UT691B Series Fiber Optic Engineering Pen
NewThe UT691B Series Fiber Optic Engineering Pen merges optical power measurement and VFL fault detection functions. Its robust metal construction guarantees reliable field performance, while the universal 2.5mm connector fits most fiber cables. Ideal for on-site fiber construction, it is a must-have portable tester for fiber engineering works.
Key Features
Features
- Powerful Red Light, Easily Locate Breakpoints
- Fiber Optic Power Measurement
- 5m Universal Connector
- Built-in High-Power LED Flashlight
5. Mini & Compact, Easy to Carry
6. Metal Body
7. Built-in Offset Setting
8. Lithium Battery USB Direct Charging
Technical Specification
| Model | UT691B-30T | UT691B-30C |
|---|---|---|
| Technical Details | ||
| Detector Type | InGaAs | |
| Response Wavelength | 700~1700nm | |
| Calibrated Wavelengths | 850/980/1270/1300/1310/1490/1550/1577/1625/1650nm | |
| Power Range | T-type (-70~+10dBm) | C-type (-50~+30dBm) |
| Accuracy | ±0.2dB(1550nm) ±0.3dB(1310nm/1490nm/1625nm) ±1dB(850nm/1300nm/980nm/1270nm/1577nm/1650nm) ±1dB(1270nm/1577nm/1650nm) T-type accuracy range: -55dBm~+3dBm, other references are as follows: ±0.8dB: +3dBm~+6dBm, -60dBm~-55dBm@1550nm test wavelength; ±3.0dB: +6dBm~+10dBm,-65dBm~-60dBm@1550nm test wavelength. C-type accuracy range: -35dBm~+23dBm, other references are as follows: ±0.8dB: +23dBm~+26dBm,-40dBm~-35dBm@1550nm test wavelength, ±3.0dB: +26dBm~+30dBm, -45dBm~-40dBm@1550nm test wavelength; |
±0.4dB(1310nm/1490nm) ±0.4dB(1550nm/1625nm) ±1dB(850nm/1300nm/980nm) ±1dB(1270nm/1577nm/1650nm) T-type accuracy range: -55dBm~+3dBm, other references are as follows: ±0.8dB: +3dBm~+6dBm, -60dBm~-55dBm@1550nm test wavelength; ±3.0dB: +6dBm~+10dBm,-65dBm~-60dBm@1550nm test wavelength. C-type accuracy range: -35dBm~+23dBm, other references are as follows: ±0.8dB: +23dBm~+26dBm,-40dBm~-35dBm@1550nm test wavelength, ±3.0dB: +26dBm~+30dBm, -45dBm~-40dBm@1550nm test wavelength; |
| Red Light Wavelength | 650nm±20nm | |
| Interface | 2.5mm Universal Connector | |
| Resolution | 0.01dBm | |
| Red Light Source Output Power | 30mW | |
| Red Light Mode | CW/2±1Hz Flash | |
| Features | ||
| Wavelength Memory | ✔ | |
| LED Light | ✔ | |
| Screen Backlight | ✔ | |
| General Information | ||
| Charging Port | Type-C port | |
| Operating Environment | 0-50℃@Use; 0-45℃@Charge; <90%RH No Condensation | |
| Storage Environment | -20℃-45℃ | |
| Product Dimensions | 170mm×25mm×25mm | |
| Standard Accessories | Fiber Optic Engineering Pen*1 Gift Box*1 Cloth Bag*1 PE Bag*1 Type-C Charging Cable*1 User Manual*1 |
|
| Battery | 1800mAh Built-in Lithium Battery | |
| Product Weight | About 125g | |
| Standard Quantity Per Carton | 20pcs | |
| Test conditions | Test conditions: 23°C±2°C, 40%-60%RH, FC/PC connector. | |
Application
