ADVANCED ACCELEROMETER SOLUTIONS
M

SDI 2012 & 2422 SPECIALTY +5V ACCELEROMETERS

Industrial test and measurement accelerometers with low power draw, ultra-low noise, and long-term reliability.

MODEL 2422 3-AXIS MODULE

Meet the 2012 & 2422: Reliable, Low-Power Performance for Demanding Environments

The SDI Models 2012 (1-axis) and 2422 (3-axis) MEMS DC Accelerometers are purpose-built for systems that operate on constrained power supplies or demand a stable +5V excitation. With low-noise accelerometer designs and a rugged aluminum case, these modules are a top choice for test and measurement professionals.

Key Features And Use Cases

Key Performance Features
  • Low Noise: 10 μg/√Hz Typical for ±2g Full Scale Versions
  • -55 to +125°C Operating Temperature Range 
  • +5 VDC Power for Low Voltage Power Supply Systems
  • Excellent Long-Term Stability
  • ±4V Differential Output or 0.5V to 4.5V Single Ended Output
  • Responds to frequencies from zero (DC) to 2000+ Hz
  • Integrated Shielded Cable
  • Simple Four (4) or Eight (8) Wire Connections
  • Rugged Anodized Aluminum Case
  • Fully Calibrated and Serialized for Traceability
Applications
  • Robotics
  • Seismic Monitoring
  • Tilt Sensing
  • Vibration Analysis
  • Automotive Testing
  • Impact Sensing
  • Instrumentation
  • Monitoring
  • OEM Integration

Related Products

1-Axis
3-Axis
Surface Mount

Looking for alternate versions?

Click Here
Download Data Sheet
Place An Order

Low Power, Signal Clarity, and Reliable Performance

The SDI 2012 and 2422 modules deliver reliable performance on limited power, exceptional signal quality, and long-term durability, making them a dependable choice for engineers operating in precision-critical environments.

Low Power, High Precision

The SDI 2012 and 2422 modules are ideal for installations where power is at a premium. With a steady +5V supply, these test and measurement MEMS DC accelerometers operate efficiently without sacrificing data quality, making them a smart fit for embedded or mobile applications where consistent performance is critical.

Exceptional Signal Quality

These low noise accelerometers offer 10 μg/√Hz performance at ±2g, ensuring accurate and clean data output even in high-vibration or fast-response environments. Whether monitoring subtle tilts or sharp impacts, the signal remains stable, linear, and clear across the full operating range.

Compare Specifications

Access the complete technical specs for the 2012 & 2422 accelerometers, including g-range options, frequency response, sensitivity, and shock ratings.
g Range Sensitivity,
Differential		 Frequency
Response
(Typ, 3 dB)		 Frequency
Response
(Min, 3 dB)		 Frequency
Response
(Typ, 5%)		 Output Noise,
Differential
(RMS, Typ)		 Max. Mechanical
Shock (0.1 ms)
g mV/g Hz Hz Hz μg/(root Hz) g (peak)
±2 2000 0 – 525 0 – 300 0 – 250 7 2000
±5 800 0 – 800 0 – 420 0 – 400 12 2000
±10 400 0 – 1100 0 – 660 0 – 700 18 5000
±25 160 0 – 1750 0 – 1050 0 – 1300 25 5000
±50 80 0 – 2100 0 – 1400 0 – 1600 50 5000
±100 40 0 – 3000 0 – 1700 0 – 1700 100 5000
±200 20 0 – 3600 0 – 2100 0 – 1900 200 5000
±400 10 0 – 4200 0 – 2400 0 – 2000 400 5000

The 2012 features a 10’ integrated cable and the 2422 is built with an integrated 3’ cable. Both models feature one (1) or three (3) hermetically sealed, low noise SDI surface mount accelerometers, which are individually tested, programmed, and calibrated by SDI.

The cable’s shield is electrically connected to the case while the ground (GND) wire is isolated from the case. The robust, anodized aluminum case is epoxy sealed and can be mounted easily via two screws, an adhesive, or by attaching a magnet.

Need Help Choosing the Right Accelerometer?

Not sure which accelerometer fits your project? Talk to an SDI expert today. Our sales engineers provide quick, same-day replies whenever possible and offer tailored support to help you solve your sensing challenges.
Speak with SDI

Performance and Packaging

Compact and robust, both models are available in anodized aluminum enclosures designed for easy installation. The integrated cable and rugged case support both adhesive and mechanical mounting to meet your project’s needs.

SDI Model 2012 accelerometer cases

SDI Model 2012 accelerometer cases

SDI Model 2422 accelerometer cases

SDI Model 2012 accelerometer cases

Performance – All Versions

All Models: Unless otherwise specified, Vs=+8 to +32 VDC, TC=25°C, Differential Mode. Span = ±g range = 8000 mV.

PARAMETER MIN TYP MAX UNITS
Bias Calibration Error (%) 0.25 0.6 ± % of span
Bias Calibration Error (mV) 25 60 ± mV
Scale Factor Calibration Error 1 0.5 1.25 ± %
Non-Linearity (-90 to +90% of span) 1 0.15 0.5 ± % of span
Bias Temperature Shift (Coefficient) -200 0 +200 (PPM of span)/°C
Scale Factor Temperature Shift (Coefficient) -200 0 +200 PPM/°C
Cross Axis Sensitivity 2 3 ± %
Power Supply Rejection Ratio 50 >65 dB
Output Impedance (2012 / 2422) 90 / 1 Ω
Output Common Mode Voltage 2.5 VDC
Operating Voltage 4.75 5 5.25 VDC
Operating Current (AOP & AON open) (2012 / 2422) 8 / 21 10 / 30 mA DC
Operating Temperature -55 +125 °C
Mass 2012 / 2422 (not including cable) 8 / 21 grams
Cable Mass (3’ integrated cable, 2012 / 2422) 14 / 25 grams/meter

Note (1): For 2g thru 50g only; 100g and greater versions are tested and specified from -65 to +65g.

NOTICE: Stresses greater than those listed may cause permanent damage to the device. These are maximum stress ratings only. Functional operation of the device at or above these conditions is not implied.

Operational Highlights

SDI Models 2012 and 2422 MEMS DC Accelerometers provide optimal performance when they are connected to instrumentation in a differential configuration using both the AOP and AON output signals, but they also support single ended operation for complete flexibility.

These accelerometers produce differential analog output voltage pairs (AON & AOP) which vary with acceleration. The signal outputs are fully differential about a common mode voltage of approximately 2.5 volts. At zero acceleration, the output differential voltage is nominally 0 volts DC; at full scale acceleration, the output is ±4 volts DC, respectively, as shown in the figure. The output scale factor is independent from the supply voltage of +5 volts.

When a differential connection is not possible, SDI recommends connecting the accelerometer to instrumentation in single ended mode by connecting AOP and GND to the instrumentation and leaving AON disconnected. The signal to noise ratio and sensitivity are reduced by half for a single-ended vs. a differential connection.

Request A Quote

Frequently Asked Questions

Here are some of the most common questions we get about our MEMS accelerometers, and the answers that can help you move forward with confidence. For an extensive list, please visit our FAQ page.
Why does the accelerometer read zero G's when it's in free fall?

All accelerometers are used to measure increasing or decreasing acceleration, and they can detect vibration because it is a change in acceleration between multiple directions. Free fall, by definition, is a static acceleration, which means the object may be moving, but its acceleration is not changing at all. SDI’s MEMS DC accelerometer technology allows it to measure free fall because it doesn’t require any change of acceleration to supply data, and therefore it will report back 0g of acceleration.

How do I choose the right g-range for my application?

The g-range of your accelerometer should match the maximum acceleration your system is expected to experience—but avoid going unnecessarily high. Selecting too high of a g-range can reduce measurement clarity, while too low of a range can cause the sensor to saturate if the acceleration exceeds its limit. Also consider the frequency response. Each Silicon Designs sensor has a MEMS sense element tuned to its specific g-range, which affects its frequency range and noise profile. Be sure to check the product datasheet or visit our How To Choose Your Accelerometer guide for more detailed recommendations. You can also reach out to our team for help identifying the best fit for your application.

My accelerometer appears to be broken. When I place it on the desk with the lid facing up, it reads +1G. How do I fix this?

SDI’s MEMS DC accelerometers are designed to respond to the Earth’s gravity. If you are on Earth, then you are in a +1g gravitational field. Turn the device over and you will see a -1g reading, which you can use to perform your own bias calibration of the device. Visit our Technology page to learn more about how SDI’s accelerometers work. Also see the How to Calibrate Your Accelerometer page for how to use this feature for self-calibration.

Do I need a charge amplifier or signal conditioning to use my Silicon Designs MEMS DC accelerometer module?

All Silicon Designs MEMS DC accelerometers feature integrated amplifiers, so an additional one is not required. Signal conditioning is optional.

Are Silicon Designs plug-&-play MEMS DC accelerometer modules waterproof? What is their IP designation?

While all modules are considered weatherproof, only Models 2240 and 2480 may be used while submerged. We recommend the protection of the connector from exposure. Please Contact Us prior to use, and we’ll walk you through the process. The IP designation of the other modules is IP61.

Optional Accessories

Silicon Designs offers a range of accessories designed to streamline installation, configuration, and testing. These include calibrated test sets, mounting blocks, and connector-ready adaptors, each built to support our accelerometers and extend their functionality with minimal added cost.
MODEL 2230 3-AXIS MOUNTING BLOCK

MODEL 2230 3-AXIS MOUNTING BLOCK
  • INFO
The 1.25" cube-shaped Model 2230 Triaxial Accelerometer Mounting Block provides a lower-cost alternative for the configuration of a custom orthogonal two- or three-axis accelerometer.
  • Rugged, black anodized, precision-machined 6061-T6 aluminum construction
  • Block mass = 79 grams
Explore Product
MODEL 2232 MAGNETIC MOUNTING BLOCK

MODEL 2232 MAGNETIC MOUNTING BLOCK
  • INFO
The 0.385" thick Model 2232 Magnetic Mounting Block attaches any Silicon Designs MEMS DC accelerometer module onto a flat, ferrous metal surface. The mount has been evaluated for up to +/50G, is rated with 10 lbs / 4.6 KG pull force, and performance is dependent on the quality of the mounting surface.
  • Rugged blue anodized aluminum construction
  • Block mass = 23 grams
Explore Product
MODEL 2235 1-AXIS STUD MOUNT BLOCK

MODEL 2235 1-AXIS STUD MOUNT BLOCK
  • INFO
The 0.25" thick Model 2235 Stud Mount Adaptor Block converts any Silicon Designs MEMS DC accelerometer module into a stud-mounted, single screw attachment for your test fixture.
  • Rugged black anodized aluminum construction
  • Block mass = 6.2 grams
Explore Product

Explore Other Options

Need more power flexibility or specialized performance? SDI offers several alternatives:
  • Model 2210, 2260, 2266: Universal single-axis MEMS accelerometers for +8V to +32V input.
  • Model 2460, 2466: Three-axis versions of the 2422 with a flexible +8V to +32V input.
  • Model 2220, 2276, 2470, 2476: High-performance options with superior thermal stability for extreme environments.
MODEL 2210 1-AXIS MODULE

MODEL 2210 1-AXIS MODULE
  • INFO
  • STATS
  • APPLICATIONS
The 2210 is SDI's #1 selling 1-axis module. It's a rugged, low-cost workhorse in a traditional 1" square package with a 3' integrated cable. The 2210 is an excellent choice for most 1-axis test and measurement applications. The 2210 is fully potted for added resilience.
  • Power: +8 to 32 VDC
  • Output:
    • Differential: +/- 4 V
    • Single Ended: +0.5V to +4.5V
  • Connection: Integrated Cable
  • Mass: 10 grams
  • Package: Anodized Aluminum
  • Temperature: -55 to +125°C
  • Available:
    • 2g
    • 5g
    • 10g
    • 25g
    • 50g
    • 100g
    • 200g
    • 400g
  • rail monitoring
  • agricultural machinery testing
  • active suspension feedback system
  • validation testing
  • crash sled instrumentation
Explore Product
MODEL 2260 1-AXIS MODULE

MODEL 2260 1-AXIS MODULE
  • INFO
  • STATS
  • APPLICATIONS
The 2260 is the skinny version of the 2210 and the lowest mass module SDI builds. The 2260s are operationally identical to the 2210s, but they are built into small footprint packages for use in tight spaces or lightweight applications. They come with an integrated 3' cable and are fully potted.
  • Power: +8 to 32 VDC
  • Output:
    • Differential: +/- 4 V
    • Single Ended: +0.5V to +4.5V
  • Connection: Integrated Cable
  • Mass: 6 grams
  • Package: Anodized Aluminum
  • Temperature: -55 to +125°C
  • Available:
    • 2g
    • 5g
    • 10g
    • 25g
    • 50g
    • 100g
    • 200g
    • 400g
  • interactive theater seat controls
  • ride comfort & NVH
  • crash test sleds
  • naval equipment development
  • lab equipment
Explore Product
MODEL 2266 1-AXIS MODULE

MODEL 2266 1-AXIS MODULE
  • INFO
  • STATS
  • APPLICATIONS
The 2266 has the same footprint as a 2260 to accommodate tight spaces but has a connector for easy repositioning and quick cable change-outs. They are fully potted yet remain lightweight.
  • Power: +8 to 32 VDC
  • Output:
    • Differential: +/- 4 V
    • Single Ended: +0.5V to +4.5V
  • Connection: Connector
  • Mass: 8 grams
  • Package: Anodized Aluminum
  • Temperature: -55 to +125°C
  • Available:
    • 2g
    • 5g
    • 10g
    • 25g
    • 50g
    • 100g
    • 200g
    • 400g
  • Heavy machinery vibration
  • Autonomous vehicle development
  • Automotive system tuning
  • Structural impact detection
  • Consumer product R&D
Explore Product
MODEL 2460 3-AXIS MODULE

MODEL 2460 3-AXIS MODULE
  • INFO
  • STATS
  • APPLICATIONS
The 2460 is SDI's #1 selling 3-axis module. It's an excellent rugged, low-cost choice for most 3-axis test and measurement applications. It's built to provide the answers you need without making you pay for the extra frills you don't.
  • Power: +8 to 32 VDC
  • Output:
    • Differential: +/- 4 V
    • Single Ended: +0.5V to +4.5V
  • Connection: Integrated Cable
  • Mass: 30 grams
  • Package: Anodized Aluminum
  • Temperature: -55 to +125°C
  • Available:
    • 2g
    • 5g
    • 10g
    • 25g
    • 50g
    • 100g
    • 200g
    • 400g
  • rail & truck testing
  • bridge monitoring
  • seismic building monitoring
  • pipeline bogie sensor
  • robot R&D
Explore Product
MODEL 2466 3-AXIS MODULE

MODEL 2466 3-AXIS MODULE
  • INFO
  • STATS
  • APPLICATIONS
The 2466 is SDI's super-portable version of the 2460. Built with identical internal components for the same cost savings and reliable performance, but the 2466's connector allows for easy repositioning and quick cable change-outs.
  • Power: +8 to 32 VDC
  • Output:
    • Differential: +/- 4 V
    • Single Ended: +0.5V to +4.5V
  • Connection: Connector
  • Mass: 30 grams
  • Package: Anodized Aluminum
  • Temperature: -55 to +125°C
  • Available:
    • 2g
    • 5g
    • 10g
    • 25g
    • 50g
    • 100g
    • 200g
    • 400g
  • Calibration lab reference sensor
  • Wind turbine sensor
  • Tunnel boring
  • Heavy machinery health monitoring
  • Electric tower design
Explore Product
MODEL 2220 1-AXIS MODULE

MODEL 2220 1-AXIS MODULE
  • INFO
  • STATS
  • APPLICATIONS
The 2220 is SDI's upgraded version of the 2210. They use SDI's 1522 accelerometers, which are individually temperature tested and screened to provide half the bias and scale factor over temperature, and then potted in the case. Use the 2220 if your application involves rapid swings in temperature or long periods of time at the far ends of the range.
  • Power: +8 to 32 VDC
  • Output:
    • Differential: +/- 4 V
    • Single Ended: +0.5V to +4.5V
  • Connection: Integrated Cable
  • Mass: 10 grams
  • Package: Anodized Aluminum
  • Temperature: -55 to +125°C
  • Available:
    • 2g
    • 5g
    • 10g
    • 25g
    • 50g
    • 100g
    • 200g
    • 400g
  • aircraft vibration testing
  • wind turbines
  • race car monitoring
  • aerial firefighting equipment
  • semi truck stability tests
Explore Product
MODEL 2276 1-AXIS MODULE

MODEL 2276 1-AXIS MODULE
  • INFO
  • STATS
  • APPLICATIONS
The high performance SDI Model 2276 is the single axis version of the 2476, built with upgraded SDI 1522 accelerometer chips to provide improved bias and scale factor temperature shift performance, and include an initial calibration certificate. Use the 2276 if your application involves rapid swings in temperature or long periods of time at the far ends of the range.
  • Power: +8 to 32 VDC
  • Output:
    • Differential: +/- 4 V
    • Single Ended: +0.5V to +4.5V
  • Connection: Connector
  • Mass: 8 grams
  • Package: Anodized Aluminum
  • Temperature: -55 to +125°C
  • Available:
    • 2g
    • 5g
    • 10g
    • 25g
    • 50g
    • 100g
    • 200g
    • 400g
  • Construction equipment vibration
  • Pipeline monitoring
  • Roadway evaluation
  • Automotive NVH
  • Coal mine structural monitoring
Explore Product
MODEL 2470 3-AXIS MODULE

MODEL 2470 3-AXIS MODULE
  • INFO
  • STATS
  • APPLICATIONS
SDI's upgraded SDI 1522 accelerometer chips provide the 2470 with improved performance in volatile or rapidly-changing temperature environments. Additional temperature testing on every unit confirms improved bias and scale factor temperature coefficients.
  • Power: +8 to 32 VDC
  • Output:
    • Differential: +/- 4 V
    • Single Ended: +0.5V to +4.5V
  • Connection: Integrated Cable
  • Mass: 30 grams
  • Package: Anodized Aluminum
  • Temperature: -55 to +125°C
  • Available:
    • 2g
    • 5g
    • 10g
    • 25g
    • 50g
    • 100g
    • 200g
    • 400g
  • helicopter resonance testing
  • automotive NVH
  • ride comfort
  • suspension design & test
  • flight data recording
Explore Product
MODEL 2476 3-AXIS MODULE

MODEL 2476 3-AXIS MODULE
  • INFO
  • STATS
  • APPLICATIONS
The high performance SDI Model 2476 is just like the 2470 but built with a connector for easy installation and cable replacement. It has the same upgraded SDI Model 1522 accelerometer chips inside for enhanced performance in more demanding temperature environments.
  • Power: +8 to 32 VDC
  • Output:
    • Differential: +/- 4 V
    • Single Ended: +0.5V to +4.5V
  • Connection: Connector
  • Mass: 30 grams
  • Package: Anodized Aluminum
  • Temperature: -55 to +125°C
  • Available:
    • 2g
    • 5g
    • 10g
    • 25g
    • 50g
    • 100g
    • 200g
    • 400g
  • MWD equipment vibration
  • Aerospace prototype development
  • Oil rig platform sensor
  • High reliability product R&D
  • Low altitude drop testing
Explore Product
Sales and Support

Reliable Customer Support from Start to Finish

Choosing the right accelerometer is critical. Our team supports its customers from selection through integration. Whether you need assistance with technical specifications, compliance requirements, or bulk order pricing, we are here to help.
Contact Sales and Support
Get a Quote

Our sales team is available to assist with pricing, lead times, and customized solutions tailored to your specific needs. We work closely with you to ensure you get the best accelerometer solution for your application.

Request a Quote

Order Now

With a streamlined ordering process and secure procurement options, placing an order with SDI is simple and efficient. Our commitment to fast processing ensures minimal downtime for your projects.

Order on Digikey

Tech Support

From initial setup to ongoing performance optimization, our technical support team provides expert guidance to ensure proper integration and reliable sensor operation.

Contact our Tech Team

Our Distributors

Our experienced U.S. sales representatives provide direct assistance for domestic customers, ensuring a smooth procurement process with personalized service. International customers can rely on our global distributor network for localized support, timely deliveries, and expert guidance in their regions.

View US Distributers

View International Distributors

Sign Up For Our Newsletter

Sign up for our newsletter to receive the latest insights on sensor technology, industry trends, and product updates. Be the first to know about advancements in MEMS accelerometers and how they can benefit your applications.

  • This field is for validation purposes and should be left unchanged.