Skip to content

Cart

Your cart is empty

LOSS TESTERS & FAULT LOCATORS

Loss testing and fault locating are pivotal processes in maintaining optimal performance within fiber optic networks. During loss testing, precise measurements of signal loss are conducted using specialized equipment such as optical loss test sets, power meters, and light sources. These tools collectively assess the efficiency of signal transmission through optical fibers and connectors, ensuring adherence to desired standards. In fault locating, issues such as breaks, bends, or abnormalities in the fiber optic cable are identified using Visual Fault Locators (VFLs) and other dedicated tools. These instruments allow technicians to pinpoint faults with accuracy, facilitating swift and effective troubleshooting. Our inventory includes advanced optical loss test sets, power meters, light sources, and VFLs, equipping technicians with the tools needed for meticulous loss testing and efficient fault location, thereby enhancing the reliability and performance of fiber optic communication systems.
Trust icon

ISO 9001:2015 Certified – Quality managed across sourcing, testing & fulfillment

i
ISO 9001:2015 is an internationally recognized standard for quality management. All our equipment undergoes rigorous processes to ensure accuracy and reliability.

Sort by

36 products

Have equipment to sell?
We buy used, surplus and pre-owned test and laboratory equipment.
Get a Valuation
EXFO FLS-140 Visual Fault Locator full side view showing EXFO branding, laser warning label and blue end capEXFO FLS-140 VFL reverse side showing CFR 1040.10 compliance text, CE marking and pocket clip

In stock: 12

SKU: 5850 6D02

Condition: Used

Price:   Sale price £42.50


View Product

EXFO FLS-600-234BL light source with EXFO carry case, shoulder strap, patch lead and international AC adapter plugsFLS-600 specifications sheet showing 234BL model highlighted — 1310/1550/1625 nm wavelengths and general specs

In stock: 5

SKU: 8339 6D01

Condition: Used

Price:   Sale price £335.75


View Product

Ocean Optics used laboratory light source optical instrument for spectroscopy applicationsOcean Optics light source side view showing housing and build quality

In stock: 1

SKU: 8946 7D02

Condition: Used

Price:   Sale price £1,270.75


View Product

EXFO OX1-PRO-MI Optical Explorer Multimeter Length Loss ORL Power 1310/1550/16500EXFO OX1-PRO-MI Optical Explorer Multimeter Length Loss ORL Power 1310/1550/16501

In stock: 2

SKU: 8881 4D01

Condition: Used

Price:   Sale price £2,035.75


View Product

VIAVI JDSU Optical Test Kit OMK-35P SM 1310/1550 nm OLP-35 and OLS-35 2127/020VIAVI JDSU Optical Test Kit OMK-35P SM 1310/1550 nm OLP-35 and OLS-35 2127/021

In stock: 1

SKU: 8893 7E02

Condition: Used

Price:   Sale price £505.75


View Product

Brand NEW VIAVI Optical Test Kit OMK-36V2 SM MM QUAD 850/1300/1310/1550nm PM LS0Brand NEW VIAVI Optical Test Kit OMK-36V2 SM MM QUAD 850/1300/1310/1550nm PM LS1

In stock: 6

SKU: 8859 2D01

Condition: Used

Price:   Sale price £1,015.75


View Product

Brand NEW VIAVI OLP-35 V2 850/980/1310/1490/1550/ 1557/1625/1650nm -65...+10 dBm0Brand NEW VIAVI OLP-35 V2 850/980/1310/1490/1550/ 1557/1625/1650nm -65...+10 dBm1

In stock: 1

SKU: 8860 6F02

Condition: Used

Price:   Sale price £335.75


View Product

Brand NEW VIAVI Optical Test Kit OMK-35V2 SM 1310/1550 nm Power Meter Light Sour0Brand NEW VIAVI Optical Test Kit OMK-35V2 SM 1310/1550 nm Power Meter Light Sour1

In stock: 1

SKU: 8915 7F02

Condition: New

Price:   Sale price £1,015.75


View Product

Viavi MPO Optical Loss Test Set QUAD SM + MM Tier 1 Cert MPOLP-85P MPOLS-84P 85P0Viavi MPO Optical Loss Test Set QUAD SM + MM Tier 1 Cert MPOLP-85P MPOLS-84P 85P1

In stock: 1

SKU: 8927 4B04

Condition: Used

Price:   Sale price £6,795.75


View Product

THORLABS MX10B-1310 12.5Gb/s Max Digital Reference Transmitter 1310 nm Laser0THORLABS MX10B-1310 12.5Gb/s Max Digital Reference Transmitter 1310 nm Laser1

In stock: 1

SKU: 8920 5C02

Condition: Used

Price:   Sale price £6,795.75


View Product

EXFO MaxTester MAX-945-SM3 OLTS unit with carry case, AC adapter, stylus and LC adapter accessoriesEXFO MAX-945-SM3 front view showing 7-inch touchscreen, MaxTester branding and home/power buttons

In stock: 1

SKU: 8435 6F02

Condition: Used

Price:   Sale price £3,395.75


View Product

EXFO FTB-2 Pro Mainframe0EXFO FTB-2 Pro Mainframe1

In stock: 1

SKU: 8476 5D04

Condition: Used

Price:   Sale price £2,035.75


View Product

EXFO FOT-930 MaxTester II Multifunction Loss Tester SET 1310/1550/1625 SM OLTSEXFO FOT-930 MaxTester II Multifunction Loss Tester SET 1310/1550/1625 SM OLTS

In stock: 1

SKU: 7468 3C02

Condition: Used

Price:   Sale price £2,035.75


View Product

EXFO OLTS 945 SM3 1310/1550/1625nm FTBx-945-SM3 MFD 2022 APC Insertion + OR Loss0EXFO OLTS 945 SM3 1310/1550/1625nm FTBx-945-SM3 MFD 2022 APC Insertion + OR Loss1

In stock: 2

SKU: 0011 CB02

Condition: Used

Price:   Sale price £4,075.75


View Product

EXFO FOT-600 used fibre optic test equipment front viewEXFO FOT-600 fibre optic tester side angle view

In stock: 2

SKU: 8749 5E02

Condition: Used

Price:   Sale price £1,695.75


View Product

EXFO FTB-2 used optical fibre test platform portable OTDR mainframe unitEXFO FTB-2 fibre test mainframe front panel view showing display screen

In stock: 1

SKU: 8706 7C01

Condition: Used

Price:   Sale price £2,035.75


View Product

Megger TDR2000/3 used cable fault locator time domain reflectometer portable TDR testerMegger TDR2000/3 front panel display and control buttons close-up

In stock: 2

SKU: 8579 4F04

Condition: Used

Price:   Sale price £1,695.75


View Product

Fluke Networks used optical fibre testing equipment front viewFluke Networks fibre tester side angle view used condition

In stock: 1

SKU: 8520 7F04

Condition: Used

Price:   Sale price £420.75


View Product

EXFO FLS-600 Light Source FLS-600-234BL 1310/1550/1625 nm APC-SC0EXFO FLS-600 Light Source FLS-600-234BL 1310/1550/1625 nm APC-SC1

In stock: 6

SKU: 8340+8338 5B01+6E02

Condition: Used

Price:   Sale price £335.75


View Product

NOYES AFL used optical power meter handheld fibre optic test equipmentNOYES AFL optical power meter front panel display and controls

In stock: 2

SKU: 8541 6G02

Condition: Used

Price:   Sale price £127.50


View Product

VIAVI FI-60 Live Fibre Identifier & Power Meter front view with LCD display active, alongside black VIAVI zip carry caseVIAVI VP-60 OPM body rear label showing Part No. ZP-FIT-9029-01 and Serial No. I1118S-7450-025, CE marked, Made in China

In stock: 4

SKU: 8279 6G03

Condition: Used

Price:   Sale price £127.50


View Product

VIAVI OLP-87 PON Power Meter 2305/36 complete kit with carry case, power supply, plug adapters, stylus and calibration certificateVIAVI OLP-87 PON Power Meter front view showing 3.5-inch touchscreen, keypad, dual SC/APC ports and green test head cover

In stock: 1

SKU: 8241 4E05

Condition: New other (see details)

Price:   Sale price £335.75


View Product

Viavi mEDFA-C11LB-M100-MFA L-band EDFA amplifier module in open cardboard box with pink anti-static foam packagingViavi mEDFA-C1 L-band amplifier front panel showing IN/OUT FC/APC ports, L Band laser label, APC and SMF/9um indicators, with MAP-200 USB Key

In stock: 1

SKU: 7866 5C02

Condition: Used

Price:   Sale price £1,695.75


View Product

VIAVI MOPM-C1RH1 Single Channel Power Meter + mOPM-C1 Remote Head (MOPM-C1RHPCT)VIAVI MOPM-C1RH1 Single Channel Power Meter + mOPM-C1 Remote Head (MOPM-C1RHPCT)

In stock: 1

SKU: 7859 6G01

Condition: Used

Price:   Sale price £1,270.75


View Product

VIAVI mOPM-C1RHIS remote head in original cardboard box with pink anti-static foam and interconnect cableVIAVI mOPM-C1RHIS remote head with five fibre adapter caps, MPO bracket, and coiled interconnect cable

In stock: 1

SKU: 7871 5C02

Condition: Used

Price:   Sale price £760.75


View Product

JDSU Viavi mOPM-B1RH1 Power Meter cassette, front panel angled view showing multi-pin remote head connector and labelJDSU Viavi mOPM-B1RH1 rear connector end showing dual backplane connectors and ventilation slots

In stock: 1

SKU: 7852 7F01

Condition: Used

Price:   Sale price £675.75


View Product

Viavi mOPM-C1RH2 dual-channel optical power meter module angled front view showing two remote head ports and VIAVI labelViavi mOPM-C1RH2 Power Meter module rear three-quarter view showing silver chassis and Power Meter mOPM-C1 label on faceplate

In stock: 1

SKU: 7851 7F01

Condition: Used

Price:   Sale price £760.75


View Product

VIAVI OLP-87P PON Power Meter 2306/66 with carry bag, mains adapter and stylus on white backgroundVIAVI OLP-87P selective PON power meter specifications comparison chart highlighting 2306/66 variant

In stock: 1

SKU: 7878 7F02

Condition: Used

Price:   Sale price £845.75


View Product

Anritsu MA9714B Optical Power Sensor with interface cable coiled alongside, yellow warning label visibleAnritsu MA9714B rear face showing multi-pin circular connector port and two fixing screws

In stock: 1

SKU: 7849 7F01

Condition: Used

Price:   Sale price £212.50


View Product

JDSU OLT-55 front view with laser cap open, LCD displaying -60.39 dBm at 1625nm in Power Meter modeJDSU OLT-55 specification table showing 2286/01, 2286/02, and 2286/04 source mode variants

In stock: 7

SKU: 7019/4049/4048 6D02

Condition: Used

Price:   Sale price £165.75


View Product

EXFO FOT-930 MaxTester II pair with two carry cases, chargers, talk set headset, RS-232 cable, probe, and user guidesTwo EXFO FOT-930 MaxTester II units front view showing LCD screen, F1 F2 function keys and navigation keypad

In stock: 1

SKU: 7471 3C02

Condition: Used

Price:   Sale price £2,035.75


View Product

Viavi OLTS-85 2325/14 MM matched pair with carry bag, power adapter and plug adapters — full kit viewViavi OLTS-85 Loss Test Set pair front view — blue/grey housing, VIAVI logo, keypad and laser warning labels

In stock: 1

SKU: 7125 4D03

Condition: Used

Price:   Sale price £1,270.75


View Product

Viavi MPOLx MM Tier 1 OLTS complete kit — MPOLP-85P, MPOLS-84P, 2x P5000i scopes, carry bag, accessoriesViavi MPOLP-85P and MPOLS-84P front panel view showing touchscreens, keypads and VIAVI calibration labels

In stock: 1

SKU: 4017 4B03

Condition: Refurbished

Price:   Sale price £4,795.00


View Product

JDSU OLT-55 Optical Loss Test Set front view, LCD showing Laser Source OFF at 1550nm -3.00dBmJDSU OLT-55 top panel close-up showing fibre optical ports and laser warning label, screen marks visible

In stock: 1

SKU: 7024 7D03

Condition: Used

Price:   Sale price £127.50


View Product

EXFO FOT-930 MaxTester II optical loss tester with carry case, user guide, adaptor cap and mains chargerEXFO FOT-930 MaxTester II front view showing LCD display, keypad, FasTesT button and top-mounted ports

In stock: 1

SKU: 4054 3B03

Condition: Refurbished

Price:   Sale price £1,185.75


View Product

Viavi 2330/34 MPO OLTS full kit — MPOLS-84P, MPOLP-85P, 2x P5000i scopes, adapters, bag, cleanersViavi MPOLS-84P and MPOLP-85P front panel view showing 3.5-inch touchscreen and keypad controls

In stock: 1

SKU: 4016 3A02

Condition: Used

Price:   Sale price £3,195.00


View Product

Have one to sell?

We buy used loss testers & fault locators

Turn surplus instruments into cash. Free UK collection, valuation within 48 hours, any condition considered. ISO 9001 certified buyers.

Get a valuation