KPV‑53 Optical Power Meter Hand Held Visual Fault Locator Red Light Tester Tools Item Type: Optical Power Meter Material: ABS Optical Power Meter: Model: KPM-53 Wavelength Range: 800-1700nm Probe Type: InGaAs Power Measurement Range: -70-+10 Uncertainty: ±5% Fiber Type: SM MM Standard Wavelength: 850nm, 1300nm, 1310nm, 1490nm, 1550nm, 1625nm Connector: FC/SC Display Resolution: Linear Display: 0.1%, Logarithmic Display: 0.01dBm Red Light Source: Working Wavelength: 650nm±10nm Light Source: FP-LD Output Power: 1mW, 10mW, 20mW Connector: 2.5mFC/PC Universal Adapter Working Mode: CW Continuous Light or Modulated Light Modulation Frequency: 2Hz Working Temperature: -20℃ - +75℃ Storage Temperature: -40℃ - +85℃ Automatic Light Machine Time: 10Min Battery Continuous Working Time: 100H (Backlight Off State) Power Supply: 3 x AA Battery (Battery Not Included)