SHOP BY CATEGORY

NK303A NK303B Optical Power Meter

Category Optical Power Meter

The NK303A/B integrates Optical Power Meter, Laser Source, and VFL functions, delivering accurate fiber testing, portable design, and long battery performance for field professionals.

The NK303A and NK303B are multifunction optical testing instruments combining Optical Power Meter, Laser Source, and Visual Fault Locator capabilities. Designed for fiber installation and maintenance, they support multi-wavelength calibration, automatic frequency identification, and simultaneous display of mW, dBm, and dB. With rechargeable lithium battery, compact structure, and over 12 hours working time, they provide efficient and reliable testing performance in various field environments.

Product Features

Support simultaneous display of mW, dBm, and dB
Support backlight switch
Automatic wave recognition (optional, LS required)
Integrated LS / OPM / VFL functions
Lithium battery with portable charging support
4-level backlight dimming
Support user automatic calibration
Working time over 12 hours
Support automatic frequency identification
Support FC / SC / ST interchangeable interface

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

Storage
1000 traces

LS

Wavelength
1310nm ±20nm / 1550nm ±20nm

Laser Type
FP-LD

Output Power
≤ -5dBm

Stability
±0.05dB / 30min

Mode
CW / 270Hz / 330Hz / 1000Hz / 2000Hz

Power Regulation
0–6dB, 1dB Step

Connector
FC / UPC

VFL

Wavelength
650nm ±30nm

Output Power
≥10mW

Mode
CW / 1Hz / 2Hz

Connector
FC / UPC

Others

Power Supply
2400mAh Rechargeable Lithium Battery

Automatic Shutdown Time
10 minutes

Continuous Working Time
≥12h

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

Explore Similar Products

NK530 Optical Power Meter

The NK530 CWDM Optical Power Meter supports up to 18-channel wavelength testing with high accuracy, compact design, and integrated multifunction capabilities.

NK306 Optical Fiber Ranger

Compact and precise, the NK306 Optical Fiber Ranger quickly detects fiber fault locations with OTDR-based measurement and integrated VFL in a portable design.

NK305 Optical Power Meter

The NK305 Variable Optical Attenuator delivers precise optical signal control with high accuracy, wide attenuation range, and portable rechargeable design for fiber testing applications.

NK303C Optical Power Meter

The NK303C Insertion & Return Loss Tester combines OPM, LS, VFL, RL, and IL functions, delivering precise fiber loss measurement in a compact portable design.

NK302 Optical Power Meter

Compact and multifunctional, the NK302 Optical Multimeter integrates OPM, LS, and VFL functions for accurate optical testing with portable design and long battery life.

NK300 Optical Power Meter

Compact and multifunctional, the NK300 Optical Power Meter integrates OPM and VFL functions, delivering precise optical measurement with long battery life and portable convenience.