MN3 Mini OTDR
A Perfect choice for FTTH
Highlights
- A 3.5 in LCD touchscreen and buttons make it easy to use
- Wavelength: 1310nm/1550nm. Dynamic Range: 28/26dB
- A minimum test blind zone of 1m
- Integrates OTDR, Optical Power Meter (OPM), Visual Fault Locator (VFL), Optical Light Source (OLS), and RJ45 network cable testing — all in one compact device.
- Less than 1 kg and portable, with a 12-hours battery life
- Enables one-click testing, auto-diagnosis of results, and real-time measurement for easy, efficient use.
- Supports USB, MiniUSB, and Ethernet interfaces, enabling connection to USB flash drives, printers, and PCs.
- OPM, VFL, OLS
- Fault location
- Optical loss test
- Event Map (optical eye)
The mini OTDR supports remote control and multi-interface expansion, and is suitable for fiber patch cord testing and FTTH link maintenance. It serves as the ideal testing companion for field engineers.
Specifications
| Model / Items | MN3 Mini OTDR | |||||||
| Wavelength | 1310/1550 nm | |||||||
| Dynamic Range | 28/26 dB | |||||||
| Event Dead Zone(m) | 1 m | |||||||
| Attenuation Dead Zone(m) | 8 m | |||||||
| Test Range | 500 m, 1 km, 2 km, 4 km, 8 km, 16 km, 32 km, 64 km, 100 km | |||||||
| Distance Accuracy | ±(1 m+ sampling interval + 0.005%*test distance) | |||||||
| Optical Connector | FC/PC （interchangeable SC, ST） | |||||||
| OPM | -70 dBm to +26 dBm | |||||||
| Battery | 6300mAh. Standby time over 12 hours | |||||||
| Weight | 1 kg | |||||||
Use Cases
FTTH Network Construction and Acceptance
Fiber Patch Cord and Patch Panel Testing and Maintenance
Optical Cable Fault Location and Link Diagnostic
Data Center Optical Communication Equipment Commissioning
Instructional Training and On-Site Practical Training
The MN3 Mini OTDR offers core advantages of lightweight design, high-precision testing, and intelligent operation, making it particularly suitable for maintenance personnel who frequently work outdoors and demand high portability and ease of use. Whether testing short-distance patch cords or maintaining long-distance backbone cables, the Mini OTDR series delivers reliable and efficient testing support, helping users boost productivity and reduce operational costs.
Product Demo
Real Experiences with the TFN OTDR
Eric H.
“Very easy to use. I’ve been a loyal customer of TFN for years. The technical support is nice, and the products are always reliable. it makes troubleshooting much quicker. Great value for the price.”
Scott N.
“I recently purchased an otdr tester, and I couldn’t be excited with my purchase. Compact and fast, it has become our go-to tool for fiber optic testing. The results are very accurate”
FAQs
Which languages does MN3 Mini OTDR support?
Our OTDR support English for standard version, and the optional version supports Russian, Spanish, and Arabic.
What’s the lead time?
For our standard products, if there are in stock and ready for shipment, the lead time is about 7-10 days. For our optional products, the lead time is about 25-30 days.
Do you support online training?
Yes, we support online training. We also have English operation videos for OTDR (on our YouTube channel) and analysis software for our clients.