According to our (Global Info Research) latest study, the global Small Capacitance Diaphragm Vacuum Gauges market size was valued at US$ 136 million in 2025 and is forecast to a readjusted size of US$ 205 million by 2032 with a CAGR of 6.0% during review period.
In 2025, global Small Capacitance Diaphragm Vacuum Gauge sales reached approximately 128,995 Units, with an average global market price of around US$ 1,025 per Unit.
Small Capacitance Diaphragm Vacuum Gauge (CDG) is a high-accuracy absolute pressure (vacuum) instrument that measures pressure by detecting changes in capacitance caused by the deflection of a thin diaphragm. The sensor typically consists of a flexible metal/ceramic diaphragm and a fixed electrode forming a capacitor; as gas pressure varies, the diaphragm deflects slightly, changing the capacitance, which is then converted into a pressure reading. Because the measurement is fundamentally based on mechanical deflection and capacitance rather than gas-dependent ionization effects—and often enhanced by temperature control/compensation to stabilize diaphragm properties—CDGs provide excellent stability, repeatability, and high resolution in the low-pressure range with relatively low sensitivity to gas species. They are widely used in semiconductor vacuum processes, thin-film deposition, etching, vacuum furnaces, and other high-purity vacuum systems for process monitoring and control.
CDGs are typically produced under a "core in-house + standardized outsourcing" precision-manufacturing model. Critical sensor elements—diaphragm/electrode geometry, hermetic vacuum sealing (weld/braze), and heated temperature control/compensation modules—are commonly developed and manufactured in-house to secure key specs such as zero stability, temperature coefficient, and long-term drift. In contrast, machined housings, standard vacuum fittings, and selected PCB/cable assemblies are often outsourced to qualified suppliers. Production is usually high-mix/low-volume, with a process chain spanning precision machining and ultrapure cleaning, cleanroom assembly, helium leak testing, thermal aging, segmented multi-point calibration, final consistency verification, and metrology traceability control. The main defensibility is built around "seal integrity + calibration capability + batch-to-batch consistency." Indicative gross margins typically fall in the ~40%–60% range; premium semiconductor-grade CDGs (low drift, heated designs, ultra-clean requirements) and strong brand/service offerings can trend higher. When calibration, repair, and spare parts/services are included, blended gross margins often improve further. In the value chain, upstream includes diaphragm films and precision metals, ceramics/insulators, glass-to-metal seals and brazing materials, elastomer/metal seals, and temperature-control and measurement electronics. Midstream covers sensor fabrication, clean assembly, and calibration/metrology. Downstream demand is driven by semiconductor vacuum processes (deposition, etch, thermal steps), vacuum coating/display manufacturing, research vacuum systems, and vacuum furnaces—often complemented by recurring aftermarket revenue from calibration and maintenance services.
Market Development Opportunities & Main Driving Factors
As global wafer-fab and advanced-packaging build-outs accelerate, vacuum process platforms are allocating more budget to high-accuracy absolute pressure references—creating a direct tailwind for capacitance diaphragm vacuum gauges. With tighter process windows and increasing recipe complexity in deposition, etch, and thermal steps, chamber pressure stability and repeatability translate into yield and OEE outcomes, pushing downstream preferences from "works" to "high-stability, low-drift, and traceable." In annual reports, leading vendors repeatedly underline the strategic importance of their vacuum and pressure control solutions for semiconductor manufacturing, alongside sustained investment in product refresh, performance upgrades, and customer adoption. Combined with industrial policies and localization efforts in selected regions, premium metrology is increasingly shifting from an optional accessory to a mission-critical component, strengthening the long-term growth narrative.
Market Challenges, Risks, & Restraints
This market is tightly linked to semiconductor capex cycles, so demand swings can quickly affect order cadence and pricing. During downturns, customers may extend maintenance intervals and reduce spending on spares and upgrades, pressuring both revenue and margins. On the technical side, semiconductor-grade CDGs require long qualification cycles and tight process matching; any zero drift, contamination residue, or seal reliability issue can be perceived as a line-stop risk—forcing continuous investment in materials, clean manufacturing, batch consistency, calibration systems, and global service networks. External uncertainties include rising costs in critical materials and precision manufacturing, supply-chain disruptions, and intensified competition driven by localization, which may pull ASPs downward.
Downstream Demand Trends
Downstream procurement is evolving toward a dual-track pattern: standardized configurations through equipment OEMs, alongside more granular selection by fabs. OEM integration increasingly favors digital interfaces and system interoperability so pressure data can be embedded into tool control and closed-loop process analytics. Fabs, meanwhile, prioritize batch-to-batch consistency, long-term drift performance, and traceable calibration to reduce hidden risks from changeovers and maintenance. On the product side, heated designs, low-drift architectures, anti-contamination features, and higher-grade clean assembly are becoming mainstream upgrade directions. Commercially, revenue is shifting toward services—calibration, repair, spares, and process diagnostics—making “metrology capability + delivery and response speed” a core supplier threshold and gradually steering the industry from one-off product sales to a "product + services" value model.
This report is a detailed and comprehensive analysis for global Small Capacitance Diaphragm Vacuum Gauges market. Both quantitative and qualitative analyses are presented by manufacturers, by region & country, by Type and by Application. As the market is constantly changing, this report explores the competition, supply and demand trends, as well as key factors that contribute to its changing demands across many markets. Company profiles and product examples of selected competitors, along with market share estimates of some of the selected leaders for the year 2025, are provided.
Key Features:
Global Small Capacitance Diaphragm Vacuum Gauges market size and forecasts, in consumption value ($ Million), sales quantity (Units), and average selling prices (US$/Unit), 2021-2032
Global Small Capacitance Diaphragm Vacuum Gauges market size and forecasts by region and country, in consumption value ($ Million), sales quantity (Units), and average selling prices (US$/Unit), 2021-2032
Global Small Capacitance Diaphragm Vacuum Gauges market size and forecasts, by Type and by Application, in consumption value ($ Million), sales quantity (Units), and average selling prices (US$/Unit), 2021-2032
Global Small Capacitance Diaphragm Vacuum Gauges market shares of main players, shipments in revenue ($ Million), sales quantity (Units), and ASP (US$/Unit), 2021-2026
The Primary Objectives in This Report Are:
To determine the size of the total market opportunity of global and key countries
To assess the growth potential for Small Capacitance Diaphragm Vacuum Gauges
To forecast future growth in each product and end-use market
To assess competitive factors affecting the marketplace
This report profiles key players in the global Small Capacitance Diaphragm Vacuum Gauges market based on the following parameters - company overview, sales quantity, revenue, price, gross margin, product portfolio, geographical presence, and key developments. Key companies covered as a part of this study include MKS Instruments, INFICON, Atlas Copco (Leybold and Edwards), ZHENTAI INSTRUMENT, Chengdu Zhenghua Electronic Instrument, Setra Systems, Brooks Instrument, Azbil, Pfeiffer Vacuum+Fab Solutions (Busch), Horiba, etc.
This report also provides key insights about market drivers, restraints, opportunities, new product launches or approvals.
Market Segmentation
Small Capacitance Diaphragm Vacuum Gauges market is split by Type and by Application. For the period 2021-2032, the growth among segments provides accurate calculations and forecasts for consumption value by Type, and by Application in terms of volume and value. This analysis can help you expand your business by targeting qualified niche markets.
Market segment by Type
Unheated Type
Heated Type
Market segment by Scale Range
0.01-1 Torr
1-10 Torr
10-100 Torr
100-1000 Torr
More than 1000 Torr
Market segment by Measurement Principle
Absolute CDG
Differential CDG
Market segment by Diaphragm Material
Metal
Ceramic
Market segment by Application
Semiconductor Equipment
Photovoltaics and Displays
Medical and Pharmaceutical
Food Industry
Others
Major players covered
MKS Instruments
INFICON
Atlas Copco (Leybold and Edwards)
ZHENTAI INSTRUMENT
Chengdu Zhenghua Electronic Instrument
Setra Systems
Brooks Instrument
Azbil
Pfeiffer Vacuum+Fab Solutions (Busch)
Horiba
Canon Anelva
ULVAC
Chengdu Reborn
Agilent
Kurt J. Lesker
EBARA
Shanghai chenyi-pmi
ASAIR
Atovac
SATO VAC
Qingdao Xinnovis Microsystem Technology
VMT Instrument
Market segment by region, regional analysis covers
North America (United States, Canada, and Mexico)
Europe (Germany, France, United Kingdom, Russia, Italy, and Rest of Europe)
Asia-Pacific (China, Japan, Korea, India, Southeast Asia, and Australia)
South America (Brazil, Argentina, Colombia, and Rest of South America)
Middle East & Africa (Saudi Arabia, UAE, Egypt, South Africa, and Rest of Middle East & Africa)
The content of the study subjects, includes a total of 15 chapters:
Chapter 1, to describe Small Capacitance Diaphragm Vacuum Gauges product scope, market overview, market estimation caveats and base year.
Chapter 2, to profile the top manufacturers of Small Capacitance Diaphragm Vacuum Gauges, with price, sales quantity, revenue, and global market share of Small Capacitance Diaphragm Vacuum Gauges from 2021 to 2026.
Chapter 3, the Small Capacitance Diaphragm Vacuum Gauges competitive situation, sales quantity, revenue, and global market share of top manufacturers are analyzed emphatically by landscape contrast.
Chapter 4, the Small Capacitance Diaphragm Vacuum Gauges breakdown data are shown at the regional level, to show the sales quantity, consumption value, and growth by regions, from 2021 to 2032.
Chapter 5 and 6, to segment the sales by Type and by Application, with sales market share and growth rate by Type, by Application, from 2021 to 2032.
Chapter 7, 8, 9, 10 and 11, to break the sales data at the country level, with sales quantity, consumption value, and market share for key countries in the world, from 2021 to 2026.and Small Capacitance Diaphragm Vacuum Gauges market forecast, by regions, by Type, and by Application, with sales and revenue, from 2027 to 2032.
Chapter 12, market dynamics, drivers, restraints, trends, and Porters Five Forces analysis.
Chapter 13, the key raw materials and key suppliers, and industry chain of Small Capacitance Diaphragm Vacuum Gauges.
Chapter 14 and 15, to describe Small Capacitance Diaphragm Vacuum Gauges sales channel, distributors, customers, research findings and conclusion.
Summary:
Get latest Market Research Reports on Small Capacitance Diaphragm Vacuum Gauges. Industry analysis & Market Report on Small Capacitance Diaphragm Vacuum Gauges is a syndicated market report, published as Global Small Capacitance Diaphragm Vacuum Gauges Market 2026 by Manufacturers, Regions, Type and Application, Forecast to 2032. It is complete Research Study and Industry Analysis of Small Capacitance Diaphragm Vacuum Gauges market, to understand, Market Demand, Growth, trends analysis and Factor Influencing market.