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info [at] helptechco [dot] com
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  • 3-in-1 Optical multimeter: power meter + light source + visual fault locator (20mw)
  • FC/SC/ST/LC interfaces interchangeable; (FC connector is included)
  • 6 wavelength:850/1300/1310/1490/1550/ 1625nm (power meter)
  • 2 wavelength:1310 / 1550nm( light source)
  • NF-911

Product features:

Measurement of the power of optical sender (dBm and W).
Insertion loss test of optical devices.
With light source function.
Check fiber breakage, winding, etc.
FC/SC/ST general-purpose interface.
Handheld design is very convenient to use.

Product description:

The 3-in-1 optical multimeter NF-911 is a compact and an easy-to-use testing instrument for optical fiber networks, which can be used for absolute optical power measurements as well as for optical fiber winding or breakage.
It has features of ingenious appearance, wide range of power measurement, high accuracy with high performance-to-price ratio.

Technical indexes
Optical Power Meter Module
Detector Type:IngaAs
Measurement Range(dBm):-50~+26
Calibrated wavelengths(nm):850, 1300, 1310, 1490, 1550, 1625nm
Resolution (dB):0.01dBm
Identification Frequency Range:10Hz~60KHz
Optical Connector:FC(SC,ST,LC connector can be optional)

Optical Light Source Module
Emitter Type:FP-LD
Wavelengths:1310/1550 (other wavelengths can be customized)
Ouput Power(dBm): -7dBm
Output Stability:±0.05dB/15mins; ±0.1dB/ 8hours
Modulation Frequencies:270Hz, 1KHz, 2KHz

General Specifications of Multi Meter
Power Supply:1.5V*3pcs
Auto-off time:15mins
Operating Temperature(°C):-10~+60
Weight (g):400g

Application pictures


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Model NF-911A NF-911C
Power meter Power detecting range(dBm) -70 ~ +10 -50 ~ +26
Wavelenth (nm) 800-1700
Probe InGaAs
Detection limit ∮1.0mm
Standard wavelenth 850, 1300, 1310, 1490, 1550, 1625nm
Light source Modulation frequencies CW/270Hz,1KHz,2KHz
Standard wavelenth 1310, 1550nm
Emitter type FP-LD
VFL Emmiting Energy 5mw/ 10mw/ 20mw/ 30mw selectable
Standard wavelenth 650±10nm
Working temp -20 ~ +70℃
Power supply 1.5V*3pcs
Overall dimension 160x75x32mm
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