| 
 Model   | 
 TW-3C04  | 
 TW-3C0B  | 
| 
 Central wavelength  | 
 650nm±20 nm  | |
| 
 Lumination parts  | 
 LD  | |
| 
 Output power  | 
 ≥2mW  | 
 ≥5mW  | 
| 
 Spectrum width  | 
 ≤5 nm  | |
| 
 Impulse modulation  | 
 Continuous light or 1Hz modulated light  | |
| 
 Fiber identification distance  | 
 ≥5km  | 
 ≥9km  | 
| 
 Optical fiber type  | 
 Single mode fiber(SM)or multimode fiber (MM)  | |
| 
 Adapter type  | 
 FC,SC,ST  | |
| 
 Power supply  | 
 Two 1.5V AA alkaline cells  | |
| 
 Working time  | 
 80 hours/50 hours(modulated light/continuous light)  | |
| 
 Working temperature  | 
 -10~50℃  | 
| 
 Storage temperature  | 
 -20~70℃  | 
| 
 Relative humidity  | 
 0~95%(not frost)  | 
| 
 Dimensions(mm)  | 
 Length:196mm, Diameter: :26mm  | 
| 
 Weight   | 
 200g  | 
| 
 No.  | 
 Item   | 
 Qty   | 
| 
 1  | 
 TW-3C04 Optical Visual Fault Locator  | 
 1 set  | 
| 
 Bundle accessories  | ||
| 
 2  | 
 Light source output connector(ST, SC, FC)  | 
 1 pcs for each  | 
| 
 3  | 
 Two 1.5 V AA alkaline cells  | 
 2 pcs  | 
| 
 4  | 
 User’s manual  | 
 1 pc  | 
| 
 5  | 
 Packing list   | 
 1 pc  | 
| 
 6  | 
 Warranty/Certificate  | 
 1 pc  |