, durable build, and the manual is clear. Incredible value for the price.
I mostly test Ethernet with it and the RJ45 tester catches bad crimps and ghost connections fast. The VFL and LED are genuinely useful extras. Built tough and rechargeable, you cannot beat it.
Reliable tool for my home network setup. I terminated Cat6 runs throughout the apartment and this made sure everything was wired right. Excellent battery and far more features than I need.
Great all in one fiber tool. The 800 to 1700nm range covers everything I test, the VFL is bright for spotting bends, and the RJ45 tester verifies cables quickly. Well made and built to last.
Handy little tool for light fiber work. Felt solid in the hand, screen is easy to read, and it was ready right out of the box with a case and charging cable. Intuitive enough to skip the manual.
Good basic unit and it comes with a nice case. USB-C charging, VFL and RJ45 testing are all convenient to have built in. Clear, readable screen.
Very good meter for both fiber and Ethernet. It actually caught broken pairs on a Cat6A cable that another tester passed. Works very well, definitely a keeper.
I bought it because it does both RJ45 and optical, which I both need. Works great for both, well built, bright display and the buttons make sense. Cannot find a single thing to complain about.
Comes with everything you need to read light levels on fiber, plus a cable tester with a handy wiremap function. Rechargeable over USB-C and the hard case is a nice touch.
Super easy to use and I love only needing one tool for fiber and Ethernet. Tells you right away if any wires are not connected properly. The rechargeable USB-C means no hunting for batteries.
This completely replaced the separate optical and Ethernet testers in our kit. Easy to use, does exactly what we need, and it has become our main tester. A really good product.
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An optical power meter measures how much light reaches the end of a fiber link, in dBm, so you can verify the link meets its loss budget and diagnose signal loss. The KPMOY9 measures from 800 to 1700 nm with 0.01 dB resolution.
The KPMOY9 combines four tools in one handheld: an optical power meter, a 650 nm visual fault locator, an RJ45 network cable tester and an LED work light — covering both fiber and ethernet jobs.
For FTTH and enterprise fiber, a power meter should cover the common test wavelengths — 850, 1300, 1310, 1490 and 1550 nm. The KPMOY9 spans the full 800–1700 nm range.
Most can't, but the KPMOY9 can. Its built-in RJ45 tester checks network cable wiring, so the same tool serves fiber technicians and structured-cabling installers.
It connects natively to SC, FC and ST connectors with an FC-to-LC adapter included, and works with both single-mode and multimode fiber.
The KPMOY9 has a rechargeable battery rated for about 20 hours of use, charged over USB from a laptop, power bank or wall outlet. There are no disposable batteries.
Yes. The KPMOY9 is factory-calibrated and ready to measure out of the box.
The KPMOY9 is covered by Karvinger's 2-year limited warranty against manufacturing defects. It ships free express from Karvinger's U.S. warehouses, typically arriving in about 3–4 business days.
