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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.

Chauvin Arnoux A 193B AC current probe front view showing ON/OL LEDs, 1mV/A switch, 2000A/2V label and cable

Chauvin Arnoux A 193B rear label showing safety warnings, 9V battery type, CE mark and Made in France

Chauvin Arnoux A 193B AC Current Probe 2000A-/2V-

Model: A 193B

Manufacturer: Chauvin Arnoux

In stock: 1

SKU: 7985 6C03

Condition: Used

Price: Sale price £80.75

LC PC OTDR adapter connector for Anritsu Viavi JDSU — front-on view showing blue LC port and stainless steel body

LC PC OTDR adapter connector for Anritsu Viavi JDSU — side view showing stainless steel locking clip mechanism at angle

Fiber Optic OTDR LC Adapter Connector for Anritsu JDSU Viavi Ports

Model: LC

Manufacturer: Viavi JDSU

In stock: 1

SKU: 8004 6C02

Condition: Used

Price: Sale price £80.75

Viavi OTU 8000E v2 chassis front view showing LC/APC ports, USB, Ethernet, BCK/LOC, OSX connectors and unused slot

Viavi OTU 8000E v2 chassis angled front-left view showing LC/APC optical ports, ventilation grille and control panel

Viavi JDSU OTU 8000E v2 Chassis with OTAU 1x8 Optical Switch MFD 2020

Model: OTU 8000E V2

Manufacturer: Viavi JDSU

In stock: 1

SKU: 7950 3C03

Condition: Used

Price: Sale price £675.75

JDSU OLT-55 optical loss test set front view with port cover open, Loss Test screen visible, alongside black soft carry case and shoulder strap

JDSU OLT-55 SmartClass optical loss test set front-on view, port cover open, backlit LCD display visible, all keypad buttons shown

Viavi JDSU OLT-55 Optical Loss Test Set 1310/1550 nm

Model: OLT-55

Manufacturer: Viavi JDSU

In stock: 1

SKU: 7942 4E03

Condition: Used

Price: Sale price £127.50

Viavi G700050357 Omni Antenna 2300-2700 MHz Type N male, side view showing label with S/N 50357-15-55

Viavi G700050357 RF Omni Antenna close-up of Type N male connector end showing centre pin and knurled body

Viavi Omni Antenna 2300 - 2700 MHz G700050357 RF Type N (m)

Model: G700050357

Manufacturer: Viavi JDSU

In stock: 1

SKU: 7939 6G03

Condition: Used

Price: Sale price £25.50

VIAVI E98LGX1BP162SA LGX Box 1625nm bypass SC/APC with original retail box, front panel showing Com A, Data A, filtered, Com B, Data B SC/APC ports

VIAVI E98LGX1BP162SA LGX Box rear/side view showing product label with PN E98LGX1BP162SA, CPN MWDMG16150JDS19G, SN D5928584, RoHS compliant badge

VIAVI E98LGX1BP162SA LGX BOX WITH ONE 1625 nm BYPASS (SC/APC)

Model: E98LGX1BP162SA

Manufacturer: Viavi JDSU

In stock: 2

SKU: 7994 6E03

Condition: Used

Price: Sale price £85.00

VIAVI E98LGX2F162SA LGX Box Two 1625nm SC/APC Filters with original cardboard box, front panel showing Com A, Data A, Com B, Data B SC/APC ports

VIAVI E98LGX2F162SA rear label showing PN E98LGX2F162SA, Component PN MWDMG15160JDS10G, SN D4310726, RoHS compliant, four SC/APC ports visible

VIAVI E98LGX2F162SA LGX BOX WITH TWO 1625 nm filters (SC/APC)

Model: E98LGX2F162SA

Manufacturer: Viavi JDSU

In stock: 2

SKU: 7993 XXXX

Condition: Used

Price: Sale price £106.25

Analytik Jena CyBio Selma OL7001-26-213 96/250ul Pipetting Station 2018

Model: OL7001-26-213

Manufacturer: Analytik Jena AG

In stock: 1

SKU: 7973 4C04

Condition: Used

Price: Sale price £3,055.75

Teledyne ISCO CombiFlash NextGen 300+ UV chromatography system front-right view, touchscreen loading, solvent tubing

Teledyne ISCO CombiFlash NextGen 300+ left-side and rear view showing internal pump components and solvent tubing

Serviced Teledyne ISCO CombiFlash NEXTGEN 300+UV Chromatography System

Model: CombiFlash NEXTGEN 300+

Manufacturer: Teledyne ISCO

In stock: 2

SKU: 7975 FL01

Condition: Used

Price: Sale price £8,495.75

Keysight 85130C adapter kit open wooden presentation case showing two gold NMD 3.5mm Type-N adapters in foam

Keysight 85130C kit contents label showing part numbers 85054-60029, 85054-60030 and spanner wrench 08513-20014

Keysight Agilent 85130C 3.5 mm Test Port - Type N (m&f) Adapter Kit

Model: 85130C

Manufacturer: Agilent

In stock: 1

SKU: 7948 4E03

Condition: Used

Price: Sale price £675.75

EXFO FTB-1 with FTB-860 Ethernet tester, carry case, two SFP modules and AC power adapter

EXFO FTB-1 Mainframe with FTB-860 Ethernet Tester 1G RFC 2544 Ether SAM

Model: FTB-1 FTB-860

Manufacturer: EXFO

In stock: 1

SKU: 7922 3D04

Condition: Used

Price: Sale price £633.25

JDSU 8126 MR OTDR module rear/side view showing product label, S/N 12977, void-if-removed seals

JDSU Viavi 8126 MR OTDR module side panel view showing aluminium chassis and thumbscrew retention

Viavi JDSU 8126 MR OTDR Module 1310/1550 nm E8126MR Medium Range for MTS 6000

Model: E8126MR

Manufacturer: Viavi JDSU

In stock: 1

SKU: 7903 CB02

Condition: Used

Price: Sale price £335.75

Rohde & Schwarz CMW290 functional radio communication tester front panel view showing TFT display, keypad, and RF connectors

Rohde & Schwarz CMW290 1201.0002K29 three-quarter left view showing top ventilation, calibration sticker, and front panel controls

Rohde & Schwarz CMW290 Radio Communication Tester 1201.0002K29 RF Test Signal +

Model: CMW290

Manufacturer: Rohde & Schwarz

In stock: 1

SKU: 7894 2D04

Condition: Used

Price: Sale price £8,495.75

Flann Microwave 16093-NF10 WG16 waveguide to N-type adaptor, angled view with protective cap and mounting bolts

Flann Microwave 16093-NF10 front view showing Type N female coaxial connector with gold centre pin and UBR100 flange

Flann Microwave 16093-NF10

Model: 16093-NF10

Manufacturer: Flann

In stock: 2

SKU: 7910 XXXX

Condition: Used

Price: Sale price £42.50

VIAVI G700050608 Band Pass Filter 880–915 MHz with original brown cardboard box, front view

VIAVI G700050608 Band Pass Filter angled view showing N-male output connector and purple label

VIAVI G700050608 Band Pass Filter 880 MHz to 915 MHz

Model: G700050608

Manufacturer: Viavi JDSU

In stock: 4

SKU: 7908 XXXX

Condition: New other (see details)

Price: Sale price £165.75

VIAVI G700050607 Band Pass Filter 832–862 MHz shown with original retail box, label visible with part number and serial number

VIAVI G700050607 Band Pass Filter rear view showing N-type female output connector and VIAVI label with serial number barcode

VIAVI G700050607 Band Pass Filter 832 MHz to 862 MHz

Model: G700050607

Manufacturer: Viavi JDSU

In stock: 2

SKU: 7907 XXXX

Condition: New other (see details)

Price: Sale price £165.75

VIAVI G700050611 Band Pass Filter 2500–2570 MHz front view with purple label and original cardboard box

VIAVI G700050611 Band Pass Filter N-female input connector end, angled side view showing housing screws

VIAVI G700050611 Band Pass Filter 2500 MHz to 2570 MHz

Model: G700050611

Manufacturer: Viavi JDSU

In stock: 2

SKU: 7906 XXXX

Condition: New other (see details)

Price: Sale price £165.75

VIAVI G700050609 Band Pass Filter 1710–1785 MHz with original VIAVI cardboard box, front label visible

VIAVI G700050609 Band Pass Filter angled view showing N-male output connector and purple label detail

VIAVI G700050609 Band Pass Filter 1710 MHz to 1785 MHz

Model: G700050609

Manufacturer: Viavi JDSU

In stock: 2

SKU: 7905 XXXX

Condition: New other (see details)

Price: Sale price £165.75

Viavi CFP2 Electrical Adapter 3076/92.90 top view showing product label, CE mark, QR code, and RX lane markings

Viavi CFP2 Electrical Adapter 3076/92.90 reverse side showing dual gold-pin electrical connectors on green PCB and two rubber port covers

Viavi CFP2-Electrical Adapter 3076/92.90 CFP2 4x25G Electrical Adapter

Model: 3076/92.90

Manufacturer: Viavi JDSU

In stock: 1

SKU: 7902 XXXX

Condition: Used

Price: Sale price £335.75

Rohde & Schwarz NRQ6 frequency selective power sensor front-right angle showing N-type RF connector and LAN PoE+ label

R&S NRQ6 power sensor rear-right view showing LAN PoE+ port, Host Interface, Trigger 2 I/O, Reference I/O connectors and MAC address label

Rohde & Schwarz NRQ6 Freq. Selective Power Sensor 50MHz - 6GHz -130dBm to +20dBm

Model: NRQ6

Manufacturer: Rohde & Schwarz

In stock: 1

SKU: 7837 6F03

Condition: Used

Price: Sale price £7,645.75

Viavi mEDFA-C11LB-M100-MFA L-band EDFA amplifier module in open cardboard box with pink anti-static foam packaging

Viavi mEDFA-C1 L-band amplifier front panel showing IN/OUT FC/APC ports, L Band laser label, APC and SMF/9um indicators, with MAP-200 USB Key

Viavi JDSU mEDFA-C1 L-band Amplifier SM APC mEDFA-C11LB-M100-MFA 1565-1610 nm

Model: mEDFA

Manufacturer: Viavi JDSU

In stock: 1

SKU: 7866 5C02

Condition: Used

Price: Sale price £2,035.75

Viavi G700050370 RF horn antenna kit with carry case, tripod handle, GPS antenna, cable and adapter — overhead view

Viavi G700050370 horn antenna kit contents laid out: VIAVI hard case, PE9850/2F-20 horn, armoured 40GHz cable, GPS puck and tripod handle

Viavi JDSU G700050370 RF Directional Horn Antenna kit K-f 26.5 to 40 GHz 15dBi

Model: G700050370

Manufacturer: Viavi JDSU

In stock: 1

SKU: 7892 5D04

Condition: Used

Price: Sale price £1,270.75

VIAVI MOPM-C1RH1 Single Channel Power Meter + mOPM-C1 Remote Head (MOPM-C1RHPCT)

VIAVI MOPM-C1RH1 Single Channel Power Meter + mOPM-C1 Remote Head (MOPM-C1RHPCT)

VIAVI MOPM-C1RH1 Single Channel Power Meter + mOPM-C1 Remote Head (MOPM-C1RHPCT)

Model: mOPM-C1RH1

Manufacturer: Viavi JDSU

In stock: 1

SKU: 7859 6G01

Condition: Used

Price: Sale price £1,270.75

VIAVI mOPM-C1RHIS remote head in original cardboard box with pink anti-static foam and interconnect cable

VIAVI mOPM-C1RHIS remote head with five fibre adapter caps, MPO bracket, and coiled interconnect cable

VIAVI mOPM-C1RHIS Remote Head with Multiple Adapters Integrated Premium Performa

Model: mOPM-C1RHIS

Manufacturer: Viavi JDSU

In stock: 1

SKU: 7871 5C02

Condition: Used

Price: Sale price £845.75

Netgear ProSAFE XS708Ev2 switch open-box contents in Netgear Business retail box with power cords and accessories

Netgear XS708E-200NES ProSAFE switch bottom label view in anti-static bag showing model and regulatory markings

Netgear 8 Port Pro Safe 10G Plus Sswitch XS708E-200NES XS708E ProSafe SX708Ev2

Model: XS708E

Manufacturer: Netgear

In stock: 1

SKU: 7875 5C02

Condition: New other (see details)

Price: Sale price £675.75

Keysight Agilent 11904S 2.4mm K adapter set open wooden case showing 4 adapters, torque wrench, spanner and calibration floppy disk

Agilent 8710-1582 torque wrench 0.57 Nm 5 lb-in in gold with 4x 2.4mm to 2.92mm K adapters and open-end spanner laid out

Keysight Agilent 11904S 2.4 mm K Adapter Set DC-40 GHz .. Opt 201

Model: 11904S

Manufacturer: Keysight Agilent

In stock: 1

SKU: 7898 6F04

Condition: Used

Price: Sale price £930.75

Chauvin Arnoux F203 TRMS clamp meter complete kit with carry case, test leads, thermocouple kit and manual

Chauvin Arnoux F203 AC/DC TRMS clamp meter front view showing LCD display, rotary selector and red jaw

Chauvin Arnoux F203 TRMS AC/DC Clamp Meter with Leads...

Model: F203

Manufacturer: Chauvin Arnoux

In stock: 1

SKU: 7900 6F04

Condition: Used

Price: Sale price £106.25

Keysight Agilent 85133-60016 2.4mm flexible test port cable in open Plasticase carry case

Agilent 85133-60016 2.4mm flexible test port cable label showing part number and cable type

Keysight AGILENT 85133-60016 2.4 mm (f) FLEXIBLE TEST PORT CABLE

Model: 85133-60016

Manufacturer: Agilent

In stock: 1

SKU: 7899 6F04

Condition: Used

Price: Sale price £293.25

Viavi JDSU FIT-S205-PRO kit showing HP2-60-P4 display, FBP-P5 probe, VFL, 4 tips case, charger and carry bag

JDSU HP2-60-P4 optical power meter specifications sheet showing HP2-60-P4 display range -65 to +10 dBm

Viavi FIT-S205-PRO HP2-60-P4 Fiber Scope with 4x Tips and Power Meter + VFL

Model: FIT-S205-PRO

Manufacturer: Viavi JDSU

In stock: 1

SKU: 7897 6E02

Condition: Used

Price: Sale price £293.25

JDSU Viavi FIT-S205-PRO HP2-60-P4 full kit laid out with carry bags, FBP-P5 probe, VFL, tips case and manual

HP2-60-P4 Power Meter specifications chart showing display range, wavelengths, linearity and detector type

Viavi FIT-S205-PRO HP2-60-P4 Fiber Scope with Tips and Power Meter + VFL

Model: FIT-S205-PRO

Manufacturer: Viavi JDSU

In stock: 1

SKU: 7896 6E02

Condition: Used

Price: Sale price £293.25

JDSU Viavi mOPM-B1RH1 Power Meter cassette, front panel angled view showing multi-pin remote head connector and label

JDSU Viavi mOPM-B1RH1 rear connector end showing dual backplane connectors and ventilation slots

Viavi JDSU mOPM-B1RH1 Power Meter mOPM-B1 Single Channel Remote Interface Casset

Model: mOPM-B1RH1

Manufacturer: Viavi JDSU

In stock: 1

SKU: 7852 7F01

Condition: Used

Price: Sale price £675.75

Viavi ONX-630 OneExpert CATV meter in soft carry case with quick start guide and AC power adapter

Viavi ONX-630 OneExpert CATV DOCSIS 3.1 meter front view showing colour touchscreen and keypad

Viavi ONX-630 DSAM Meter DOCSIS 3.1 Forward Reverse Sweep 65/200 MHz 1.2/1.2 GHz

Model: ONX-CATV-D31-S-6520-1212

Manufacturer: Viavi JDSU

In stock: 2

SKU: 7888 4C03

Condition: Used

Price: Sale price £2,545.75

JDSU Viavi Xgig 1000 PCIe Gen3 front panel showing Port A, Port B CXP connectors, lane LEDs, GbE, USB 3.0 ports

JDSU Xgig 1000 web interface address configuration screen showing hostname xgig1k21006745 and DHCP settings

Viavi JDSU Xgig1K-PCIE3-X8 Xgig 1000 PCIe Gen3 Test Platform

Model: Xgig1K

Manufacturer: Viavi JDSU

In stock: 1

SKU: 4083 2B02

Condition: Used

Price: Sale price £5,095.75

Rohde & Schwarz ZV-Z1227 Pulsar PS2-50-450/8S 2-way Wilkinson power divider front face with yellow SMA caps

Rohde & Schwarz ZV-Z1227 rear view showing two SMA female output ports with gold-pin contacts uncapped

Rohde & Schwarz ZV-Z1227 (1307.0886.02) 4 - 27 GHz 2-way Wilkinson Power Divider

Model: ZV-Z1227

Manufacturer: Rohde & Schwarz

In stock: 1

SKU: 7833 6F03

Condition: New other (see details)

Price: Sale price £335.75

Viavi mOPM-C1RH2 dual-channel optical power meter module angled front view showing two remote head ports and VIAVI label

Viavi mOPM-C1RH2 Power Meter module rear three-quarter view showing silver chassis and Power Meter mOPM-C1 label on faceplate

Viavi JDSU mOPM-C1RH2 Power Meter mOPM-C1 Dual Channel Remote Interface Cassette

Model: mOPM-C1RH2

Manufacturer: Viavi JDSU

In stock: 1

SKU: 7851 7F01

Condition: Used

Price: Sale price £845.75

Agilent Keysight 87421A Power Supply front-angle view with included 2-metre DC bias interface cable

Agilent Keysight 87421A Power Supply front face showing model label, IEC inlet and D-Sub output connector

Agilent Keysight 87421A Power Supply, +12V, -12V, 200mA, 25W

Model: 87421A

Manufacturer: Agilent

In stock: 1

SKU: 7848 7C02

Condition: Used

Price: Sale price £335.75

VIAVI JD734B Peak Power Sensor complete kit with USB cable, software CD, calibration certificate and original box

VIAVI JD734B Peak Power Sensor front face showing model label, 20-3800 MHz range and Type-N male connector

VIAVI JD734B Peak Power Sensor 20-3800 MHz -20 - +20 dBm

Model: JD734B

Manufacturer: Viavi JDSU

In stock: 1

SKU: 7856 6G01

Condition: Used

Price: Sale price £191.25

VIAVI JD733A directional power sensor complete kit with USB cable, software CD, original box and VIAVI calibration certificate

VIAVI JD733A directional power sensor front panel showing model label, 0.1–50W power range, serial number barcode and EAC marking

VIAVI JD733A Average / Peak Power Sensor 150-3500 MHz +20 - +47 dBm 0.1-50W

Model: JD733A

Manufacturer: Viavi JDSU

In stock: 1

SKU: 7855 6G01

Condition: Used

Price: Sale price £233.75

VIAVI JD736B power sensor complete kit with USB cable, software CD, calibration certificate and original box

VIAVI JD736B Average/Peak Power Sensor 20–3800 MHz front face label showing model and ESD warning

VIAVI JD736B Average / Peak Power Sensor 20-3800 MHz -30 - +20 dBm

Model: JD736B

Manufacturer: Viavi JDSU

In stock: 1

SKU: 7857 6G01

Condition: Used

Price: Sale price £191.25

VIAVI JD732B Average Power Sensor with VIAVI calibration certificate, USB cable and original retail box

VIAVI JD732B Average Power Sensor front panel showing model label, 20–3800 MHz range and Type-N connector

VIAVI JD732B Average Power Sensor 20-3800 MHz

Model: JD732B

Manufacturer: Viavi JDSU

In stock: 1

SKU: 7854 6G01

Condition: Used

Price: Sale price £191.25

VIAVI JDSU XGIG1K-PCIE3-X8-AI PCIe Gen3 CEM Interposer card with two CXP cable sets, top angled view

VIAVI JDSU XGIG1KPCIE3X8AI 8lane Gen3 PCIe CEM Interposer Card.

Model: XGIG1K

Manufacturer: Viavi JDSU

Network Testers

In stock: 1

SKU: 7876 XXXX

Condition: Used

Price: Sale price £505.75

Agilent 8498A 30dB high-power attenuator front-angle view showing serial label and Type-N connectors

Agilent 8498A 30dB attenuator side view showing HP label, caution warning and Type-N connectors

AGILENT 08498 30 dB AGILENT ATTENUATOR ASSEMBLY

Model: 08498

Manufacturer: Keysight

In stock: 1

SKU: 7862 4E05

Condition: Used

Price: Sale price £212.50

VIAVI OLP-87P PON Power Meter 2306/66 with carry bag, mains adapter and stylus on white background

VIAVI OLP-87P selective PON power meter specifications comparison chart highlighting 2306/66 variant

Viavi JDSU OLP-87P Selective PON Power Meter 2306/66 1270/1310/1490/1550/1578 nm

Model: OLP-87P

Manufacturer: Viavi JDSU

In stock: 1

SKU: 7878 7F02

Condition: Used

Price: Sale price £845.75

GW Instek GPR-1810HD DC power supply front view showing dual LED displays, CV/CC indicators and coarse/fine knobs

GW Instek GPR-1810HD in original box with model label showing serial number GER885598 and 220V configuration

GW Instek GPR-1810HD DC Power Supply

Model: GPR-1810HD

Manufacturer: GW Instek

In stock: 1

SKU: 7874 5C02

Condition: New other (see details)

Price: Sale price £148.75

GW Instek GDM-8261A 6½-digit dual measurement multimeter front panel view showing VFD dual display and input terminals

GW Instek GDM-8261A original cardboard box showing model label, USB RS232 interface markings and 220V rating sticker

GW Instek GDM-8261A 6 ½ DUAL MEASUREMENT Multimeter

Model: GDM-8261A

Manufacturer: GW Instek

In stock: 1

SKU: 7873 5C02

Condition: New other (see details)

Price: Sale price £590.75

AtlanTecRF BOX-010200 portable amplifier S/N 13836 side view with UK mains battery charger attached

AtlanTecRF BOX-010200 1–20GHz portable amplifier front three-quarter view showing label and Type N output

AtlanTecRF BOX-010200 Battery Powered Portable Amplifier 1.0 - 20.0GHz

Model: BOX-010200

Manufacturer: AtlanTecRF

In stock: 1

SKU: 7850 7F01

Condition: Used

Price: Sale price £165.75

Anritsu MA9714B Optical Power Sensor with interface cable coiled alongside, yellow warning label visible

Anritsu MA9714B rear face showing multi-pin circular connector port and two fixing screws

Anritsu MA9714B Optical Power Sensor 0.75-1.8um + Interface Cable

Model: MA9714B

Manufacturer: Anritsu

In stock: 1

SKU: 7849 7F01

Condition: Used

Price: Sale price £335.75

T Plus TPD50-GSSG-800-N1055 probe head in closed transparent plastic storage case, T Plus Co. Ltd. branding visible on lid

T Plus TPD50-GSSG-800-N1055 probe head in open transparent case, front-facing view showing GSSG probe tip and SMA connectors

T Plus TPD50GSSG800N1055 Probe Head for Keysight N1055A

Model: TPD50-GSSG-800-N1055

Manufacturer: T Plus

In stock: 1

SKU: 7845 4E02

Condition: Used

Price: Sale price £420.75

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