Dictaphone Accessories -Optical Energy Meter Test Highlights Generic Brand Optical Energy Meter Test Description: Fast and accurate. No waiting for warm-up, just plug and play. +/- 5% uncertainty, measurement from -70 to +3 dBm, relative power calculation, calibration function. Sustainable. Sensitive chip and robust internal structure. Low battery consumption, 48 working hours for continuous operation (3 AA batteries not included) Clear blue screen. Detail means business, a distinct result or display of information guarantees the satisfaction of user experience. 6 wavelengths and light source. 850/1300/1310/1490/1550/1625 nm + 5KM red light locator + SC / FC / ST adapter. Covering most of CCTV CATV communication engineering maintenance needs. Convenient convenient size. 7.1x3.7x1.8 inches, your trusted easy-to-carry fiber tester. Specification: Calibrated Wavelength (nm): 850 nm, 1300 nm, 1310 nm, 1490 nm, 1550 nm, 1625 nm Measurement Range (dBm): -70 - +3 Resolution (dB): linear 0.1% / no linear 0.01dBm Connector: SC, FC, Working hours: > 48 hours Package includes: 1 piece optical meter 1 piece FC, SC connector 1 piece bag 1 piece strap