Tekmark offers the Keysight FieldFox range of handheld analyzers, from handheld spectrum analyzers and handheld VNAs to combination analyzers, alongside portable DMMs, oscilloscopes, and LCR meters for field service, maintenance, and on-site troubleshooting.


Whether your team needs a Keysight FieldFox handheld spectrum analyzer for RF site surveys or handheld DMMs for electrical maintenance, we cover a comprehensive portable range.
As an authorized Keysight distributor and handheld analyzer supplier in Malaysia, Singapore, and the Philippines, we provide genuine instruments with local support.

Key Uses & Functions of Handheld Test Tools

Field Electrical Measurement

Measure voltage, current, resistance, and continuity in the field with CAT III / CAT IV-rated handheld DMMs designed for safe use in industrial and power distribution environments.

On-Site Signal Troubleshooting

Capture and analyze voltage waveforms on-site using battery-powered handheld oscilloscopes when benchtop instruments are not available or practical.

RF Site Survey and Interference Hunting

Locate RF interference, measure signal strength, and verify antenna performance at cell tower sites, broadcast facilities, and wireless installations using handheld spectrum analyzers.

Cable and Antenna Testing

Measure cable loss, distance-to-fault (DTF), return loss, and VSWR of antenna systems using FieldFox combination analyzers without returning to the lab.

Network Analysis in the Field

Perform S-parameter measurements on RF components and cables using handheld VNAs (FieldFox) for on-site verification and maintenance of RF infrastructure.

Passive Component Measurement

Measure inductance, capacitance, and resistance of passive components at test frequencies up to 100 kHz using handheld LCR meters for incoming inspection and maintenance.

Types of Handheld Test Tools by Keysight

Explore the most common Keysight handheld test tools available on Tekmark.

keysight handheld DMM

Handheld Digital Multimeters

Rugged, battery-powered DMMs for field electrical measurement. Keysight handheld DMMs are CAT III / CAT IV rated with IP 67 protection (U1240 Series) for safe, reliable measurement in harsh environments. Covered in detail on the Digital Multimeters page.

 

Available series: U1230, U1240, U1250, U1270, U1280.

keysight handheld oscilloscopes

Handheld Oscilloscopes

Portable, battery-powered oscilloscopes for on-site waveform capture and troubleshooting. Covered in detail on the Oscilloscopes page.

 

Available models: U1610A (100 MHz) and U1620A (200 MHz).

fieldfox-handheld-analyzers-keysight

FieldFox Handheld Analyzers

Multi-function portable analyzers combining spectrum analysis, cable/antenna testing, vector network analysis, and power measurement in a single MIL-PRF-28800F-rated instrument. FieldFox is Keysight’s flagship handheld RF platform for field service engineers, telecom technicians, and defense RF specialists. Configured as a FieldFox spectrum analyzer or a handheld VNA, it brings RF spectrum and network analysis to the job site.

 

Available models: combination analyzers N9912C to N9918B (up to 26.5 GHz) and N9950A to N9953B (millimeter-wave, from 32 GHz); spectrum analyzers N9933B to N9938B (up to 26.5 GHz) and N9960A to N9963B (up to 54 GHz); network analyzers N9923A to N9928A (up to 26.5 GHz) and N9952A (50 GHz).

keysight Handheld LCR Meters

Handheld LCR Meters

Portable inductance, capacitance, and resistance meters for component-level measurement in the field or on the production floor. As a handheld LCR meter distributor, Tekmark offers the U1730C Series, covered in detail on the LCR Meters & Impedance Analyzers page.


Available models: U1731C, U1732C, and U1733C handheld LCR meters, plus the U1701B handheld capacitance meter.

Browse Keysight Handheld Test Tools on Tekmark’s E-Shop

Why Buy Keysight Handheld Tools from Tekmark

Genuine Instruments with Full Warranty

Every handheld instrument ships with Keysight manufacturer warranty, traceable calibration documentation, and all standard accessories including batteries, cases, and test leads.

Local Support for Field Teams

Tekmark’s engineers in Malaysia, Singapore, and the Philippines support instrument selection, FieldFox option configuration, and after-sale technical guidance for your field service operations.

Full Handheld Portfolio, One Distributor

DMMs, oscilloscopes, spectrum analyzers, combination analyzers, network analyzers, and LCR meters. Equip your entire field team from a single authorized source.

Fleet Procurement and Standardization

Field teams often need multiple units of the same handheld model. Tekmark supports multi-unit procurement, phased deployment, and fleet standardization to simplify training and calibration management.

Frequently Asked Questions (FAQs)

Tekmark is an authorized Keysight Technologies distributor in Malaysia, Singapore, and the Philippines, offering Keysight handheld instruments including DMMs, oscilloscopes, FieldFox analyzers, and LCR meters. Find Tekmark on Keysight’s official Partner Finder.

Tekmark offers FieldFox combination analyzers (N991x up to 26.5 GHz and N995x millimeter-wave models), spectrum analyzers (N993x up to 26.5 GHz and N996x up to 54 GHz), and network analyzers (N992x up to 26.5 GHz and the 50 GHz N9952A). FieldFox models are available as cable/antenna analyzers, spectrum analyzers, combination analyzers, or VNAs depending on option configuration. Browse all on the Tekmark e-shop.

Selection depends on your frequency range and required measurements. Models up to about 9 GHz cover cellular, VHF/UHF, and public safety bands; 14 to 26.5 GHz models add microwave and satellite links; the 32 to 54 GHz millimeter-wave models (N995x and N996x) handle 5G mmWave work. Each model can be upgraded with additional measurement modes through licensed options. Tekmark can recommend the right model and option set for your budget.

Submit a request through Tekmark’s contact form or add instruments to your quote cart on the e-shop. For FieldFox, include the frequency range, required measurement modes, and quantity. For DMMs and oscilloscopes, include the model and unit count.

Every Keysight handheld instrument from Tekmark includes full manufacturer warranty covering the instrument, battery, and standard accessories. Handheld instruments face more physical stress than bench equipment, making authorized warranty coverage especially important.

Tekmark supports fleet purchases for organizations equipping multiple technicians with the same handheld model. 

For field electrical maintenance teams standardizing on a handheld digital multimeter or handheld multimeter, we can quote multi-unit packages across the U1230, U1240, U1250, U1270, and U1280 Series. Standardizing on a single FieldFox or DMM series simplifies training, ensures consistent procedures, and streamlines calibration scheduling.

FieldFox analyzers require configuration decisions at purchase: base model, frequency range, and measurement mode options. Tekmark’s engineers evaluate your field testing needs and recommend the right configuration, preventing overspend on unused options or underspecification that limits your field capability.

Equip Your Field Team with the Right Keysight Handheld Instruments

Whether you need a single FieldFox for RF site work or a fleet of handheld test tools and DMMs for your maintenance team, Tekmark's engineers will help you select and configure the right Keysight portable instruments.
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