With the large capacity of data storage, its very convenient for field testing and transfering the test results to PC through USB interface..
| FHM2A02 | FHM2B02 | |||
| Power Meter | 
 Calibration wavelength (nm)  | 
 850/1300/1310/1490/1550/1625  | ||
| 
 Connector  | 
 Interchangeable FC/SC/ST for PC/APC  | |||
| 
 Data storage (items)  | 
 999  | |||
| 
 Ref. Value  | 
 Yes  | |||
| 
 Display Units  | 
 dB / dBm / mW /μW  | |||
| 
 Display precision (dB)  | 
 0.01  | |||
| 
 Accuracy  | 
 ± 5%±1nW   | |||
| 
 Wavelength Recognition  | 
 1310/1490/1550 
(input power ≥-40dBm)  | |||
| 
 Tone Detection  | 
 270 Hz / 1KHz / 2KHz 
(input power ≥-40dBm)  | |||
| 
 Measuring Range��dBm��  | 
 -70 to +10  | 
 -50 to +26  | ||
| Laser Source | 
 Output wavelength (nm)  | 
 1310/1490/1550  | ||
| 
 Connector  | 
 Interchangeable FC/SC/ST for PC( APC is available at time of ordering)   | |||
| 
 Modulation frequencies   | 
 270/1K/2K Hz   | |||
| 
 Output Power  | 
 -5dBm±0.5dB   | |||
| 
 Stability  | 
 Long-term��8h��  | 
 ±0.1dB @1310/1550nm  | ||
| ±0.2dB @ 1490 | ||||
| 
 Short-term (15min)  | 
 ±0.05dB @ 1310/1550nm  | |||
| 
 ±0.1dB @1490  | ||||
| 
 Wavelength Recognizing Code  | 
 Yes   | |||
| General Specification | 
 Auto Power off  | 
 √  | ||
| 
 Power Supply  | 
  2pcs *NiHM 1.2V, 2000mAh�� AC/DC Adaptor  | |||
| 
 PC interface  | 
 USB  | |||
| 
 Battery Life  | 
> 100 Hours (laser off) | |||
| 
 Storage Temperature  | 
 -20~+70��  | |||
| Operating Temperature | 
 -10~+50��  | |||
| 
 Relative Humidity  | 
 <90% (Non-condensing)  | |||
| 
 Dimension (mm)  | 
 168*76*43  | |||
| 
 Weight (Gram)  | 
 310  | |||
