Optical Power Meter +26 to -50dBm W/ 20mW Visual Fault Locator Fiber Optic Cable Tester/FC Male-LC Female Adapter

Power Measurement Range: +26 to -50dBm
Detector type: Filtered InGaAs
Uncertainty (dB): +/-5%
Calibrated Wavelength(nm): 850, 1300, 1310, 1490, 1550, 1625
Display resolution(dB): 0.01
Optical Connector: FC Adapter
Automatic Close-down: 10min
Power Supply Alkaline Battery(2AAx1.5V)
Operation Temperature: -10 degreeC - +60 degreeC
Storage Temperature: -20 degreeC - +70 degreeC
Relative Humidity: 0-95% (non-condensing)
Dimension(mm): 165*80*35
Weight(g): 280g
Include 1pc Optical Power Meter + 1pc 20mW Visual Fault Locator Fiber Optic Cable Tester 18-20Km + 1pc FC male to LC Female Adapter
Press "ON/OFF" key several seconds to switch power on or off;
Calibration by manual, can offer the guide