An Optical Time-Domain Reflectometer (OTDR) is a crucial instrument
used for characterizing and testing optical fibers, helping to
identify faults, measure losses, and ensure the integrity of fiber
optic networks.

Optical Time Domain Reflectometer Overview
Designed to meet measurement requirements for FTTx, Metropolitan
Area Networks, Backbone Networks, and other optical network
applications.
Optical Time Domain Reflectometer Applications
- Optical interface 1/VFL
- Optical interface 2/OTDR
- Charging indicator
- SD card interface
- Power adapter interface
- Earphone interface
- USB interface
- Ethernet interface
Optical Time Domain Reflectometer Features
- Large touch screen with shortcut keys for easy operation
- Large-capacity polymer lithium battery with extended working hours
- Intelligent testing with simple operation and powerful
functionality
- Memory Card + SD card media with extensive trace storage capacity
- Capable of meeting FTTx testing requirements
- Multiple wavelength options available
- Solid casing design with dustproof and shockproof protection

Technical Specifications
| Wavelength (nm) | 850/1300 | 1310/1550 | 1310/1490/1550 | 1625 |
|---|
| Dynamic range(dB) | 21/19 | 32/30 | 32/30/30 | 344, 365 |
|---|
| Pulse width (ns) | 5,20,40,80,160,320,640,1280 | 5,10,20,40,80,160,320,640,1280,2560,5120,10240,20480 |
|---|
| Event blind zone(m) | 10 | ≤1.8 |
|---|
| Attenuation blind zone (m) | 20 | ≤10 |
|---|
| Display | 5.6" LCD touch screen |
|---|
| Linearity (dB/dB) | ±0.05 |
|---|
| Loss threshold (dB) | 0.05 |
|---|
| Loss resolution ratio (dB) | 0.01 |
|---|
| Sampling resolution ratio(m) | 0.125 to 8 |
|---|
| Sampling point | 32K |
|---|
| Distance uncertainty (m) | ±(1 m + 5 x 10 x distance + sampling interval) |
|---|
| Distance scope (km) | 0.3 to 180 |
|---|
| Typical real-time refreshing duration (s) | 0.2 |
|---|
| Memory capacity of trace | SD Card (4G), > 10000 pieces |
|---|
| Duration of measurement | Defined by user; 5sec, 10sec, 15sec, 30sec, 1min, 2min, and 3min
are selectable |
|---|
General Specifications
| Dimension (H x W x D) | 150 x 235 x 66mm |
|---|
| Weight | 1.5KG |
|---|
| Temperature | Running temperature -10°C to 50°C Memory temperature -40°C to 70°C |
|---|
| Relative humidity | 0% to 95% (non condensation) |
|---|
| Power supply | Lithium battery; continuing working duration ≥ 8 hours |
|---|
Interface Category
| Optical interface | FC/UPC (PC, and APC are selectable) |
|---|
| Data interface | USB interface, SD card interface |
|---|
Visible Failure Orientation VFL
| Wavelength | 650nm |
|---|
| Output power (dBm) | ≥ -3 |
|---|
| Maximum testing distance | 3KM |
|---|
OTDR Meter Capabilities
- Automatic Measurement Mode: Automatic parameter setting, trace data
saving, and analysis
- Multi-wavelength Measurement Mode: Analysis of fiber attenuation
under different wavelengths
- Trace Fixing Function: Same-screen comparison of traces for
multi-core fiber installation
- Multi-wavelength Analysis Function: Comparison and analysis of
trace files
- FTTx online testing with splitter and fiber end identification
- Large-capacity lithium-ion rechargeable battery with over 8 hours
standby time
- Bellcore file format (.sor) with storage for over 10,000 traces
- Communication Light Detection for equipment protection
- Connection State Detection for instrumentation status monitoring
- Flexible switching between real-time and average measurement modes
OTDR Traces Manager PC Software
- Bulk amendment and batch printing capabilities
- Customizable test report generation
- Multiple printing modes: single-page single-trace, batch,
multi-trace, multi-waveform
- Personalized printing options and page setup
- Waveform difference comparison for parameter change analysis
Optical Time Domain Reflectometer

Why Choose TAKFLY?
- 26+ years manufacturing experience in fiber optic products
- 450+ assembly workers with 3+ years experience
- 10+ R&D Engineers dedicated to innovation
- 16 Germany imported Injection Machines and 16 Production Lines
- 30+ testing machines including OTDR, 3D, VFL, IL&RL test
instruments
- OEM branding accepted
- Global exhibition participation: OFC, ECOC, CommunicAsia, and more
Quality Control
- Raw material incoming inspection before production
- Full inspection after every individual process
- Comprehensive half-done production checks
- Complete finished product inspection before packing
- Pre-shipping spot checks to ensure quality
Delivery Information
Samples: 1-3 working days
Mass Production Order: 3-7 working days
Packaging: Plastic Bag, Carton and Pallet available per request
Frequently Asked Questions
Q1: How can I get your catalogue and price list?
A1: Please provide your email or contact information through our
website for catalogue and pricing.
Q2: Can I negotiate the prices?
A2: Yes, we consider discounts for multiple container loads of
mixed goods.
Q3: How much will the shipping charges be?
A3: Shipping charges depend on shipment size and method. We provide
quotes upon request.
Q4: Can I visit you?
A4: Yes, our factory is in Shenzhen, China. Please contact us to
schedule an appointment.
Q5: What if there is quality problem when we get the goods?
A5: If quality issues arise, provide photos for our reference. Our
QC department will investigate and provide solutions while
implementing future quality improvements.
Q6: What is your terms of packing?
A6: Standard packing includes blister box and cartons. Customized
packing available per customer requirements.
Q7: What is your terms of payment?
A7: T/T 30% deposit, 70% balance before delivery. We provide
product and package photos before final payment.
Q8: What is your terms of delivery?
A8: EXW, FOB, CFR, CIF, DDU available.
Q9: How about your delivery time?
A9: Generally 5-7 working days after receiving advance payment.
Specific timing depends on items and order quantity.
Q10: Can you produce according to the samples?
A10: Yes, we can produce based on your samples or technical
drawings.
If you're interested in our products or have any questions, feel
free to contact us at any time!
