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Fluke FOM Service Information

Fluke FOM Service Information

Fiber optic meter / fiber optic source
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®
To avoid injury: do not service the FOM or FOS unless you are qualified to do so. The
service information provided in this document is for the use of qualified personnel
only.
The FOM and FOS contain parts that can be damaged by static discharge. Follow the
standard practices for handling static sensitive devices.
Introduction
This Service Information provides the following
service information for the Fiber Optic Meter
(hereafter referred to as the FOM) and the Fiber
Optic Source (hereafter referred to as the FOS).
Parts and warranty service information
Specifications
Schematic
Cleaning procedures
Required equipment
Performance tests
Procedures for disassembling and reassembling
the FOM and FOS
Calibration adjustments
Parts and accessories lists
For operating instructions, refer to the Fiber Optic
Meter/Fiber Optic Source Instruction Sheet.
Parts and Warranty Service
The FOM and FOS are warranted to be free from
defects in material and workmanship for one year,
while under normal use. Parts and repairs are
warranted for 90 days.
PN 617891
January 1997
©1996 Fluke Corporation. All rights reserved. Printed in U.S.A. Product names are trademarks of their respective companies.
Advanced Test Equipment Rentals
www.atecorp.com 800-404-ATEC (2832)
Warning
Caution
Fiber Optic Meter
Fiber Optic Source
Service Information
Refer to the Instruction Sheet for the complete
warranty statement.
To order parts, receive operating assistance, or get
the location of the nearest Fluke distributor or
Service Center, call:
800-44FLUKE (800-443 5853) in the U.S.A. and
Canada.
(31 40) 267 8200 in Europe
+ 1 206-356-5500 from other countries
Address correspondence to:
Fluke Corporation
P.O. Box 9090
Everett, WA 98206-9090
U.S.A.
Specifications
Accuracy is specified for a period of one year after
calibration, at 18°C to 28°C (64°F to 82°F) with
relative humidity to 75%.
Specifications are shown in Tables 1 and 2.
®
FOM/FOS
Fluke Europe B.V.
P.O. Box 1186
5602 B.D Eindhoven
The Netherlands

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Summary of Contents for Fluke FOM

  • Page 1 Fiber Optic Meter Fiber Optic Source Service Information Warning To avoid injury: do not service the FOM or FOS unless you are qualified to do so. The service information provided in this document is for the use of qualified personnel only. Caution The FOM and FOS contain parts that can be damaged by static discharge.
  • Page 2 IEC 6LR61 Low Battery Detection Battery Type 16 hours minimum, 100 hours typical, 9V alkaline For both the FOM and FOS, a steady, green LED Low Battery Indication Blinking LED indicator indicates a good battery. A blinking LED indicates °...
  • Page 3: Performance Tests

    The following equipment is required for servicing dBm. the FOS: • Calibrated FOM 5. Turn off the DMM, FOM, and the light sources. • Disconnect the FOM from the DMM. Digital multimeter Disconnect the fiber optic patch cables from the •...
  • Page 4 FOM battery strap. Record this reading as P o to use in step 3. 3. Set the FOM switch to the 1300 nm position. 2. Connect the attenuator output to the FOM. Connect the FOM to the DMM. Allow the FOM to warm up for 10 minutes.
  • Page 5: Parts And Accessories

    3. For 850 nm calibration, adjust R21 until the 850 nm Calibration Adjustment output on the DMM reads -20 ± 0.1 mV. For 1. Set the switch on the FOM to the 850 nm 1300 nm calibration, adjust R20 until the output position.
  • Page 6 FOM/FOS Service Information J1 (Red) J2 (Black) U1 Pin 7, (V U1 Pin 5, (Analog GND) FPM1-00-0100 eq1f.eps Figure 1. FOM Calibration Measurement and Adjustment Points...
  • Page 7 Fiber Optic Meter/Source Calibration Measurement and Adjustment Points J1 (Red) J2 (Black) 850 Source Components 1300 Source Components FLS1-01-0100 eq2f.eps Figure 2. FOS Calibration Adjustment Points...
  • Page 8 FOM/FOS Service Information FPM1-00-0300 eq4f.eps Figure 3. Fiber Optic Meter Schematic...
  • Page 9 Fiber Optic Meter/Source Fiber Optic Meter Schematic FLS1-00-0300 eq3f.eps Figure 4. Fiber Optic Source Schematic...
  • Page 10 FOM/FOS Service Information...

This manual is also suitable for:

FosFos-850Fos-1300Fos-850/1300095969046282095969046305