What Js Denki Pte. Ltd. does

JS Denki Pte. Ltd. is a Singapore-based specialist distributor and systems integrator of Electromagnetic Compatibility (EMC) test and measurement equipment, in continuous operation since 2002. The company functions as a multi-brand platform, holding authorized distribution rights for 15+ international EMC equipment manufacturers including ETS-Lindgren (RF shielded rooms, anechoic chambers), Toyo (EMI/immunity software), EMC Partner (transient, military, avionics, high-voltage testing), Narda-PMM (receivers, LISNs, RF probes), Vectawave and Bonn Elektronik (RF power amplifiers), AE Techron (DSR dropout/surge/ripple simulators and waveform generators), LUMILOOP (laser-powered E-field probes and RF power meters), Wavecontrol (EMF exposure assessment), Langer (PCB/IC EMC), Lioncel EMC, Bolab (EV test systems), Pacific Power Source, Schwarzbeck, and Com-Power. Its portfolio covers the full EMC testing stack: RF shielded enclosures, semi- and fully-anechoic chambers (3m/5m/10m, CISPR 25, MIL-STD-461, compact, full-vehicle), EMI measurement receivers and software, radiated and conducted immunity systems, ESD/EFT/Surge transient simulators, RF power amplifiers, programmable power sources, and field probes, with documented test-automation integrations to Rohde & Schwarz, Ametek, ETS-Lindgren TILE!, Teseq, Frankonia, Raditeq, Toyo and others.

JS Denki's go-to-market is a B2B enterprise sales model with consultation-led configuration of capital equipment, selling primarily to industrial/manufacturing testing laboratories and to OEMs and tier-1 suppliers in automotive (including EV), military/defense, avionics/aerospace, medical device, and consumer electronics verticals. Revenue mechanics are hardware sales — one-time capital purchases of chambers and instrumentation with ancillary calibration, integration, and after-sales support — supplemented by standards-compliance consulting across CISPR, IEC 61000-4-x, ISO 11451/11452, MIL-STD-461E/F/G, RTCA DO-160, ISO 7637-2, and FCC Parts 15/18 frameworks. The company serves customers in Singapore, Malaysia, Thailand, Vietnam, Philippines, Indonesia, and Cambodia from its Singapore headquarters, with no disclosed subsidiaries, M&A activity, funding rounds, or institutional investors.

Name

Js Denki Pte. Ltd.

Legal name

JS Denki Pte. Ltd.

Website

https://jsdenki.com.sg

Company type

Private

Founded year

2002

Operating status

Operating

Short description

JS Denki Pte. Ltd. is a Singapore-based authorized distributor and systems integrator of EMC test and measurement equipment (RF shielded rooms, anechoic chambers, EMI receivers, immunity systems) for automotive, military, avionics, EV, medical, and consumer electronics customers across Southeast Asia.

Ownership category

akta.pro rank

Product category

EMC Test & Measurement Equipment

NAICS

Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals (334515)

SIC

Instruments For Meas & Testing Of Electricity & Elec Signals (3825), Services-Testing Laboratories (8734)

akta.pro primary industry

Electrical Testing & Certification (Protection Relays, Switchgear, Transformers) (EUAEAHAG)

akta.pro secondary industries

Test, Measurement & Calibration Equipment Manufacturing Services (ATE, DAQ, metrology electronics) (IMAGAGAH), Third-Party Certification, Code Compliance & Regulatory Inspection (ASME/API/ISO) (EUAEAHAN), Commissioning, testing & energization services (HVT, relay testing, SAT) (EUADAKAE)

Keywords

• EMC test equipment
• RF shielded rooms
• Anechoic chambers
• EMI measurement systems
• Immunity test systems

Headquarters

HQ city

Singapore

HQ country

Singapore

HQ region

Asia

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Personnel, Operations, Marketing or Sales, Technology or R&D

Revenue model

1. EMC Testing Equipment Sales: Sale of specialized EMC testing equipment including RF shielded rooms, anechoic chambers, EMI receivers, RF amplifiers, immunity test systems, and related accessories. Equipment sales are one-time capital purchases with potential for after-sales service and calibration contracts.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

JS Denki is an authorized distributor and systems integrator specializing in EMC (Electromagnetic Compatibility) test and measurement solutions across Southeast Asia. The company supplies RF shielded rooms, anechoic chambers, EMI measurement systems, RF immunity test systems, and related EMC testing instruments from multiple global brands (ETS-Lindgren, Toyo, EMC Partner, Narda-PMM, Vectawave, Bonn Elektronik, AE Techron, LUMILOOP, Wavecontrol, Langer, Lioncel, Bolab, Pacific Power Source, Schwarzbeck, Com-Power). It provides turnkey EMC testing systems covering chambers, towers, turntables, antennas, instrumentation, and software for compliance testing across consumer electronics, automotive, military, avionics, medical, and electric vehicle sectors.

Product overview

JS Denki is a specialized EMC (Electromagnetic Compatibility) test and measurement solutions provider offering a comprehensive portfolio of testing equipment and systems. The product lineup is organized as a multi-brand platform with various specialized sub-brands: ETS-Lindgren (RF shielded rooms and anechoic chambers), Toyo (EMI measurement and immunity test systems), Narda-PMM (EMI receivers, LISN, RF probes, conducted immunity systems), LUMILOOP (laser-powered E-field probes and RF power meters), Vectawave and Bonn (RF power amplifiers), AE Techron (waveform generators, DSR dropout/surge/ripple simulators, voltage amplifiers), EMC Partner (transient immunity, military, avionics, high voltage testing), Wavecontrol (EMF exposure assessment), Pacific Power Source (programmable power supplies), Langer (PCB/IC testing), and Bolab (EV testing). The ecosystem includes test automation software integrations with major EMC platforms (Rohde & Schwarz, Ametek, ETS-Lindgren TILE!, Teseq, Frankonia, Toyo) enabling comprehensive compliance testing from pre-scan through full certification across consumer, automotive, military, avionics, medical, and electric vehicle sectors.

Differentiator

Problem solved

Functional benefit

Brands

• JS Denki EMC Product:
• TOYO EMC
• EMC PARTNER
• ETS-Lindgren
• Vectawave
• Bonn Elektronik
• Schwarzbeck
• Pacific Power Source
• Narda STS - PMM
• Com-Power
• Bolab Systems
• AE Techron
• Langer
• Wavecontrol
• LUMILOOP
• Lioncel EMC

Products and services

• RF Shielded Rooms (Series 81 and Series 101) Modular RF shielded enclosures providing EMI/RF shielding for EMC testing, instrumentation calibration, secure facilities, and high-voltage labs. Series 81 uses panel construction with hat & flat clamping system using 28-gauge sheet steel laminated cores; Series 101 offers pan-form bolted construction with no wooden parts, dismantled and reinstalled without special tools or welding. Compliant with NSA 94-106, NSA 65-6, and Federal Specification SS-A-118B.
• EMC Anechoic Chambers (FACT Series: 3m, 5m, 10m, Compact, CISPR 25, MIL-STD 461, Full Vehicle) RF-shielded semi-anechoic and fully anechoic chambers for radiated emission and immunity compliance testing. FACT 3 Meter with hybrid absorber and ferrite tile technology; FACT 5 Meter with 5-meter distance testing for better correlation to 10-meter results; FACT 10 Meter for full compliance testing per ANSI C63.4 and FCC Parts 15 & 18; SpaceSaver 26H Compact Chamber for testing up to 40 GHz; CISPR 25 Chamber for automotive components up to 1-meter; MIL-STD 461 Chamber using Series 81 modular panels; Full Vehicle EMC Chamber for whole-vehicle testing.
• DuraSorb Polystyrene Hybrid Absorber Low-profile hybrid anechoic absorber combining closed-cell foam substrates with ferrite tile base. Covers 30 MHz to 40 GHz, non-hygroscopic, fire resistant (UL94 HBF, DIN 4102 B2), with 200 V/m CW power handling. Suitable for cleanroom environments (ISO 8). Models include DSH-600H, DSH-400H, and DSH-1250H.
• EMI Measurement System (Toyo EPX/ES10 Series) EMI measurement and analysis software platform supporting radiated and conducted emission testing for consumer, wireless, and automotive products. Includes EPX/RE, EPX/CE, EPX/VE for high-performance measurement and ES10 series for evaluation testing. Supports CISPR, EN, FCC, VCCI, 3GPP, ETSI standards with frequency ranges from 9 kHz to 40 GHz.
• Toyo Immunity Test System (IM10/RS and IM10/CS) Radiated and conducted immunity test software and systems supporting IEC 61000-4-3, IEC 61000-4-6, ISO 11451/11452, ECE R-10, and automobile manufacturer standards. IM10/RS handles radiated immunity with field uniformity measurement; IM10/CS handles conducted immunity with coupling networks. Also supports reverberation chamber testing per IEC 61000-4-21.
• Toyo EMC System for Automotive EMC test systems for vehicles and vehicle components supporting EMI emission testing (150 kHz-40 GHz) per CISPR 12, ECE R.10, and OEM standards (Toyota, Honda, Nissan, Mazda, VW, Mercedes, BMW, Ford) and EMS immunity testing (10 kHz-40 GHz) per ISO 11451-x and ISO 11452-x.
• Narda-PMM EMI Receivers and Click Analyzers Full and pre-compliance FFT EMI receivers and click analyzers covering 10 Hz to 18 GHz. Models include 9010F (10 Hz-30 MHz), ER8000 (9 kHz-3 GHz with LISN), ER9000 (10 Hz-3 GHz, battery operated), FR4003 field receiver, and CA0010 four-channel click analyzer. Full compliance with CISPR 16-1-1 and MIL-STD.
• Narda-PMM LISN and Voltage Probes Line Impedance Stabilization Networks (LISN) supporting frequencies up to 400 MHz and currents from 16 A to 500 A. Includes single-line L1-150M (150 A, 10 kHz-400 MHz), three-phase L3 series (32 A to 100 A), high-current L1/L3-500 (500 A), and SHC passive voltage probes (9 kHz-30 MHz). Compliant with CISPR 16-1-2, CISPR 25, ISO 11452, MIL-STD-461F.
• Narda-PMM Conducted Immunity System (Cond-IS) Modular conducted immunity test system for IEC/EN 61000-4-6 and IEC/EN 61000-4-3. Includes RF generators 3010 (9 kHz-1 GHz) and 3030 (9 kHz-3 GHz) with built-in battery, 6630 USB RF power sensor (9 kHz-3 GHz), and power amplifiers PA6002 (15 W, 9 kHz-230 MHz) and PA6001 (40 W, 100 kHz-250 MHz).
• Narda-PMM RF Probes (EP-600 Series) Wideband electric field probes for EMC/EMI testing chambers, TEM/GTEM cells, and laboratory environments. EP-600 series covers 5 kHz to 26.5 GHz with field strengths from 0.14 V/m to 1500 V/m. Features spherical symmetrical configuration, miniaturized electronics, and accredited calibration option.
• Vectawave RF Power Amplifiers Broadband RF power amplifiers for EMC testing from 10 kHz to 6 GHz with power output from 1.2 W to 8 kW. Multiple series including VBA100 (10 kHz-100 MHz, 30W-3 kW), VBA230 (150 kHz-230 MHz), VBA250 (10 kHz-250 MHz), VBA400 (10 kHz-400 MHz), VBA1000 (80 MHz-1 GHz), VBA2000 (1-2 GHz), VBA3200 (700-3200 MHz), and VBA1060/2060 (1-6 GHz) using GaN technology.
• Bonn RF Power Amplifiers Solid state and pulsed RF power amplifiers. BSA series (4 kHz-1 GHz, 1 W-20 kW), BLWA series (1-1000 MHz, up to 40 kW), BLMA series (100 MHz-40 GHz, 0.1 W-2 kW), BPA pulsed series (300 MHz-10 GHz, 25 W-20 kW peak), narrowband amplifiers (800-2700 MHz), TWT amplifiers (1-50 GHz, 20 W-1 kW), and TWAP pulsed TWT amplifiers (1-18 GHz, up to 50 kW peak).
• LUMILOOP LSProbe Laser-Powered E-Field Probes Laser-powered electric field probes eliminating battery charging needs. LSProbe 1.2 covers 9 kHz-8.2 GHz; LSProbe 2.0 covers 9 kHz-18 GHz. Features include 2 MS/s sampling rate, 60-100 dB dynamic range, measurement up to 1000+ V/m, and integration with multiple EMC test automation platforms. Six-monopole isotropic antenna design in LSProbe 2.0.
• LUMILOOP LSPM RF Power Meters Triple high-speed RF power meters with 1-3 channels. LSPM 1.0 covers 9 kHz-8.2 GHz; LSPM 2.0 covers 9 kHz-26.5 GHz (up to 40 GHz reduced performance). LSPM 1.1 and 2.1 are laser-powered variants with galvanic isolation. All models feature 2 MS/s sampling rate, >80 dB dynamic range, and integration with LSProbe systems for accelerated EMC measurements.
• Lioncel RIS-6091 RF Conducted Immunity System Multifunctional RF conducted immunity test system with 150 kHz to 230 MHz frequency range, built-in signal source (9 kHz-1 GHz), built-in power amplifier (35 W or 85 W), and 3 built-in power meters. Supports IEC 61000-4-6 and ISO 11452-4 standards with automatic calibration and full test automation.
• AE Techron DSR 100 Series Dropout, Surge, Ripple Simulator 4-quadrant dropout, surge, ripple simulator and AC/DC voltage source. Models from 25 A to 200 A continuous output, voltage range up to +/-100 V, bandwidth up to 300 kHz. Includes 3000+ pre-entered automotive and aviation test routines including ISO 7637-2, ISO 16750-2, DO-160, MIL-STD-461, and multiple OEM standards.
• AE Techron DSR 400 Series Dropout, Surge, Ripple Simulator 4-quadrant dropout, surge, ripple simulator for DO-160 Section 16 and MIL-STD 704 testing. Models: DSR 400-80 (80 A, +/-400 V, 50 kHz bandwidth) and DSR 400-160 (160 A). Supports 115 V/240 V AC and 12 V/48 V DC systems with 5x peak power for in-rush testing.
• AE Techron 3110A Standards Waveform Generator Standards waveform generator with DC to 1 MHz bandwidth and <2 microsecond rise time. Includes 3000+ pre-entered automotive and aviation standards tests. Outputs sine, square, triangle, DC, ripple waveforms with segment-based test sequence creation. Works with AE Techron amplifiers for comprehensive EMC testing.
• AE Techron CIS-25 Test Kit Complete conducted susceptibility test kit for DO-160 Sections 18/19, Airbus ABD0100.1.8, and MIL-STD 461 (CS101). Includes DSR 100-25 test system, T1000/T2000/T3700 coupling transformers, CR600 chattering relay, secure storage case, and 2 hours expert consulting.
• AE Techron Voltage/Current Amplifiers (7200, 7700, 7800, 8300, 8500, 8700, 9100 Series) Linear and switching voltage/current amplifiers. Linear series: 7200 (1-4 kW), 7700 (2.5-5 kW), 7800 (10-20 kW, 60 kHz). Switching series: 8300 (200V/50kHz), 8500 (400V/50kHz), 8700 (400V/250kHz), 9100 (200V/250kHz). 4-quadrant operation for EMC testing applications.
• EMC Partner Military Testing Products Military EMC testing equipment including MIL3 series generators supporting MIL-STD-461 (CS115, CS116, CS106, CS06), MIL-STD-1275B, and DO-160 standards. Products include bulk current injection probes (CN-BT6), damped sine plugins (MIL3-10K10M, MIL3-30M100M), voltage spike generators (MIL3-SPIKE, MIL3-SPIKE-FAST), and lightning impulse generators (MIG-OS-MB-EXT, AVI-LV3) for CS117/CS118 testing.
• EMC Partner Avionics Testing Products Avionics EMC testing equipment for DO-160 compliance including voltage spike generators (MIL3-DO-160-S17), induced signal testers (MIL3-DO-160-S19), lightning current generators (MIG0600MS, MIG0600SS, AVI-LV3, AVI-0812, AVI-LV5), and coupling transformers for cable bundle testing.

Segments6 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration16 records

Feature13 records

Partnerships

15 partnerships are on record, tiered core.

• ETS-LindgrencoreTechnology or IntegrationAuthorized distributor for ETS-Lindgren RF shielded rooms, EMC anechoic chambers (FACT series), and shielding solutions. ETS-Lindgren is a leading global manufacturer of EMC test equipment including Series 81 and Series 101 shielded enclosures, FACT chambers, and related accessories.
• Toyo CorporationcoreTechnology or IntegrationAuthorized distributor for Toyo EMI measurement systems, immunity test systems, and automotive EMC test solutions. Toyo provides EPX and ES10 series software for radiated and conducted emission testing supporting CISPR, EN, FCC, and automobile standards.
• EMC PartnercoreTechnology or IntegrationAuthorized distributor for EMC Partner products including ESD simulators (ESDEX series), EFT/Burst testers, Surge testers, MIL-STD 461 military testing systems, DO-160 avionics testing equipment, and telecom lightning testing solutions.
• Narda STS - PMMcoreTechnology or IntegrationAuthorized distributor for Narda-PMM EMI receivers (9010F, ER8000, ER9000 series), LISN & voltage probes, conducted immunity systems (Cond-IS), and RF probes covering frequency ranges from 10 Hz to 18 GHz.
• VectawavecoreTechnology or IntegrationAuthorized distributor for Vectawave broadband RF power amplifiers ranging from 10 kHz to 6 GHz with power output from 1.2W to 8kW. Products include Class A amplifiers for EMC applications with various frequency ranges.
• Bonn ElektronikcoreTechnology or IntegrationAuthorized distributor for Bonn RF power amplifiers including BSA series (4 kHz-1 GHz, 1W-20 kW), BLWA series (1-18000 MHz, 1W-40 kW), BLMA series (100 MHz-40 GHz), and BPA pulsed amplifiers (300 MHz-10 GHz).
• Pacific Power SourcecoreTechnology or IntegrationAuthorized distributor for Pacific Power Source programmable power sources (AFX, ADF, LMX, LSX series), harmonic & flicker systems (ECTS2), and power line immunity test equipment.
• AE TechroncoreTechnology or IntegrationAuthorized distributor for AE Techron DSR series dropout/surge/ripple simulators (DSR 100 and DSR 400), 3110A waveform generator, and CIS-25 test kit for automotive and aviation EMC testing.
• LUMILOOPcoreTechnology or IntegrationAuthorized distributor for LUMILOOP LSProbe laser-powered E-field probes (1.2 and 2.0 models, 9 kHz-18 GHz), LSPM RF power meters (1.0, 1.1, 2.0, 2.1 models), and related positioning systems and accessories.
• WavecontrolcoreTechnology or IntegrationAuthorized distributor for Wavecontrol EMF exposure assessment equipment including SMP3 EMF meters, MonitEM area monitors, and WaveMon personal safety monitors for electromagnetic field measurement.
• LangercoreTechnology or IntegrationAuthorized distributor for Langer PCB immunity and emission test systems, IC test systems, IC security testing, and positioning systems for PCB and integrated circuit EMC testing.
• Lioncel EMCcoreTechnology or IntegrationAuthorized distributor for Lioncel EMC RF conducted immunity test systems (RIS-6091 series) and coupling/decoupling networks (CDN-M, CDN-T, CDN-S, CDN-AF series) for automotive and industrial EMC testing.
• Bolab SystemscoreTechnology or IntegrationAuthorized distributor for Bolab low voltage and high voltage test systems, 4-quadrant amplifiers, and power supplies for electric vehicle EMC testing applications.
• SchwarzbeckcoreTechnology or IntegrationAuthorized distributor for Schwarzbeck EMC test equipment including antennas, LISNs, and other EMC measurement components.
• Com-PowercoreTechnology or IntegrationAuthorized distributor for Com-Power EMC test equipment including antennas, preamplifiers, and related accessories for EMC testing applications.

Scale indicators1 record

Recent moves4 records

Expansion highlights4 records

Direct peers

• ETS-Lindgren: Global manufacturer of RF shielded rooms and EMC anechoic chambers (Series 81, Series 101, FACT chambers). JS Denki is ETS-Lindgren's authorized Southeast Asian distributor, so the two compete only indirectly — at the manufacturer-customer level via other channels — but their product portfolios are deeply intertwined.
• Toyo Corporation: Japanese manufacturer of EMI measurement systems (EPX/ES10) and immunity test systems (IM10). JS Denki is Toyo's authorized distributor in Southeast Asia, so they co-sell in the region while Toyo also maintains direct sales channels in Japan and other Asian markets.
• EMC Partner: Swiss manufacturer of ESD simulators, EFT/burst generators, surge testers, and MIL-STD-461/DO-160 test systems — the very product line JS Denki distributes in Southeast Asia. Competes at the manufacturer level and could appoint competing local channels.
• Frankonia EMC: German manufacturer and integrator of EMC anechoic chambers and turnkey test systems with ProveEMC automation software. Competes directly with ETS-Lindgren chambers that JS Denki distributes and could appoint competing regional distributors.
• Narda STS: Italian/German manufacturer of EMI receivers (9010F, ER8000/ER9000), LISN, RF probes, and conducted immunity systems (Cond-IS) — a primary JS Denki principal. Could bypass distribution via direct sales offices in target Asian markets.

Broad incumbents

• Rohde & Schwarz: Global test and measurement incumbent offering EMC test receivers, amplifiers, and ELEKTRA/EMC32 automation software that integrates with JS Denki's LSProbe portfolio. Competes broadly with JS Denki's principals in EMI receivers and automation, and could disintermediate via direct sales.
• Keysight Technologies: Major test and measurement manufacturer with EMI receivers, signal analyzers, and EMC test solutions. Competes with JS Denki's represented principals (Narda-PMM, Toyo) and could bypass regional distributors in large accounts.
• AMETEK (Compliance Test Solutions / Teseq / EM TEST): Acquired Teseq, EM TEST, and other EMC instrument brands; offers CIS 6, Compliance 5, and a broad transient immunity portfolio. Competes with EMC Partner (JS Denki principal) and could capture Southeast Asian share via direct regional offices.
• Yokogawa Electric: Japanese test and measurement manufacturer with oscilloscopes, power analyzers, and broader industrial instrumentation relevant to EMC test environments. Competes in adjacent test categories and has established Asian sales channels.

Regional players

• Chroma ATE: Taiwan-based test and measurement manufacturer offering EMI receivers, automotive EMC test systems, and EV power test solutions. Headquartered in Asia and competes most directly with JS Denki's automotive and EV-focused principals.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks5 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/jsdenki

Compliance15 records

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Js Denki Pte. Ltd.