Transducer Techniques is an industry leader in designing and manufacturing high quality load cell, torque sensor instrumentation for load, force, and torque measurement applications. Our economical plug and play smart load cell systems are innovative and industry leading. Our highly trained and experienced engineers are available to guide you through the process of selecting the appropriate load cell, torque sensor instrumentation for your application. Our standard product line can be customized or a custom load cell, torque sensor can be manufactured if your application should require it. Transducer Techniques prices are the most competitive in the industry because we sell direct. Read more...

What is Load Cell Signal Conditioning and how does it work?

Load cell signal conditioning is the process of converting a load cell's raw signal into a stable and standardized output that can be used for digital display, data acquisition, or control. A load cell typically contains strain gauges that produce electrical signals in response to mechanical deformation under load. These raw signals are often very small and can be affected by noise, temperature changes, and other interferences, so they require conditioning to be useful.

Here’s how load cell signal conditioning typically works:

Amplification The raw signal from a load cell is usually in the millivolt range, which is too low for most data acquisition systems or displays to use directly. The first step in signal conditioning is, therefore, to amplify this low-level signal to a more manageable voltage level without distorting the signal.

Filtering Once amplified, the signal may contain noise introduced by the electronics, the environment, or electromagnetic interference. Signal conditioning includes filtering to remove this noise. Filters may include low-pass filters to remove high-frequency noise, or they may be more complex to deal with specific types of interference.

Linearization The relationship between the mechanical load and the electrical output of a strain gauge is not always perfectly linear. Signal conditioning can involve linearization to correct for any non-linearity in the output, ensuring that the output is directly proportional to the force or weight applied.

Temperature Compensation Load cell signals can drift with temperature changes because the resistance of strain gauges and the modulus of elasticity of the load cell material can vary with temperature. Signal conditioning often includes temperature compensation to correct for these effects and maintain accuracy across a range of operating temperatures.

Analog-to-Digital Conversion For digital displays and systems, the analog signal from the load cell needs to be converted to a digital format. This is done using an Analog-to-Digital Converter (ADC). The quality of the ADC can significantly affect the resolution and accuracy of the load cell readings.

Excitation Voltage Regulation Strain gauge load cells require a stable excitation voltage for accurate operation. The signal conditioner often includes a regulated power supply that ensures this voltage remains constant, even if the supply voltage fluctuates.

Output Scaling Finally, the conditioned signal is scaled to match the input requirements of the connected devices. For example, a common industry standard is a 4-20 mA current loop, where 4 mA represents the zero point and 20 mA represents the maximum scale point. Other systems may use 0-10V or other standards.

Implementation Load cell signal conditioning can be implemented within dedicated modules that sit between the load cell and the display/data acquisition system, or it can be integrated into the electronics of the load cell itself or the readout device.

In essence, signal conditioning for load cells is a critical process that ensures the reliability and accuracy of the measurements they provide. Without proper signal conditioning, the load cell’s output would be too vulnerable to external factors and too weak to be useful for precise measurement tasks.


Transducer Techniques LCA-9PC Load Cell Amplifier Signal Conditioner with DB9 Connector

The Transducer Techniques LCA-9PC is a precision Load Cell Amplifier and Signal Conditioner designed to enhance the performance and accuracy of load cell measurements in a wide range of applications. This compact and versatile device is engineered to provide exceptional signal conditioning capabilities for load cells, making it an indispensable tool for industries that demand precise force or weight measurements.

Key features and benefits of the Transducer Techniques LCA-9PC Load Cell Amplifier and Signal Conditioner include:

High Precision Signal Conditioning: The LCA-9PC is renowned for its ability to amplify and condition load cell signals with remarkable precision. It ensures that even the most subtle changes in force or weight are accurately detected and processed.

Wide Input Range: This amplifier and conditioner can accommodate a broad spectrum of load cell types and capacities, making it suitable for various applications ranging from laboratory research to industrial processes.

User-Friendly Interface: With its user-friendly interface and intuitive controls, the LCA-9PC is easy to set up and configure. Users can adjust gain, zero balance, and filtering parameters with ease, ensuring optimal performance.

Selectable Filtering: The device offers selectable low-pass filtering options, allowing users to customize the filtering settings to match the specific requirements of their application. This helps eliminate noise and unwanted interference from the signal.

Analog and Digital Outputs: The LCA-9PC provides both analog and digital outputs, offering flexibility in data acquisition and integration with various measurement and control systems.

Compact and Robust Design: The unit is built to withstand harsh industrial environments and is housed in a rugged enclosure, ensuring durability and reliability in demanding conditions.

Versatile Mounting Options: The LCA-9PC offers versatile mounting options, allowing it to be easily integrated into existing setups or instrumentation systems.

Wide Application Range: Whether you are conducting research in a laboratory, monitoring production processes, or performing quality control in manufacturing, the LCA-9PC load cell amplifier and signal conditioner is an invaluable tool for ensuring accurate and reliable load cell measurements. In summary, the Transducer Techniques LCA-9PC Load Cell Amplifier and Signal Conditioner is a versatile and precision instrument that enhances the performance of load cells in a variety of applications. Its ability to provide accurate and stable signal conditioning makes it a valuable asset in industries where precise force or weight measurements are critical.


Transducer Techniques LCA-9RTC Load Cell Amplifier Signal Conditioner with DB9 Connector

The Transducer Techniques LCA-9RTC Load Cell Amplifier Signal Conditioner is a highly sophisticated and versatile instrument designed to excel in the field of precision force and weight measurements. This state-of-the-art device serves as a crucial bridge between load cells and data acquisition systems, ensuring that the signals generated by load cells are accurately and reliably processed for a wide range of applications. Here's a detailed description of the Transducer Techniques LCA-9RTC:

Precision Signal Amplification and Conditioning: The LCA-9RTC is engineered to provide exceptional signal amplification and conditioning capabilities. It takes the low-level voltage output from load cells, which can be in the millivolt range, and amplifies them to a level suitable for accurate measurement and data acquisition. This precise signal conditioning is essential for achieving reliable and repeatable results in force and weight measurements.

Highly Customizable: This amplifier signal conditioner offers a high degree of customization, allowing users to tailor its settings to their specific requirements. It includes options for adjusting gain, zero balance, and filtering parameters, giving users precise control over the signal processing to meet the demands of their applications. Selectable Filtering: The LCA-9RTC features selectable low-pass filtering options, enabling users to eliminate unwanted noise and interference from the load cell signal. This ensures that measurements are not affected by external factors, delivering clean and accurate data.

Digital and Analog Outputs: Versatility is a hallmark of the LCA-9RTC. It provides both digital and analog output options, allowing seamless integration with various data acquisition systems, controllers, and displays. Whether you require a digital signal or an analog voltage or current output, this device can accommodate your needs.

User-Friendly Interface: Despite its advanced capabilities, the LCA-9RTC offers an intuitive and user-friendly interface. Configuration and adjustment of settings are straightforward, making it accessible to both experienced technicians and those new to load cell signal conditioning.

Durable and Reliable: Built to withstand the rigors of industrial environments, the LCA-9RTC features a robust construction and dependable components. It is engineered for long-lasting performance and reliability, ensuring it can endure the challenges of demanding applications.

Versatile Applications: The Transducer Techniques LCA-9RTC Load Cell Amplifier Signal Conditioner is suitable for a wide range of applications, including laboratory research, quality control, material testing, and industrial processes. Wherever precise force or weight measurements are required, this device delivers accurate and dependable results.

In conclusion, the Transducer Techniques LCA-9RTC Load Cell Amplifier Signal Conditioner is a versatile and high-performance instrument that plays a pivotal role in ensuring the accuracy and reliability of load cell measurements. Its exceptional signal conditioning capabilities, customization options, and ease of use make it an invaluable tool for professionals across various industries who demand precise and dependable force and weight measurements.


TMO-2 Stand Alone - Bench Top Load Cell Amplifier - Conditioner Module

The TMO-2 Transducer 120 Vac Conditioner Module 16 Hz Filter is a complete differential amplifier/signal conditioners with self contained power. The units provide excitation, balance and span adjustment via precision 10 turn pots, and shunt calibration necessary to couple a user supplied bridge type transducer to an indicating instrument. Full scale output is specified at plus or minus 10 Vdc. The TMO-2 provides a floating shunt calibration circuit which applies calibration at the transducer, thereby eliminating errors due to line losses. The excitation supply incorporates a Wagner Ground to greatly improve Common Mode Rejection. The factory set bandwidth of the module is narrow to improve stability for applications such as weighing scales. The removal of a single capacitor will increase the frequency response DC to 10K Hz for dynamic data applications.


TMO-2-160 Stand Alone / Bench Top Load Cell Amplifier / Conditioner Module

The TMO-2-160 Transducer 120 Vac Conditioner Module 160 Hz Filter is a complete differential amplifier/signal conditioners with self contained power. The units provide excitation, balance and span adjustment via precision 10 turn pots, and shunt calibration necessary to couple a user supplied bridge type transducer to an indicating instrument. Full scale output is specified at plus or minus 10 Vdc. The TMO-2-160 provides a floating shunt calibration circuit which applies calibration at the transducer, thereby eliminating errors due to line losses. The excitation supply incorporates a Wagner Ground to greatly improve Common Mode Rejection. The factory set bandwidth of the module is narrow to improve stability for applications such as weighing scales. The removal of a single capacitor will increase the frequency response DC to 10K Hz for dynamic data applications.


TMO-2-1600 Stand Alone / Bench Top Load Cell Amplifier / Conditioner Module

The TMO-2-1600 Transducer 120 Vac Conditioner Module 1600 Hz Filter is a complete differential amplifier/signal conditioners with self contained power. The units provide excitation, balance and span adjustment via precision 10 turn pots, and shunt calibration necessary to couple a user supplied bridge type transducer to an indicating instrument. Full scale output is specified at plus or minus 10 Vdc. The TMO-2-1600 provides a floating shunt calibration circuit which applies calibration at the transducer, thereby eliminating errors due to line losses. The excitation supply incorporates a Wagner Ground to greatly improve Common Mode Rejection. The factory set bandwidth of the module is narrow to improve stability for applications such as weighing scales. The removal of a single capacitor will increase the frequency response DC to 10K Hz for dynamic data applications.


TMO-2A Stand Alone / Bench Top Load Cell Amplifier / Conditioner Module

The TMO-2A Transducer 120 Vac Conditioner Module 16 Hz Filter is a complete differential amplifier/signal conditioners with self contained power. The unit provide excitation, balance and span adjustment via precision 10 turn pots, and shunt calibration necessary to couple a user supplied bridge type transducer to an indicating instrument. Zero to full scale output is specified at 4-20 mA. The TMO-2A provides a floating shunt calibration circuit which applies calibration at the transducer, thereby eliminating errors due to line losses. The excitation supply incorporates a Wagner Ground to greatly improve Common Mode Rejection. The factory set bandwidth of the module is narrow to improve stability. The removal of a single capacitor will increase the frequency response DC to 10K Hz for dynamic data applications.


TMO-2A-160 Stand Alone / Bench Top Load Cell Amplifier / Conditioner Module

The TMO-2A-160 Transducer 120 Vac Conditioner Module 160 Hz Filter is a complete differential amplifier/signal conditioners with self contained power. The unit provide excitation, balance and span adjustment via precision 10 turn pots, and shunt calibration necessary to couple a user supplied bridge type transducer to an indicating instrument. Zero to full scale output is specified at 4-20 mA. The TMO-2A-160 provides a floating shunt calibration circuit which applies calibration at the transducer, thereby eliminating errors due to line losses. The excitation supply incorporates a Wagner Ground to greatly improve Common Mode Rejection. The factory set bandwidth of the module is narrow to improve stability. The removal of a single capacitor will increase the frequency response DC to 10K Hz for dynamic data applications.


TMO-2A-1600 Stand Alone / Bench Top Load Cell Amplifier / Conditioner Module

The TMO-2A-1600 Transducer 120 Vac Conditioner Module 160 Hz Filter is a complete differential amplifier/signal conditioners with self contained power. The unit provide excitation, balance and span adjustment via precision 10 turn pots, and shunt calibration necessary to couple a user supplied bridge type transducer to an indicating instrument. Zero to full scale output is specified at 4-20 mA. The TMO-2A-160 provides a floating shunt calibration circuit which applies calibration at the transducer, thereby eliminating errors due to line losses. The excitation supply incorporates a Wagner Ground to greatly improve Common Mode Rejection. The factory set bandwidth of the module is narrow to improve stability. The removal of a single capacitor will increase the frequency response DC to 10K Hz for dynamic data applications.



What is a Load Cell trasmitter and how does it work?

A load cell transmitter, also known as a load cell signal transmitter or load cell amplifier transmitter, is an electronic device used to amplify, condition, and transmit the electrical signals generated by load cells. Load cells are transducers designed to measure force or weight, and they typically produce low-level voltage signals in response to applied force. Load cell transmitters play a crucial role in processing and transmitting these signals accurately for various measurement and control applications. Here's how a load cell transmitter works:

1. Signal Amplification: The primary function of a load cell transmitter is to amplify the low-level voltage signal generated by the load cell. Load cells often produce millivolt-level signals, which may be too weak for accurate measurement or processing without amplification. The transmitter increases the signal strength to a more usable level.

2. Zero Balance Adjustment: Load cells may have small variations in their output signal when no force is applied. Load cell transmitters often include a "zero balance" adjustment, allowing users to nullify these small offsets and ensure accurate measurements even when there is no load on the load cell.

3. Filtering: Many load cell transmitters feature filtering options that help eliminate unwanted noise and interference from the signal. Filtering is crucial for improving the signal-to-noise ratio, resulting in cleaner and more accurate data.

4. Output Options: Load cell transmitters provide various output options, depending on the application and compatibility with measurement or control systems. Common output types include analog voltage or current signals, digital signals (such as RS-232, RS-485, or USB), and communication protocols.

5. Calibration and Scaling: To ensure accurate measurements, load cell transmitters often offer calibration and scaling options. Users can adjust the transmitter's settings to calibrate the output signal to match the specific force or weight being measured.

6. Integration: Load cell transmitters are typically integrated into larger measurement or control systems. They connect to data acquisition equipment, controllers, displays, or computer interfaces to record and process load cell measurements.

7. Diagnostic Features: Some advanced load cell transmitters may include diagnostic features such as overload protection and fault detection. These features can help prevent damage to the load cell and provide alerts in case of issues.

In summary, a load cell transmitter is a critical component for accurately measuring force or weight using load cells. It amplifies and conditions the weak electrical signals from the load cell, making them suitable for further measurement and data acquisition. Load cell transmitters are widely used in applications such as industrial processes, material testing, laboratory research, and quality control to ensure precise and reliable force and weight measurements.


Transducer Techniques SST-HV High Voltage Load Cell Transmitter

The Transducer Techniques SST-HV High Voltage Load Cell Transmitter is an advanced and specialized instrument designed for precise measurement and transmission of high-voltage load cell signals. This innovative device is engineered to address the unique needs of applications where high voltage is a critical factor. Here's a comprehensive description of the Transducer Techniques SST-HV:

High-Voltage Load Cell Compatibility: The SST-HV is specifically tailored to work seamlessly with high-voltage load cells, which are commonly used in industrial applications that require the measurement of heavy loads or forces. It can accommodate the elevated voltage levels produced by these load cells, ensuring accurate and reliable signal transmission.

Signal Amplification and Conditioning: One of the core functions of the SST-HV is to amplify and condition the high-voltage signals from load cells. This process enhances the signal's strength and quality, making it suitable for precise measurement and data acquisition. The amplifier's high precision ensures that even subtle changes in force or weight are accurately captured.

Versatile Output Options: This load cell transmitter provides a variety of output options to meet the diverse requirements of different applications. It supports analog voltage or current outputs, digital outputs, and communication protocols such as RS-232 and RS-485. Users have flexibility in choosing the output format that best integrates with their measurement or control systems.

Customizable Settings: The SST-HV offers a range of customization options, allowing users to fine-tune the transmitter to their specific needs. Parameters like gain, zero balance, and filtering settings can be adjusted to optimize signal processing for the application at hand.

Selectable Filtering: To ensure accurate measurements and mitigate noise interference, the transmitter features selectable low-pass filtering options. Users can tailor the filtering settings to eliminate unwanted noise and disturbances from the signal, ensuring clean and precise data.

User-Friendly Interface: Despite its advanced capabilities, the SST-HV boasts a user-friendly interface that simplifies setup and configuration. Both experienced technicians and newcomers to load cell instrumentation can easily navigate and adjust the device's settings.

Durable and Reliable Construction: The SST-HV is built to withstand the demanding conditions of industrial environments. Its robust construction and high-quality components ensure longevity and dependable performance, even in challenging settings.

Applications: The Transducer Techniques SST-HV High Voltage Load Cell Transmitter is ideal for a wide range of applications that require high-voltage load cell measurements. This includes industries such as materials testing, heavy machinery monitoring, structural testing, and aerospace, where precise force or weight measurements are essential for safety and quality assurance.

In summary, the Transducer Techniques SST-HV High Voltage Load Cell Transmitter is a specialized and reliable instrument designed to meet the demands of high-voltage load cell measurements. Its precise signal conditioning, versatility in output options, and user-friendly interface make it an invaluable tool for professionals working in industries that require accurate and dependable force and weight measurements under high-voltage conditions.


Transducer Techniques SST-LV Low Voltage Load Cell Transmitter

The Transducer Techniques SST-LV High Voltage Load Cell Transmitter is an advanced and specialized instrument designed to meet the unique needs of high-voltage load cell measurements. This precision device is engineered to amplify, condition, and transmit the electrical signals produced by high-voltage load cells, ensuring accurate and reliable force and weight measurements in a variety of demanding applications. Here's a detailed description of the Transducer Techniques SST-LV:

High-Voltage Load Cell Compatibility: The SST-LV is specifically designed to work seamlessly with high-voltage load cells, which are commonly used in industrial and heavy-duty applications that require the measurement of substantial forces or weights. It can handle and accurately process the elevated voltage levels generated by these load cells, ensuring precise data acquisition.

Signal Amplification and Conditioning: The primary function of the SST-LV is to amplify and condition the high-voltage signals from load cells. This amplification process strengthens the signal while maintaining accuracy, making it suitable for precise measurements even in applications involving substantial forces.

Versatile Output Options: This load cell transmitter provides a variety of output options to accommodate different measurement and control systems. It supports analog voltage or current outputs, digital outputs, and communication protocols such as RS-232 and RS-485. Users can select the output format that best fits their specific requirements.

Customizable Settings: The SST-LV offers a range of customization options, allowing users to fine-tune the transmitter to their specific needs. Parameters such as gain, zero balance, and filtering settings can be adjusted to optimize signal processing for the intended application.

Selectable Filtering: To ensure accurate measurements and mitigate the effects of noise and interference, the transmitter features selectable low-pass filtering options. Users can tailor the filtering settings to eliminate unwanted disturbances from the signal, ensuring precise and stable data acquisition.

User-Friendly Interface: Despite its advanced capabilities, the SST-LV boasts a user-friendly interface that simplifies setup and configuration. This ensures that both experienced technicians and those new to high-voltage load cell measurements can easily navigate and adjust the device's settings.

Durable and Reliable Construction: The SST-LV is constructed to withstand the harsh conditions of industrial environments. Its robust design and high-quality components ensure durability and reliable performance, even in challenging settings.

Applications: The Transducer Techniques SST-LV High Voltage Load Cell Transmitter is ideally suited for a wide range of applications where high-voltage load cell measurements are critical. This includes industries such as heavy machinery, construction, materials testing, and aerospace, where precise force or weight measurements are essential for safety, quality assurance, and performance optimization.

In conclusion, the Transducer Techniques SST-LV High Voltage Load Cell Transmitter is a specialized and dependable instrument designed to meet the demands of high-voltage load cell measurements. Its precise signal conditioning, versatile output options, and user-friendly interface make it an indispensable tool for professionals working in industries that require accurate and reliable force and weight measurements under high-voltage conditions.


What is a Load Cell Power Supply and how does it work?

a load cell power supply is designed to provide a stable and regulated electrical power source to load cells and sensors used in force or weight measurement applications. These power supplies typically work by taking an input voltage, often from a standard AC power source, and converting it to the specific voltage and current levels required by the load cells or sensors.

The key functions of a load cell power supply typically include:

Voltage Regulation: Load cells and sensors often require a specific voltage level to operate accurately. The power supply regulates the input voltage to ensure that the output voltage remains stable and within the required range.

Current Regulation: Some sensors may also have specific current requirements. The power supply adjusts the current output to meet these requirements.

Protection: Load cell power supplies often include protection features to safeguard the connected load cells or sensors from electrical spikes, surges, and other potential sources of damage.

Multiple Output Channels: Some load cell power supplies are designed to provide power to multiple load cells or sensors simultaneously, making them suitable for multi-sensor setups.

User Interface: Load cell power supplies typically include user-friendly controls and indicators to set and monitor voltage and current levels.

PSM-R Power Supply Module

The PSM-R is a self contained AC power bridge excitation supply. This device consists of a low interwinding capacitance AC transformer and a high stability adjustable linear regulator designed specifically for driving transducer bridges. DC excitation is adjustable from 4 to 15 volts output and is capable of supplying 0 to 150 mA in output current. It features remote sensing to eliminate line drop errors and very low noise. It can also be used as a high quality voltage source or reference in many applications. AC input requirements are 105 to 125 VAC at 60 Hz.


PSM-F10 Power Supply Module

The PSM-F10 is a chassis mountable power supply package. They are ideal for use with dedicated microprocessor systems, instrument design and test equipment. The PSM-F10 can also be used as a supplemental bench or laboratory power supply. The special "Cclamp" type barrier strip secures the wire without twisting. Note the protected recessed barrier strip facing the top of the case. This allows connections to be made in tight areas while protecting the barrier strip from physical damage. Nothing else offers this combination of ruggedness, flexibility and convenience.


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