| Model | HSV-610 | HSV-620 | HSV630A/B/C | HSV-640 | HSV-670 | HSV-680 |
| Wavelength(nm) | 1310 | 1310 | 1310 | 1310 | 1310 | 1310 |
| 1550 | 1550 | 1550 | 1550 | 1550 | 1550 |
| | | 1625 | | | |
| | | 1650 | | | |
| | | 1490 | | | |
| wavelength accuracy(nm) | ±20 |
| dynamic(dB) | 32/30 | 35/33 | 37/35/35 | 40/38 | 43/41 | 45/43 |
| event dead zone(m) | 1.5 | 1 | 0.8 | 0.8 | 0.8 | 0.8 |
| atten. dead zone(m) | 6 | 5 | 4 | 4 | 4 | 4 |
| pulse width(ns) | 3ns 5ns 10ns 20ns 50ns 100 ns 200ns 500ns 1us 2us 5us 10us 20us |
| distance range | 100m 400m 1.5km 3km 6km 12km 25km 50km 100km 200km 400km |
| distance accuracy(m) | 0.1(HSV-610/HSV-620), V0.5(HSV-630/A/B/C/HSV-640/HSV-670/HSV-680) |
| sampling points | 12800 | 25600 |
| refractive index range | 1.30000-1.70000 |
| linearity(dB/dB) | ±(0.75m+0.005%*distance+sampling resolution) | ±(0.75m+0.001%*distance+sampling resolution |
| distance accuracy(m) | 0.03 |
| Loss threshold(dB/dB) | 0.01 |
| Loss resolution(dB/dB) | 0.001 |
| Measurement time | 5s-5mins, real-time |
| Real-time refresh(Hz) | 4 |
| Power meter | Calinrated wavelength:1310nm/1550nm |
| working wavelength:850nm/980nm/1300nm/1490nm/1610nm/ |
| dynamic:-70dB~+10dB, ±0.17dB accuracy |
| VFL | 650nm±10nm, 10nW |
| FIBER INSPECTION PROBE | 250X, USB2.0 |
| stabilized light source | HSV-610/HSV-620:1310NM/1550NM,-11dBm;HSV-630/HSV-640/HSV-670/HSV-680:1310nm/1550nm,-4dB; HSV-630A/B/C:1310nm/1490nm/1550nm/1625nm/1650nm/-4dB |
| Display | 7 in (178mm) outdoor-enhanced touchscreen,800*480TFT |
| Dinterfaces | TWO USB 2.0 ports, RJ-45*1,LAN, 10/100Mbit/s, Macro SD*1 |
| Storage | 8GB internal mermory (80000 OTDR traces),8GB SD cARD(80000 OTDR traces) |
| Battery life | 7.4v, 5300mAh lithium battery pack, 39.22Wh supports 8 hrs, continuous(at max charge) |
| Power consumption | <3W |
| Power supply | POWER supply AC/DC adapter,AC input 100-24V,50-60Hz, DC out 12V,1.5A |
| Applicable environmently | Operating temperature range:-10℃-+50℃,Relative humidity:-40℃-+70℃ |
| size&weight | W196*H172*D72mm <1.5kg |
| language | Chinese, English, Spanish,Russian, Italian, Portuguese,(option for Franch, Russian, German,Korean&Arabic) |
