SMARTTACH
Precision engine/vehicle speed measurement for chassis dyno testing
Measure RPM, rotational speed, frequency, pulse width, and duty cycle from virtually any pulse-based signal source.
SmartTach is ATI’s flexible, high-accuracy speed measurement solution for engine development, dynamometer testing, motorsports, industrial measurement, and laboratory environments.
Icon Caption
At a Glance
Universal RPM Measurement
Measure engine speed, dyno roll speed, vehicle speed, and rotating equipment from a wide variety of pulse sources
Broad Signal Compatibility
Supports ignition coils, magnetic sensors, encoders, ECU outputs, inductive pickups, and digital trigger signals
Intelligent Signal Conditioning
Microprocessor-controlled signal conditioning dynamically adapts to changing signal conditions for stable, reliable measurements
Flexible Outputs
Includes analog voltage outputs, conditioned digital pulse outputs, and programmable range outputs for integration with instrumentation and DAQ systems
High-Speed Measurement Range
Supports measurements from 0.5 Hz to 500 kHz for both low-speed and high-frequency applications
Flexible Installation
Deploy SmartTach in vehicles, engine dynos, test cells, laboratories, or rack-mounted systems
Modern engine and rotational measurement environments require reliable RPM and frequency data from a wide range of signal types. Traditional tachometer systems are often limited to specific sensor technologies or narrow operating ranges, making integration difficult in mixed testing environments.
​
SmartTach was designed to solve this challenge by providing a universal measurement platform capable of interpreting and conditioning a broad range of pulse-based signals. Whether measuring engine speed from an ignition coil, monitoring chassis dyno roll speed, or reading encoder signals in industrial applications, SmartTach delivers stable, configurable outputs for instrumentation, control, and data acquisition systems.
​
Its flexible signal handling, programmable outputs, and deployment versatility make SmartTach ideal for:
-
Engine development laboratories
-
Dynamometer facilities
-
Motorsport programs
-
Industrial rotational monitoring
-
Vehicle development environments
-
Research and educational facilities
One Device for Multiple Signal Types
SmartTach eliminates the need for multiple dedicated RPM interfaces by supporting a wide variety of pulse-based inputs.
​
Supported sources include:
-
Ignition coils
-
Variable reluctance sensors
-
Magnetic pickups
-
Encoders
-
ECU outputs
-
Digital trigger signals
-
Patterned crankshaft signals
This flexibility simplifies installation and reduces instrumentation complexity across different test environments.
Reliable Measurement in Difficult Signal Environments
Signal quality can vary significantly in engine and industrial environments due to electrical noise, ignition interference, and changing operating conditions.
SmartTach uses intelligent microprocessor-controlled signal conditioning to automatically adapt to signal behavior and maintain reliable measurement performance.
Benefits include:
-
Improved measurement stability
-
Reduced false triggering
-
Better compatibility with noisy ignition systems
-
Reliable operation across broad RPM ranges
-
Accurate handling of patterned trigger wheels
Designed for Dynos, Test Cells & Vehicle Development
SmartTach is widely suited for engine development and dynamometer environments where accurate rotational measurements are essential.
​
Applications include:
-
Engine dyno RPM monitoring
-
Chassis dyno roll speed measurement
-
Vehicle speed monitoring
-
ECU development testing
-
Motorsports instrumentation
-
Rotating equipment analysis
-
Industrial machinery testing
The system can operate as:
-
A standalone measurement instrument
-
An integrated dyno measurement device
-
A rack-mounted laboratory solution
-
An in-vehicle instrumentation module
Measurement Capabilities
Pulse Input Modes
Measurement Functions
SmartTach supports:
-
RPM measurement
-
Frequency measurement
-
Vehicle speed measurement
-
Pulse width measurement
-
Duty cycle measurement
-
Period measurement
Flexible Integration with Existing Instrumentation
SmartTach is designed to integrate with existing test equipment and data acquisition systems.
Analog Voltage Output
The isolated analog voltage output can be scaled in engineering units and connected directly to:
-
Panel meters
-
Dynamometer systems
-
Data acquisition hardware
-
Recording systems
-
Monitoring equipment
Digital Pulse Output
The conditioned 5 V pulse output provides a clean digital signal for external instrumentation requiring stable pulse conditioning.
Programmable Range Outputs
Three programmable isolated range outputs allow SmartTach to trigger external devices, alarms, or control logic based on user-defined speed or voltage conditions.
Signal Outputs
Analog Voltage Output
Please see the product datasheet for more technical information about this product.
Digital Pulse Output
Auxiliary Voltage Input
Connectivity & Configuration
RS-232 Interface
Free Configuration Software
SmartTach includes an RS-232 interface for communication and configuration.
ATI provides configuration software for setup and integration with third-party tools and instrumentation systems.
Specifications
Ordering Information
Online purchasing is available in the US, UK, EU, and India. If online purchasing is not available in your location, please contact your regional sales office.