| OTDR |
| Model | QX65-S1 | QX65-S2 | QX65-S3 | QX65-S4 | QX65-S5 | QX65-P1 | QX65-P2 | QX65-P3 | QX65-M | QX65-MS |
| Wavelength (nm) | 1310/1550 | 1310/1550 | 1310/1550 | 1310/1550 | 1310/1550 | PON 1310/1550/1625 (built-in filter) | 850/1300 | 850/1300+1310/1550 |
| Dynamic range (dB) | 32/30 | 35/33 | 40/38 | 42/40 | 45/43 | 32/30/28 | 38/36/34 | 42/40/40 | 20/22 | 20/22 32/30 |
| Number of optical port | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 1 | 2 |
| Event dead zone★①(m) | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 1 | 1 | 0.8 | 1.5 | SM≤1; MM≤1.5 |
| Attenuation dead zone★②(m) | 3 | 3 | 2.5 | 2.5 | 2.5 | 3 | 3 | 2.5 | 5 | SM≤3.5; MM≤5 |
| Splitters Measurement | Max 1:32 | Max 1:64 | | Max 1:128 | | Max 1:32 | Max 1:64 | Max 1:128 | × | Max 1:32 |
| Multi-fiber Measurement | ✓ | | | | ✓ | ✓ |
| Multi-pulse Measurement | ✓ | | | | × | ✓ |
| Distance range (km) | 0.1/0.3/0.5/1.3/2.5/5/10/20/40/80/120/160/260/320 |
| Pulse width (ns) | 3, 5, 10, 30, 50, 100, 200, 300, 500, 1000, 2500, 5000, 10000, 20000 |
| Number of sampling points | Max 250000 |
| Sampling resolution | Min 0.04m |
| Distance measurement accuracy | ±(0.75 m + Measurement distance × 2 × 10⁻⁵ + Sampling resolution) |
| Loss measurement accuracy | ±0.03 dB/dB |
| Return loss measurement accuracy | ±2 dB |
| Optical Power Meter Module (Built-in) | ✓ |
| Wavelength | 800 ~ 1650nm |
| Measure range | -70 ~ +6dBm |
| Measure accuracy | < (±0.2dB or ±5%) |
| Display resolution | 0.01dB |
| Optical input port | 2.5mm Universal ferrule for FC, SC, ST/ UPC |
| Stabilized Light Source Module (Built-in) | ✓ |
| Wavelength (nm) | 1310/1550 | 1310/1550/1625 | 850/1300 | 850/1300+1310/1550 |
| Output power | ≥-10dBm |
| Modulation mode | CW, 270 Hz, 1 kHz, 2 kHz |
| Laser class | Class 1M or Class 1 |
| Optical input port | OTDR port |
| Visual Fault Locator Module (Built-in) | ✓ |
| Wavelength (nm) | 650±10nm |
| Output power | 10mW |
| Modulation mode | CW, CHOP (2 Hz) |
| Laser class | Class 3R |
| Optical input port | 2.5 mm Universal ferrule type for FC, SC, ST |
| Fiber Inspection Probe (Built-in) | Optional |
| Pass / Fail | ✓ |
| Magnification | 400X |
| Resolution(um) | ≥1.0 |
| Electrical interface | USB2.0 |
| Optical Connector | FC/UPC, SC/UPC, ST/UPC |
| CMOS size | 1/3 inch |
| RJ45 Networks Test (Built-in) | ✓ |
| Applicable cable | CAT5, CAT6 |
| Distance of Cable Collation | 300m |
| Distance of emitting signal | 300m |
| GPS Module (Built-in) | Optional |
| Location accuracy | <50m |
| Real-time Monitoring | support |
| WIFI Module (Built-in) | ✓ |
| Data transmission | ✓ |
| Remote Control | ✓ |
| General Specifications |
| Link Map | ✓ |
| Pass/Fail judgment | ✓ |
| Distance unit | m, km, mile, kf |
| PC Analysis Software | ✓ |
| Languages | English, Español, Chinese, Português, Français, Русский, ภาษาไทย, 한국어 |
| Optical connector | FC/UPC (SC/UPC/APC、LC/UPC/APC、FC/APC Optional) |
| Display | 7-inch touch screen (Resolution: 1024 × 600) |
| Port | Charge port × 2, 12V - 2.5A & Type C |
| Operating temperature | -10 ~ 50°C (0 ~ 40°C when AC adapter is being used, 0 to 35°C when battery is charged) |
| Storage temperature | -20 to 60°C |
| Altitude | 4000 m |
| Humidity | 0 to 90% RH (20 to 90% with 739874 AC adapter, non-condensing) |
| Power requirements | 100 - 240V AC, 50/60Hz (AC adapter) |
| Battery | 7.4V, 10500mAh, ≥77Wh |
| LED Light illumination | >1500mcd |
| Operating time★③ | 12 hours |
| Data storage | Internal storage: ≥10000 traces, External storage: USB memory |
| Dimensions | 232 mm (W) × 161 mm (H) × 70 mm (D) |
| Weight | 1.6 kg (including internal battery and protectors, excluding OTDR unit and options) |
Notes:
★①. Minimum pulse width, return loss: ≥55 dB (≥40 dB for 850/1300 nm), group refractive index: 1.5, the unsaturated peak level <1.5dB.
★②. Minimum pulse width, group refractive index: 1.5, the backscatter level is >0.5dB of the normal level. For SMF, at 1310nm, return loss: ≥55dB. For MMF, at 850nm, return loss: ≥40dB.
★③. New Battery
All specifications valid at 23°C ± 2°C (73.4°F ± 3.6°F) unless otherwise specified.