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Browse a comprehensive range of professional test and measurement equipment at TT Instruments, your trusted source for high-quality fibre optic, telecommunications, RF, and electronic testing solutions. Our full collection includes everything from OTDRs, optical spectrum analysers, and fusion splicers to power meters, inspection scopes, and optical loss test sets, all sourced from leading manufacturers such as Viavi Solutions, EXFO, Fluke Networks, Fujikura, and Keysight Technologies. At TT Instruments, we specialise in supplying professionally tested, cost-effective used equipment that supports installation, maintenance, and troubleshooting across fibre optic and electronic networks, helping engineers and businesses achieve accurate, reliable results with equipment they can trust.

Two Viavi JDSU MTS 6000A V2 OTDR units side by side, both powered on showing Home screen — T-BERD 6000A left, MTS 6000A right

Viavi JDSU MTS 6000A V2 OTDR front view showing VIAVI boot splash screen, with carry bag, AC adapter and stylus

2x Viavi JDSU MTS 6000A V2 + 8126B SM OTDR 1310/1550nm 40 dB FCOMP IL ORL Bi-Dir

Model: MTS 6000A

Manufacturer: Viavi JDSU

In stock: 1

SKU: 3389+3376 7G04

Condition: Used

Price: Sale price £2,035.75

Viavi JDSU OSA-110M optical spectrum analyser module side view showing label, BN 2304/91.02, Rev.010, V-0141

Viavi OSA-110M front panel view showing PC-FC optical port connector, caution label, and max power +23 dBm marking

Viavi JDSU OSA-110M 1250-1650nm OSA Optical Spectrum Analyzer 2304/91.02 PC-FC

Model: OSA-110M

Manufacturer: Viavi JDSU

In stock: 1

SKU: 7746 CB02

Condition: Used

Price: Sale price £675.75

VIAVI ONX-630 DSAM meter in open soft carry case with power adapter beside it, front view

VIAVI ONX-630 OneExpert CATV DSAM meter front panel showing LCD screen, keypad, and dual BNC ports

Viavi ONX-630 DSAM Meter DOCSIS 3.1 IPX Package 65/200 MHz 1.2/1.2 GHz

Model: ONX-630

Manufacturer: Viavi JDSU

In stock: 3

SKU: 8321 6G01

Condition: Used

Price: Sale price £1,270.75

VIAVI OneExpert ONX-630 DSAM meter front view showing LCD screen, keypad, and two BNC ports

Viavi ONX-630 DSAM Meter DOCSIS 3.1 IPX NTX TSX Package 65/200 MHz 1.2/1.2 GHz

Model: ONX-630

Manufacturer: Viavi JDSU

In stock: 3

SKU: 8320 6E04

Condition: Used

Price: Sale price £1,695.75

Jenway 6850 Double Beam UV/Visible Spectrophotometer — right-side three-quarter view showing front panel, keypad, colour display, and sample compartment lid

Jenway 6850 spectrophotometer colour LCD display showing spectrum scan mode — wavelength 190–1100 nm, %T axis, D2 and W lamp indicators

Jenway 6850 Double Beam UV/Visible Spectrophotometer | 190–1100nm Fully Tested

Model: 6850

Manufacturer: Jenway

In stock: 1

SKU: 8414 1C03

Condition: Used

Price: Sale price £5,095.75

Viavi JDSU WFED-300AC WiFi Advisor kit: unit, JDSU carry case, AC adapter, USB cable, shoulder strap, calibration document

Viavi JDSU WiFi Advisor WFED-300AC rear panel showing serial number label RAFB0001466454, CLEI code, FCC ID, and battery compartment

Viavi JDSU WiFi Advisor WFED-300AC LAN Analyzer

Model: WiFi Advisor

Manufacturer: Viavi JDSU

In stock: 2

SKU: 8413 7D01

Condition: New Other

Price: Sale price £80.75

Viavi FBPT-U25M 2.5mm patchcord PC probe tip, stainless steel body with FBPT-U25M engraving, threaded base

Viavi JDSU FBPT-U25M Tip (2.5 mm ferrules) Patchcord PC For P5000i FiberChek etc

Model: FBPT-U2M

Manufacturer: Viavi JDSU

In stock: 3

SKU: 8392 6C02

Condition: Used

Price: Sale price £25.50

EXFO FSB FC SC Bulkhead Fiber Scope Adapter — front view showing stainless steel body and threaded base

EXFO Fiber Scope Adapter FSB FC and SC Bulkhead

Model: FSB FC

Manufacturer: EXFO

In stock: 7

SKU: 8394/8475 6C02

Condition: Used

Price: Sale price £42.50

EXFO U25MA-C 2.5mm APC patchcord fiber scope adapter tip, stainless steel, showing threaded base and ferrule

EXFO Fiber Scope Adapter U25MA-C for 2.5mm Ferrules APC Patchcord

Model: U25MA-C

Manufacturer: EXFO

In stock: 1

SKU: 8391 6C02

Condition: Used

Price: Sale price £51.00

EXFO U25M-C 2.5mm UPC patchcord tip adapter for FIP-400 series, stainless steel, front angle view

EXFO Fiber Scope Adapter U25M-C for 2.5mm Ferrules PC UPC Patchcord

Model: U25M-C

Manufacturer: EXFO

In stock: 2

SKU: 8390 6C02

Condition: Used

Price: Sale price £51.00

Lumenis Sharplan 15100 Handpiece Set for Silk Laser in open black carry case with blue foam, top-down view

Sharplan 15100 Silk Laser handpiece set contents: F-260 handpiece, blue adapters, cleaning brush, clips and accessories

Lumenis Sharplan 15100 Handpiece Set for Silk Laser -Incomplete-

Model: 15100

Manufacturer: Lumenis Sharplan

In stock: 1

SKU: 8401 7G01

Condition: Used

Price: Sale price £212.50

Lumenis Sharplan 15201 Defocusing Handpiece Set in open wooden carry case with blue foam insert

Sharplan 15201 handpiece set close-up showing F-230 barrel, white tip tubes, mirror tip and ADAPT adapter

Lumenis Sharplan 15201 Defocusing Handpiece Set

Model: 15201

Manufacturer: Lumenis Sharplan

In stock: 1

SKU: 8400 7G04

Condition: Used

Price: Sale price £293.25

JDSU Viavi HP3-60-P4 fibre inspection kit laid out with FBP probe, tips case, VFL, manuals, power adapter and carry case

JDSU HP3-60-P4 handheld fibre inspection display front view showing 1.8-inch TFT LCD, power meter controls and JDSU label

Viavi HP3-60-P4 Fiber Scope with 4x Tips and Power Meter + VFL

Model: HP3-60

Manufacturer: Viavi JDSU

In stock: 1

SKU: 8409 7D01

Condition: Used

Price: Sale price £293.25

AFL FlexScan FS300-325 Quad OTDR complete kit laid out with blue carry bag, USB cable, port adapters and quick reference guide

AFL FlexScan FS300-325 Quad OTDR specification sheet showing FS300-325 Quad MM and SM OTDR technical specifications table

AFL FlexScan FS300-325 QUAD SM MM OTDR with OPM & VFL 850/1300 1310/1550 nm

Model: S300-325

Manufacturer: AFL

In stock: 1

SKU: 8381 3C01

Condition: Used

Price: Sale price £3,055.75

EXFO MAX-720C-Q1 Quad OTDR MaxTester with carry bag, power adapter and stylus — full kit view

EXFO MAX-720C-Q1 MaxTester OTDR front view showing 7-inch touchscreen, EXFO branding and control buttons

EXFO MAX-720C-Q1 QUAD SM MM OTDR iOLM MaxTester 1310/1550 & 850/1300 nm with PM.

Model: MAX-720C-Q1

Manufacturer: EXFO

In stock: 2

SKU: 8345/6/7 3C02/6E04/3B04

Condition: Used

Price: Sale price £3,395.75

EXFO FTB-5240S OSA module front panel view showing FC connector port and TT Instruments product ID label

EXFO FTB-5240S OSA right-side angled view showing stainless steel enclosure, caution label and EXFO branding

EXFO FTB-5240S OSA Optical Spectrum Analyzer 1250-1650 nm.

Model: FTB-5240S

Manufacturer: EXFO

In stock: 1

SKU: 2906* CB02

Condition: Used

Price: Sale price £637.50

VIAVI E980TUXOSX OSX8000 to OTU-8000 long interconnect cable coiled, showing both end connectors

VIAVI E980TUXOSX close-up of 8-pin mini-DIN male connector end with black overmould

VIAVI E980TUXOSX KIT TO CONNECT OSX8000 TO OTU8000 LONG

Model: E980TUXOSX

Manufacturer: Viavi JDSU

In stock: 1

SKU: 7991 6F05

Condition: Used

Price: Sale price £212.50

Fujikura 41S fusion splicer kit laid out beside open yellow transit case with CT50 cleaver, battery pack and fibre holders

Fujikura 41S fusion splicer front-left angle view showing 5-inch touchscreen, HEAT RESET SET buttons and wind protector lid

Serviced Fujikura 41S Active Cladding Fusion Splicer ARC 1534 + CT50 Cleaver

Model: 41S

Manufacturer: Fujikura

In stock: 1

SKU: 8332 5B02

Condition: Refurbished

Price: Sale price £1,185.75

Fujikura 41S fusion splicer kit laid out with CT50 cleaver, battery, AC adapter, USB cable, clamps and yellow carry case

Fujikura 41S fusion splicer front-angle view showing 5-inch touchscreen, lid open, and HEAT RESET SET control buttons

Serviced Fujikura 41S Active Cladding Fusion Splicer ARC 1614 + CT50 Cleaver

Model: 41S

Manufacturer: Fujikura

In stock: 1

SKU: 8326 5A02

Condition: Refurbished

Price: Sale price £1,100.75

INNO View 5 fusion splicer kit with V7 cleaver and AC adapter laid out in front of open green hard-shell carrying case

INNO View 5 arc fusion splicer front-right angle view showing 5-inch colour touchscreen tilted open and View5 branding

INNO View 5 SM MM Core Alignment Fusion Splicer ARC 7629 + V7 Cleaver

Model: View 5

Manufacturer: INNO

In stock: 1

SKU: 8317 6F01

Condition: Used

Price: Sale price £760.75

INNO View 5 fusion splicer full kit laid out in front of open green hard carry case with V7 cleaver and accessories

INNO View 5 arc fusion splicer front-angle view showing 5-inch touchscreen display open and keypad controls

INNO View 5 SM MM Core Alignment Fusion Splicer ARC 8912 + V7 Cleaver

Model: View 5

Manufacturer: INNO

In stock: 1

SKU: 8315 6F01

Condition: Used

Price: Sale price £675.75

JDSU MTS T-BERD 4000 fibre optic test mainframe front view powered on showing JDSU boot screen with stylus and UK power adapter

JDSU MTS T-BERD 4000 fibre optic test mainframe front panel view showing touchscreen display, keypad, and navigation buttons

Viavi JDSU MTS T-BERD 4000 Fiber Optic Test Mainframe Platform

Model: MTS 4000

Manufacturer: Viavi JDSU

In stock: 2

SKU: 8292 3B03

Condition: Used

Price: Sale price £335.75

VIAVI JDSU MTS 4000 SM OTDR shown with black soft carry case, AC power adapter, front view

VIAVI JDSU MTS 4000 SM OTDR front panel showing keypad, navigation buttons and scratched display

Viavi MTS 4000 Mainframe with 4126 MA SM OTDR 1310/1550nm

Model: MTS 4000 & 4126 MA

Manufacturer: Viavi JDSU

In stock: 1

SKU: 8288 3B02

Condition: Used

Price: Sale price £420.75

Viavi JDSU FIT-S205-PRO kit overview — HP2-60-P4 power meter in pouch, FBP-P5 probe, VFL, tip case and carry bag

JDSU HP2-60 Optical Power Meter in black field carry pouch with JDSU branding label, front angled view

Viavi FIT-S205-PRO HP2-60-P4 Fiber Scope with 5x Tips and Power Meter + VFL

Model: FIT-S205-PRO

Manufacturer: Viavi JDSU

In stock: 1

SKU: 8295 7G04

Condition: Used

Price: Sale price £293.25

Viavi JDSU P5000i fibre inspection scope with 7 FBPT tips in hard case, soft carry pouch, and USB coiled cable

Viavi JDSU P5000i fibre inspection probe close-up showing USB connector, VIAVI label, serial number barcode sticker

Viavi JDSU P5000i Fiber Inspection Scope + 7x Tips 1.25 & 2.5mm PC & APC + Other

Model: P5000i

Manufacturer: Viavi JDSU

In stock: 4

SKU: 8336 6D02

Condition: Used

Price: Sale price £505.75

Viavi FBPT-LC-APC V2 longreach LC/APC bulkhead probe tip, front view showing model label and knurled base

Viavi FBPT-LC-APC V2 probe tip rear view showing V2 version marking and stainless steel body with O-ring

Viavi JDSU FBPT-LC-APC V2 Longreach Bulkhead LC Adapter APC for P5000i FiberChek

Model: FBPT-LC-APC V2

Manufacturer: Viavi JDSU

In stock: 7

SKU: 8337 6C02

Condition: Used

Price: Sale price £293.25

JDSU CCFP2-112G-3-4 CFP2 100G LR4 OTU4 transceiver top view showing labels, SN AB-0042, CE marking

JDSU CCFP2-112G-3-4 CFP2 100G LR4 transceiver optical port end showing duplex LC Tx and Rx connectors

JDSU CFP2 100G Base Transceiver LR4 OTU4 1296-1310 nm CCFP2-112G-3-4 Viavi

Model: CCFP2-112G-3-4

Manufacturer: Viavi JDSU

In stock: 8

SKU: 7940 4D03

Condition: Used

Price: Sale price £165.75

Corning OptiSplice One Fusion Splicer + FBC-006 Cleaver ARC 5040

Corning OptiSplice One Fusion Splicer + FBC-006 Cleaver ARC 5041

Corning OptiSplice One Fusion Splicer + FBC-006 Cleaver ARC 504

Model: OptiSplice one

Manufacturer: Corning

In stock: 1

SKU: 8233 5D02

Condition: Used

Price: Sale price £590.75

Spectrum Labs KrosFlo KR2i TFF System front view with stand, clamp holder, power lead and interface cable

KrosFlo KR2i TFF System left-side angle view showing orange base, module stand rods and clamp assembly

Spectrum Labs KrosFlo 708-12295-000 KR2i TFF System Peristaltic Pump

Model: 708-12295-000

Manufacturer: Spectrum labs

In stock: 1

SKU: 8276 4C04

Condition: Used

Price: Sale price £845.75

Spectrum Labs KrosFlo KRJr Peristaltic Pump front view with pump head, DB25 KF COMM cable and power supply

KrosFlo KRJr Peristaltic Pump right-side angle view showing pump head rotor and LCD control panel

Spectrum Labs KrosFlo 708-13683-0000 KRJr Peristaltic Pump 0.1-300 RPM

Model: 708-13683-0000

Manufacturer: Spectrum Labs

In stock: 1

SKU: 8275 6G03

Condition: Used

Price: Sale price £212.50

Spectrum Labs 900-1613 KrosFlo KR2i Easy-Load Pump Head — angled front-right view showing orange body, occlusion knob, and tubing size label

Spectrum Labs 900-1613 KrosFlo KR2i Pump Head — rear view showing serial number D15001649, bayonet drive coupling, and safety label

Spectrum Labs 900-1613 KrosFlo KR2i Pump Head

Model: 900-1613

Manufacturer: Spectrum Labs

In stock: 1

SKU: 8274 6G03

Condition: Used

Price: Sale price £212.50

VIAVI FVAi-2400 bench-top fibre inspection microscope front 3/4 view with LWD lens port and UK power supply

VIAVI FVAi-2400 bench-top microscope right side view showing open LCD display and knurled focus adjustment

VIAVI Bench Top Scope FVAi-2400 Autofocus 400x LWD

Model: FVAi-2400

Manufacturer: Viavi JDSU

In stock: 1

SKU: 8290 3B03

Condition: Used

Price: Sale price £335.75

VIAVI FVAi-2400-L Bench-Top Autofocus 400x LWD Microscope front 3/4 view with UK power supply adapter

VIAVI Bench Top Scope FVAi-2400-L Autofocus 400x LWD

Model: FVAi-2400-L

Manufacturer: Viavi JDSU

In stock: 1

SKU: 8322 6G01

Condition: Used

Price: Sale price £335.75

EXFO FIP-435B wireless fibre inspection probe with 3 APC tips, EU charger, USB cable and carry bag

EXFO FIP-400B series model comparison chart showing FIP-435B as fully automated wireless variant

EXFO FIP-435B Wireless Fiber Inspection Scope with 3 APC Tips MFD 2021

Model: FIP-435B

Manufacturer: EXFO

In stock: 1

SKU: 8335 6E02

Condition: Used

Price: Sale price £760.75

EXFO FIP-435B wireless fibre inspection probe with 3 APC tips, carry bag, USB cable and UK power adapter

EXFO FIP-400B series model comparison chart showing FIP-435B as fully automated wireless fibre inspection probe

EXFO FIP-435B Wireless Fiber Inspection Scope with 3 APC Tips MFD 2022

Model: FIP-435B

Manufacturer: EXFO

In stock: 1

SKU: 8334 6E02

Condition: Refurbished

Price: Sale price £845.75

VIAVI FI-60 Live Fibre Identifier & Power Meter front view with LCD display active, alongside black VIAVI zip carry case

VIAVI VP-60 OPM body rear label showing Part No. ZP-FIT-9029-01 and Serial No. I1118S-7450-025, CE marked, Made in China

VIAVI FI-60 Live Fiber Identifier & Power Meter

Model: FI-60

Manufacturer: Viavi JDSU

In stock: 4

SKU: 8279 6G03

Condition: Used

Price: Sale price £148.75

VIAVI OLA-55M optical level attenuator with carry case, two FC/APC adapter inserts, manual and original box

VIAVI OLA-55M front panel showing LCD display reading 10.00 dB, keypad controls and dual SC/APC ports

Viavi JDSU OLA-55M Fiber Optical Level Attenuator 1260-1650 nm SM 2280/22 SC/APC

Model: OLA-55M

Manufacturer: Viavi JDSU

In stock: 1

SKU: 8253 7E02

Condition: Used

Price: Sale price £505.75

VIAVI OLP-87 PON Power Meter 2305/36 complete kit with carry case, power supply, plug adapters, stylus and calibration certificate

VIAVI OLP-87 PON Power Meter front view showing 3.5-inch touchscreen, keypad, dual SC/APC ports and green test head cover

VIAVI OLP-87 PON Power Meter 2305/36 SC/APC 1310/1490/1550 - New BB-OPM

Model: OLP-87

Manufacturer: Viavi JDSU

In stock: 2

SKU: 8241 4E05

Condition: New other (see details)

Price: Sale price £420.75

ZEISS LD A-Plan 40x/0.55 Ph1 microscope objective 421261-9916 front view showing blue band and infinity/PS markings

ZEISS LD A-Plan 40x/0.55 Ph1 objective 421261-9916 rear view showing catalogue number label on barrel

ZEISS 421261-9916 LD A-Plan 40x/0.55 Ph1 Microscope Objective

Model: 421231-9910

Manufacturer: Carl Zeiss

In stock: 1

SKU: 8268 CB02

Condition: Used

Price: Sale price £250.75

ZEISS 421231-9910 LD A-Plan 5x/0.15 Ph1 microscope objective front view showing green ZEISS branding and red band

ZEISS LD A-Plan 5x/0.15 Ph1 objective rear label side showing part number 421231-9910 and red identification band

ZEISS 421231-9910 LD A-Plan 5x/0.15 Ph1 Microscope Objective

Model: 421231-9910

Manufacturer: Carl Zeiss

In stock: 1

SKU: 8267 CB02

Condition: Used

Price: Sale price £250.75

Viavi Certifier 40G NGC-4500 Cable Certifier Set with SM MM and CAT 6A Adapters0

Viavi Certifier 40G NGC-4500 Cable Certifier Set with SM MM and CAT 6A Adapters1

Viavi Certifier 40G NGC-4500 Cable Certifier Set with SM MM and CAT 6A Adapters

Model: NGC-4500

Manufacturer: Viavi JDSU

In stock: 1

SKU: 8280 5C03

Condition: Seller Refurbished

Price: Sale price £5,945.75

ZEISS LD A-Plan 10x/0.25 Ph1 421241-9910 microscope objective front view showing yellow band and engraved markings

ZEISS LD A-Plan 421241-9910 objective rear view showing LD A-Plan name, part number, and yellow colour-code band

ZEISS 421241-9910 LD A-Plan 10x/0.20 Ph1 Microscope Objective

Model: 421241-9910

Manufacturer: Carl Zeiss

In stock: 1

SKU: 8266 CB02

Condition: Used

Price: Sale price £250.75

Leica HistoCore Arcadia C Cold Plate angled right-side view showing full unit with cooling surface and housing

Leica HistoCore Arcadia C Cold Plate 14039353599 MFG 2016 Tested Working

Model: 14039353599

Manufacturer: Leica

In stock: 1

SKU: 8265 4B03

Condition: Used

Price: Sale price £2,035.75

VIAVI MTS 4000 V2 OTDR full kit laid out with P5000i microscope, FI-60 fibre identifier, cleaning tools and carry case

VIAVI MTS 4000 V2 front view showing 9-inch touchscreen, power button, On and Charge indicators with hand strap

Viavi JDSU MTS 4000 V2 with 4138 FB65 1310/1550/1650 Live PM-S OTDR P5000i FI-60

Model: MTS 4000 V2 & 4138 FB65

Manufacturer: Viavi JDSU

In stock: 1

SKU: 8257 5A03

Condition: Used

Price: Sale price £3,395.75

Rohde & Schwarz ZVH4 Cable Antenna Analyzer with Targus backpack, RF test cable, and power supply

Rohde & Schwarz ZVH4 Cable Antenna Analyzer 100 kHz–3.6 GHz front panel view, keypad and display

Rohde & Schwarz ZVH4 Cable and Antenna Analyzer 100 kHz - 3.6 GHz Options K40 K1

Model: ZVH4

Manufacturer: Rohde & Schwarz

In stock: 1

SKU: 8200 5A04

Condition: Used

Price: Sale price £1,695.75

Viavi MTS 4000 V2 OTDR full kit overview with carry case, AC adapter, stylus and battery pack

Viavi MTS 4000 V2 front face showing 9-inch touchscreen, VIAVI branding, On and Charge LEDs

Viavi JDSU MTS 4000 V2 Platform + 4126 MA2 SM 1310/1550 nm OTDR MFD 2019

Model: MTS 4000 V2 w/ 4126

Manufacturer: Viavi JDSU

In stock: 1

SKU: 8218 XXXX

Condition: Used

Price: Sale price £1,185.75

Viavi JDSU MTS 4000 V2 Platform + 4146 SM 1310/1550 nm MM 850/1300 OTDR MFD 20190

Viavi JDSU MTS 4000 V2 Platform + 4146 SM 1310/1550 nm MM 850/1300 OTDR MFD 20191

Viavi JDSU MTS 4000 V2 Platform + 4146 SM 1310/1550 nm MM 850/1300 OTDR MFD 2019

Model: MTS 4000 V2 w/ 4146

Manufacturer: Viavi JDSU

In stock: 1

SKU: 8219 7D02

Condition: Used

Price: Sale price £2,545.75

Carestream DRX-Revolution DRXR-1 mobile X-ray system side view showing collapsed column, tube head, and orange-wheeled base

Carestream DRX-Revolution DRXR-1 front view showing touchscreen display with chicken X-ray image and detector tray

Carestream DRX Revolution Mobile X-Ray System with DRX PLUS 3543C Detector 2016

Model: DRXR-1, 3543C

Manufacturer: Carestream

In stock: 1

SKU: 8254 FL01

Condition: Used

Price: Sale price £12,745.75

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