Sdi Diagnostic
SDI Diagnostics is a privately held, Massachusetts-based manufacturer of spirometry equipment and pulmonary function testing consumables, serving US hospitals, occupational health clinics, and physician offices since 1978.
- Company typePrivate
- Founded1978
- HeadquartersEaston, United States
- Headcount1–10
- GTM typeB2B
- OfferingHardware or Manufacturing
What Sdi Diagnostic does
SDI Diagnostics, Inc. is a privately held Massachusetts corporation founded in 1978 that designs, manufactures, and distributes spirometry equipment and pulmonary function testing (PFT) supplies. The company operates from a single facility in Easton, Massachusetts, where most products are made, and sells primarily to US healthcare buyers through a distributor network supplemented by direct sales support and an e-commerce-enabled website. Its customer base spans hospitals, occupational health clinics, physician offices, nursing homes, and ambulatory surgery centers, addressing the detection and monitoring of COPD and other respiratory conditions plus the prevention of cross-contamination during spirometry testing.
The product portfolio centers on three Astra-branded spirometers (Astra BT, Astra 300, AstraTouch), the AstraPro spirometry software platform (real-time graphics, pediatric incentive displays, lung age estimation, SQL database, EMR export), and a broad consumables line that includes bacterial/viral filters (AstraGuard, Filtrette, PulmoGuard series) at 99.999% cross-contamination efficiency, multiple mouthpiece families (Accurette, AirTube, Spirotube, Comfit, Mini, Safe-t-Chek, SmartSense), nose clips, calibration syringes, and thermal printer rolls. All disposables are FDA-registered, filters meet ATS/ERS standards, and the consumable lines are explicitly engineered for compatibility with the installed bases of ndd, Midmark, Vitalograph, and KoKo spirometers without voiding OEM warranties.
Revenue is generated through three streams: one-time hardware sales of Astra spirometers, recurring consumable sales (filters, mouthpieces, nose clips, calibration supplies) that drive repeat purchases from an established customer base, and one-time software licenses for AstraPro. Pricing is publicly disclosed on consumable SKUs with volume tiers (e.g., 50/box vs. 200/case) and value-based positioning on best-quality-at-lowest-price. The company is independently operated with no disclosed investors, no parent company, no funding history, and no acquisitions, and it markets via its own website and LinkedIn presence supported by product registration and technical support channels.
Sdi Diagnostic firmographics
Firmographics- Name
- Sdi Diagnostic
- Legal name
- SDI Diagnostics, Inc.
- Website
- https://sdidiagnostics.com
- Company type
- Private
- Founded year
- 1978
- Operating status
- Operating
- Headcount range
- 1–10 employees
- Short description
- SDI Diagnostics is a privately held, Massachusetts-based manufacturer of spirometry equipment and pulmonary function testing consumables, serving US hospitals, occupational health clinics, and physician offices since 1978.
- Ownership category
- akta.pro rank
Sdi Diagnostic industry classification
Industry- Product category
- Spirometry and Pulmonary Function Testing Equipment
- NAICS
- Analytical Laboratory Instrument Manufacturing (334516), Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers (423450)
- SIC
- Surgical & Medical Instruments & Apparatus (3841), Wholesale-Medical, Dental & Hospital Equipment & Supplies (5047)
- akta.pro primary industry
- Pulmonary Function Testing (PFT) & Spirometry Equipment (HLAHAGAH)
- akta.pro secondary industry
- Blood Oxygen & Respiratory Monitoring (Pulse Oximetry, Capnography, Spirometry) (HLAHACAD)
Keywords
Where Sdi Diagnostic is headquartered
LocationHeadquarters
- HQ city
- Easton
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
Sdi Diagnostic business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Operations, Supply Chain, Personnel, Marketing or Sales, Technology or R&D, Infrastructure
Revenue model
- Spirometer Equipment Sales: Sale of spirometry equipment including Astra BT, Astra 300, and AstraTouch spirometers. One-time hardware sales with software included or sold separately.
- Filter and Consumable Sales: Recurring sales of PFT/spirometry filters (AstraGuard, Filtrette, PulmoGuard series), mouthpieces, nose clips, and calibration supplies. Consumable products drive repeat purchases from established customer base.
- Software Licenses: AstraPro spirometry software sold with manuals for Astra 200, 300, and AstraTouch spirometers. Available as CD or download.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Unit Pricing | Pay-as-you-go | Accurette Mouthpiece 50/Box |
| Unit Pricing | Pay-as-you-go | Accurette Mouthpiece 200/Case |
| Unit Pricing | Pay-as-you-go | AirTube Mouthpiece 200/Box |
| Unit Pricing | Pay-as-you-go | Calibration Syringe 3L with Adapter for Astra |
Go-to-market motion1 record
Distribution channels3 records
Marketing channels4 records
Sdi Diagnostic product offering
Product offeringCore offering
SDI Diagnostics, Inc. manufactures and supplies spirometry equipment and consumables for pulmonary function testing, including its own line of Astra spirometers (Astra BT, Astra 300, AstraTouch), an extensive portfolio of bacterial/viral filters and filtered mouthpieces (AstraGuard, Filtrette, PulmoGuard, Accurette, AirTube series), complementary disposables such as nose clips, calibration syringes, and printer rolls, and the AstraPro spirometry software. The portfolio is designed for compatibility with leading spirometer brands including ndd, Midmark, Vitalograph, and KoKo, and targets hospitals, occupational health clinics, physician offices, nursing homes, and surgery centers performing respiratory diagnostics.
Product overview
SDI Diagnostics is a manufacturer and supplier of spirometry equipment and supplies for pulmonary function testing. The company offers a portfolio of three Astra spirometer devices (Astra BT, Astra 300, and AstraTouch), an extensive line of PFT/spirometry filters including AstraGuard, Filtrette, and PulmoGuard variants, various mouthpieces (Accurette, AirTube, Spirotube, Comfit, Mini Mouthpiece, Safe-t-Chek, SmartSense), nose clips (Kushion Klip, Sofsnug, KLIP), calibration syringes, and printer rolls. Their products are designed to be compatible with ndd, Midmark, Vitalograph, Morgan, and KoKo spirometers. The company also offers AstraPro software for data management and analysis. Most products are made in the USA at their Massachusetts facility.
Differentiator
Problem solved
Functional benefit
Products and services
- Astra BT Spirometer Spirometer device for pulmonary function testing, compatible with SDI filters and accessories; for hospitals, occupational health clinics, and physician offices.
- Astra 300 Spirometer Spirometer device for pulmonary function testing with advanced measurement capabilities; designed for healthcare providers performing respiratory diagnostics.
- AstraTouch Spirometer Touchscreen spirometer device for pulmonary function testing with intuitive interface; for healthcare facilities performing respiratory testing.
- AstraPro Spirometry Software Spirometry software for Astra 200, 300 and AstraTouch Spirometers with real-time graphics display, pediatric incentive displays, lung age estimation, SQL database, and EMR export (PDF, Excel, XML, HTML); for pre/post bronchodilation and bronchoprovocation testing in clinical settings.
- AstraGuard Filters Bacterial and viral filter for spirometry testing designed to prevent cross-contamination between patients; FDA-registered disposable for use with Astra spirometers.
- Filtrette Filters One-piece filtered mouthpiece alternate to ndd Spirette, offering 99.9% bacterial and viral protection; FDA-registered disposable for ndd EasyOne and EasyOn spirometers.
- PulmoGuard Filters Bacterial and viral filter line for spirometry with 99.999% cross-contamination efficiency meeting ATS/ERS standards; FDA-registered disposable filter family for multiple spirometer brands.
- Accurette Mouthpiece Replacement mouthpiece for ndd Spirette, FDA approved and designed to fit every spirometer with accuracy confirmed by ndd calibration check; no adapters required.
- AirTube Mouthpiece Alternative mouthpiece to ndd FlowTube for ndd EasyOne Air and EasyOne Sky spirometers with low resistance and comfortable oval design; prevents cross-contamination and ensures accurate test results.
- Spirotube Mouthpieces Disposable cardboard and plastic mouthpieces for spirometry testing; cost-effective consumable supply for high-volume clinical use.
- Calibration Syringe, 3 Liter 3-liter calibration syringe designed for spirometer calibration checks; Made in America, available with adapter for Astra spirometers.
- Nose Clips for Spirometry Comfortable disposable nose clips (Kushion Klip, Sofsnug, KLIP) for spirometry tests; ensures patient nasal occlusion during pulmonary function testing.
- Printer Rolls for Spirometers Thermal printer rolls designed for SDI AstraTouch and KoKo spirometers; consumable supply for test result printing.
Quantifiable outcome
- 99.999% cross-contamination efficiency
- +1 more outcomes
Companies that use Sdi Diagnostic
Customer profileSegments5 records
Ideal customer profiles3 records
Sdi Diagnostic technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature5 records
Sdi Diagnostic partnerships and signals
Strategic signalPartnerships
One partnership is on record.
- ndd MedizintechnikcoreSDI Diagnostics products are designed for compatibility with ndd EasyOne spirometers. Accurette mouthpiece is an alternate to ndd Spirette; AirTube is an alternate to ndd FlowTube. Products carry ndd calibration check confirmation and do not affect ndd spirometer warranties. SDI is not affiliated with or endorsed by ndd.
Scale indicators4 records
Recent moves5 records
Expansion highlights4 records
Sdi Diagnostic competitors and assessment
Company assessmentDirect peers
- Midmark: US medical equipment manufacturer offering IQspiro digital spirometers. SDI makes SmartSense disposable mouthpieces and filter kits specifically for Midmark spirometers, creating direct overlap in the US primary care and occupational health market.
- COSMED: Italy-based manufacturer of metabolic and pulmonary function testing equipment. Direct competitor in the professional spirometry and PFT equipment market globally.
- Morgan Scientific: US manufacturer of PFT and spirometry equipment including the ComPAS and other pulmonary function systems. SDI designs compatible filter products for Morgan spirometers, indicating direct market overlap.
- ndd Medizintechnik: Swiss manufacturer of EasyOne and other ultrasonic spirometers. Directly comparable hardware competitor; SDI's Accurette and AirTube mouthpieces are designed as compatible aftermarket alternatives to ndd's Spirette and FlowTube consumables.
- nSpire Health (KoKo): Manufacturer of KoKo spirometers and PFT systems. SDI produces PulmoGuard K filters specifically for KoKo platforms, indicating direct competition and a complementary consumable relationship.
- MGC Diagnostics: US manufacturer of cardiopulmonary diagnostic equipment including PFT systems. Direct competitor in the pulmonary function testing equipment market, particularly for hospital and clinical pulmonary labs.
- Vitalograph: UK-based spirometry equipment manufacturer producing Alpha, Compact, and Pneumotrac spirometers. SDI designs dedicated PulmoGuard filter variants for Vitalograph platforms, making it a direct competitor and complementary consumable supplier.
Broad incumbents
- Vyaire Medical: Global respiratory and anesthesia equipment manufacturer offering a broad portfolio that includes spirometry and PFT systems. Competes with SDI indirectly via larger hospital PFT equipment installations and consumables.
- Schiller Americas: Swiss manufacturer of cardiopulmonary diagnostics including spirometry devices. Operates as a broader medical device player with spirometry as one of several diagnostic categories, competing for hospital procurement budgets.
- Becton Dickinson (BD): Large diversified medical device and diagnostics company. While not a dedicated spirometry specialist, BD operates broadly in respiratory diagnostics, medical consumables, and hospital supply categories where SDI competes.
Market position
Strengths4 records
Weaknesses4 records
Competitive moat5 records
Key risks6 records
Key highlights7 records
Customer concentration
Sdi Diagnostic social profiles
Digital presenceSdi Diagnostic compliance and trust
Trust signalCompliance2 records
Sdi Diagnostic financial estimates
Financial estimateRevenue estimate
Valuation estimate
Sdi Diagnostic leadership team
Management profileNumber of profiles
Sdi Diagnostic funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Sdi Diagnostic M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Sdi Diagnostic
What does Sdi Diagnostic do?
SDI Diagnostics, Inc. manufactures and supplies spirometry equipment and consumables for pulmonary function testing, including its own line of Astra spirometers (Astra BT, Astra 300, AstraTouch), an extensive portfolio of bacterial/viral filters and filtered mouthpieces (AstraGuard, Filtrette, PulmoGuard, Accurette, AirTube series), complementary disposables such as nose clips, calibration syringes, and printer rolls, and the AstraPro spirometry software. The portfolio is designed for compatibility with leading spirometer brands including ndd, Midmark, Vitalograph, and KoKo, and targets hospitals, occupational health clinics, physician offices, nursing homes, and surgery centers performing respiratory diagnostics.
Is Sdi Diagnostic a public or private company?
Sdi Diagnostic is a private company. It is classified as unknown and is currently operating.
When was Sdi Diagnostic founded?
Sdi Diagnostic was founded in 1978. It employs 1 to 10 people.
Where is Sdi Diagnostic based?
Sdi Diagnostic is headquartered in Easton, United States, in the North America region.
How does Sdi Diagnostic make money?
Three revenue lines are on record. Spirometer Equipment Sales are the primary driver. The others are filter and Consumable Sales and software Licenses.
Who are Sdi Diagnostic's main competitors?
Direct peers on record are Midmark, COSMED, Morgan Scientific, ndd Medizintechnik, nSpire Health (KoKo), MGC Diagnostics and Vitalograph. Broad incumbents are Vyaire Medical, Schiller Americas and Becton Dickinson (BD).
Does Sdi Diagnostic have an API?
No public API is recorded for Sdi Diagnostic.
What industry is Sdi Diagnostic in?
Sdi Diagnostic's product category is Spirometry and Pulmonary Function Testing Equipment. Its primary akta.pro industry code is HLAHAGAH, Pulmonary Function Testing (PFT) & Spirometry Equipment, with a secondary code of HLAHACAD, Blood Oxygen & Respiratory Monitoring (Pulse Oximetry, Capnography, Spirometry). Its NAICS code is 334516 and its SIC code is 3841.