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NK501 PON Power Meter

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The NK501 PON Optical Power Meter delivers accurate multi-wavelength PON testing with VFL and RJ45 functions in a compact, intelligent handheld design.

The NK501 PON Optical Power Meter is a multifunction testing device designed for FTTH installation and maintenance. Supporting 1310nm, 1490nm, and 1550nm measurement, it enables precise upstream and downstream power analysis. Integrated with VFL and RJ45 cable sequence, length, and tracker functions, it offers voice, data, and signal display. With TFT color screen and pass/fail threshold settings, it ensures reliable and efficient PON network diagnostics.

Product Features

  • TFT color screen with clear display
  • Chinese / English display optional
  • Synchronous test and display of voice, data, and video signal
  • Burst mode test for 1310nm upstream wave
  • 1310 / 1490 / 1550nm PON wavelength measurement
  • Pass / Fail threshold and calibration wavelength can be set
  • Support VFL / RJ45 sequence, length, and cable tracker
  • Compact portable design with rechargeable battery

Specifications

PON OPM

Wavelength
1310 ±50nm
1490 ±15nm
1550 ±10nm Isolation 1310nm 40dB Isolation 1490nm 40dB Isolation 1550nm 40dB Measuring Range 1310nm: -35 ~ +10dBm
1490nm: -40 ~ +12dBm
1550nm: -40 ~ +25dBm Uncertainty ≤0.5dB Insertion Loss ≤1.5dB Detector Type InGaAs Display Resolution 0.01dB Fiber Type SM 9/125µm Connector FC / UPC (Interchangeable SC, ST)

VFL

Wavelength
650nm ±20nm

Output Power
≥10mW

Mode
CW / 1Hz / 2Hz

Connector
Universal FC / SC / ST

RJ45 Cable Length

Measuring Range
≤300m

RJ45 Cable Sequence

Measuring Range
≤300m

RJ45 Cable Tracker

Measuring Range
≤300m

Others

Display
3.5-inch Color LCD

External Storage
1000 groups

Data Interface
Micro USB

Power Supply
Polymer Lithium Battery: 3.7V
Adapter: 5V DC, 2A Battery Life Standby ≥20h
Measurement time ≥12h Operating Temperature -10°C to +50°C Storage Temperature -40°C to +70°C Relative Humidity 0–95% Non-Condensing Size 173mm × 82mm × 37mm Weight ≤300g

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