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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.

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* FL01

Condition: Used

Price: Sale price £13,595.75

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 £250.75

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 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 £420.75

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

Fitel S177A fusion splicer left-side angle view showing LCD screen, keypad, and heater cover closed

Fitel Furukawa S177A Core Alignment Fusion Splicer + S325A Cleaver ARC 3452 S177

Model: S177A

Manufacturer: Fitel

In stock: 1

SKU: 8035 3B02

Condition: Used

Price: Sale price £420.75

PCTEL SeeGull IBflex scanning receiver with two omni antennas, GPS patch antenna, and DC vehicle power cable

PCTEL SeeGull IBflex front panel showing COM, Wi-Fi/BT, GPS, USB, SD, LAN, RF1, RF2 connectors and power switch

PCTEL SeeGull IBflex 570 MHz - 3.8 GHz Scanning Receiver 08900S CDMA EV-DO......

Model: 08900S

Manufacturer: PCTEL

In stock: 1

SKU: 3027 5D02

Condition: Used

Price: Sale price £1,270.75

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 XXXX

Condition: Used

Price: Sale price £3,395.75

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 5A04

Condition: Used

Price: Sale price £2,035.75

Zeiss AxioCam HRc 412-312 colour microscope camera with external power supply and optical fibre cable, full kit

Zeiss AxioCam HRc 412-312 front view showing C-mount lens port and radial heat-sink fins, ZEISS branding on top

Zeiss Axiocam 412312 Colour Microscope Camera w/ Power Supply + Optical Cable

Model: 412-312

Manufacturer: ZEISS

In stock: 1

SKU: 7819 6C04

Condition: Used

Price: Sale price £293.25

Eppendorf 5391 HeatSealer S100 microplate sealer front view with 96-well plate adapter inserted and TT Instruments product label

Eppendorf 5391 HeatSealer S100 rear view showing IEC power inlet, voltage selector switch, fuse holder, and regulatory label

Eppendorf 5391 Microwell Microplate Plate Sealer

Model: 5391

Manufacturer: Eppendorf

In stock: 1

SKU: 8176 6E05

Condition: Used

Price: Sale price £675.75

Invitrogen Neon NxT NEON18S Electroporation System full bundle — pulse generator, both pipette stations, pipettes, and consumables

Invitrogen Neon NxT 1-channel pipette station with pipette docked, clear reservoir tray, Invitrogen branding on base

Thermo Fisher Invitrogen NeonNxT NEON18 Electroportation System MFG 2024

Model: NEON18

Manufacturer: Thermo Fisher Scientific

In stock: 1

SKU: 8172 4D04

Condition: Used

Price: Sale price £5,095.75

Solentim Cell Metric CLD High Contrast Imager front view with two 10-plate stacker cassettes and Loader-PSU

Solentim Cell Metric CLD angled front-right view showing heated stacker tower, blue LED strip, and Loader-PSU

Solentim Cell Metric CLD High Contrast Imager w/10 Plate Heated Stacker MFG 2021

Model: CM-Loader

Manufacturer: Solentim

In stock: 1

SKU: 8203 XXXX

Condition: Used

Price: Sale price £4,585.75

Sartorius Stedim BioWelder TC front view showing LCD touchscreen displaying model name, yellow handle and TT Instruments label

Sartorius BioWelder TC thermoplastic tube welder angled left side view showing smoked safety cover and base wear

Sartorius Stedim BioWelder TC Sterile Tube Welder

Model: BioWelder TC

Manufacturer: Reed Electronics

In stock: 1

SKU: 8202 3D03

Condition: Used

Price: Sale price £4,585.75

Sartorius SECURA6101-1CEU precision balance front 3/4 view with stainless steel pan and UK AC power adapter

Sartorius SECURA6101-1CEU right side view showing manufacturer label: Max 6100g, SQP-C, CE M18, Made in Germany

Sartorius SECURA6101-1CEU Balance Min=5g Max=6100g e=0.1g d=0.1g MFG 2018

Model: SECURA6101-1CEU

Manufacturer:

In stock: 2

SKU: 8173 3D03

Condition: Used

Price: Sale price £505.75

Spectrum Labs KrosFlo MiniKros Pilot i TFF System 900-1939 — front three-quarter view showing pump head and LCD display

KrosFlo MiniKros Pilot i 900-1939 LCD screen showing firmware Version A.6.3 / 0.3.6 and TTInstruments product ID 8182

Spectrum Labs KrosFlo MiniKros Pilot Peristaltic Pump 900-1939

Model: 900-1939

Manufacturer: Spectrum Labs

In stock: 1

SKU: 8182 2C03

Condition: Used

Price: Sale price £505.75

Fujikura 31S+ fusion splicer kit with CT16 cleaver, AC adapter, fibre stripper and hard carrying case

Fujikura 31S+ fusion splicer front-angle view showing 5-inch touchscreen and HEAT RESET SET controls

Serviced Fujikura 31S+ Active Cladding Fusion Splicer + CT16 Cleaver ARC 695

Model: 31S+

Manufacturer: Fujikura

In stock: 1

SKU: 8186 5B03

Condition: Refurbished

Price: Sale price £845.75

VIAVI NSC-100 complete kit — unit, VIAVI carry bag, power adapter, SFP transceivers and quick start guide

VIAVI Mobile Tech app screen showing NSC-100 serial RRSP0063500236 SW 4.2.15 and active software options

Viavi JDSU NSC-100 Tester 1G 10G LOOPBACK GPON Optical Ethernet WIFI Speedtest

Model: NSC-100

Manufacturer: Viavi JDSU

In stock: 1

SKU: 8154 5E01

Condition: Used

Price: Sale price £382.50

INTEGRA VIAFLO 96 96-channel pipette front view with 300µl head, base unit, plate holders, and spiral-bound manual

INTEGRA VIAFLO 96 right-side view showing INTEGRA label, Hawkesworth PAT PASS sticker and maintenance due label

Serviced Integra Biosciences VIAFLO 96, 96 Channel Pipette With 300ul Head

Model: VIAFLO 96

Manufacturer: Integra Biosciences

In stock: 1

SKU: 8169 1E03

Condition: Used

Price: Sale price £4,755.75

GE Cytiva Sepax C-Pro cell processing instrument front view with IV pole stand and Datalogic barcode reader

GE Cytiva Sepax C-Pro cell processing instrument right-side angle view showing touchscreen display and IV pole

GE Cytiva Sepax C-Pro Cell Processing Instrument 2018 w/ Barcode Reader

Model: Sepax C-Pro

Manufacturer: GE

In stock: 2

SKU: 8168 2C02

Condition: Used

Price: Sale price £3,055.75

ACEA Biosciences xCELLigence RTCA W380 control unit, 3/4 front view with RS-232 serial cable included

xCELLigence RTCA W380 rear panel showing COM port, EPS port, reset button, mains switch and model label

ACEA Biosciences xCELLigence RTCA W380 RealTime Cell Analyzer

Model: xCELLigence w380

Manufacturer: ACEA Biosciences

In stock: 1

SKU: 8171 4D04

Condition: Used

Price: Sale price £1,525.75

Anritsu MS2724B Spectrum Master 20 GHz with soft carry case and AC adapter, front 3/4 view

OTC Certificate of Calibration 163701/AA for Anritsu MS2724B serial 0726122, dated 06 Feb 2026

Conditional Cal Anritsu MS2724B Spectrum Master 20 GHz READ Description

Model: MS2724B

Manufacturer: Anritsu

In stock: 1

SKU: 7526 6D01

Condition: Used

Price: Sale price £2,035.75

Spectrum Instruments TM4-M+ Rubidium Time Frequency Reference System with JDSU bag, GPS antenna, CD, cables and keypad

Spectrum Instruments TM4-M+ Rubidium front panel angled view showing BNC outputs, power switch, Time Port and Control Port

Spectrum Instruments TM4-M+ Rubidium Time/Frequency Reference System 21351-102

Model: TM4-M+

Manufacturer: Spectrum Instruments

In stock: 1

SKU: 8159 XXXX

Condition: Used

Price: Sale price £675.75

Spectrum Instruments TM4-M+ Rubidium Time Frequency Reference System with accessories, carry case and software CD

Spectrum Instruments TM4-M+ Rubidium front and top panel view showing BNC outputs and ON/OFF switch

Spectrum Instruments TM4-M+ Rubidium Time Frequency Reference System 21351-102

Model: TM4-M+

Manufacturer: Spectrum Instruments

In stock: 1

SKU: 8160 7E01

Condition: Used

Price: Sale price £675.75

ionBench BCH120NE78 mobile mass spectrometer bench front view, black cabinet, two doors, castors, ionBench label

ionBench BCH120NE78 mass spec bench side view showing black cabinet body, grey worktop overhang, and castors

ionBench BCH120NE78 Mobile Lab Bench For Mass Spectrometer 120x88x86cm

Model: BCH120NE78

Manufacturer: ionBench

In stock: 1

SKU: 8135 FL00

Condition: Used

Price: Sale price £845.75

Save £5,999.25

Heidelberg Engineering HRA+OCT Spectralis full system setup with NEC monitor, Dell PC, touch panel, isolation transformer and foot switch on mobile trolley

Heidelberg Engineering Spectralis HRA+OCT module comparison chart showing standard and optional features across OCT, HRA+OCT and HRA models

Heidelberg Engineering HRA + OCT Spectralis Imaging System MFD 2012

Model: HRA + OCT Spectralis

Manufacturer: Heidelberg Engineering

In stock: 1

SKU: 8031 FL00

Condition: Used

Price: Sale price £16,995.75 Regular price £22,995.00

Keysight MSOX3032A front view powered on showing InfiniiVision MegaZoom IV boot screen, 2 BNC inputs and TT Instruments product ID label 8024

Keysight MSOX3032A front panel view with screen off showing full control panel, 2 analogue BNC inputs and 16-channel digital probe connector

Keysight MSOX3032A 2+16CH 350 MHz Mixed Signal Oscilloscope MSO-X 3032A + N2140A

Model: MSOX3032A

Manufacturer: Keysight Agilent

In stock: 1

SKU: 8024 XXXX

Condition: Refurbished

Price: Sale price £2,545.75

Viavi FOD5510M MPO Switch MM 1x12 OM4 front view with soft carry case and USB cable

Viavi FOD5510M MPO Switch front panel showing LCD channel display, SC/PC and MPO ports

Viavi MPO Switch MM FOD5510M 1x12 OM4

Model: FOD5510M

Manufacturer: Viavi JDSU

In stock: 1

SKU: 7945 4E03

Condition: Used

Price: Sale price £63.75

Leitz Orthoplan compound microscope with Wild Heerbrugg illuminator, 6 objectives, eyepieces and blue filters laid out

Leitz Orthoplan compound microscope right-side view showing trinocular head, NPL Fluotar objectives and mechanical stage

Leitz Orthoplan Compound Microscope with 6x Objectives & Illuminator

Model: Orthoplan

Manufacturer: Leitz

In stock: 1

SKU: 8013 3B04

Condition: Used

Price: Sale price £1,695.75

Anritsu MA25100A RF Power Indicator with Anritsu SiteMaster branded lanyard, full unit view

Anritsu MA25100A RF Power Indicator body label showing 400 MHz–4.0 GHz, 100W max, S/N 1408170

Anritsu MA25100A RF Power Indicator 400 MHz - 4.0 GHz

Model: MA25100A

Manufacturer: Anritsu

In stock: 1

SKU: 7938 6G03

Condition: Used

Price: Sale price £63.75

Olympus FLUOVIEW FV10i confocal microscope system front view with PSU, external module, and specimen holders

Olympus FLUOVIEW FV10i confocal laser scanning microscope front panel close-up with product ID label

Olympus FLUOVIEW FV10i Confocal Laser Scanning Microscope System FV10C-W

Model: FV10i

Manufacturer: Olympus

In stock: 1

SKU: 8019 XXXX

Condition: Used

Price: Sale price £8,495.75

Thermo Scientific Varioskan Flash Type 3001 microplate reader front view, lid closed, blue base

Varioskan Flash 5250040 front view lid open showing internal optics, DLReady module and dispensers

Thermo Scientific Varioskan Flash Type 3001 Microplate Reader 5250040 MFD 2012

Model: 5250040

Manufacturer: Thermo Scientific

In stock: 1

SKU: 8018 8A03

Condition: Used

Price: Sale price £3,395.75

Dionex VWD-3400RS UltiMate 3000 RS Variable Wavelength Detector front panel showing 265 nm display

Dionex VWD-3400RS UltiMate 3000 RS Variable Wavelength Detector top and rear view with service label

Dionex VWD-3400RS UltiMate 3000 RS Variable Wavelength Detector For UHPLC+

Model: VWD-3400RS

Manufacturer: Dionex

In stock: 1

SKU: 8014 4A02

Condition: Used

Price: Sale price £1,355.75

Illumina MiniSeq SY-420-1001 NGS sequencer front view with touchscreen, keyboard, and High Output reagent cartridge insert plate

Illumina MiniSeq DNA Sequencer System SY-420-1001 MFG 2016 Run Count 22

Model: MiniSeq

Manufacturer: Illumina

In stock: 1

SKU: 8003 8A03

Condition: Used

Price: Sale price £2,970.75

Fujifilm FDR D-EVO III C35i flat panel detector — front face view showing carbon fibre surface and alignment markers

Fujifilm FDR D-EVO III C35i DR-ID 1800 — rear view showing Fujifilm branding, battery bay and model label

Fujifilm FDR D-EVO III C35i Digital Radiography Flat Panel Detector DR-ID 1800

Model: DR-ID 1811SE

Manufacturer: Fujifilm

In stock: 1

SKU: 7976 3A03

Condition: Used

Price: Sale price £6,370.75

Edwards nXDS6i dry scroll vacuum pump A735-01-983 — front-left 3/4 view showing ribbed aluminium body, control panel, NW25 exhaust port and Ralston gas ballast fitting

Edwards nXDS6i scroll vacuum pump A735-01-983 — right-rear 3/4 view showing grey motor housing, ribbed cooling fins, gas ballast inlet and exhaust port fitting

Edwards nXDS6i Dry Scroll Vacuum Pump 100/240V A735-01-983 MFG 2015

Model: nXDS6i

Manufacturer: Edwards

In stock: 1

SKU: 8028 XXXX

Condition: Used

Price: Sale price £2,035.75

Lumenis Sharplan AcuSpot 712 CO2 laser micromanipulator kit in open black carry case with blue foam insert

Sharplan AcuSpot 712 CO2 laser aperture micromanipulator with accessories laid out beside labelled carry case

Lumenis Sharplan Acuspot 712 CO2 Laser Aperture Micromanipulator 200 mm-400 mm

Model: Acuspot 712

Manufacturer: Lumenis Sharplan

In stock: 1

SKU: 8027 XXXX

Condition: Used

Price: Sale price £1,695.75

Halo Labs Horizon Particle Analyzer 10-0001 full kit — main unit with vacuum bottle assembly, membrane plates, and manifold

Halo Labs Horizon Particle Analyzer 10-0001 — left-side view showing hexagonal ventilation grille and Halo Labs branding

Halo Labs Horizon Particle Analyzer 10-0001 Waters

Model: Horizon

Manufacturer: Halo Labs

In stock: 1

SKU: 8000 2D02

Condition: Used

Price: Sale price £5,095.75

Rohde & Schwarz SMC100A 9 khz - 3.2 GHz Signal Generator SMC-B103 Option R&S SMC

Rohde & Schwarz SMC100A 9 khz - 3.2 GHz Signal Generator SMC-B103 Option R&S SMC

Rohde & Schwarz SMC100A 9 khz - 3.2 GHz Signal Generator SMC-B103 Option R&S SMC

Model: SMC100A

Manufacturer: Rohde & Schwarz

In stock: 1

SKU: 8016 4C02

Condition: Used

Price: Sale price £2,545.75

Watson Marlow 530UN IP66 peristaltic pump with 520R head, quick start manual, tubing guide and spare fuse — full kit view

Watson Marlow 530U front panel showing colour display, mode controls, start/stop buttons and 520R pump head with clear cover

Watson Marlow 530U (530UN/R) IP66 Pump with 520R Head

Model: 530UN/R

Manufacturer: Watson Marlow

In stock: 4

SKU: 8010 3A02

Condition: Used

Price: Sale price £1,355.75

Watson Marlow 530UN IP66 peristaltic pump front-angle view with 520R2 pumphead and 520 Af foot switch

Watson Marlow 530UN peristaltic pump right-side view showing green housing, LCD display and 520R2 pumphead

Watson Marlow 530U (530UN/R) IP66 Pump with 520R2 Head & 520 Af Foot Switch

Model: 530UN/R

Manufacturer: Watson Marlow

In stock: 3

SKU: 8009 4A03

Condition: Used

Price: Sale price £1,355.75

FLIR Thermovision A40 thermal imager kit in open hard carry case with foam insert, IR-Lens, cables, manual and CD

FLIR Thermovision A40 thermal imager with FLIR IR-Lens 18mm, ThermaCAM QuickView CD, power adapter and lens cap

FLIR Thermovision A40 Infrared Thermal Imager with IR-LENS 18 mm - Working

Model: A40

Manufacturer: Flir

In stock: 1

SKU: 3221* 4C04

Condition: Used

Price: Sale price £845.75

Agilent Keysight N2267A High Current GP Relay Module — angled top view showing front panel and serial label MY42000244

Agilent N2267A relay module front panel — 8 red input connectors (00–07), 250VAC 8A max rating and WARNING label

Agilent Keysight N2267A 8-Channel High Current General Relay Module

Model: N2267A

Manufacturer: Agilent

In stock: 1

SKU: 7988 6F05

Condition: Used

Price: Sale price £335.75

Wiltron 5400-71N50 RF Detector 1 MHz to 3 GHz with multi-pin cable, front label showing model and specs

Wiltron 5400-71N50 RF Detector rear label showing serial number 95028 with coiled interface cable

Wiltron 5400-71N50 RF Detector 1 MHz to 3 GHz +20 dBm MAX

Model: 5400-71N50

Manufacturer: Wiltron

In stock: 1

SKU: 7966 3A03

Condition: Used

Price: Sale price £63.75

HP Agilent 909A APC-7 coaxial termination front view showing worn body label with model number and Hewlett-Packard branding

HP Agilent 909A APC-7 coaxial termination end-on view showing gold-plated precision 7mm APC-7 centre conductor and connector face

HP Agilent 909A 18 GHz APC-7 RF Coaxial Precision Load

Model: 909A

Manufacturer: Keysight

In stock: 1

SKU: 7968 3A03

Condition: Used

Price: Sale price £63.75

Agilent 8496H 110dB programmable step attenuator front panel, SMA connectors, DC-18GHz label, red port caps

Agilent 8496H attenuator right-side view showing 12-pin Viking programming connector and Agilent calibration seal

Agilent 8496H 0-110 dB Manual Step Attenuator DC-18 GHz Opt. 002

Model: 8496H

Manufacturer: Agilent

In stock: 1

SKU: 7960 4E03

Condition: Used

Price: Sale price £131.75

HP Agilent 8495G 70dB Step Attenuator front view showing Type-N female connectors and label — DC-4GHz 1W CW

HP Agilent 8495G attenuator end panel showing 24VDC label, 12-pin Viking programming connector and Type-N port

Agilent 8495G 0-70 dB Manual Step Attenuator DC-4 GHz Opt. 001

Model: 8495G

Manufacturer: Agilent

In stock: 1

SKU: 7958 6G03

Condition: Used

Price: Sale price £80.75

Keysight 84904L Opt. 006 11dB attenuator front view showing calibration label, S/N TH59432904, DC-40GHz, on black stand

Keysight 84904L 40GHz programmable attenuator right-side view showing single 2.92mm SMA-compatible RF port on black housing

Keysight Agilent 84904L Opt. 006 11dB Attenuator DC-40GHz

Model: 84904L

Manufacturer: Agilent

In stock: 1

SKU: 7955 6G03

Condition: Used

Price: Sale price £165.75

Keysight Agilent 1250-1746 APC-7 to 3.5mm Male SMA adapter angled view showing knurled body and APC-7 face

Keysight Agilent 1250-1746 APC-7 SMA adapter side view showing gold 3.5mm male SMA pin and threaded coupling sleeve

Keysight Agilent 1250-1746 APC-7 3.5MM MALE SMA Adapter DC - 18 GHz

Model: 1250-1746

Manufacturer: Agilent

In stock: 1

SKU: 7943 4E03

Condition: Used

Price: Sale price £63.75

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