Choyclit - Optical Power Meter, Fiber Optic Cable Tester with led Light Network Cable Tester

Accurately test whether a single network cable carries signals normally. Added wavelength memory function to store the set test wavelength before shutdown after shutdown. Press LIGHT in different environments to turn the backlight on or off at will. Added LED flashlight lighting function to facilitate line inspection in dark environments. You can perform automatic fit test benchmark based on actual test requirements. Encapsulated enclosure protection can reduce machine damage co.ukom accidental drop to some degree Features: Test range: -70 to + 6dbm Wavelength range: 800 ~ 1700nm Standard wavelength: 850nm, 980nm, 1300nm, 1310nm, 1490nm, 1550nm, 1625nm, 1650nm Uncertainty: ± 5% 650m red light source (optional): Imw, 10mw, 20mw, 30mw Display resolution: linear display 0.1%, logarithmic display 0.01dBm Battery: 2 * AAA batteries, 1.5V, 250mAh Item size: 130 * 63 * 29mm / 5.1 * 2.5 * 1.1in Item weight: 310g / 10.9ounce Package size: 260 * 150 * 100mm / 10.2 * 5.9 * 3.9in Package weight: