CIRCON NK280 Optical Power Meter & Multi-Function Tester

The NK280 is a portable and multi-functional fiber testing tool from Circon, engineered for fast, precise, and versatile diagnostics in optical communication networks. Whether you're testing optical power, locating faults, tracking RJ45 cables, or identifying signal frequencies, this compact device delivers dependable results across a wide range of applications. Designed with ergonomics and durability in mind, the NK280 features high-sensitivity InGaAs detectors and embedded laser components that withstand harsh environments while ensuring measurement accuracy. Ideal for telecom, CATV, data centers, and sensor network maintenance, it’s a technician’s must-have companion.

Key Features:

• Optical Power Meter Range: Standard: -70 to +10 dBm | Extended: -50 to +30 dBm
• Wavelength Compatibility: 850, 980, 1270, 1300, 1310, 1490, 1550, 1577, 1625, 1650 nm (range: 800–1700 nm)
• Detector Type: InGaAs for reliable fiber signal detection
• Frequency Identification: 270 Hz, 330 Hz, 1 kHz, 2 kHz
• Visible Fault Locator (Optional): ≥10 mW output at 650 ±30 nm, CW/1Hz/2Hz modes
• RJ45 Testing: Includes cable sequence check and optional tracking up to 300 m with digital mode
• Custom Wavelength Recognition & Input Supported
• Display Type: Segment code screen with clear measurement feedback
• Battery: Rechargeable 1500mAh lithium battery — over 24 hours working time
• Automatic Shutdown Settings: Choose from 10, 30, 60, or 120 minutes
• Data Storage: Logs up to 1000 entries, exportable via Type-C data cable
• Environment Resistance: Operates from -10°C to +50°C, humidity tolerance up to 95%
• Build & Size: Compact at 140 × 32 × 73 mm, weighs approx. 235 g
• Connectors Supported: FC/SC universal joints; optional ST

The NK280 streamlines complex testing workflows into one compact, handheld solution. From measuring fiber link loss to tracking Ethernet cables and identifying transmission frequencies, it’s built for high-efficiency diagnostics. With long battery life, universal connector support, and an integrated flashlight, the NK280 is the perfect companion for demanding field operations and lab environments alike.