| Type | TM290T |
| Wavelength | 1310/1550nm |
| Dynamic Range | 22/20dB |
| Measure distances | 0-60km |
| Fiber type | SM |
| Type of Fiber | 9/125um Single-mode optical fiber |
| Type of Connectors | FC/PC/; SC/PC |
| Peak Value of laser | >=30mW |
| UOM of Measurement | Meter,Feet,Mile |
| Dead Zone of Reflection Event | 2m |
| Dead Zone of attenuation Event | 12m |
| Accuracy Distance (Reflection Event) |
About +_(1m+2 *10(-4)* distance) |
| Number of test records saved | 100 |
| Power Supply | 8.4V Li-ion Battery 4400mAH |
| Battery working time | >=5,000 times of measurements |
| Temperature | Operate :-5~50 ,Store:-10~60 |
| Humidity | 0~85%(Non-condensing) |
| Weight(g) | 300 |
2. Visual Fault Locator
| Wavelength : | 650nm |
| VFL Output Power | >=10mW |
| Mode | 0Hz，1Hz，2Hz |
| Fiber type | SM/MM |
3. Optical Power Meter
| Measurement range dBm | -70～+10 dBm | -50～+26 dBm |
| Wavelength range（nm） | 800～1650 | |
| Calibrated wavelength | 850nm、1300nm、1310nm、1490nm、1550nm、1625nm（other wavelength will be on request） | |
| Detector | InGaAs | |
| Accuracy | <±3% （-10dBm、22℃） | |
| Resolution | Linearity：0.1%，Non-linearity：0.01dBm | |
| connector | Movable FC/PC SC/PC，( ST as Optional) | |
4. Optical Light Source
| Emitter | FP-LD |
| wavelength (nm) | 1310/1550nm |
| Connector | FC/PC（SC/ST as optional） |
| Output power | ≥-5dBm |
| Output stability(dBm) | ±0.04@20℃@15min |
| Modulation | CW/270Hz/1KHz/2KHz |
| Fiber type | SM |
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