MAY20 Series Optical Power Meter FC Adapter for OPM Port (Standard) SC Adapter for OPM Port (Standard) ST Adapter for OPM Port (Optional) Male FC to female LC adapter for LC connector (Optional) EU Power Adapter (Optional) US Power Adapter (Optional) UK Power Adapter (Optional) Feature:Simultaneous linnear (mW) and non-linear (dBm) displayAutomatic frequency identificationThreshold settingSupport 1,000 data storageSupport USB connection with PC for data transferSupport Backlight Level 4Support user self-calibrationSupport FC/SC/ST interfacesSupport USB Power Supply Specification: Model MAY20A MAY20B Measuring Range -70 to +10dBm -50 to +26dBm Calibrated Wavelength 850/980/1300/1310/1490/1550/1625/1650nm Detector Type InGaAs Resolution Linear display: 0.1%, logarithmic display:0.01dBm Linearity ±5% Automatic Shutoff Time 10min Continuous Working Time 12h Data Storage 1,000 Connector Interchangeable FC, SC, ST Tone Detection 270, 330, 1k, 2kHz Power supply Rechargeable Lithium battery (2400mAh) Backlight Yes USB Interface Yes Dimension 186*100*50mm Net Weight 240g Operating Temperature -10 to +50℃ Storage Temperature -40 to +70℃ Relative Humidity 0~95% (non-condensing) Visual Fault Locator: Wavelength 650±30nm Output Power 10 or 30mW for option Modulation Frequency CW/1Hz/2Hz Connector Universal 2.5mm adapter (FC/SC/ST) Standard Accessory: Item Name Quantity 1 Optical Power Meter with FC Adapter 1pc 2 User Manual 1pc 3 2400mAh Lithium Battery 1pc 4 Data Line 1pc 5 SC Adapter for OPM port 1pc 6 CD with software 1pc 7 Soft Bag 1pc Optional Accessory: Item Name Quantity 1 ST Adapter for OPM port 1pc 2 Male FC to female LC adapter for LC connector for OPM port and VFL port 1pc 3 AC/DC Power Adapter 1pc Ordering Information: Model: MAY20X-X Model X: OPM Range X: VFL MAY20 A: -70~+10dBm 10: 10mW B: -50~+26dBm 30: 30mW