Overview:
DT-22 is a highly cost-effective optical multimeter offered by the company. It integrates both a power meter and a light source, providing comprehensive functionality. DT-22 is equipped with features for recording, storing, and uploading test data, making it suitable for various applications in fiber-optic line project construction, testing, and maintenance. It finds extensive use in digital data networks, telecommunication networks, and cable television setups.
Key Features:
- Convenient mode switching function for ease of use
- Stable output light for reliable performance
- Automatic switching function for internal source wavelength
- Detection of frequency light for accurate measurements
- USB data communication for storage, uploading, and power supply
- Data storage capacity of up to 1000 entries
- Real-time data reading capability for integration into systems
Applications:
- Telecommunication project maintenance
- CATV project maintenance
- Maintenance of digital data network projects
- Optical communications teaching and research
- Various other fiber-optic projects
Technical Specification:
| Parameter |
Specification |
| Power Meter |
DT-22A |
| Calibration Wavelength (nm) |
850, 1300, 1310, 1490, 1550, 1625 |
| Testing Range (dBm) |
-70 to +6 |
| Display Resolution (dB) |
0.01 |
| Uncertainty (dB) |
<+0.25 |
| Linearity (dB) |
<+0.1 |
| Frequency Identification Range |
<10 k |
| Source Range (dBm) |
-70 to +6 |
| Working Wavelength (nm) |
1310/1550 (customizable) |
| Typical Output Power (dBm) |
-5 (customizable) |
| Stability (dB, 30 min, 20°C) |
≤0.1 dB |
| Modulation Frequency (Hz) |
CW, 270 Hz, 1 kHz, 2 kHz |
| Power Supply |
3 AA 1.5V battery / Mini USB 5V adapter |
| Auto-off Time (min) |
10 |
| Battery Continuous Operation Time |
Source ON: ≥50 h, Source OFF: ≥200 h |
| Communication Interface |
Mini USB |
| Working Temperature (°C) |
-10 to +60 |
| Storage Temperature (°C) |
-25 to +70 |
| Size (mm) |
175 × 90 × 44.5 |
| Weight (g, not including battery) |
265 |
MultiMeter Laser source with OPM