ERMENRICH NetGeeks NU40 Optical Multimeter User Manual

: June 2, 2024
: ERMENRICH

Table of Contents

ERMENRICH NetGeeks NU40 Optical Multimeter
DESCRIPTION
Getting started
Optical power meter
Specifications
Care and maintenance
Battery safety instructions
Levenhuk International Warranty
FAQ
CONTACT
References
Read User Manual Online (PDF format)
Download This Manual (PDF format)

ERMENRICH NetGeeks NU40 Optical Multimeter

ERMENRICH-NetGeeks-NU40-Optical-Multimeter-PRODCUCT

Specifications

Optical Multimeter
Power detection range: 3
Fiber connector type: dBm/W button
Maintained cable type : Light button
Units of measurement: REF button
Optical power meter wavelength: OP/RL button
Visual fault locator (VFL) wavelength: /Frequency button
Auto-off: LCD screen
Operating temperature range: Dust cap
Power supply: Power input

DESCRIPTION

ERMENRICH-NetGeeks-NU40-Optical-Multimeter-FIG-1

Fiber optic connectors
Power input
dBm/W button
Power button
Light button
REF button
OP/RL button
N/Frequency button
LCD screen
Dust cap

Ermenrich NetGeeks NU30 Optical Multimeter
Please carefully read the safety instructions and the user manual before using this product. Keep away from children. Use the device only as specified in the user manual.

The kit includes an optical multimeter, cotton swabs, a bag, a user manual, and a warranty.

Install batteries
Open the battery compartment cover and insert 3 batteries according to the correct polarity. Close the cover.

Getting started

Press the power button (4) and hold it for 3 seconds to turn the device on/off.
Press the power button (4) to enable/disable the auto-off option, and then observe the corresponding icon on the screen. When the auto-off option is enabled, the device will automatically turn off in 60 minutes.
Press the Light button (5) to turn the backlight on or off, or it will automatically turn off in 60 minutes.
Press the OP/RL button (7) to switch between the optical power meter function and the visual fault locator function. The optical power meter function is set by default.

Optical power meter

This function is intended to test optical power.

Connect one end of the fiber cable to the optic connector (1); plug the other cable end into the corresponding connector of an optical light source (external device)
Turn on the external optical light source (external device).
Press the ʎ/Frequency button (8) to select a wavelength value (850nm, 1300nm, 1310nm, 1490nm, 1550nm, or 1625nm).
The wavelength value of the optical multimeter and the wavelength value of the light source must be the same.
Press the dBm/W button (3) to select the units of measurement to measure the absolute optical power or relative optical power.
Press the REF button (6) to display the last saved reference value (the default value is 0dB).
Press the REF button (6) to measure the optical power. The result will be displayed on the screen.
Press and hold the REF button (6) to save the value as a reference value.

Visual fault locator (VFL)
The visual fault locator function is used to test fiber cables.

Plug one end of a fiber cable into the fiber optic connector (1) for VFL and leave the other end of the cable disconnected.
Press and hold the OP/RL button (7) to enable the visual fault locator function.
Press the ʎ/Frequency button (8) to select the light emitting mode: continuous light or pulse light.
In case of no breakage in the cable, the red LED on the end of the cable will light on. If the fiber cable is damaged, the damaged part of the cable will glow red.

Specifications

Optical power meter wavelength 850/1300/1310/1490/1550/1625nm
Power detection range –50… +26dBm
Fiber connector type FC/ST/SC
M aintained cable type single-mode (SM), multimode (MM)
Units of measurement dB/dBm/W
Optical power meter +
Visual fault locator (VFL) +
Visual fault locator wavelength 650nm
Auto-off 60min
Operating temperature range –10… +60°C / +14… +140°F
Power supply 3pcs alkaline AAA batteries

The manufacturer reserves the right to make changes to the product range and specifications without prior notice.

Care and maintenance

This is a class II laser product. Please DO NOT look directly into the beam with unprotected eyes or through an optical device at any time and never direct it toward other people. Do not use the device if it is not working properly. Protect the device from sudden impact and excessive mechanical force. Store the device in a dry cool place. Please note that the parameters of the power supply must comply with the technical characteristics of the device. Do not try to disassemble the device on your own for any reason. For repairs and cleaning of any kind, please contact your local specialized service center. Only use accessories and spare parts for this device that comply with the technical specifications. Never attempt to operate a damaged device or a device with damaged electrical parts! If a part of the device or battery is swallowed, seek medical attention immediately.

Battery safety instructions

Always purchase the correct size and grade of battery most suitable for the intended use. Always replace the whole set of batteries at one time; taking care not to mix old and new ones or batteries of different types. Clean the battery contacts and also those of the device before battery installation. Make sure the batteries are installed correctly about polarity (+ and –). Remove batteries from equipment that is not to be used for an extended period. Remove used batteries promptly. Never short-circuit batteries as this may lead to high temperatures, leakage, or explosion. Never heat batteries to revive them. Do not disassemble batteries. Remember to switch off devices after use. Keep batteries out of the reach of children, to avoid the risk of ingestion, suffocation, or poisoning. Utilize used batteries as prescribed by your country’s laws.

Levenhuk International Warranty

Levenhuk products, except for their accessories, carry a 5-year warranty against defects in materials and workmanship. All Levenhuk accessories are warranted to be free of defects in materials and workmanship for six months from the purchase date. The warranty entitles you to the free repair or replacement of the Levenhuk product in any country where a Levenhuk office is located if all the warranty conditions are met.

For further details, please visit: levenhuk.com/warranty
If warranty problems arise, or if you need assistance in using your product, contact the local Levenhuk branch.

FAQ

Frequently Asked Questions

Q: What is included in the kit?
- A: The kit includes an optical multimeter, cotton swabs, a bag, a user manual, and a warranty.
Q: How do I enable the auto-off feature?
- A: Press the power button (4) to enable/disable the auto-off option. When enabled, the device will automatically turn off in 60 minutes.