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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.

Megger DLRO10HD low resistance ohmmeter, refurbished, 10A DLRO micro-ohmmeter test equipment

Calibrated Megger DLRO10HD 10A Digital Low Resistance Ohmmeter with DH4 Probes

Calibrated Megger DLRO10HD 10A Digital Low Resistance Ohmmeter with DH4 Probes

Model: DLRO10HD

Manufacturer: Megger

In stock: 1

SKU: 8489 5B02

Condition: Refurbished

Price: Sale price £2,205.75

Fujikura 90S+ fusion splicer refurbished unit front view with touchscreen display

Fujikura 90S+ fusion splicer side angle view showing housing and lid

Serviced Fujikura 90S+ Core Alignment Fusion Splicer CT-50 Cleaver 10719 Arc

Model: 90S+

Manufacturer: Fujikura

In stock: 1

SKU: 8493 4B03

Condition: Refurbished

Price: Sale price £2,375.75

Fujikura 90S fusion splicer refurbished fibre optic splicing machine used test equipment

Fujikura 90S fusion splicer front panel view with display screen and controls

Serviced Fujikura 90S Core Alignment Fusion Splicer CT-50 Cleaver 3708 Arc Count

Model: 90S

Manufacturer: Fujikura

In stock: 1

SKU: 8491 5A03

Condition: Refurbished

Price: Sale price £2,375.75

Furness Controls used pressure gauge test measurement instrument front view

Furness Controls pressure gauge angled view used test equipment

Furness Controls FCO560 ±2kPa Pressure Flow Calibrator

Model: FCO560

Manufacturer: Furness

In stock: 1

SKU: 8488 5C03

Condition: Used

Price: Sale price £1,695.75

Narda SRM-3006 used EMF meter selective radiation meter for RF electromagnetic field measurement

Narda SRM-3006 EMF meter front panel display and controls close-up

Narda SRM-3006 Selective Radiation Meter 9 kHz-6 GHz Basic Unit Mainframe only

Model: SRM-3006

Manufacturer: Narda

In stock: 1

SKU: 8486 4C04

Condition: Used

Price: Sale price £1,695.75

Sartorius BCE64I-1S analytical lab balance precision weighing scale laboratory instrument

Sartorius BCE64I-1S lab balance side angle view showing housing and build quality

New Sartorius BCE64I-1S Entris II Analytical Balance 60g 0.1mg 2023

Model: BCE64I-1S

Manufacturer: Sartorius

In stock: 1

SKU: 8487 4D02

Condition: New other (see details)

Price: Sale price £1,270.75

Narda 3501/03 used EMF meter radiation detector for electromagnetic field measurement

Narda 3501/03 EMF meter front panel view showing display and controls

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

Model: 3501/03

Manufacturer: Narda

In stock: 1

SKU: 8484 7C03

Condition: Used

Price: Sale price £760.75

VIAVI C5TEM-R used telecom test measurement equipment front view

VIAVI C5TEM-R telecom tester angled view showing controls and ports

VIAVI C5TEM-R Rubidium Oscillator Timing Expansion Module

Model: C5TEM-R

Manufacturer: Viavi JDSU

In stock: 1

SKU: 8483 7D02

Condition: Used

Price: Sale price £1,525.75

VIAVI OneExpert used signal analyser handheld test measurement instrument

VIAVI OneExpert signal analyser front panel view

VIAVI OneExpert CATV ONX-630 DOCSIS 3.1 Signal Analysis Meter 18 Active Options

Model: OneExpert

Manufacturer: Viavi JDSU

In stock: 1

SKU: 8466 7C03

Condition: Used

Price: Sale price £2,545.75

EXFO FIP-400-P-DUAL used dual fibre optic inspection probe test equipment

EXFO FIP-400-P-DUAL fibre inspection probe side view showing connector ports

EXFO FIP-400-P-DUAL Fiber Inspection Video Probe Scope 200x/400x

Model: FIP-400-P-DUAL

Manufacturer: EXFO

In stock: 6

SKU: 8467 7F02

Condition: Used

Price: Sale price £102.00

EXFO FIP-400-P-DUAL used fibre optic inspection probe dual port connector end-face analyser

EXFO FIP-400-P-DUAL fibre inspection probe side angle view showing probe tip and body

EXFO FIP-400-P-DUAL 200x/400x Fibre Inspection Video Probe Fiberscope

Model: FIP-400-P-DUAL

Manufacturer: EXFO

In stock: 4

SKU: 8468 7G04

Condition: Used

Price: Sale price £85.00

Verathon BladderScan used portable bladder ultrasound scanner medical equipment

Verathon BladderScan handheld ultrasound unit front view

Verathon BladderScan Prime Plus 3D Bladder Scanner 0570-0346 + Probe 0570-0347

Model: Prime Plus

Manufacturer: Verathon

In stock: 1

SKU: 8471 7D04

Condition: Used

Price: Sale price £1,270.75

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 £4,245.75

Bio-Rad GelDoc refurbished gel documentation system for electrophoresis imaging

Bio-Rad GelDoc gel doc system front view showing imaging hood and controls

Bio-Rad GelDoc Go Gel Imaging System Image Lab Touch Software

Model: GelDoc

Manufacturer: Bio-Rad

In stock: 1

SKU: 8478 1A04

Condition: Refurbished

Price: Sale price £5,095.75

EXFO MAX-730C-SM8-EA used single-mode OTDR optical time domain reflectometer fibre testing

EXFO MAX-730C-SM8-EA OTDR front panel view with optical port connectors

EXFO MAX-730C-SM8-EA MaxTester OTDR iOLM 1310/1550/1650nm SM w/ PM VFL SM8 730C

Model: MAX-730C-SM8-EA

Manufacturer: EXFO

In stock: 1

SKU: 8379 4D04

Condition: Used

Price: Sale price £3,395.75

EXFO FTB-2 used optical loss test set OLTS fibre testing equipment

EXFO FTB-2 OLTS front panel view with display and controls

EXFO FTB-2 Pro Mainframe with FTBx-945-SM3-EA OLTS 1310/1550/1625nm Optical Loss

Model: FTB-2

Manufacturer: EXFO

In stock: 1

SKU: 8476 5D04

Condition: Used

Price: Sale price £5,095.75

EXFO MAX-730C-SM8 SM OTDR iOLM MaxTester 1310/1550 & 1650 LIVE with PM + VFL0

EXFO MAX-730C-SM8 SM OTDR iOLM MaxTester 1310/1550 & 1650 LIVE with PM + VFL1

EXFO MAX-730C-SM8 SM OTDR iOLM MaxTester 1310/1550 & 1650 LIVE with PM + VFL

Model: MAX-730C-SM8

Manufacturer: EXFO

In stock: 1

SKU: 8355 4C02

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 £505.75

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 £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 2D04

Condition: Used

Price: Sale price £1,270.75

Two T-TECH CTE-3824UN-VS2 left-hand 3/8-24 UNF carbide hardmetal thread taps side by side, showing engraved markings

2x T-TECH CTE-3824UN-VS2 Left Hand 3/8-24 UNF Thread Tap

Model: CTE-3824UN-VS2

Manufacturer: T-TECH

In stock: 1

SKU: 7086 7G03

Condition: New

Price: Sale price £42.50

Two Sandvik BTL000058-R200 E10M-SCL boring bars in Eurogrind-labelled plastic cases with Torx key visible

Sandvik BTL000058-R200 E10M-SCL carbide boring bar in sealed plastic case, Made in Switzerland label visible

2x Sandvik BTL000058-R200 E10M-SCL Boring Bar

Model: BTL000058-R200

Manufacturer: Sandvik

In stock: 1

SKU: 7085 7G03

Condition: New

Price: Sale price £42.50

Two sealed Sandvik Coromant TNMG 160408-SM 1105 insert packs, each containing 10 carbide inserts

Rear label of Sandvik Coromant T-Max P TNMG 160408-SM 1105 insert pack showing cutting parameters and batch number

2x Sandvik Coromant TNMG 160408-SM 1105 / TNMG 332-SM Inserts

Model: 160408-SM

Manufacturer: Sandvik

In stock: 1

SKU: 7083 7G03

Condition: New

Price: Sale price £42.50

Two sealed Sandvik Coromant R390-11 T3 16E-ML S30T insert packs side by side, yellow labels visible

Single sealed Sandvik Coromant R390-11 T3 16E-ML S30T insert pack showing 10 carbide inserts inside

2x Sandvik Coromant R390-11 T3 16E-ML S30T Inserts

Model: R390-11 T3

Manufacturer: Sandvik

In stock: 1

SKU: 7082 7G03

Condition: New

Price: Sale price £42.50

Two open Kennametal CNGG120408F3F SP0819 Stellram insert packs showing 5 carbide inserts each in yellow plastic trays

Two Kennametal CNGG120408F3F SP0819 Stellram insert pack lids showing product labels, qty 5 each, Made in USA

2x Kennametal CNGG120408F3F Turning Inserts

Model: CNGG120408F3F

Manufacturer: Kennametal

In stock: 1

SKU: 7080 7G03

Condition: New

Price: Sale price £42.50

16x Sandvik Coromant CCMT 060204-UM 1115 carbide insert packs — mixed dark and yellow trays overhead view

Sandvik Coromant CCMT 060204-UM 1115 yellow insert tray showing 7 carbide inserts, front view

16x Sandvik Coromant CCMT 060204-UM 1115 Carbide Inserts

Model: 060204-UM

Manufacturer: Sandvik

In stock: 1

SKU: 7079 7G03

Condition: New

Price: Sale price £297.50

Six sealed Sandvik Coromant R300-0828E-PL 1130 CoroMill 300 insert packs arranged in two rows of three

Front face of single Sandvik Coromant R300-0828E-PL 1130 CoroMill 300 insert pack showing 10 round carbide inserts

6x Sandvik Coromant R300-0828E-PL 1130 CoroMill 300 Inserts

Model: R300-0828E-PL

Manufacturer: Sandvik

In stock: 1

SKU: 7078 7G03

Condition: New

Price: Sale price £80.75

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 7G03

Condition: New

Price: Sale price £165.75

Two Kennametal R005040715 SFZ carbide threading inserts in original protective vials, top-down view

Kennametal R005040715 SFZ VHM Schneideinsätze Ultra threading insert in plastic vial, label close-up

2x Kennametal R005040715 SFZ Carbide Threading Bar

Model: R005040715

Manufacturer: Kennametal

In stock: 1

SKU: 7074 7G04

Condition: New

Price: Sale price £25.50

Two Sandvik Coromant 1B240-0300-XA 1630 CoroMill Dura ball nose end mills in protective tubes, top view

Sandvik Coromant 1B240-0300-XA 1630 CoroMill Dura 3mm carbide ball nose end mill beside storage tube

2x Sandvik Coromant 1B240-0300-XA 1630 CoroMill Carbide Ball Nose End Mill

Model: 1B240-0300-XA

Manufacturer: Sandvik

In stock: 1

SKU: 7071 7G04

Condition: New

Price: Sale price £21.25

Sandvik Coromant 2S340-0600-100-MA 1640 CoroMill Plura end mills — two cutters with yellow/red tubes and grey plastic canisters

2x Sandvik 2S340-0600-100-MA 1640 CoroMill Plura End Mill Carbide 6mm TiAIN

Model: 2S340-0600-100-MA

Manufacturer: Sandvik

In stock: 1

SKU: 7069/7073 7G04

Condition: New

Price: Sale price £42.50

Three Sandvik Coromant CoroMill Plura 1P221-0600-XA 1630 end mills — one in yellow/red case and two in grey storage tubes

Sandvik Coromant 1P221-0600-XA 1630 CoroMill Plura 6mm end mill removed from case showing coated 3-flute cutting tip

3x Sandvik Coromant 1P221-0600-XA 1630 CoroMill Plura 3 Flute Carbide End Mill

Model: 1P221-0600-XA

Manufacturer: Sandvik

In stock: 1

SKU: 7070/7072 7G04

Condition: New

Price: Sale price £34.00

8x ITC SM-0447 6mm 2-flute double-ended countersinks in original plastic storage tubes, top-down view

ITC SM-0447 6mm solid carbide double-ended countersink removed from tube, showing cutting geometry and ITC branding

8x ITC SM-0447 6 mm 2-Flute Double-End Countersink

Model: SM-0447

Manufacturer: ITC

In stock: 1

SKU: 7067 7G04

Condition: New

Price: Sale price £51.00

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 7G04

Condition: New

Price: Sale price £165.75

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: 1

SKU: 7065 7G04

Condition: New

Price: Sale price £212.50

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 £675.75

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 £675.75

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 XXXX

Condition: Used

Price: Sale price £3,395.75

Viavi JDSU P5000i fiber inspection probe with coiled USB cable beside black zip-up Fiber Microscope carry case

JDSU P5000i fiber microscope probe side view showing label, focus wheel, capture button and probe tip port

Viavi JDSU P5000i Fiber End-Face Inspection Scope Probe

Model: P5000i

Manufacturer: Viavi JDSU

In stock: 1

SKU: 8440 7F02

Condition: Used

Price: Sale price £297.50

INNO View 8 Pro fusion splicer kit open in green carry case with V10 Pro cleaver, charger and documentation

INNO View 8 Pro arc fusion splicer front-right angle showing 5-inch touchscreen and splicing bay open

INNO View 8 Pro SM MM Core Alignment Fusion Splicer ARC 8678 + V10 Pro Cleaver

Model: View 8 Pro

Manufacturer: INNO

In stock: 1

SKU: 8439 XXXX

Condition: Used

Price: Sale price £1,695.75

Fujikura FSM-22S fusion splicer kit laid out with CT-50 cleaver, AC adapter and yellow hard carry case open

Fujikura FSM-22S maintenance info screen showing arc count 1780, firmware v01.13, serviced September 2025

Serviced Fujikura 22S SM MM Fiber Fusion Splicer CT-50 Cleaver ARC 1780 FSM 22S

Model: Fujikura 22S

Manufacturer: Fujikura

In stock: 1

SKU: 7886 5B01

Condition: Refurbished

Price: Sale price £803.25

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: 6

SKU: 8339 6D01

Condition: Used

Price: Sale price £420.75

VIAVI FiberChek FIT-FC-KIT3 full kit laid out with carry case, 4 tips, USB cable, power adapter and quick start guides

VIAVI FiberChek FIT-FC-KIT3 probe right-side view showing clear protective hood, probe tip and wrist strap

Viavi JDSU FiberChek Fiber Inspection Scope + 4x Tips FIT-FC-KIT3 REVIEW IMAGES.

Model: FiberChek

Manufacturer: Viavi JDSU

In stock: 1

SKU: 8426 7E04

Condition: Used

Price: Sale price £505.75

VIAVI FiberChek FIT-FC-KIT3 full kit contents: probe, 4 tips, case, charger, strap, quick start guide

VIAVI FiberChek FIT-FC-KIT3 probe right-side view showing purple body, clear barrel, and wrist strap

Viavi JDSU FiberChek Fiber Inspection Scope + 4x Tips FIT-FC-KIT3 REVIEW IMAGES

Model: FiberChek

Manufacturer: Viavi JDSU

In stock: 1

SKU: 8425 7E04

Condition: Used

Price: Sale price £463.25

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

Manufacturer: Intec Argus

In stock: 5

SKU: 8425 5D01

Condition: Used

Price: Sale price £420.75

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