®
FOM, FOS 850, FOS 1300, FOS 850/1300
Fiber Optic Power Meter
Fiber Optic Light Source
Instruction Sheet
Introduction
The Fiber Optic Power Meter (FOM) measures optical power on fiber optic cables. An FOM indicates any power loss on tested cables using any digital multimeter (DMM) or graphical multimeter (GMM) that has a 10 MΩ input impedance, standard diameter banana jacks, and mVdc capability. The Fiber Optic Light Source (FOS) is used as a light source with the FOM or other fiber optic meters.
Safety Information
All FOSs have been tested according to IEC 1010-1 and
IEC 825-1 and meet all requirements for a Class 1 LED Product.
To ensure the FOS is used safely, read the following warnings:
P Warning P
To avoid possible exposure to hazardous invisible LED radiation and to prevent eye damage:
∙Never look directly into the aperture (Figure 2) of the ST connector.
∙Do not open the case; no serviceable parts are inside. Send the source to a authorized service center for calibration or repair.
∙Do not adjust or modify the source; LED sources may exceed Class 1.
∙Do not use magnification at the ST connector output.
∙Caution - Use of controls or adjustments, or performance of procedures other than those specified herein may result in hazardous radiation exposure.
PN 200631 May 1996 Rev. 2, 2/97
©1996, 1997 Fluke Corporation. All rights reserved. Printed in U.S.A.
FOM Features
DMM Plugs
Battery Indicator LED
FOM
FIBER
OPTIC
METER
Function Switch
1550
1300
850 OFF
Input Connector (ST)
aj1f.eps
Figure 1. Fiber Optic Power Meter
FOS Features
FOS 850
FIBER
OPTIC SOURCE
850 OFF
Battery Indicator LED
Function Switch
Output Aperture
Connector (ST)
aj2f.eps
Figure 2. Fiber Optic Light Source (850 Source Shown)
Clean Connectors
Turn the FOS off before cleaning. To ensure proper operation, clean internal portion of connectors with a low-lint optical grade cleaning swab and optical grade alcohol, and a can of filtered compressed air.
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