Cart

Your cart is empty

ALL PRODUCTS

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.

EXFO FIP-400 fibre inspection probe with U25 tip fitted, protective tip cap, and coiled cable — full side view

EXFO FIP-400 fibre inspection probe side view showing 8-pin mini-DIN connector port, body buttons and grip

EXFO FIP-400 Fiber Scope with U25 tip for 2.5mm Ferrules

Model: FIP-400

Manufacturer: EXFO

In stock: 1

SKU: 3502 7D02

Condition: Used

Price: Sale price £102.00

Viavi JDSU CA5000 CellAdvisor 5G Option F002 5G NR FR1 - 6 GHz & FR2 - 40 GHz

Viavi JDSU CA5000 CellAdvisor 5G Option F002 5G NR FR1 - 6 GHz & FR2 - 40 GHz

Viavi JDSU CA5000 CellAdvisor 5G Option F002 5G NR FR1 - 6 GHz & FR2 - 40 GHz

Model: CA5000

Manufacturer: Viavi JDSU

In stock: 1

SKU: 3347 5C04

Condition: Used

Price: Sale price £4,245.75

Viavi FOD5510M MPO Switch 1x12 full kit with OM4 launch boxes, patchcords, USB cable and carry case

Viavi FOD5510M MPO Switch front panel showing SC/PC and MPO ports, channel display and TT Instruments label

Viavi MPO Switch MM FOD5510M 1x12 with Launch Cables

Model: FOD5510M

Manufacturer: Viavi JDSU

In stock: 4

SKU: 3448 7E03

Condition: Used

Price: Sale price £80.75

VIAVI NSC-100 Network & Service Companion front panel showing Pair/Power buttons, LED indicators, SFP, ETH, WiFi, CHG ports

VIAVI NSC-100 Network & Service Companion top-down view showing ventilation grille and carry strap

Viavi JDSU NSC-100 Network & Service Companion 1G LOOPBACK GPON + MORE

Model: NSC-100

Manufacturer: Viavi JDSU

In stock: 3

SKU: 3080 6D01

Condition: Used

Price: Sale price £212.50

PCTEL SeeGull IBflex 08900S scanning receiver with magnetic cellular antenna, GPS patch antenna, and USB cable

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

PCTEL SeeGull IBflex 570 MHz - 3.8 GHz Scanning Receiver 08900S xx Licences 4G

Model: 08900S

Manufacturer: PCTEL

In stock: 1

SKU: 3040 5D02

Condition: Used

Price: Sale price £1,355.75

PCTEL SeeGull IBflex scanning receiver complete kit with two RF antennas, GPS antenna, DC power cable and USB cable

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

PCTEL SeeGull IBflex 570 MHz - 3.8 GHz Scanning Receiver 08900S xx Licences LTE

Model: 08900S

Manufacturer: PCTEL

In stock: 1

SKU: 3029 5D02

Condition: Used

Price: Sale price £1,355.75

Viavi NSC-100 Network Service Companion full kit with carry bag, power adapter, plugs, battery and Quick Start Guide

Viavi NSC-100 Network Service Companion front panel showing Pair, Power, Run buttons and SFP ETH WIFI CHG indicators

Viavi NSC-100 Network and Service Companion Loopback 1G Ethernet GPON WIFI

Model: NSC-100

Manufacturer: Viavi JDSU

In stock: 6

SKU: 6129 4B04

Condition: Used

Price: Sale price £160.00

ZEISS Plan-Apochromat 40x/0.95 Korr objective front view showing engraved markings and part number 44 06 54

ZEISS Plan-Apochromat 40x/0.95 Korr objective showing Plan-APOCHROMAT label, infinity correction, and correction collar scale

ZEISS Plan-APOCHROMAT 40x/0.95 Korr 44 06 54 (1108-276) Microscope Objective

Model: 44 06 54

Manufacturer: Carl Zeiss

In stock: 1

SKU: 3299 CB02

Condition: Used

Price: Sale price £552.50

Keysight Agilent Accessories for N4002A

Keysight Agilent N4002A accessories: Mini-Circuits ZFM-4212 mixer, SBP-70 filter, SMA adapters, attenuator

Keysight Agilent Accessories for N4002A

Model: Various

Manufacturer: Keysight Agilent

In stock: 1

SKU: 3482 3D01

Condition: Used

Price: Sale price £127.50

Full lot view: 9x Philips IntelliVue MX40-2B4 monitors, 865220 charging station, batteries, holders and ECG cables

Nine Philips IntelliVue MX40 wearable monitors with screen off, front view showing colour touchscreen and controls

9x Philips Intellivue MX40-2B4 Patient Wearable Monitors with Batteries & Charger

Model: MX40

Manufacturer: Philips

In stock: 1

SKU: 3462 4A03

Condition: Used

Price: Sale price £5,095.75

Micronic DT300 2D Bluetooth Tube Reader MP55127 front view with lanyard and TTInstruments product ID tag

Micronic DT300 2D Bluetooth Reader scanning aperture close-up showing imaging sensor and LED illumination

Micronic DT300 2D Bluetooth Reader MP55127

Model: MP55127

Manufacturer: Micronic

In stock: 1

SKU: 3428 7G03

Condition: Used

Price: Sale price £127.50

Micronic DR505 Rack Reader front view with side barcode reader arm raised, TT Instruments label visible

Micronic DR505 Rack Reader angled view with USB cable, power supply adapter, and side barcode reader arm

Micronic DR505 Rack Reader With Side Barcode Reader

Model: DR505

Manufacturer: Micronic

In stock: 2

SKU: 3429 4D03

Condition: Used

Price: Sale price £845.75

Zeiss Plan-NEOFLUAR 10x/0.30 objective front view showing green label, yellow band and part number 3 31

Zeiss Plan-NEOFLUAR 10x/0.30 objective reverse side showing P' marking, yellow band and light surface scratching

ZEISS Plan-NEOFLUAR 10x/0.30 Microscope Objective 44 03 31

Model: 440331

Manufacturer: Carl Zeiss

In stock: 1

SKU: 3298 CB02

Condition: Used

Price: Sale price £85.00

Zeiss Plan-NEOFLUAR 2.5x/0.075 microscope objective 440310 front label view showing West Germany markings

Zeiss Plan-NEOFLUAR 2.5x/0.075 objective rear barrel view showing infinity correction and 0.1 cover glass markings

ZEISS Plan-NEOFLUAR 440310 2.5x/0.075 Microscope Objective

Model: 440310

Manufacturer: ZEISS

In stock: 1

SKU: 4092 CB02

Condition: Used

Price: Sale price £85.00

Viavi TM100GA 100G Module front panel view showing all ports: CFP4, QSFP28, SFP28, RJ-45, RJ-48c, BNC, SMA and USB

Viavi TM100GA 100G Module close-up of Port 2 area showing DS1/E1 RJ-48c, 10/100/1000 RJ-45, and Mini-BNC connectors

Viavi JDSU TM100GA Transport Module with Multiple Licences 100G Module

Model: TM100GA

Manufacturer: Viavi JDSU

In stock: 1

SKU: 3344 4C02

Condition: Used

Price: Sale price £3,820.75

JDSU OLP-55 BN 2277/03 optical power meter front view with port cap open, displaying +4.51 dB reading, with carry case

JDSU OLP-55 specifications chart showing BN 2277/01 to BN 2277/04 variants wavelength range and uncertainty data

Viavi JDSU OLP-55 Optical Power Meter 2277/03 800nm - 1700nm High Power +26 dBm

Model: OLP-55

Manufacturer: Viavi JDSU

In stock: 1

SKU: 3382 4E03

Condition: Used

Price: Sale price £106.25

JDSU OLT-55 SmartClass Optical Loss Test Set front view with port cover open showing fibre connectors

JDSU OLT-55 SmartClass OLTS rear view with port cover open showing serial number label R-0036

Viavi JDSU OLT-55 SmartClass Optical Loss Test Set 1310/1490/1550 nm 2286/02

Model: OLT-55

Manufacturer: Viavi JDSU

In stock: 1

SKU: 3384 4E03

Condition: Used

Price: Sale price £212.50

Renishaw RL633 HeNe 633nm laser unit — front-side view showing branding label and laser caution sticker

Renishaw RL633 HeNe laser — output aperture end showing laser port, LASER indicator LED and avoid exposure label

Renishaw RL633 HeNe 633 nm Laser For Raman Spectroscopy MFD 2011

Model: RL633

Manufacturer: Renishaw

In stock: 1

SKU: 3396 1B02

Condition: Used

Price: Sale price £1,695.75

Renishaw HPNIR830 830nm NIR laser module on aluminium baseplate with user manual and cable connector

Renishaw HPNIR830 front panel showing NIR branding, sunburst graphic, laser aperture and key switch

Renishaw NIR HPNIR830 High Power 830nm Laser MFD 2005

Model: HPNIR830

Manufacturer: Renishaw

Spectroscopy

In stock: 1

SKU: 3394 2B03

Condition: Used

Price: Sale price £1,695.75

Viavi FBTP-FC-APC FC/APC bulkhead probe tip — angled top view showing knurled body and male threaded nozzle

Viavi FBTP-FC-APC FC/APC bulkhead probe tip — front-on view showing knurled collar and threaded male connector

Viavi JDSU Fiberscope FBTP-FC-APC Bulkhead Tip for FiberChek & P5000i Probes

Model: FBTP-FC-APC

Manufacturer: Viavi JDSU

In stock: 1

SKU: 3393 7G03

Condition: Used

Price: Sale price £106.25

Viavi MTS 6000A V2 OTDR acquisition screen showing 1542.94 nm wavelength, 50 GHz DWDM grid, 5 km range and DWDM channel selector

Viavi JDSU E81WDM-C Tunable DWDM OTDR Module C-Band with 6000A V2 Mainframe

Model: E81WDM-C

Manufacturer: Viavi JDSU

In stock: 1

SKU: 3358 2D04

Condition: Used

Price: Sale price £5,095.75

Keysight N7564A 6-port ECal Module with Keysight box, USB cable, torque wrench, brackets and accessories

Keysight N7564A Multiport ECal Module front panel showing 6 ports A–F, 3.5 mm label, USB port and DC Coupled markings

Keysight Agilent N7564A DC-20 GHz Multiport ECal Module 6-Ports

Model: N7564A

Manufacturer: Keysight Agilent

In stock: 1

SKU: 3154 6F04

Condition: Used

Price: Sale price £4,245.75

ECHO Rebel REB-01-D microscope front view with iPad display showing stained tissue sample, power adapter, focus wheel, and accessories laid out

ECHO Rebel REB-01-D angled side view showing inverted nosepiece with 10x and 20x phase objectives, stage, and iPad display with sample image

ECHO Rebel REB-01-D Upright | Inverted | Brightfield | Phase Contrast Microscope

Model: Rebel

Manufacturer: ECHO

In stock: 1

SKU: 3293 2C02

Condition: Used

Price: Sale price £2,035.75

PCTEL SeeGull IBflex 08900S rear panel showing COM, Wi-Fi/BT, GPS, USB, LAN, SD, RF1, RF2 ports and power switch

PCTEL SeeGull IBflex 08900S full kit with two magnetic mount antennas, GPS antenna, USB cable, and in-car power adapter

PCTEL SeeGull IBflex 570MHz-3.8GHz Scanning Receiver 08900S LTE TD/FD-LTE

Model: 08900S

Manufacturer: PCTEL

In stock: 1

SKU: 3023 4B04

Condition: Used

Price: Sale price £1,355.75

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

PCTEL SeeGull IBflex complete kit with two magnetic-mount antennas, GPS antenna, USB cable, and power adapter

PCTEL SeeGull IBflex 570MHz-3.8GHz Scanning Receiver 08900S ENH Power Scan Optio

Model: 08900S

Manufacturer: PCTEL

In stock: 1

SKU: 3022 4B04

Condition: Used

Price: Sale price £1,355.75

Agilent N2779A Power Supply front panel showing POWER LED, three probe output connectors and TT Instruments label

Agilent N2779A Power Supply front and right-side view showing ventilation slots and compact grey enclosure

Keysight Agilent N2779A Power Supply

Model: N2779A

Manufacturer: Keysight Agilent

In stock: 2

SKU: 3153 7C02

Condition: Used

Price: Sale price £335.75

Viavi FMA-SC-APC SC/APC male threaded adapter in original sealed packaging with product label and TT Instruments ID sticker

Viavi FMA-SC-APC SC/APC adapter front face view showing SC-APC port, KEY alignment marker and two knurled locking screws

Viavi JDSU FMA-SC-APC Male Threaded Adapter SC APC

Model: FMA-SC-APC

Manufacturer: Viavi JDSU

In stock: 1

SKU: 5668 6C02

Condition: Used

Price: Sale price £34.00

EXFO FTB-200 V2 with FTB-5240S-P OSA in open foam-lined wheeled carry case with power adapter and stylus

EXFO FTB-200 V2 front panel showing colour touchscreen booting Windows, EXFO Connect keypad and jog dial

EXFO FTB-200 V2 Mainframe + FTB-5240S-P OSA INB (in-band OSNR) & ADV Options

Model: FTB-200 V2 5240S-P

Manufacturer: EXFO

In stock: 1

SKU: 3108 3D04

Condition: Used

Price: Sale price £1,270.75

Santec OTF-930 optical tunable filter front panel with TT Instruments product ID tag 2916

Santec OTF-930 optical tunable filter three-quarter front-left view showing keypad and display

SANTEC OTF-930 Polarisation Independent 80 nm Optical Tunable Filter 1530-1610nm

Model: OTF-930

Manufacturer: SANTEC

In stock: 1

SKU: 2916 6E04

Condition: Used

Price: Sale price £1,015.75

Spirent MX2-10G-S4 4-port 10G/1GbE SFP+ test module — front and PCB view showing dual copper heatsinks

Spirent MX2-10G-S4 test module — angled left side view showing full PCB layout and orange heatsinks

SPIRENT MX2-10G-S4 MX2 4-PORT 10G/1GBE SFP+ Cloud Core Dual-Speed 10G 1G

Model: MX2-10G-S4

Manufacturer: Spirent

In stock: 1

SKU: 2832 4C02

Condition: Used

Price: Sale price £2,545.75

EXFO FTB-880V2 FTB-1 Pro battery and module connector PCB assembly, top side view with TT Instruments product ID label 3069

EXFO FTB-880V2 FTB-1 Pro connector board reverse side showing green PCB with multiple ICs and black RF shield strip

EXFO FTB-1 Pro FTB-880V2 Battery and Module Connector Board

Model: Motherboard

Manufacturer: EXFO

In stock: 10

SKU: 3069 7F03

Condition: Used

Price: Sale price £34.00

Viavi NGC_AD_EF_MM1 multimode fiber adapter kit — two units in boxes with orange reference cables laid out

Viavi NGC_AD_EF_MM1 EF multimode adapter kit — full contents including two adapters and multiple reference cables

Viavi JDSU NGC_AD_EF_MM1 Certifier Multimode Fiber Adapters EF Compliant MM

Model: NGC_AD_EF_MM1

Manufacturer: Viavi JDSU

In stock: 1

SKU: 3003 7C03

Condition: New other (see details)

Price: Sale price £675.75

Viavi NGC_AD_EF_MM1 multimode fiber adapter kit — 2 modules in boxes with OM3 reference patch cords

Viavi MMEF-C637 NGC_AD_EF_MM1 multimode EF adapter front view showing RX TX ports 850nm 1300nm label

Viavi JDSU NGC_AD_EF_MM1 Certifier Multimode Fiber Adapters EF Compl 850 1300 nm

Model: NGC_AD_EF_MM1

Manufacturer: Viavi JDSU

In stock: 1

SKU: 3002 7C03

Condition: New other (see details)

Price: Sale price £675.75

Viavi JDSU 2256/90.03 UPP 1.25mm LC MU power meter adapter in anti-static bag with TT Instruments label

Viavi 2256/90.03 UPP 1.25mm adapter side view showing stainless steel bowl body and central ferrule post

Viavi JDSU UPP Adapter for 1.25mm for Power Meter 2256/90.03 LC MU

Model: 2256/90.03

Manufacturer: Viavi JDSU

In stock: 2

SKU: 2982 6C02

Condition: Used

Price: Sale price £21.25

JDSU OLP-55 optical power meter front view with port cover open, TT Instruments product ID 2983 label visible

JDSU OLP-55 BN 2277/01 specification table showing variants from general purpose to ultra high power

Viavi JDSU OLP-55 Optical Power Meter 2277/01 780nm to 1650nm SC PC/APC SM MM

Model: OLP-55

Manufacturer: Viavi JDSU

In stock: 3

SKU: 2983 6C05

Condition: Used

Price: Sale price £63.75

JDSU OLP-55 optical power meter BN 2277/01 front view, display reading -58.92 dBm at 1310nm, port cap open

JDSU OLP-55 BN 2277/01 specification table showing variants 2277/01 through 2277/04 wavelength and power specs

Viavi JDSU OLP-55 Optical Power Meter 2277/01 780nm to 1650nm PC/APC SM/MM

Model: OLP-55

Manufacturer: Viavi JDSU

In stock: 1

SKU: 2980 6C04

Condition: Used

Price: Sale price £80.75

Viavi JDSU FMAE-SC-DUX SC duplex adapter with original JDSU labelled anti-static bag, top-down view

Viavi JDSU FMAE-SC-DUX SC/PC duplex adapter front face showing dual SC connector ports with spring contacts

Viavi JDSU FMAE-SC-DUX SC SC/PC Duplex Adapter for SmartClass Fiber Series

Model: FMAE-SC

Manufacturer: Viavi JDSU

In stock: 2

SKU: 3693 6C02

Condition: Used

Price: Sale price £34.00

Viavi JDSU OLS-55 SmartClass Optical Laser Source 1310/1550 nm 2279/01 SC

Viavi JDSU OLS-55 SmartClass Optical Laser Source 1310/1550 nm 2279/01 SC

Viavi JDSU OLS-55 SmartClass Optical Laser Source 1310/1550 nm 2279/01 SC

Model: OLS-55

Manufacturer: Viavi JDSU

In stock: 1

SKU: 6304 6E03

Condition: Used

Price: Sale price £127.50

Spirent ACC-6069A 40GBE QSFP+ to CFP Adapter front face showing dual QSFP+ ports and product label

Spirent ACC-6069A rear view showing CFP gold-contact edge connector, barcodes and RoHS compliance label

Spirent ACC-6069A 40GBE QDFP+ to CFP Adapter

Model: ACC-6069A

Manufacturer: Spirent

In stock: 2

SKU: 6275 7E04

Condition: Used

Price: Sale price £127.50

Viavi NGC-4500-COAX 75 Ohm F-Type coaxial adapter pair in anti-static bags inside cardboard box with TT Instruments product ID label 6231

Viavi NGC-4500-COAX coaxial adapter pair — rear view showing Certifier label, multi-pin connector interface, CE marking and WEEE symbol, in pink anti-static bags

Viavi Certifier 75 OHM F-TYPE Interface COAXIAL Adapter Set NGC-4500-COAX PAIR

Model: NGC-4500-COAX

Manufacturer: Viavi JDSU

In stock: 1

SKU: 6231 7G04

Condition: New other (see details)

Price: Sale price £212.50

HP Agilent 83430A Lightwave Transmitter front panel with Keysight calibration sticker and TTInstruments product ID tag

HP 83430A Lightwave Transmitter front panel showing analog/digital inputs, optical output controls and 1309.95 nm wavelength label

Keysight Agilent HP 83430A Lightwave Transmitter Option 130 1309.95nm

Model: 83430A

Manufacturer: Keysight Agilent

In stock: 1

SKU: 2913 6E04

Condition: Used

Price: Sale price £165.75

Viavi JDSU MTS-6000A OSA-110R optical spectrum analyser with Peli carry case and power adapter

Calibrated Viavi JDSU 6000A + OSA-110R 1250-1650 nm 2304/91.04 OSA In-Band OSNR

Model: OSA-110R

Manufacturer: Viavi JDSU

In stock: 1

SKU: 2923 2D04

Condition: Refurbished

Price: Sale price £2,205.75

Spirent N11U SPT-N11U-220 12-slot mainframe chassis front view, 12 numbered module bays, LCD display, USB ports, TT Instruments label

Spirent SPT-N11U-220 chassis licence management screen showing permanent and dated software licences including RFC-2544 and TSN

Spirent N11U-220 12-Slot Chassis Base Model SPT N11U

Model: SPT-N11U

Manufacturer: Spirent

In stock: 1

SKU: 2896 FL01

Condition: Used

Price: Sale price £2,375.75

Viavi NGC_AD_EF_MM1 multimode fiber adapter pair in boxes with 3 OM3 simplex PC-LC 2m patch leads

Viavi NGC_AD_EF_MM1 multimode fiber adapter MMEF-B168 rear view on box showing FC ports and LC adapter cap

Viavi JDSU Certifier Multimode Fiber Adapters NGC_AD_EF_MM1 850 1300 nm

Model: NGC_AD_EF_MM1

Manufacturer: Viavi JDSU

In stock: 1

SKU: 6205 4E03

Condition: New other (see details)

Price: Sale price £675.75

Spirent MX2-10G-S4 4-port 10G/1GbE SFP+ test module front panel and PCB top view with copper heatsinks

Spirent MX2-10G-S4 test module angled left view showing full PCB with dual copper heatsinks and backplane connectors

SPIRENT MX2-10G-S4 MX2 4-PORT 10G/1GBE SFP+

Model: MX2-10G-S4

Manufacturer: Spirent

In stock: 1

SKU: 2836 4C02

Condition: Used

Price: Sale price £2,545.75

Viavi ONX-CATV-MODULE-ISDBT ISDB-T module rear view showing VIAVI label and F-connector port

Viavi ONX-CATV-MODULE-ISDBT rear panel showing module connector interface, VIAVI calibration sticker, and serial number label

Viavi JDSU OneExpert CATV Module ONX-CATV-MODULE-ISDBT ISDB-T Expert

Model: ONX-CATV-MODULE-ISDBT

Manufacturer: Viavi JDSU

In stock: 10

SKU: 6122 7D01

Condition: Used

Price: Sale price £165.75

Viavi OTU-5000 EOTDR2-L-B1-COTU full kit: main unit, E9E-EXTX-24 switch, rack shelf, power adapter, USB-ETH adapter, accessories and box

Viavi OTU-5000 EOTDR2-L-B1-COTU front panel showing numbered ports 1–16, USB, Ethernet, USB-C, power terminals and status LEDs

Viavi JDSU OTU 5000 EOTDR2-L-B1-COTU 2-port 1625nm OTDR + E9E-EXTX-24 Optical Swi

Model: EOTDR2-L-B1-COTU

Manufacturer: Viavi JDSU

In stock: 1

SKU: 2808 2B02

Condition: Used

Price: Sale price £1,495.00

VIAVI FCL-PRO-L CleanBlastPRO benchtop cleaner front view with handset, umbilical, tips, power supply and user guide

VIAVI CleanBlastPRO FCL-PRO-L front panel showing LCD screen, rotary dial, LED indicators and cleaning handset with umbilical

Viavi JDSU FCL-PRO-L CleanBlastPRO Benchtop Large Tank Fiber End-face Cleaning

Model: FCL-PRO-L

Manufacturer: Viavi JDSU

In stock: 1

SKU: 2814 2C04

Condition: Used

Price: Sale price £2,375.75

ISO Certified

We are proud to hold the ISO 9001:2015 certification by a UKAS accredited body.

Sell Your Equipment

Receive best prices for your un-used/surplus equipment. Talk to one of our experts for a hassle-free transaction

Worldwide delivery

We deliver on an express service globally with most packages delivered in less than a week

Customer Satisfaction

We pride ourselves in providing an excellent service from start to finish.

Top Rated Seller

Our feedback says it all! We have shipped to over 100 countries all over the world and our customers couldn't be happier!