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From amplifiers to sleep systems to EMG machines, we have the new, used and refurbished medical devices your organization needs. Whether you need a wide range of used medical equipment or are looking for medical equipment for sale, browse our site now for a wide range of products and models from the world’s most trusted manufacturers, including Natus, Cadwell, Nihon Kohden, Philips Respironics, Viasys, Compumedics, and more.

Whether you need to upgrade equipment or find quality used EEG equipment for sale, shop reLink Medical now for one of the widest selections in the industry.

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EEG / EMG Machines

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    Natus 10395 Xltek EEG Breakout Unit

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    OEM: NatusMaterial: 10395 Common Name: Xltek EEG Breakout Unit Item Weight: 1 Serial Number: 10395C23050 SKU#: Inv-00600093 Powers On: Unable to Ch...

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    Nihon Kohden LS-703A Photic Stimulator

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    OEM: Nihon KohdenMaterial: LS-703A Common Name: Photic Stimulator Manufactured Date: 2012-01-01 Item Weight: 7 Serial Number: 218AHBZX00013000 SKU#...

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    Nihon Kohden LS-703A Photic Stimulator

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    OEM: Nihon KohdenMaterial: LS-703A Common Name: Photic Stimulator Manufactured Date: 2021-01-01 Item Weight: 2 Serial Number: 0101956 SKU#: Inv-005...

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  • Mecta Mecta Spectrum 5000DQ Electroconvulsive ECT Shock Therapy EEG EMG Sleep Systems reLink Medical
    Mecta Mecta Spectrum 5000DQ Electroconvulsive ECT Shock Therapy EEG EMG Sleep Systems reLink Medical
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    Mecta Spectrum 5000DQ Electroconvulsive ECT Shock Therapy

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    OEM: MectaMaterial: Spectrum 5000DQ Common Name: Electroconvulsive ECT Shock Therapy Manufactured Date: 2019-05-26 Item Weight: 34.5 Serial Number:...

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  • Medtronic Medtronic RS5200 Recharger Kit EEG EMG Sleep Systems reLink Medical
    Medtronic Medtronic RS5200 Recharger Kit EEG EMG Sleep Systems reLink Medical
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    Medtronic RS5200 Recharger Kit

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    OEM: MedtronicMaterial: RS5200 Common Name: Recharger Kit Model Name: RS5200 Item Weight: 12 Serial Number: NPP026196N SKU#: Inv-00576198 Powers On...

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    Natus 10395 Xltek EEG Breakout Unit

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    OEM: NatusMaterial: 10395 Common Name: Xltek EEG Breakout Unit Item Weight: .7 Serial Number: NONE SKU#: Inv-00579694 Powers On: Unable to Check In...

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  • Natus Natus 10395 Xltek EEG Breakout Unit EEG EMG Sleep Systems reLink Medical
    Natus Natus 10395 Xltek EEG Breakout Unit EEG EMG Sleep Systems reLink Medical
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    Natus 10395 Xltek EEG Breakout Unit

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    OEM: NatusMaterial: 10395 Common Name: Xltek EEG Breakout Unit Item Weight: 1 Serial Number: NONE SKU#: Inv-00572545 Powers On: Unable to Check Inc...

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  • Natus Natus 10395 Xltek EEG Breakout Unit EEG EMG Sleep Systems reLink Medical
    Natus Natus 10395 Xltek EEG Breakout Unit EEG EMG Sleep Systems reLink Medical
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    Natus 10395 Xltek EEG Breakout Unit

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    OEM: NatusMaterial: 10395 Common Name: Xltek EEG Breakout Unit Item Weight: 2 Serial Number: 10395C23338 SKU#: Inv-00569804 Powers On: Unable to Ch...

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  • Natus Natus 10395 Xltek EEG Breakout Unit EEG EMG Sleep Systems reLink Medical
    Natus Natus 10395 Xltek EEG Breakout Unit EEG EMG Sleep Systems reLink Medical
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    Natus 10395 Xltek EEG Breakout Unit

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    OEM: NatusMaterial: 10395 Common Name: Xltek EEG Breakout Unit Item Weight: 1 Serial Number: 10395C23119 SKU#: Inv-00526327 Powers On: Unable to Ch...

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  • Natus Natus 10395 Xltek EEG Breakout Unit EEG EMG Sleep Systems reLink Medical
    Natus Natus 10395 Xltek EEG Breakout Unit EEG EMG Sleep Systems reLink Medical
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    Natus 10395 Xltek EEG Breakout Unit

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    OEM: NatusMaterial: 10395 Common Name: Xltek EEG Breakout Unit Item Weight: 1 Serial Number: 10395C23041 SKU#: Inv-00526324 Powers On: Unable to Ch...

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    Natus 10395 Xltek EEG Breakout Unit

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    OEM: NatusMaterial: 10395 Common Name: Xltek EEG Breakout Unit Item Weight: 1 Serial Number: 10395C23086 SKU#: Inv-00526308 Powers On: Unable to Ch...

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  • Natus Natus 10395 Xltek EEG Breakout Unit EEG EMG Sleep Systems reLink Medical
    Natus Natus 10395 Xltek EEG Breakout Unit EEG EMG Sleep Systems reLink Medical
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    Natus 10395 Xltek EEG Breakout Unit

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    OEM: NatusMaterial: 10395 Common Name: Xltek EEG Breakout Unit Item Weight: 1 Serial Number: NONE SKU#: Inv-00526305 Powers On: Unable to CheckFunc...

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    Embla S 4500 PSG System

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    OEM: EmblaMaterial: S 4500 Common Name: PSG System Item Weight: 2.4 Serial Number: PUS45-C1002680 SKU#: Inv-00599942 Powers On: Unable to Check Inc...

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    Embla S 4500 PSG System

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    OEM: EmblaMaterial: S 4500 Common Name: PSG System Item Weight: .4 Serial Number: PUS45-C1002592 SKU#: Inv-00599065 Powers On: Unable to Check Incl...

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    Embla Sandman E EEG System

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    OEM: EmblaMaterial: Sandman E Common Name: EEG System Item Weight: 3 Serial Number: 00322 SKU#: Inv-00469556 Powers On: Unable to CheckFunctional C...

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    The Prometheus Group Pathway NMR 200 EMG System

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    OEM: The Prometheus GroupMaterial: Pathway NMR 200 Common Name: EMG System Item Weight: 1 Serial Number: 01120055 SKU#: Inv-00548357 Powers On: Una...

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    Embla 20000101 Communication Unit

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    OEM: EmblaMaterial: 20000101 Common Name: Communication Unit Model Name: 20000101 Item Weight: 5 Serial Number: C-0919033-CU-0320 SKU#: Inv-0058290...

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  • Viasys Healthcare Viasys Healthcare 222-476300 NicLED Photic EEG EMG Sleep Systems reLink Medical
    Viasys Healthcare Viasys Healthcare 222-476300 NicLED Photic EEG EMG Sleep Systems reLink Medical
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    Viasys Healthcare 222-476300 NicLED Photic

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    OEM: Viasys HealthcareMaterial: 222-476300 Common Name: NicLED Photic Item Weight: 41 Serial Number: 05779 SKU#: Inv-00543048 Powers On: Unable to ...

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    Natus 500VA Isobox

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    OEM: NatusMaterial: 500VA Common Name: Isobox Model Name: 642-603100 Manufactured Date: 2022-01-01 Item Weight: 7.3 Serial Number: C220815022 SKU#:...

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    Viasys Healthcare Nicolet One Photic Stimulator

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    OEM: Viasys HealthcareMaterial: Nicolet One Common Name: Photic Stimulator Item Weight: 41.5 Serial Number: NONE SKU#: Inv-00611044 Powers On: Unab...

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    Viasys Healthcare Nicolet One Photic Stimulator

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    OEM: Viasys HealthcareMaterial: Nicolet One Common Name: Photic Stimulator Item Weight: 41.5 Serial Number: GK053421 SKU#: Inv-00611030 Powers On: ...

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    Embla 2000102 Patient Unit

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    OEM: EmblaMaterial: 2000102 Common Name: Patient Unit Model Name: 2000102 Item Weight: 1 Serial Number: 2016RUC10019870301 SKU#: Inv-00601325 Power...

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    Xltek EMU40 Base Station

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    OEM: XltekMaterial: EMU40 Common Name: Base Station Item Weight: 3 Serial Number: 104050362A5 SKU#: Inv-00588696 Powers On: YesFunctional Condition...

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    Xltek EMU40 Base Station

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    OEM: XltekMaterial: EMU40 Common Name: Base Station Manufactured Date: 2008-05-01 Item Weight: 3 Serial Number: 104050162A3 SKU#: Inv-00588686 Powe...

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What are EEG and EMG Machines?

EEG and EMG machines are diagnostic tools used in clinical practice to monitor and evaluate electrical activity in the brain and muscles. An EEG machine (electroencephalogram) records brain wave patterns through surface electrodes placed on the scalp, helping detect abnormalities in brain activity, such as epilepsy, brain disorders, or sleep irregularities. It’s frequently used in settings ranging from routine EEG testing to monitoring in medically induced coma cases.

EMG (electromyography) devices measure electrical signals produced by muscle contractions, helping diagnose neuromuscular conditions such as ALS or nerve damage. EEG systems are also available in ambulatory EEG formats, allowing patients to undergo testing while continuing daily activities. These devices generate crucial EEG signals and EEG data used by neurologists to guide diagnosis and care. Together, they support a better understanding of neurological and muscular health.

Key Differences Between EEG and EMG Machines

While both EEG and EMG machines monitor electrical signals, they differ in purpose, signal type, and application. EEG machines focus on brain activity and neurological disorders by detecting brain wave patterns using EEG electrodes placed on the scalp. This allows clinicians to identify abnormalities like seizures, brain injuries, or sleep disturbances. EEG recording is non-invasive and offers high temporal resolution, ideal for observing rapid changes in brain function.

EMG machines, by contrast, monitor muscle activity. They detect electrical impulses in response to nerve stimulation, helping identify conditions like carpal tunnel syndrome or muscular dystrophy. EMG involves inserting small electrodes into muscle tissue or applying surface electrodes, depending on the procedure.

While EEG systems are more relevant for conditions like epilepsy, EMG is tailored for assessing neuromuscular disorders.

Top Performance Features for EEG and EMG Systems

When choosing EEG or EMG systems, key features enhance accuracy and usability. For EEG machines, look for models with high channel counts to support multi-site EEG recording and detect complex brain wave patterns. Sleep EEG studies may also require long-duration capabilities and portable systems for overnight monitoring. Ambulatory EEG units are ideal for extended outpatient testing, giving flexibility and comfort to patients.

Advanced EEG systems should include user-friendly interfaces, real-time EEG data display, and software that supports artifact filtering and automated event marking. For EMG, essential features include multiple input channels, customizable stimulation settings, and integration with nerve conduction testing. Systems that synchronize with imaging or video provide additional value during detailed evaluations. Compatibility with cloud storage, remote access, and EMR systems improves diagnostic workflows and data sharing across departments.

Maintaining and Calibrating EEG / EMG Machines

Maintaining EEG and EMG machines is crucial for performance and patient safety. Routine calibration ensures accurate signal readings, especially vital for EEG tests detecting subtle brain wave patterns or EMG procedures measuring muscle responsiveness. Regular cleaning of EEG electrodes and cable checks helps reduce noise interference and extend equipment life.

It’s also important to follow manufacturer guidelines for software updates and data security, especially for units storing sensitive patient records. For sleep EEG and ambulatory EEG units, verify battery health, memory capacity, and proper charging cycles to avoid disruptions. Clinical teams should document all calibration efforts and schedule periodic inspections, ideally in partnership with biomedical technicians.

Preventive maintenance reduces equipment downtime, supports regulatory compliance, and protects the integrity of EEG signals and EMG recordings in fast-paced clinical practice.

Understanding Cost Implications

The cost of EEG and EMG machines varies widely based on capabilities, channel count, brand, and whether the equipment is new or refurbished. Entry-level EEG machines for routine EEG tests may start around $5,000–$10,000, while advanced EEG systems with long-term monitoring and video integration can exceed $25,000. Ambulatory EEG units also vary, depending on battery life, channel support, and wireless features.

EMG devices with nerve conduction capabilities and dual-mode support typically range from $10,000 to $30,000. Additional costs may include EEG electrodes, data management software, training, and servicing. Long-term value comes from selecting equipment suited to your clinical practice, with features that support your diagnostic volume.

Refurbished systems offer cost savings without sacrificing performance — a smart choice for clinics managing budgets while aiming to provide high-quality neurological care.

Frequently Asked Questions

What is better, MRI or EEG? +

MRI and EEG serve different diagnostic needs. EEG records real-time brain wave activity, making it ideal for detecting seizures, sleep disorders, or monitoring brain function in critical care. MRI offers detailed structural imaging of the brain, helping detect tumors, bleeding, or damage. The better option depends entirely on what condition or concern a clinician needs to investigate.

What does the EEG machine do? +

An EEG machine monitors and records the brain’s electrical activity through electrodes placed on the scalp. It captures EEG signals to detect brain wave abnormalities, aiding in diagnosing epilepsy, sleep disorders, and other neurological conditions. EEG systems help clinicians interpret brain function patterns, track progress, and adjust treatments, especially in settings involving brain injuries or medically induced coma cases.

How much does an EMG device cost? +

EMG machines can range from $10,000 to over $30,000, depending on features, channel count, and whether the system includes nerve conduction testing capabilities. Portable EMG units and refurbished systems tend to cost less, offering flexibility for smaller practices. Additional expenses may include accessories, software licensing, maintenance plans, and training.

What types of EMG machines do we offer? +

reLinkOnline offers a variety of EMG machines designed for both inpatient and outpatient clinical settings. Our inventory includes multi-channel systems, portable EMG units, and models with integrated nerve conduction studies. All new and refurbished EMG machines meet high standards for signal accuracy and reliability, making them a strong fit for neurologists and health care providers treating muscular or nerve-related disorders.

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From amplifiers to sleep systems to EMG machines, we have the new, used and refurbished medical devices your organization needs. Whether you need a wide range of used medical equipment or are looking for medical equipment for sale, browse our site now for a wide range of products and models from the world’s most trusted manufacturers, including Natus, Cadwell, Nihon Kohden, Philips Respironics, Viasys, Compumedics, and more.

Whether you need to upgrade equipment or find quality used EEG equipment for sale, shop reLink Medical now for one of the widest selections in the industry.