it integrates both an optical power meter module and an optical light source module and can perform closed-loop tests by using both modules,and can also work individually. It is specifically designed for technical support personnel to test a variety of instruments with a single meter and thus satisf
| 
 Type  | 
 ST-  | 
 ST-3204B  | 
 ST-  | 
 ST-3204D  | 
| 
 Optical Power Meter Module  | ||||
| 
 Detector Type  | 
 IngaAs  | |||
| 
 | 
 -70~+3  | 
 -60~+10  | 
 -30~+20  | 
 -20~+30  | 
| 
 Uncertainty   | 
 5%  | |||
| 
 Calibrated wavelengths(nm)  | 
  850,980,1310,1550nm  | |||
| 
 Rosolution(dB)  | 
 0.01  | |||
| 
 Optical Connector  | 
 FC(interchangeable SC,ST)  | |||
| 
 Optical Light Source Module  | ||||
| 
 Emitter Type  | 
 FP-LD  | |||
| 
 Wavelengths  | 
 1310/1550(other wavelengths can be optional)  | |||
| 
 Ouput Power(dBm)  | 
 -7  | |||
| 
 Spectral Width  | 
 ≤10nm  | |||
| 
 Output Stability   | 
 ±0.05dB/15mins;  ±0.1dB/ 8hours  | |||
| 
 Optical Connector  | 
 FC/ PC                                                                                         | |||
| 
 General Specifications of Multi Meter  | ||||
| 
 Power Supply  | 
 Rechargeable Battery + Power Supply Adaptor  | |||
| 
 | 
 ≥4 hours(Both Power Meter and Ligh Source are working)                                                   ≥28hours(Only Power Meter is working)  | |||
| 
 Auto-off time   | 
 10mins  | |||
| 
 Operating Temperature(℃)  | 
 -10~+60  | |||
| 
 Storage Temperature(℃)  | 
 -25~+70  | |||
| 
 Dimension(mm)  | 
 180X85X30  | |||
| 
 Weight (g)  | 
 340  | |||
| 
 MODEL  | 
 INCLUDES  | 
| 
 All ST-3204 Models  | 
 ST-3204 Optical Multimeter, Protective Rubber Boot, Rechargeable battery, Power Supply Adaptor, Instruction Manul and Contton Tampon.  |