General information Live Optical Signal Check Function To have live Optical Signal Check Function, before a test pulse, First check test whether any of the optical fiber live communication optical signals and display the results. It can effectively protect test instrument and communications equi

| 
 Type  | 
 ST-3302A  | 
 ST-3302B  | 
| 
 Dynamic Range(dB)  | 
 32/32  | 
 30/28  | 
| 
 Fiber Type  | 
 Single Mode Fiber  | |
| 
 Wavelength(nm) (±20nm)  | 
 1310/1550  | |
| 
 Display Type  | 
 Colorful  | |
| 
 Emitter Type  | 
 LD  | |
| 
 Connector Type  | 
 FC/PC(Interchangeable SC, ST)  | |
| 
 Measurement Time  | 
 15s、30s、1min、2min、3min  | |
| 
 Attenuation zone  | 
 12m  | 
 18m  | 
| 
 Event dead zone  | 
 2.5m  | 
 5m  | 
| 
 Distance Measurement Accuracy  | 
 ±(1 m + 5×10-5×measurement distance +sample space)  | |
| 
 Attenuation Detect Accuracy  | 
 ±0.05 dB/ dB  | |
| 
 Reflection Detect Accuracy  | 
 ±4 dB  | |
| 
 Date storage  | 
 1000 the test curve  | |
| 
 Date transmission  | 
 RS-232/USB  | |
| 
 VFL output power(dBm)  | 
 ≥-3  | |
| 
 VFL measurement distance (km)  | 
 NON  | 
 5km  | 
| 
 Power Supply  | 
 NiMH chargeable battery/ AC adapter  | |
| 
 Operating Temperature  | 
 0℃ ~ 50℃  | |
| 
 Storage Temperature  | 
 -20℃ ~ 70℃  | |
| 
 Relative Humidity  | 
 0~95%(non-condensing)  | |
