Specification :

Optional 10 minutes Auto-off function
Specifications
Type RY-PM-300 A RY-PM-300 C
Wavelength( nm) ( 650nm to 1650nm )
Detector InGaAs
Measurement Range ( dBm) -70~ + _3 -50~ + 26
Uncertainty + 5%
Calibrated Wavelength( nm) 650, 850, 980, 1300, 1310, 1490, 1550 ( more calibrated wavelength can be optional)
Resolution( dB) Linear 0.1% or Non-linear 0.01dBm
Optical Connector FC/ Universal 2.5mm adaptor ( FC, SC, ST interchangeable connector can be optional)
Power Supply Alkaline Battery( 3 AA 1.5V batteries)
Battery Operating Time 240 h with 1.5V Battery( 3)
Operating Temperature( oC) _10 ~ + 60
Storage Temperature( oC) _25 ~ + 70
Relative Humidity 152x74x26
Dimension( mm) 0 to 95% ( non-condensing)
Weight 290 g