The NK302 Optical Multimeter is a versatile fiber testing device designed for installation, maintenance, and troubleshooting. Combining Optical Power Meter, Laser Source, and Visual Fault Locator functions, it supports multi-wavelength calibration, automatic frequency identification, and dual-unit display. With compact ergonomic design, rechargeable battery support, and over 12 hours working time, it offers reliable and efficient performance for field engineers.
Product Features
- Support simultaneous display of mW, dBm, and dB
- Support backlight switch
- 4-level backlight dimming adjustment
- Integrated LS / OPM / VFL functions
- Lithium battery (optional) with portable charging support
- Support FC / SC / ST interchangeable interface
- Support automatic frequency identification
- Working time over 12 hours
Specifications
OPM
Wavelength Range
800nm–1700nm
Connector
Universal FC / SC / ST
Detector Type
InGaAs
Power Measurement Range
-70dBm to +6dBm
-50dBm to +26dBm
Uncertainty
±5%
Calibration Wavelength
850nm / 980nm / 1300nm / 1310nm / 1490nm / 1550nm / 1625nm / 1650nm
Display Resolution
Linear display: 0.1%
Logarithmic display: 0.01dBm
Frequency Detection
270Hz / 330Hz / 1000Hz / 2000Hz
LS
Wavelength
1310nm ±20nm / 1550nm ±20nm
Laser Type
FP-LD
Output Power
≤ -5dBm
Stability
±0.05dB / 30min
Connector
FC / UPC
VFL
Wavelength
650nm ±30nm
Output Power
2mW / 10mW / 30mW
Mode
CW / 1Hz / 2Hz
Connector
FC / UPC
Others
Power Supply
3 × AA batteries / 1500mAh Rechargeable Lithium Battery (Optional)
Automatic Shutdown Time
10 minutes
Continuous Working Time
≥12h (OPM function)
Operating Temperature
-10°C to +50°C
Storage Temperature
-40°C to +70°C
Relative Humidity
0–95% Non-Condensing
Size
186mm × 100mm × 50mm
Weight
240g
