Fluke FOM - Fiber Optic Meter

Model: FOM

$476.99 USD

was $529.99

Availability: 1 to 2 Weeks


  • The compact FOM plugs into your DMM and makes testing in tight spaces easy
  • A variety of light sources (FOS 850, FOS 1300, and FOS 850/1300) and patch cords (ST to ST, ST to FC, ST to SC, ST to SMA) let you get just what you need for testing different cable types and lengths
  • Highly accurate readings mean less work, less repeated testing
  • Input connector: fixed ST
  • Battery life: 16 hours minimum, 9V alkaline
  • LED low battery indicator
  • Operating temperature: 0°C to +40°C (32°F to +104°F)
  • Storage temperature: -20°C to +70°C (-4°F to +158°F)
Plug the FOM directly into any DMM with a mV dc function and a 10 MW input impedance, such as the Fluke 187 and quickly and accurately verify fiber optic cable system loss. Light sources and patch cords sold separately.
Use the Fluke FOS-850 Fiber Optic Light Source or the Fluke FOS-850/1300 Fiber Optic Light Source as a light source for Fluke FOM - Fiber Optic Meter


Calibrated Wavelengths 850 nm, 1300 nm (used also for 1310 nm), and 1550 nm
Dynamic Range +3 to -50 dBm
Measurement Accuracy ±0.25 dB at -10.0 dBm and 25°C
Display Resolution 0.01 dB (0.001 µW)
Detector Type Germanium
Optical Adapter ST
Operating Temperature 0° C to +40°C
Storage Temperature -20° C to +70°C
Dimensions 4.5 x 2.5 x 1.5 in (11.4 x 6.4 x 3.8 cm)
Weight 5.0 oz (142g)
Battery Type 9V alkaline
Battery Life 90 hours typical


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