NMX‑EMC‑100 / Rev 00 / CISPR · MIL‑STD‑461 / Noida · India 2026 · Product Page

NMX-EMC-100 · ENGINEERED TO ORDER — EMI/EMC TEST LABORATORIES

A room that is silent across ten billion to one.

Name: EMI / EMC Test Laboratory
Brand: Neometrix

EMI/EMC test laboratories — shielded anechoic chambers where electronics prove they neither pollute the spectrum nor fail in it. ≥100 dB shielding so the outside world disappears, absorber linings until the room measures like open country (NSA ±4 dB), and test suites from CISPR to MIL‑STD‑461 — bench equipment to complete vehicles on an in-floor dynamometer. Engineered to order — the reference configuration on this page has not yet been built.

Enquire — EMC laboratories Capability sheet (PDF)

Illustrative image, not a delivered installation — the interior of a large semi-anechoic EMC chamber: walls and ceiling fully lined with deep blue pyramidal absorbers over ferrite tile, a bright steel ground-plane floor with a large flush vehicle turntable, and an antenna mast standing at the measurement position

Fig · 01 A vehicle-scale semi-anechoic chamber — absorbers, ground plane and turntable — illustrative, not a delivered installation

Shielding

≥100dB

Site (NSA)

±4dB

Immunity

60V/m · RS103

Coverage

30 Hz–40GHz

Suites

CISPR& MIL-461

ISO 9001 / 14001 Engineered to order Validated to ANSI C63.4 · CISPR 16-1-4 17025-traceable calibration in scope of supply Noida · India

Overview

Every product asks two questions. This room answers both.

Does it pollute the radio spectrum — and can it survive the pollution of others? Emissions and immunity. No electronic product ships, flies, sails or drives without answering them, and the answers are only worth anything if they were measured in a room built to make the measurement true.

Illustrative image, not a delivered installation — close-up of an RF-shielded chamber door edge: a heavy steel door leaf with rows of beryllium-copper finger-stock contacts along a machined knife-edge frame, beside a wall panel carrying a golden honeycomb waveguide air vent

Fig · 02 Where the shield is won: finger-stock door contacts and a honeycomb air vent — illustrative, not a delivered installation

The laboratory must do two contradictory things at once. It must be a Faraday cage — ≥100 dB of shielding, a factor of ten billion in power, so a city’s radio chatter cannot reach the receiver and the lab’s own kilowatt-class test fields cannot reach the city.

And it must measure like open country. A bare metal room is a hall of mirrors for radio waves; every measurement would arrive twice. So the shield is lined — ferrite tile for the low bands, hybrid pyramidal absorbers above — until the room’s normalised site attenuation tracks the ideal open-area site within ±4 dB, point by point, frequency by frequency.

The tension never resolves; it is engineered. Air enters through honeycomb waveguide vents that pass air but cut off RF. Power enters through filtered feedthroughs. Doors seal on knife-edges through beryllium-copper finger stock. The shield is only as good as its worst penetration.

One hundred decibels means: what is a rock concert outside is a falling pin inside. The chamber holds that ratio while a test field of sixty volts per metre rages within it.

Engineered to Order

Sized to the products and the standards

Chamber dimensions, shielding performance, absorber fit, instrumentation and automation follow from what is being tested — a medical device, an avionics box, a complete vehicle — and the standards it must meet. The reference envelope here was engineered against India’s current test-infrastructure build-out; no order followed, so no delivered laboratory is claimed.

Bench to Vehicle

One discipline, five facility types

A 3 m chamber for products on a bench, a 10 m chamber for machines, a MIL-STD-461 room for defence electronics, an automotive hall with a turntable and an in-floor chassis dynamometer, an RF chamber quiet to 40 GHz — the same physics, engineered at five scales.

Validated, not asserted

The room itself is the first test article

Before any product is measured, the chamber is: shielding effectiveness to EN 50147-1/IEEE 299, NSA to ANSI C63.4, site VSWR to CISPR 16-1-4, field uniformity to IEC 61000-4-3 — with 17025-traceable calibration carried in the scope of supply.

Architecture

A shield, a lining, and three rooms.

The schematic below is the whole laboratory: the shield and its engineered penetrations, the absorber lining that makes the space measurable, the test volume with its turntable and mast, and the shielded amplifier and control rooms that drive and read every test.

FIG · 03LABORATORY ARCHITECTURE · SHIELD · ABSORBER LINING · TEST VOLUME · AMPLIFIER & CONTROL ROOMS

Fig · 03 The chamber must be quiet twice — ingress blocked by the shield, reflections killed by the lining — and every penetration is engineered, not tolerated

Arc · 01

The Shield

Modular pan-type galvanised panels, demountable and relocatable, assembled into a six-sided cage verified to ≥100 dB. Doors close metal-to-metal through knife-edge and finger-stock contact; air arrives through honeycomb waveguides below their cut-off frequency; every power and signal line passes a filtered feedthrough. A shield is a perimeter, and it is only as strong as its weakest crossing.

Arc · 02

The Lining

Ferrite tiles absorb where wavelengths are long; hybrid pyramidal absorbers take over above, their geometry easing waves into loss instead of bouncing them back. In a semi-anechoic chamber the floor stays a conductive ground plane — the standards demand it — with movable floor absorbers laid for immunity work. Long-life media, clean-room-compatible where the site requires.

Arc · 03

The Test Volume

The equipment under test sits on a turntable — bench-scale to a full vehicle — before an antenna mast with height and polarisation drive. The working region is proven: NSA ±4 dB, site VSWR <6 dB to 18 GHz, immunity field uniform within 0/+6 dB across the calibration grid. In the automotive hall, a chassis dynamometer in the ground plane lets the vehicle drive at speed while its emissions are read.

Arc · 04

Amplifier & Control Rooms

Kilowatt-class broadband amplifiers live in their own shielded room — they are deliberate polluters and are caged accordingly. The control room holds the full-compliance receivers, switch platforms and automation that sequence CISPR and MIL-STD-461 suites end to end, watching the chamber through shielded windows and CCTV, with interlocks that make 60 V/m unreachable while a door is open.

Have an EMC laboratory, shielded chamber or MIL-STD-461 facility requirement? Send it across — clause-by-clause compliance matrix within two working days · [email protected]

Send tender spec

Specifications

Reference laboratory, sized to your products.

The parameters below describe a reference facility. Chamber size, shielding class, absorber fit, instrument set and automation depth are settled against the products under test and the standards they answer to.

Illustrative image, not a delivered installation — an EMC laboratory control room: racks of test instruments with dark blank screens and panels, an operator desk, and a shielded observation window with a fine conductive mesh looking into the absorber-lined chamber beyond

Fig · 04 The control room — receivers, automation and a shielded window — illustrative, not a delivered installation

Where EMC labs actually fail

Rarely in the steel. They fail at the door whose finger stock has fatigued after ten thousand closures; at a penetration someone added for one more cable and never filtered; at ageing absorbers whose loss has drifted until the NSA quietly walks out of tolerance — and the lab keeps issuing reports it can no longer stand behind.

That is why the room itself is treated as the first test article — validated at handover and re-validatable after every change — and why the upgradation of existing shielded facilities is carried as a defined scope: new linings, instruments and automation into a shield that still has decades left in it.

Full specification — expand

System	EMI/EMC test laboratory — shielded structure, absorber lining, engineered penetrations, turntable and mast, amplifier and control rooms, instrumentation and automation · design, engineering, supply, construction, integration, validation, documentation and training
Shielding Effectiveness	Magnetic field ≥80 dB at 1 MHz · electric field ≥100 dB, 200 kHz–50 MHz · plane wave ≥100 dB from 50 MHz, extended to 18/40 GHz by design · verified to EN 50147-1 / IEEE 299
Site Performance	NSA within ±4 dB (30 MHz–1 GHz at 3 m / 10 m, ANSI C63.4 / CISPR 16-1-4) · site VSWR <6 dB (1–18 GHz, CISPR 16-1-4) · immunity field uniformity 0/+6 dB (80 MHz–6 GHz, ≥75 % of 16 points, IEC 61000-4-3)
Structure	Modular pan-type galvanised shielding panels, demountable and relocatable · RF-tight single/double-leaf doors with knife-edge & beryllium-copper finger stock · honeycomb waveguide air vents · filtered power and signal feedthroughs · earthing and lightning interface engineered with the shield
Lining	Ferrite tile base layer with hybrid pyramidal absorbers · long-life media with clean-room-compatible options · conductive ground-plane floor in semi-anechoic configurations · movable floor absorbers for immunity work · removable absorber sets before the quiet zone
Facility Types	3 m and 10 m semi-anechoic chambers · MIL-STD-461 shielded test rooms · automotive / EV EMC halls with vehicle turntable and in-floor chassis dynamometer · fully anechoic RF chambers to 40 GHz (quiet zones ~1 m³ to 5 GHz, ~0.5 m³ above) · upgradation of existing shielded facilities
Defence Suites	MIL-STD-461 E/F/G: CE101, CE102 · CS101 · CS114 bulk cable injection 10 kHz–400 MHz · CS115 · CS116 damped sinusoid · RE101 · RE102 (2 MHz–18 GHz) · RS101 · RS103 radiated susceptibility to 60 V/m, 2 MHz–18 GHz (higher by amplifier fit)
Commercial Suites	CISPR 11 / 14 / 15 / 32 · CISPR 16-1-1 / 16-1-4 · IEC 61000-4-3 / -4-6 · ANSI C63.4 · FCC Part 15 / 18 · IEC 60601-1-2 (medical EMC)
Automotive & EV	CISPR 12 (whole vehicle) · CISPR 25 (components & modules) · ECE R10 e-marking · BCI per ISO 11452-4 · high-voltage artificial networks to the 1,600 A class for EV high-voltage buses · vehicle turntable · in-floor chassis dynamometer for drive-at-speed emissions
Instrumentation	Full-compliance EMI receivers (Hz-class to 8+ GHz, CISPR 16-1-1) · broadband power amplifiers in a shielded amplifier room · antennas 30 Hz–40 GHz (loop, biconical, log-periodic, horn) · LISNs/AMNs incl. automotive HV · BCI probes & clamps · switch / automation platforms with EMC sequencing software · shielded CCTV & intercom
Safety & Interlocks	Door-field interlocks (no field with a door open) · RF warning & status indication · E-stops in chamber and control room · fire detection engineered through the shield · controlled access during immunity runs
Validation & Scope	The room is the first test article: SE to EN 50147-1/IEEE 299, NSA to ANSI C63.4, SVSWR to CISPR 16-1-4, field uniformity to IEC 61000-4-3 · ISO/IEC 17025-traceable calibration · documentation & training · support for NABL accreditation of the laboratory — all carried in the scope of supply, not held in advance
Sourcing	Receivers, amplifiers, antennas, LISNs and absorber media are proprietary bought-in products of established manufacturers · Neometrix engineers and builds the laboratory around them — shield and its RF integrity, lining, penetrations, grounding and filtering, HVAC integration, turntable/mast/dyno integration, racks and automation, validation campaign, training
Status	Engineered to order — reference configuration, not yet built · sized to the products, sectors and standards at design review

PDF · 1 page

EMI / EMC Test Laboratory — Capability Sheet

Tender Response

Send your specification — compliance matrix in two working days

Variants

Five rooms, one physics.

Tenders call these EMC labs, semi-anechoic chambers, shielded enclosures or RF test facilities. What changes is the scale, the floor, and what stands in the quiet zone.

Var · 01

3 m / 10 m Semi-Anechoic EMC Chamber

The compliance workhorse — ground-plane floor, absorber-lined above, NSA-validated at the standard measurement distances for CISPR and ANSI emissions and IEC immunity.

Var · 02

MIL-STD-461 Shielded Test Room

The defence-electronics configuration — shielded room, ground-plane bench, LISNs and the CE/CS/RE/RS method set, RS103 to 60 V/m and beyond, for avionics and platform equipment across revisions E, F and G.

Var · 03

Automotive & EV EMC Hall

A vehicle-scale semi-anechoic hall with turntable and an in-floor chassis dynamometer, executing CISPR 12/25 and ECE R10 — with HV artificial networks for the high-voltage buses electrification brought with it.

Var · 04

RF Anechoic Chamber · Upgradation

Fully anechoic rooms quiet to 40 GHz for antenna and wireless measurement — and the modernisation of existing shielded facilities: new linings, receivers and automation into a shield that still has decades of life.

Applications

Where it applies.

Anywhere electronics must be proven quiet, and proven tough, before they ship.

A · 01Defence & avionics equipment qualification to MIL-STD-461 E/F/G

A · 02Automotive & EV homologation — CISPR 12/25, ECE R10, high-voltage systems

A · 03Consumer, industrial & IT product compliance — CISPR / FCC / IEC 61000

A · 04Medical device EMC to IEC 60601-1-2

A · 05Antenna & wireless measurement in RF-quiet chambers to 40 GHz

A · 06Research institutes & test houses — new laboratories and upgradations toward accreditation

FAQ

Common questions.

Plain-language answers from the engineering team.

Q · 01 What is the difference between EMI and EMC?

EMI — electromagnetic interference — is the pollution itself: the unwanted radio-frequency energy a product emits, whether radiated through the air or conducted down its cables. EMC — electromagnetic compatibility — is the discipline of coexistence: proving a product neither emits beyond the limits nor misbehaves when subjected to the emissions, surges and fields of everything around it. Every standard on this page is one or the other — emissions tests measure what leaves the product; immunity (or susceptibility) tests deliberately attack it with calibrated fields and transients and watch whether it keeps working. A complete laboratory does both, which is why it needs both sensitive receivers and kilowatt amplifiers — one room listens, the same room later shouts.

Q · 02 Why does the chamber need both shielding and absorbers?

Because they solve two different problems, and each makes the other necessary. Shielding is about ingress and egress: the receiver inside must hear microvolts, so the outside world — broadcast, mobile networks, industry — must be attenuated by 100 dB or more; and during immunity testing the lab generates fields that must never reach the neighbourhood. But a perfectly shielded bare-metal room is a resonant hall of mirrors — every signal arrives at the antenna once directly and again from every wall, and the measurement is meaningless. Absorbers — ferrite tile where wavelengths are long, pyramidal foam above — kill those reflections until the room behaves like an open field with nothing around for hundreds of metres. The shield makes the room quiet; the lining makes it honest.

Q · 03 What does “NSA within ±4 dB” actually prove?

Normalised site attenuation is the chamber’s honesty test. Between two antennas at a defined geometry, theory gives an exact attenuation for an ideal open-area site — a perfectly flat ground plane with nothing else in the universe. The chamber is measured against that theoretical curve across 30 MHz to 1 GHz, both polarisations, across the test volume; wherever the measured value deviates more than ±4 dB, the room is colouring the measurement — a reflection surviving somewhere, an absorber underperforming. Holding ±4 dB is what makes a result transportable: the same product measured in any other compliant chamber, or on a true open site, gives the same answer. Above 1 GHz the equivalent discipline is site VSWR, held below 6 dB — different mathematics, same question: is this room telling the truth?

Q · 04 What is special about automotive and EV EMC testing?

Two things. First, the product will not sit still: a vehicle’s worst emissions occur when its powertrain is working, so the chamber floor carries a chassis dynamometer and the vehicle is measured while driving at speed against road load — on a turntable, so every aspect faces the antenna. Second, electrification moved the energy: an EV carries a high-voltage bus switching hundreds of amps, and its conducted emissions are measured through high-voltage artificial networks built for exactly that duty — the 1,600 A class on this page — under CISPR 25, with whole-vehicle radiated work under CISPR 12 and the e-marking regime of ECE R10. An automotive EMC hall is therefore three Neometrix product lines in one room: the shielded chamber, the dynamometer, and the instrumentation that binds them.

Q · 05 Can an existing shielded room be upgraded instead of replaced?

Usually, yes — and it is often the right call. A well-built shield ages slowly; what ages fast is everything else: absorbers lose performance over decades, finger stock fatigues, receivers and standards move on, and automation written for last-generation instruments quietly becomes the laboratory’s bottleneck. An upgradation replaces the lining, refurbishes doors and penetrations, installs current receivers, amplifiers and switching, and re-validates the room — shielding effectiveness, NSA, field uniformity — so the certificate on the wall is earned again rather than inherited. Indian test facilities are tendering exactly this work today, and it is carried here as a defined scope with the same validation discipline as a new build.

Q · 06 Do you manufacture the receivers and amplifiers?

No — and no honest laboratory builder does. Full-compliance EMI receivers, broadband power amplifiers, precision antennas and absorber media are proprietary products from a small number of specialist manufacturers worldwide, and tenders rightly expect those makes with their calibration pedigrees. What Neometrix engineers and builds is the laboratory: the shielded structure and every decibel of its RF integrity, the absorber layout, each penetration and its filtering, the grounding scheme, the HVAC that breathes through waveguides, the turntable, mast and dynamometer integration, the racks and the automation that sequence a full CISPR or MIL-STD-461 campaign, and the validation measurements that make the room itself certifiable. That integration — not any single instrument — is what a laboratory actually is. And to be straightforward: this configuration is engineered to order and has not yet been built, so nothing here is offered as a delivered reference.

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Qualification infrastructure from Neometrix.

The environmental, electromagnetic and dynamic halves of product qualification, engineered at our Noida facility.

↗ Environmental

Climatic & Environmental Test Chambers

The thermal half of qualification — weather on demand.

↗ Vehicle Test

Chassis Dynamometer

The machine in the EMC hall’s floor — the road, indoors.

↗ Instrumentation

Engine Test Cell Data Acquisition System

The measurement backbone for test cells of every kind.

Browse all Neometrix product lines.

Get a quotation

Send your products
and your standards.

The Projects desk replies within two working days with a clause-by-clause compliance matrix and a budgetary quotation. Write to [email protected] or use the form.

Enquire — EMC laboratories Capability sheet (PDF) +91 7777 876 876

ISO 9001 / 14001 ENGINEERED TO ORDER — EMI/EMC TEST LABORATORIES CISPR · MIL-STD-461 · IEC 61000 ENGINEERED IN NOIDA · INDIA

A room that is silent across ten billion to one.

Every product asks two questions. This room answers both.

Sized to the products and the standards

One discipline, five facility types

The room itself is the first test article

A shield, a lining, and three rooms.

The Shield

The Lining

The Test Volume

Amplifier & Control Rooms

Reference laboratory, sized to your products.

Where EMC labs actually fail

Five rooms, one physics.

3 m / 10 m Semi-Anechoic EMC Chamber

MIL-STD-461 Shielded Test Room

Automotive & EV EMC Hall

RF Anechoic Chamber · Upgradation

Where it applies.

Common questions.

Qualification infrastructure from Neometrix.

Climatic & Environmental Test Chambers

Chassis Dynamometer

Engine Test Cell Data Acquisition System

Send your products
and your standards.

Similar Products

Share This Page

A room that is silent across ten billion to one.

Every product asks two questions. This room answers both.

Sized to the products and the standards

One discipline, five facility types

The room itself is the first test article

A shield, a lining, and three rooms.

The Shield

The Lining

The Test Volume

Amplifier & Control Rooms

Reference laboratory, sized to your products.

Where EMC labs actually fail

Five rooms, one physics.

3 m / 10 m Semi-Anechoic EMC Chamber

MIL-STD-461 Shielded Test Room

Automotive & EV EMC Hall

RF Anechoic Chamber · Upgradation

Where it applies.

Common questions.

Qualification infrastructure from Neometrix.

Climatic & Environmental Test Chambers

Chassis Dynamometer

Engine Test Cell Data Acquisition System

Send your productsand your standards.

Similar Products

Share This Page

Send your products
and your standards.