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D-TECH Mini Pro OTDR Series 300
Variant Specifications
DT-300 Series OTDR
Compact Multi-Function OTDR • SC Connector • Touch Screen • OPM • VFL • Light Source
The D-TECH DT-300 Series OTDR is a compact and lightweight optical testing instrument designed for FTTH deployment, ISP maintenance, telecom troubleshooting, and fiber optic network certification. Combining OTDR, Optical Power Meter, Visual Fault Locator, Optical Light Source, Event Map, and Flashlight functions in a single device, it provides an efficient all-in-one testing solution.
Featuring a 3.5-inch capacitive touch screen, support for multiple wavelengths, standard .SOR file format, online testing capability, and up to 80km measurement range, the DT-300 Series is ideal for both field engineers and network maintenance teams.
Key Features
General Specifications
| Category | Specification |
|---|---|
| Product Type | Optical Time Domain Reflectometer (OTDR) |
| Models | DT-300-D1 / DT-300-D2 |
| Display | 3.5-inch Color Capacitive Touch Screen |
| Functions | OTDR, Event Map, OPM, VFL, Light Source, Flashlight |
| Fiber Type | G.652D |
| Wavelength Options | 1310 / 1550 / 1610 / 1625 / 1650 nm |
| Connector | Universal / SC |
OTDR Performance
| Parameter | Specification |
|---|---|
| Dynamic Range | Up to 22 dB |
| Event Dead Zone | 2 m |
| Attenuation Dead Zone | 8 m |
| Measuring Range | 100 m – 80 km |
| Pulse Width | 5 ns – 10 μs |
| Accuracy | ±(1 m + Sampling Interval + 0.005% × Distance) |
| Linearity | ±0.2 dB/dB |
| Sampling Points | Up to 20,000 |
| Sampling Resolution | 25 cm – 8 m |
| Loss Resolution | 0.001 dB |
| Range Resolution | 0.001 m |
| Refractive Index | 1.0000 – 2.0000 |
| Reflection Accuracy | ±3 dB |
| File Format | Standard .SOR |
Additional Functions
| Feature | Specification |
|---|---|
| Safety Level | OTDR/LS: Class 2, VFL: Class 3B |
| Online Testing | Supported (Max 0 dBm) |
| Optical Protection | Automatic Protection |
| OPM Wavelength | 850 ~ 1650 nm |
| OPM Range | -70~+10 dBm / -50~+26 dBm |
| Light Source | FP-LD / DFB |
| VFL | 650nm Red ≥10mW / 515nm Green ≥10mW |
| Frequency | 270Hz / 330Hz / 1kHz / 2kHz |
| Output Power | -5 dBm ±3 dB |
System & Physical Specifications
| Parameter | Specification |
|---|---|
| Battery | 2000mAh / 3.7V |
| Working Time | Approximately 8 Hours |
| Standby Time | Approximately 15 Hours |
| Charging Interface | USB Type-C |
| Memory | Internal ≥400 Records + External SD Card |
| Operating Temperature | -10°C ~ +50°C |
| Storage Temperature | -40°C ~ +70°C |
| Humidity | 0% ~ 90% Non-Condensing |
| Dimensions | 130 × 78 × 35 mm |
| Weight | 215 g |
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