Noyafa NF-919 Fiber Optic Tester Energy Meter Light Source 3-in-1 Function 

• 3-In-1 Tester for Fiber Optics. Find three features in one compact device, optical meter, source light, and, visual fault locator. Check continuity, test loss, and find physical damages.
• Pocket-Sized Design. Made to be handheld, it's smaller than a mobile phone, carry this optical tester anywhere you go. Put it in your pocket or toolbag at ease.
• 3 Fiber Optic Interfaces. From the most common fiber optic connector SC to FC and ST, connect any of these fiber cables to NF-911 and run a test.
• Protection Caps. To reduce the pollution of dust, we provide protection caps to 3 fiber optic jacks. 
• Accurate Testing Result. Make every test result precise with an error of less than 0.3 dB.
• High-Definition Display. Large color screen clearly displays data, easy to operate. 
• Long-lasting Battery. Built-in 1,500mAh lithium battery, type-C charging interface, intelligent protection.
• Durable and Portable. ABS plastic and silicone edge protection, impact-resistant, lightweight and portable, one-hand operation.
• Automatic shutdown after 30 minutes of inactivity, low battery indicator to ensure timely charging.

 Specifications

Model: NF-919

Display: Color LCD

Light source function:

• Wavelength: 1310/1550nm
• Frequency: 00Hz, 270Hz, 1000Hz, 2000Hz

OPM test function:

• Unit: dBm/(m, u)nW
• Wavelength: 850nm, 1300nm, 1310nm, 1490nm, 1550nm, 1625nm
• REF function

Red light function:

Frequency: 00Hz & 01Hz (Steadyon/Flashing)
Wavelength: 650nm

Auto-off: Shut off if no any operate for 30 mins (this function can set on/off)

Low battery indication: ✓

Working temperature: -20°C~50°C

Power supply: 3.7V 1500mA lithium

Product dimension: 139x84x29mm