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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.

Viavi FVAm-1000-S benchtop MPO microscope with FMAG-QSFP and FMAG-MPO adapters, power adapter and USB cable

Viavi FVAm-1000-S benchtop microscope stored in custom foam-lined carry case with accessories and EU power adapter

Viavi JDSU FVAm-1000-S Bench-Top MPO Autofocus Microscope with Screen FMAG-MPO A

Model: FVAm-1000-S

Manufacturer: Viavi JDSU

In stock: 1

SKU: 2780 3B04

Condition: Used

Price: Sale price £675.75

Viavi OTU-5000 and E9E-EXTX-36 complete bundle — both modules, rack shelf, brackets, power supplies and accessories laid out

Viavi OTU-5000 ONMSi maintenance screen showing firmware V20.10 and Peak Monitoring licence active

Viavi JDSU E9E-EXTX-36 36-Port External Switch LC-APC with OTU 5000 A1 OTDR

Model: E9E-EXTX-36

Manufacturer: Viavi JDSU

In stock: 1

SKU: 2805 2B03

Condition: Used

Price: Sale price £2,195.00

Viavi E98OSX144 144-port optical switch resting on original VIAVI branded box with foam packaging and accessory bag

Viavi E98OSX144 1RU rackmount 144-port optical switch front panel showing LC/APC ports, address DIP switch and rack ears

Viavi JDSU E98OSX144 High Port Density 144 Port Optical Switch For RFTS Solution

Model: E98OSX144

Manufacturer: Viavi JDSU

In stock: 1

SKU: 2804 2B02

Condition: Used

Price: Sale price £1,495.00

VeriWave WB1000 WaveBlade Management Module — angled top view showing PCB, heatsinks, RAM, and front panel

IXIA VeriWave WB1000 WaveBlade Management Module — reverse angled view showing full PCB and rear backplane connectors

IXIA VeriWave WB1000 WaveBlade Management Module for WT20...

Model: WB1000

Manufacturer: IXIA

In stock: 1

SKU: 2722 4D03

Condition: Used

Price: Sale price £165.75

Ixia VeriWave RF36014 WaveBlade front panel with 4x SMA RF ports A B C D, Port 1 LEDs and IXIA branding

Ixia VeriWave RF36014 WaveBlade angled top view showing front panel SMA ports and PCB assembly

IXIA VeriWave 802.11ac RF36014 IxVeriwave Wi-Fi WaveBlade Module

Model: RF36014

Manufacturer: IXIA

In stock: 1

SKU: 2723 4D03

Condition: Used

Price: Sale price £165.75

Ixia IxVeriWave WBE1604 front panel showing 4 RJ45 ports, LED indicators and serial number 097516

Ixia IxVeriWave WBE1604 rear PCB view showing four port sub-boards with yellow-trimmed heatsinks

IXIA VeriWave Ethernet 802.3 10/100/1000 WBE1604 4-Port IPv6 IxVeriWave WaveBlad

Model: WBE1604

Manufacturer: IXIA

In stock: 1

SKU: 2724 4D03

Condition: Used

Price: Sale price £165.75

EXFO FTB-1 Pro carry bag — left front three-quarter angle showing side D-ring strap attachment and zip

EXFO Carry Bag for FTB-200/150 FTB-1 FTB-1 Pro FTB-1 v2

Model: Carry Bag

Manufacturer: EXFO

In stock: 14

SKU: 2700 3A02

Condition: Used

Price: Sale price £42.50

Sunwoda XW-EX006 Li-ion battery side label showing 14.4V 5200mAh 74.88Wh 4ICR19/65-2 rating and connector pins

Sunwoda XW-EX006 battery connector end showing five-pin multi-contact terminal with light scuff marks on casing

Sunwoda XW-EX006 Battery 4 FTB-1 Pro & FTB-200/150 14.4V 5200mAh 74.88 Wh

Model: XW-EX006

Manufacturer: Sunwoda

In stock: 15

SKU: 2699 7G05

Condition: Used

Price: Sale price £80.75

Teletech TS916 Loop-a-Line retractable oscillator leads (blue, red, white) with 4mm shrouded banana plugs and red/black crocodile clips

Teletech Loopaline Oscillator TS916 Retractable Oscillator Leads and Clips

Model: TS916 leads

Manufacturer: Teletech

In stock: 2

SKU: 6019 6F05

Condition: Used

Price: Sale price £42.50

EXFO FLS-140 Visual Fault Locator full side view showing EXFO branding, laser warning label and blue end cap

EXFO FLS-140 VFL reverse side showing CFR 1040.10 compliance text, CE marking and pocket clip

EXFO FLS-140 Visual Fault Locator w/ 2.5mm Universal Connector

Model: FLS-140

Manufacturer: EXFO

In stock: 13

SKU: 5850 6D02

Condition: Used

Price: Sale price £34.00

Narda 2244/90.20 E-field probe Type 8 full view — yellow foam isotropic sensor head, black rod, Lemo connector

Narda 2244/90.20 E-field probe Type 8 in protective plastic bag with TTInstruments product ID label #5801

Narda 2244/90.20 100kHz to 3GHz E-Field Probe (Type 8) RFI/EMI

Model: 2244/90.20

Manufacturer: Narda

In stock: 1

SKU: 5801 6E03

Condition: Used

Price: Sale price £675.75

Agilent N5440A 450Ω ZIF probe head tips case lid with product label, InfiniiMax III probing system

Agilent N5440A ZIF probe tip kit case rear showing TT Instruments product ID label 5006

Keysight Agilent N5440A ZIF Probe Head Tips

Model: N5440A

Manufacturer: Keysight

In stock: 1

SKU: 5006 6D04

Condition: Used

Price: Sale price £80.75

Viavi FBPT-MU-L MU Bulkhead Long Reach Tip front view showing FBPT MU-L engraving and knurled collar

Viavi FBPT-MU-L MU Bulkhead Long Reach Tip angled view showing slotted probe tip, hex body and locking collar

Viavi FBPT-MU-L MU Bulkhead Tip Long Reach for FBP & FiberChek Probe Microscopes

Model: FBPT-MU-L

Manufacturer: VIavi JDSU

In stock: 5

SKU: 4614 6C02

Condition: Used

Price: Sale price £42.50

Narda 3501/03 Three-Axis Isotropic E-Field Antenna full front view showing yellow spherical head and black handle

Narda 3501/03 antenna handle label showing P/N 3501/03 S/N K-0758 calibration date 2017-11-21 by Wittig

Narda E-Field Isotropic Antenna Three-Axis 27 MHz - 3 GHz Probe RFI/EMI 3501/03

Model: 3501/03

Manufacturer: Narda

In stock: 1

SKU: 5799 7D04

Condition: Used

Price: Sale price £675.75

Keysight Agilent N2884A InfiniiMax Fine Wire Probing Kit front label showing model number and TTInstruments product ID tag

Agilent N2884A InfiniiMax Fine Wire Probing Kit open case showing probe arm and five fine-wire probing tips in foam tray

Keysight Agilent N2884A InfiniiMax Fine Wire Probing Kit Tips

Model: N2884A

Manufacturer: Agilent

In stock: 3

SKU: 5751 6G03

Condition: Used

Price: Sale price £80.75

JDSU Viavi 100GE 10x10G Electrical CFP Interface EL-IF 3061/92.98 — top view with label and TTInstruments product ID tag

JDSU ONT 100GE 10x10G EL-IF BN 3061/92.98 manufacturer accessory datasheet page showing electrical specifications

Viavi JDSU 100GE 10x10G Electrical CFP Interface EL-IF 3061/92.98

Model: 3061/92.98

Manufacturer: Viavi JDSU

In stock: 1

SKU: 5731 6E03

Condition: Used

Price: Sale price £165.75

Intec ARGUS 165 xDSL tester with Copper Box, carry case, power adapter, test leads and Ethernet cable

Intec ARGUS Copper Box V3 accessory showing four colour-coded test terminals a1/T1, b1/R1, a2/T2, b2/R2

Intec Argus 165 VDSL ADSL SHDSL Ethernet RFC 2544 w/ Options SFP TDR + V3 Copper Box

Model: Argus 165

Manufacturer: Intec Argus

In stock: 6

SKU: 5548 5D01

Condition: Used

Price: Sale price £463.25

Anritsu WR137M waveguide calibration kit open case showing 26UM70 load, 23UM70 offset short, 24UM70 offset short, and 35UM70N coaxial adapter in blue foam

Anritsu 26UM70 WR137 precision low power termination side view showing Anritsu label and red flange on grey waveguide body

Anritsu WR137M 5.85 - 8.20 GHz Waveguide Calibration Kit 23/24/26UM70 35UM70N

Model: WR137M

Manufacturer: Anritsu

In stock: 2

SKU: 5708 6D02

Condition: Used

Price: Sale price £293.25

Keysight Agilent N4861B MIPI D-PHY Serial Stimulus Probe front and top view with POD 1–6 and CLK POD connectors visible

Keysight Agilent N4861B close-up of front panel showing power button, USER CLK, S0, and D2p SMA connectors labelled 3.3V Max

Keysight Agilent N4861B MIPI D-PHY 3 Lane Digital Stimulus Probe N4861BR

Model: N4861B

Manufacturer: Agilent

In stock: 1

SKU: 5703 6D04

Condition: Used

Price: Sale price £1,695.75

BEST BST-050-JP multimeter test leads full set — red and black probes, cables, and spare needle tip covers

BEST BST-050-JP test leads in original retail box showing red and black probes, Made in China label

BST-050-JP Ultra Fine Soft Silicone 2000V 20A Multimeter Test Leads Probes

Model: BST-050-JP

Manufacturer: BST

In stock: 41

SKU: 5416 6G04

Condition: New

Price: Sale price £10.00

Fujikura FH-70-250 fiber holder clamp pair, front view showing FH-70-250 label on metal clamping plates

Fujikura FH-70-250 fiber holder clamp pair, rear/bottom view showing magnetic clamp mechanism and fibre channel

Fujikura FH-70-250 Fiber Holder Clamp Set (Pair)

Model: FH-70-250

Manufacturer: Fujikura

In stock: 4

SKU: 0002 5C03

Condition: Used

Price: Sale price £34.00

Fujikura FH-60-900 900µm fiber holder pair S014549 — front angled view showing both units with model labels

Fujikura FH-60-900 fiber holders S014549 — bottom view of both pairs showing V-groove channel and hinge mechanism

Fujikura FH-60-900 900µm Fiber Holders S014549 FOR 12S/70S/60S/22S & FSM-60/18..

Model: FH-60-900

Manufacturer: Fujikura

In stock: 4

SKU: 0003 5C03

Condition: Used

Price: Sale price £34.00

JDSU OTU 8000 optical test unit with E98OS04 optical switch and E8118RLR65 OTDR module — front view

JDSU OTU 8000 rack-mount optical test platform front panel detail

JDSU OTU 8000 w/ E98OS04 1x4 OS w/ E8118RLR65 1650 Filtered OTDR Module

Model: E98OS04

Manufacturer: JDSU

In stock: 1

SKU: 2340 1A04

Condition: Used

Price: Sale price £212.50

VIAVI FBPT-A801-1002P ARINC Type 1 size 15-06 alignment guide in sealed packaging with TTInstruments label

VIAVI FBPT-A801-1002P front face view showing six socket apertures and engraved part number

JDSU VIAVI FBPT-A801-1002P Rlug, ARINC, Type 1, size 15-06, sockets

Model: FBPT-A801-1002P

Manufacturer: Viavi JDSU

In stock: 1

SKU: 5672 6C02

Condition: Used

Price: Sale price £80.75

VIAVI FBPT-A801-1002R ARINC Type 1 size 15-06 receptacle in sealed bag with TTInstruments product label

VIAVI FBPT-A801-1002R front face view showing 7 pin holes and engraved part number on metal body

JDSU VIAVI FBPT-A801-1002R Receptacle, ARINC, Type 1, size 15-06, Pins

Model: FBPT-A801-1002R

Manufacturer: Viavi JDSU

In stock: 1

SKU: 5669 6C02

Condition: Used

Price: Sale price £80.75

Agilent N5322A Extended Interface Module — full top view showing PCB, mezzanine card, front panel connectors

Agilent N5322A front panel close-up showing SMA Ref Clk Input, Extended Interface Module label and status LEDs

Agilent N5322A Extended Interface Module for Active State Power Management Testing

Model: N5322A

Manufacturer: Agilent

In stock: 1

SKU: 5992 SF01

Condition: Used

Price: Sale price £420.75

Spectrum Instruments TM-4M 20350-004 complete kit with JDSU carry case, BNC cables, data cables, GPS antenna, and accessories

Spectrum Instruments TM-4M accessory BNC coaxial cables — black long, grey, white, and black medium with GPS antenna

Spectrum Instruments TM-4M Time & Frequency Reference System 20350-004

Model: TM-4M

Manufacturer: Spectrum Instruments

In stock: 1

SKU: 2647 2B03

Condition: Used

Price: Sale price £420.75

EXFO FTB-85970 CFP-to-CFP2 adapter angled top view showing EXFO label, S/N 841470, and TTInstruments product ID sticker

EXFO FTB-85970 CFP-to-CFP2 adapter side view showing gold edge connector, EXFO label, and TTInstruments product ID sticker

EXFO FTB-85970 CFP-to-CFP2 Adapter

Model: FTB-85970

Manufacturer: EXFO

In stock: 3

SKU: 5089 6G03

Condition: Used

Price: Sale price £212.50

Keysight E7515A UXM Wireless Test Set — Keysight License Manager showing permanent licences 504, 506, C01, D01 and E7630A-2FP-FDD

Keysight Agilent E7515A UXM front panel showing Keysight Control Panel in stand-alone mode with RF Transceiver A and B ports

Keysight Agilent E7515A UXM Wireless Test Set w/ 504 506 C01 D01 300 MHz - 6 GHz

Model: E7515A

Manufacturer: Agilent

In stock: 1

SKU: 5358 2D03

Condition: Used

Price: Sale price £2,375.75

Fujikura FH-70-900 fiber holder clamp pair — front view showing FH-70-900 label on both left and right holders

Fujikura FH-70-900 fiber holder clamp pair — underside view showing magnetic clamping base and fibre channel groove

NEW Fujikura FH-70-900 Fiber Holder Clamp Set (Pair) 900um FH-70 series

Model: FH-70-900

Manufacturer: Fujikura

In stock: 3

SKU: 5979 6C02

Condition: New other (see details)

Price: Sale price £42.50

Agilent Keysight 34153A PT100 RTD 4-Wire sensor elements in open box with TTInstruments product label

Keysight 34153A PT100 RTD sensor elements in anti-static ESD tray with pink foam — top view

Agilent Keysight 34153A PT-100/RTD 4-Wire Class Sensor Elements

Model: 34153A

Manufacturer: Agilent

In stock: 2

SKU: 4625 6C03

Condition: Used

Price: Sale price £42.50

Viavi Trilithic CT-4 Digital Leakage Channel Tagger full unit top view with TT Instruments product ID label

Viavi CT-4 Digital Leakage Channel Tagger Trilithic TRI-LKG-CT4 120 - 240 VAC PS

Model: TRI-LKG-CT4

Manufacturer: Viavi JDSU

In stock: 1

SKU: 5890 6F01

Condition: Used

Price: Sale price £165.75

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