| Product | OPM & VFL | OPM |
| Type | OPM-33V | OPM-33 |
| OPM
Parameters | Wavelength Range (9) | 850~1650(nm) |
| Calibration Wavelength(9) | 850/1270/1300/1310/1490/1550/1577/1625/1650(nm) |
| Power Measurement Range | -70~+6(dBm) |
| Uncertainty/Accuracy | <(±0.2dB or ±5%) |
| Power Stability | ±0.1dB |
| Resolution Ratio | 0.01dB |
| Internal Storage | 900 |
| User Self-Calibration | √ |
| VFL Parameters | Operating Wavelength | 650±10(nm) | / |
| Optical Source | LD Laser Source |
| Output Power | 10mW |
| Operating Mode | CW (Continuous Wave) or Modulated Light |
| Modulation Frequency | CW,2kHz |
| Laser Safety Class | Class 3R |
| General
Parameters | Auto Power-Off Time | 10min |
| Language | English, Chinese, Spanish, French, Portuguese, Russian, Thai, Korean |
| Optical Fiber Port | FC/UPC(SC/UPC Optional) |
| Display Screen | 4.3-inch color LCD display screen |
| Port | Charging Port x1,USB 2.0x1,RJ45x1 |
| Working Temperature | -10-50℃(0-40℃ for use with power, 0 to 35 ℃ battery charging) |
| Storage Temperature | -20~60°C |
| Height | 4000 m |
| Humidity | 0 to 90% RH (20%-90% 739874 AC adapter, non-condensing) |
| Power Mode | 100-240V AC, 50/60Hz (AC adapter) |
| Battery | 3.7V, 5000mAh, ≥18.5Wh |
| Lighting | Light Intensity>15000mcd |
| Data Storage | Memory: Save 100 pieces of data for each wavelength(OPM); External Storage:USB |
| Size/Weight | 179 mm (W)x 112 mm (H) x 48 mm(D/0.6 kg (Unit + Battery) |