MAY122 Series Optical Power Meter with VFL and RJ45 Cable Sequence Without RJ45 Cable Sequence and with Lithium Battery: Standard Accessories With RJ45 Cable Sequence: RJ45 Ethernet Cable Sequence (Optional) Network Test Remote for RJ45 Ethernet Cable Sequence (Optional) SC Adapter for OPM Port (Optional) Feature:User calibrationWavelength memory functionLED light for dark environmentSuitable for SM and MM fibersAuto power-offSupport BacklightLow battery indicationBoth linnear (mW) and non-linear (dBm)Optional VFL and RJ45 Cable Sequence functions Specification: Model MAY122A MAY122B Measuring Range -70 to +6dBm -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 120h (OPM operation) Connector Universal 2.5mm adapter (FC/SC/ST) Power supply 2pcs*AAA dry batteries or Rechargeable Lithium battery (700mAh) Backlight Yes Dimension 112*66*30mm Net Weight 140g / 150g Operating Temperature -10 to +50℃ Storage Temperature -40 to +70℃ Relative Humidity 0~95% (non-condensing) Visual Fault Locator (Optional): Wavelength 650±30nm Output Power 2, 10, 30, 50mW for option Modulation Frequency CW/1Hz/2Hz Connector Universal 2.5mm adapter (FC/SC/ST) RJ45 Ethernet Cable Sequence (Optional): Test Range 300m Standard Accessory: Item Name Quantity 1 Optical Power Meter 1pc 2 User Manual 1pc 3 Wrist Belt 1pc 4 AA Dry Batteries 2pcs (for dry battery model) 5 700mAh Lithium Battery 1pc (for Lithium battery model) 6 Data Line 1pc (for Lithium battery model) Optional Accessory: Item Name Quantity 1 Network Test Remote for RJ45 Ethernet Cable Sequence 1pc 2 SC Adapter for OPM Port 1pc Ordering Information: Model: MAY122X-X-X-X Model X: OPM Range X: Battery X: VFL X: RJ45 Cable Sequence MAY122 A: -70~+6dBm D: Dry Battery None: without None: without B: -50~+26dBm L: Lithium Battery 2: 2mW S: with 10: 10mW 30: 30mW 50: 50mW