Ermenrich NetGeeks NU30 is an optical multimeter with VFL function which will become a must-have tool for a specialist in designing laying and installation of fiber optic communication lines. With this device you can measure the output power of the fiber optic system source measure the optical power loss in a cable and detect and locate breaks. The device is suitable for home and professional use.

The device supports six wavelengths and FC SC and ST connectors. For more accurate measurement of the attenuation there is an option to set a reference level: It allows you to automatically calculate the difference between the power of the input signal and the output signal. There is a VFL function with pulse and continuous modes of operation. It is used to locate broken cables or find a certain specific cable. When the option is activated the device starts working in transmitter mode at a wavelength of 650nm. If a malfunction is detected it will be indicated by a red indicator.

The device is compact and easy to use. The device is powered by three standard batteries.

Key features:

  • Measuring power: absolute and relative (losses)
  • Selectable units of measurement option to set a reference level
  • Supports six wavelengths three types of connectors – FC SC and ST
  • Visual fault locator (VFL function)
  • Powered by batteries; auto-off function

The kit includes:

  • Transmitter
  • Pouch
  • Cotton swabs
  • User manual and warranty card
Brand Ermenrich
Warranty years 5
EAN 5905555017013
Package size (LxWxH) cm 6x19x15.5
Shipping Weight kg 0.43
Optical power meter wavelength nm 850/1300/1310/1490/1550/1625
Fiber connector type FC SC ST
Maintained cable type single-mode (SM) multimode (MM)
Units of measurement dB dBm W
Power detection range dBm -50 — 26
Option to set the reference level yes
Visual fault locator (VFL) yes
Visual fault locator (VFL) wavelength nm 650
Display FSTN LCD
Display backlight yes
Power supply 3 AAA batteries (not included)
Low battery status indicator yes
Auto power off yes
Operating temperature range °C -10 — 60
Operating humidity range % 20 — 70
Type optical multimeter

Returns Policy

We have a 14-day return policy. If you are not satisfied with your purchase, please return it in its original packaging and be sure to put the original product packaging inside the shipping box to avoid any damage..

All items must be in their original condition and unused. The value of your purchase will be refunded. .

Shipping charges will not be refunded.

If the return is due to a defective product, you may be compensated for the return shipping.

Please contact us for more details if you need to make a return..


- From 0 to 2 kg - shipping cost: 12,50 euros.

- From 2.001 kg to 30 kg - shipping cost: 17,00 euros.

- From 30,001 kg - shipping cost: 30,00 euros.

In case of collection at our warehouse or resale points - the shipping is free.

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