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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.

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We buy used, surplus and pre-owned test and laboratory equipment.

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Agilent BioTek MultiFlo FX MFXP2 Multimode Dispenser Microplate Washer MFD 20220

Agilent BioTek MultiFlo FX MFXP2 Multimode Dispenser Microplate Washer MFD 20221

Agilent BioTek MultiFlo FX MFXP2 Multimode Dispenser Microplate Washer MFD 2022

Model: MultiFlo

Manufacturer: Agilent

In stock: 1

SKU: 8479 3B03

Condition: Used

Price: Sale price £3,395.75

Anritsu J1551A used RF cable test lead connector accessory for RF measurement

Anritsu J1551A RF cable side view showing connector termination detail

Anritsu J1551A Coaxial Skew Match Cable Set 0.8m K Connector J12J101670-00 Junf

Model: J1551A

Manufacturer: Anritsu

In stock: 1

SKU: 7937 6C03

Condition: Used

Price: Sale price £420.75

Save £3,899.25

Viavi JDSU ONT-603 H/D 400G CFP8 Ethernet Tester ONT-600 3076/01 ONT-603D0

Viavi JDSU ONT-603 H/D 400G CFP8 Ethernet Tester ONT-600 3076/01 ONT-603D1

Viavi JDSU ONT-603 H/D 400G CFP8 Ethernet Tester ONT-600 3076/01 ONT-603D

Model: ONT-603

Manufacturer: Viavi JDSU

In stock: 1

SKU: 7831 3B04

Condition: Used

Price: Sale price £22,095.75 Regular price £25,995.00

Spectrum Instruments TM4-M Intelligent Reference System 20350-0040

Spectrum Instruments TM4-M Intelligent Reference System 20350-0041

Spectrum Instruments TM4-M Intelligent Reference System 20350-004

Model: TM4-M

Manufacturer: Spectrum Instruments

In stock: 1

SKU: 8443 3C03

Condition: Used

Price: Sale price £420.75

INNO View 8 Pro SM MM Core Alignment Splicer ARC 3255 + V10 Cleaver REVIEW IMAGE0

INNO View 8 Pro SM MM Core Alignment Splicer ARC 3255 + V10 Cleaver REVIEW IMAGE1

INNO View 8 Pro SM MM Core Alignment Splicer ARC 3255 + V10 Cleaver REVIEW IMAGE

Model: View 8 Pro

Manufacturer: INNO

In stock: 1

SKU: 8420 2B03

Condition: Used

Price: Sale price £1,270.75

11 sealed Sandvik Coromant CoroCut MB MB-07G120-00-10L 1025 grooving insert packs overhead view

Sandvik Coromant MB-07G120-00-10L 1025 CoroCut MB pack front showing 4 gold PVD-coated inserts

11x Sandvik Coromant MB-07G120-00-10L 1025 CoroCut MB Inserts

Model: MB-07G120-00-10L

Manufacturer: Sandvik

In stock: 1

SKU: 7077 6F03

Condition: New

Price: Sale price £127.50

9x Sandvik Coromant R217.33C048280AC13N 1630 thread-milling end mills in yellow protective tubes, top view

Sandvik Coromant R217.33C048280AC13N 1630 solid carbide thread mill removed from tube, showing cutting flutes

9x Sandvik Coromant R217.33C048280AC13N 1630 Solid Carbide End Mill Thread

Model: Coromant

Manufacturer: Sandvik

In stock: 1

SKU: 7068 6F02

Condition: New

Price: Sale price £127.50

Sold out

31x Iscar PICCO R007.0815-15 IC228 internal threading bars in original factory packaging laid out

Iscar PICCO R007.0815-15 IC228 threading bar close-up showing product label, order KA175875/3

31x Iscar PICCO R007.0815-15 IC228 Internal Threading Bar

Model: PICCO

Manufacturer: Iscar

In stock: 0

SKU: 7065 6G03

Condition: New

Price: Sale price £127.50

Narda 3501/03 isotropic E-field antenna with yellow ball sensor head and SRM RF cable set laid out on white background

Narda 3501/03 E-field probe full side view showing yellow spherical sensor head, black handle, and Lemo connector

Narda E-Field Isotropic Antenna Three-Axis 27 MHz - 3 GHz Probe with Cable

Model: E-Field

Manufacturer: Narda

In stock: 1

SKU: 8446 7F01

Condition: Used

Price: Sale price £637.50

Viavi P5000i fibre inspection scope with coiled USB cable, FBPT-U25M tip, and soft zip carry case

Viavi P5000i fibre inspection probe right-side view showing VIAVI label, focus wheel, capture button, and tip port

Viavi P5000i Fiber Inspection Scope + U25M Tip (2.5mm Patchcord PC)

Model: P5000i

Manufacturer: Viavi JDSU

In stock: 1

SKU: 8444 6G03

Condition: Refurbished

Price: Sale price £420.75

Viavi OTU 8000E v2 with OTAU 1x8 optical switch — front three-quarter view showing LC/APC ports and panel

Viavi OTU 8000E v2 complete sale contents including power adapter, fan trays, patch lead and getting started manual

Viavi JDSU OTU 8000E v2 with OTAU 1x8 Optical Switch

Model: 8000E

Manufacturer: Viavi JDSU

In stock: 3

SKU: 7931 3D01

Condition: Used

Price: Sale price £637.50

EXFO MaxTester MAX-945-SM3 OLTS unit with carry case, AC adapter, stylus and LC adapter accessories

EXFO MAX-945-SM3 front view showing 7-inch touchscreen, MaxTester branding and home/power buttons

EXFO OLTS MAX-945-SM3 1310/1550/1625 SM Fibre Certifier MAX-945 SM3 SC-APC

Model: MAX-945-SM3

Manufacturer: EXFO

In stock: 1

SKU: 8435 6F02

Condition: Used

Price: Sale price £3,395.75

EXFO FLS-600-234BL light source with EXFO carry case, shoulder strap, patch lead and international AC adapter plugs

FLS-600 specifications sheet showing 234BL model highlighted — 1310/1550/1625 nm wavelengths and general specs

EXFO FLS-600 Light Source FLS-600-234BL 1310/1550/1625 nm APC-SC MFD2022

Model: FLS-600

Manufacturer: EXFO

In stock: 5

SKU: 8339 6D01

Condition: Used

Price: Sale price £350.00

Viavi MTS 6000A V2 OSA-110M optical spectrum analyser full kit — mainframe, carry bag, power adapter, stylus, manual

Viavi MTS 6000A V2 front panel showing colour display, START/STOP, RESULTS, SETUP, FILE, EXPORT, HOME buttons

Viavi JDSU 6000V2 + OSA-110M OSA Optical Spectrum Analyzer 1250nm up to 1650

Model: 6000V2

Manufacturer: Viavi JDSU

In stock: 1

SKU: 7740 3C03

Condition: Used

Price: Sale price £1,270.75

Intec Argus 165 GigE xDSL tester with carry case, power adapter, test leads and blue Ethernet patch cable

Argus 165 screen showing ARGUS info: firmware SW R4.43.00, serial number 31325, loader V7.59, dated 14.10.21

Intec Argus 165 GigE + ADSL Annex B & J VDSL SHDSL ISDN RFC 2544 Ethernet + TDR

Model: Argus 165

Manufacturer: Intec Argus

In stock: 5

SKU: 8425 5D01

Condition: Used

Price: Sale price £420.75

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: 2

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 1C02

Condition: Used

Price: Sale price £4,245.75

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: 2

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: 4

SKU: 8394/8475 6C02

Condition: Used

Price: Sale price £34.00

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 7F02

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 5E02

Condition: Used

Price: Sale price £212.50

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 £552.50

Fujikura CT-50 fibre cleaver top view on carry case showing blade arm, fibre clamp, Rotate/Link buttons and yellow scrap collector arrow

Fujikura CT-50 fibre cleaver rear view showing serial number label S/N 110594, CE UKCA markings and Made in Japan label

Serviced Fujikura CT-50 Cleaver CT50 with Guide Plate + Case

Model: CT-50

Manufacturer: Fujikura

In stock: 1

SKU: 0009 7D03

Condition: Refurbished

Price: Sale price £335.75

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

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: 2

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: 5

SKU: 8337 6C02

Condition: Used

Price: Sale price £250.75

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 £136.00

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 £505.75

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 £637.50

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

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 £297.50

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 £297.50

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 £760.75

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 £136.00

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 £420.75

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: 1

SKU: 8241 4E05

Condition: New other (see details)

Price: Sale price £382.50

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 £1,695.75

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 + FI-60

Model: MTS 4000 V2 & 4138 FB65

Manufacturer: Viavi JDSU

In stock: 1

SKU: 8257 5A03

Condition: Used

Price: Sale price £2,460.75

Save £2,249.25

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 Regular price £14,995.00

Save £1,000.00

BD FACSCelesta BVR flow cytometer full system on trolley with Dell laptop, BD HTS, and FACSFlow Supply System

BD FACSCelesta BVR 3-laser flow cytometer front view showing control panel, BD HTS attached, warning labels

BD FACSCelesta Multicolor Flow Cytometer 3 Lasers BVR w/ BD HTS + Supply System.

Model: FACSCelesta

Manufacturer: Becton Dickinson

In stock: 1

SKU: 7550* 1A04

Condition: Used

Price: Sale price £12,495.00 Regular price £13,495.00

JDSU OCC-56L Optical Channel Checker front view powered on showing OCC boot screen, with AC adapter

JDSU OCC-56L specifications image showing OCC-56C and OCC-56L wavelength and performance specs table

Viavi JDSU OCC56 Optical Channel Checker OCC56L 2277/42 Lband 15701609 nm

Model: OCC-56

Manufacturer: Viavi JDSU

In stock: 1

SKU: 5312 6D02

Condition: Used

Price: Sale price £212.50

Fitel Furukawa S177A fusion splicer front view with S325A cleaver and S957B AC adapter laid out

Fitel S177A fusion splicer right-side angle view showing LCD display, keypad, and wind protector

Fitel Furukawa S177A Core Alignment Fusion Splicer + S325A Cleaver ARC 4969 S177

Model: S177A

Manufacturer: Fitel

In stock: 1

SKU: 8037 3B02

Condition: Used

Price: Sale price £420.75

Fitel Furukawa S177A fusion splicer front view with S325A cleaver and S957B AC adapter laid out

Fitel S177A fusion splicer right-side angle view showing LCD display, keypad and wind protector

Fitel Furukawa S177A Core Alignment Fusion Splicer + S325A Cleaver ARC 4780 S177

Model: S177A

Manufacturer: Fitel

In stock: 1

SKU: 8036 3B02

Condition: Used

Price: Sale price £382.50

Bio-Rad AutoDG Automated Droplet Generator lid open, showing internal deck, DG32 cartridge holders and oil bottle, front 3/4 view

Bio-Rad AutoDG Automated Droplet Generator front view with lid closed, touchscreen visible on lower right

BIO-RAD Automated Droplet Generator Run Count = 104 MFG 2021

Model: BIO RAD

Manufacturer: BIO-RAD

In stock: 1

SKU: 8185 1B01

Condition: Used

Price: Sale price £2,595.75

Lumenis Novus Spectra 0642-510-01 full kit with Acculite carry case, LIO heads, remote, adapters and cables

Lumenis Novus Spectra front panel close-up showing F903 mW display, mode controls, fibre ports and key switch

Lumenis Novus Spectra Integrated Laser System 0642-510-01 - Missing Aperture

Model: 0642-510-01

Manufacturer: Lumenis

In stock: 1

SKU: 8133+8204 3D04

Condition: Used

Price: Sale price £2,035.75

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