Features 1、Accurate Measurement: This PON power meter provides accurate power measurement at wavelengths of 1310nm, 1490nm, and 1550nm, with high isolation. 2、User Friendly Design: Equipped with a color LCD screen, this power meter provides clear and easy to read results, also allows for threshold settings and data storage of up to 10 records. 3、Versatile Compatibility: The PON power meter uses for APC fiber connector, can be easily interchangeable with SC or ST connector, suitable for different fiber optic setups. 4、Good Performance: The optical power meter adopts sensitive chip with sturdy internal structure, high accuracy, optional switching display, and automatic power off function. 5、Multiple Usages: This handheld PON optical testing device can help check the performance of cables, calculate relative power loss, locate faults, and troubleshoot them. Specification Item Type: PON Power Meter Test Wavelength 1310±50nm 1490±15nm 1550±10nm Isolation 1310nm >40dB >40dB Isolation 1490nm >40dB >40dB Isolation 1550nm >40dB >40dB Measuring Range -35-10dBm -40-12dBm -40-25dBm Measurement Uncertainty: ≤0.5dB Insertion Loss: ≤1.5dB Detector Type: For InGaAs Display Resolution: 0.1dB Fiber Type: SM 9/125μm Threshold Settings: 10 Sets Fiber Connector: For APC (interchangeable SC, ST) Display: Color LCD Screen Data Storage: 10 records Data Interface: Micro USB Power Supply: 3 x 1.5V AA Battery (not included) Battery Life: Standby >20 hours Operating Temperature: -10-+50℃ Storage Temperature: -40-70℃ Relative Humidity: 0-95% non condensing Package List 1 x Optical Power Meter 3 x Adapter Heads 1 x Storage Bag 3 x Accessories 1 x Cable Tie