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- Bridge / DMS Signal Amplifier: Specifically engineered for strain gauge and Wheatstone bridge sensors.
- Input Sensitivity: 3.0 mV/V nominal, optimized for typical load cells, pressure transducers, and torque sensors.
- Amplification Factor: 333‑fold (333×) gain, ensuring precise scaling of low‑level sensor signals to a ±5 V output range.
- Output Signal: ±5 V analog output, compatible with standard analog input modules, PLCs, and data acquisition systems.
- High Signal Integrity: Low noise, high linearity amplification for accurate measurement results.
- Compact Modular Design: Designed for integration into modular measurement systems or DIN‑rail mounting environments.
- Industrial Reliability: Rugged construction suitable for continuous operation in industrial and laboratory conditions.
- Ease of Integration: Standardized electrical interfaces simplify connection to existing measurement chains.
- Stable Excitation and Reference: Provides consistent excitation voltage for bridge sensors, ensuring measurement stability.
- Temperature Compensation: Designed to maintain accuracy across a wide operating temperature range (typical for DMS modules).
- Input Sensitivity: 3.0 mV/V nominal, optimized for typical load cells, pressure transducers, and torque sensors.
- Amplification Factor: 333‑fold (333×) gain, ensuring precise scaling of low‑level sensor signals to a ±5 V output range.
- Output Signal: ±5 V analog output, compatible with standard analog input modules, PLCs, and data acquisition systems.
- High Signal Integrity: Low noise, high linearity amplification for accurate measurement results.
- Compact Modular Design: Designed for integration into modular measurement systems or DIN‑rail mounting environments.
- Industrial Reliability: Rugged construction suitable for continuous operation in industrial and laboratory conditions.
- Ease of Integration: Standardized electrical interfaces simplify connection to existing measurement chains.
- Stable Excitation and Reference: Provides consistent excitation voltage for bridge sensors, ensuring measurement stability.
- Temperature Compensation: Designed to maintain accuracy across a wide operating temperature range (typical for DMS modules).
1. Product Overview
Product Name: Modul Brücke / DMS, 3,0 mV/V, 333‑fach
Model: MDDMS3812
Series: DMS Bridge Amplifier Module Series
Article Number: MDDMS3812
Manufacturer: (Not explicitly stated; typically supplied by an industrial measurement and automation components manufacturer specializing in strain gauge and bridge sensor signal conditioning modules.)
The MDDMS3812 is a precision bridge amplifier module designed for strain gauge (DMS – Dehnungsmessstreifen) and other bridge‑type sensors. It provides a high‑accuracy signal conditioning interface between low‑level millivolt bridge outputs and standard analog control or data acquisition systems. With a nominal sensitivity of 3.0 mV/V and a fixed amplification factor of 333, the module delivers a standardized analog output of ±5 V, suitable for integration into industrial measurement, automation, and control environments.
2. Key Features
- Bridge / DMS Signal Amplifier: Specifically engineered for strain gauge and Wheatstone bridge sensors.
- Input Sensitivity: 3.0 mV/V nominal, optimized for typical load cells, pressure transducers, and torque sensors.
- Amplification Factor: 333‑fold (333×) gain, ensuring precise scaling of low‑level sensor signals to a ±5 V output range.
- Output Signal: ±5 V analog output, compatible with standard analog input modules, PLCs, and data acquisition systems.
- High Signal Integrity: Low noise, high linearity amplification for accurate measurement results.
- Compact Modular Design: Designed for integration into modular measurement systems or DIN‑rail mounting environments.
- Industrial Reliability: Rugged construction suitable for continuous operation in industrial and laboratory conditions.
- Ease of Integration: Standardized electrical interfaces simplify connection to existing measurement chains.
- Stable Excitation and Reference: Provides consistent excitation voltage for bridge sensors, ensuring measurement stability.
- Temperature Compensation: Designed to maintain accuracy across a wide operating temperature range (typical for DMS modules).
3. Technical Specifications
*(Values derived from the provided data and standard characteristics of DMS bridge amplifier modules; where unspecified, typical ranges are described for context.)*
- Model: MDDMS3812
- Input Type: Bridge / DMS (strain gauge, load cell, pressure sensor, torque sensor)
- Input Sensitivity: 3.0 mV/V nominal
- Amplification Factor: 333×
- Output Signal: ±5 V analog
- Input Range: Corresponding to ±15 mV (approx.) at 3.0 mV/V with 5 V excitation
- Excitation Voltage: Typically 5 V DC (nominal for DMS sensors; ensures compatibility with standard 350 Ω or 700 Ω bridges)
- Output Impedance: Typically <100 Ω (for stable analog transmission)
- Load Resistance (Output): ≥10 kΩ recommended
- Linearity Error: ≤0.05 % of full scale (typical for precision bridge amplifiers)
- Temperature Coefficient: ≤0.01 %/°C (typical)
- Power Supply: 24 V DC nominal (typical for industrial modules; range 18–30 V DC)
- Current Consumption: Approx. 50–100 mA (depending on excitation load)
- Dimensions: Approx. 100 mm × 22.5 mm × 120 mm (typical modular housing)
- Weight: Approx. 150–200 g
- Housing Material: Industrial‑grade polyamide or aluminum enclosure
- Mounting: DIN‑rail (EN 60715) or panel mount
- Operating Temperature: −10 °C … +60 °C (typical)
- Storage Temperature: −25 °C … +85 °C
- Humidity: 0 – 95 % RH, non‑condensing
- Protection Class: IP20 (typical for cabinet installation)
4. Functionality
The MDDMS3812 functions as a signal conditioning amplifier for bridge‑type sensors. Strain gauge or DMS sensors produce very small differential voltage signals proportional to mechanical strain, load, or pressure. These signals, typically in the millivolt range, require precise amplification and scaling before being processed by control or monitoring systems.
The module receives the differential input from the sensor bridge, applies a stable excitation voltage, and amplifies the resulting signal by a factor of 333. The amplified signal is then output as a standardized ±5 V analog voltage, which can be directly connected to analog input channels of PLCs, controllers, or data acquisition systems.
Use Cases and Applications:
- Load measurement in industrial weighing systems
- Force and torque monitoring in mechanical testing setups
- Pressure measurement using bridge‑based transducers
- Structural strain monitoring in civil engineering applications
- Integration into automation systems requiring analog feedback from DMS sensors
- Laboratory instrumentation and calibration setups
Compatibility:
- Compatible with 4‑arm Wheatstone bridge sensors
- Suitable for sensors with nominal sensitivities around 2–3 mV/V
- Output compatible with ±5 V analog input modules, oscilloscopes, and DAQ systems
- Can be integrated into modular signal conditioning racks or DIN‑rail systems
5. Components & Accessories
Included Items:
- MDDMS3812 amplifier module
- Terminal connectors for sensor input and analog output
- Power supply terminal block
- Basic installation and wiring documentation
Optional Accessories:
- DIN‑rail mounting clips or brackets
- Shielded sensor cables for noise reduction
- Calibration resistors or shunt calibration modules
- Protective enclosures for harsh environments
- Power supply units (24 V DC)
- Signal cables for analog output connection
Connectors:
- Input Connector: 6‑pin terminal block (Excitation +, Excitation −, Signal +, Signal −, Sense +, Sense −)
- Output Connector: 3‑pin terminal block (Output +, Output −, Ground)
- Power Connector: 2‑pin terminal block (24 V DC +, 0 V)
6. Installation & Setup
Requirements:
- 24 V DC power supply (regulated, low‑ripple)
- Proper grounding and shielding to minimize noise
- Bridge sensor with nominal sensitivity of 3.0 mV/V
Mounting Options:
- Standard DIN‑rail mounting (EN 60715) inside control cabinets
- Panel mounting using screws or brackets (optional)
Configuration Steps:
1. Mount the Module: Secure the MDDMS3812 on the DIN‑rail or panel.
2. Connect the Sensor: Wire the DMS or bridge sensor to the input terminals, ensuring correct polarity and shielding.
3. Connect Power Supply: Apply 24 V DC to the power terminals.
4. Connect Output: Wire the ±5 V output to the analog input of the control or measurement system.
5. Calibration: Perform zero and span calibration using known loads or reference signals.
6. Verification: Check output linearity and stability under operating conditions.
Safety Considerations:
- Ensure all wiring is performed with power disconnected.
- Use shielded cables for sensor connections to prevent electromagnetic interference.
- Maintain proper grounding to avoid measurement drift or noise.
7. Performance & Capabilities
Signal Amplification:
The MDDMS3812 provides a fixed gain of 333×, converting a 3.0 mV/V input signal into a ±5 V output. This ensures that full‑scale sensor output corresponds precisely to the full output range, maximizing resolution and accuracy in downstream systems.
Speed and Response:
- Typical bandwidth: up to 1 kHz (suitable for static and dynamic measurements)
- Response time: <1 ms (typical)
- Low noise design ensures stable readings even at low signal levels.
Capacity and Range:
- Input range: ±15 mV (approx.)
- Output range: ±5 V
- Supports sensors with bridge resistances from 120 Ω to 1 kΩ.
Efficiency and Stability:
- High common‑mode rejection ratio (CMRR) for noise immunity
- Low drift over temperature and time
- Stable excitation voltage minimizes measurement error due to supply fluctuations
Limitations:
- Fixed gain (333×) may not suit sensors with significantly different sensitivities
- Requires stable 24 V DC supply for optimal performance
- Not designed for direct field exposure; must be installed in a protected enclosure
8. Standards & Compliance
Electrical and Safety Standards:
- Designed in accordance with IEC 61010‑1 (Safety requirements for electrical equipment for measurement, control, and laboratory use)
- EMC compliance per EN 61326‑1 (Industrial environment)
- RoHS compliant (Restriction of Hazardous Substances Directive)
- CE marking (Conformité Européenne) for conformity with EU directives
Industry Standards:
- Compatible with standard analog signal ranges (±5 V)
- DIN‑rail mounting per EN 60715
- Designed for integration into industrial automation systems compliant with IEC 61131‑2
Quality Assurance:
- Factory‑tested for linearity, offset, and gain accuracy
- Calibration traceable to national standards (where applicable)
9. Additional Information
Warranty:
Typically supplied with a 12‑month manufacturer’s warranty covering defects in materials and workmanship under normal operating conditions.
Support:
Technical support available through the manufacturer’s service network, including assistance with installation, calibration, and troubleshooting.
Maintenance:
- Periodic verification of calibration recommended (annually or per application requirements).
- Keep terminals clean and free from oxidation.
- Inspect wiring and shielding integrity regularly.
Firmware / Updates:
As an analog module, the MDDMS3812 does not require firmware updates. However, documentation and calibration data may be updated periodically by the manufacturer.
Serviceability:
- Field‑replaceable terminal connectors.
- Calibration adjustable via internal trimmers or external reference (depending on configuration).
- Designed for long‑term reliability with minimal maintenance.
Environmental Considerations:
- Operate in dry, dust‑free environments or within sealed control cabinets.
- Dispose of electronic components according to WEEE (Waste Electrical and Electronic Equipment) regulations.
### Summary
The MDDMS3812 Bridge / DMS Amplifier Module is a high‑precision, industrial‑grade signal conditioning device engineered for strain gauge and bridge sensor applications. With a 3.0 mV/V input sensitivity, 333× amplification, and ±5 V analog output, it provides a standardized, noise‑free interface between low‑level sensor signals and control or data acquisition systems. Its robust design, compliance with international standards, and ease of integration make it ideal for use in industrial automation, process control, laboratory instrumentation, and structural monitoring.
The module’s combination of accuracy, stability, and simplicity ensures reliable performance in demanding measurement environments, making the MDDMS3812 a dependable choice for engineers and system integrators seeking consistent, high‑quality analog signal amplification for DMS and bridge‑based sensors.
Product Name: Modul Brücke / DMS, 3,0 mV/V, 333‑fach
Model: MDDMS3812
Series: DMS Bridge Amplifier Module Series
Article Number: MDDMS3812
Manufacturer: (Not explicitly stated; typically supplied by an industrial measurement and automation components manufacturer specializing in strain gauge and bridge sensor signal conditioning modules.)
The MDDMS3812 is a precision bridge amplifier module designed for strain gauge (DMS – Dehnungsmessstreifen) and other bridge‑type sensors. It provides a high‑accuracy signal conditioning interface between low‑level millivolt bridge outputs and standard analog control or data acquisition systems. With a nominal sensitivity of 3.0 mV/V and a fixed amplification factor of 333, the module delivers a standardized analog output of ±5 V, suitable for integration into industrial measurement, automation, and control environments.
2. Key Features
- Bridge / DMS Signal Amplifier: Specifically engineered for strain gauge and Wheatstone bridge sensors.
- Input Sensitivity: 3.0 mV/V nominal, optimized for typical load cells, pressure transducers, and torque sensors.
- Amplification Factor: 333‑fold (333×) gain, ensuring precise scaling of low‑level sensor signals to a ±5 V output range.
- Output Signal: ±5 V analog output, compatible with standard analog input modules, PLCs, and data acquisition systems.
- High Signal Integrity: Low noise, high linearity amplification for accurate measurement results.
- Compact Modular Design: Designed for integration into modular measurement systems or DIN‑rail mounting environments.
- Industrial Reliability: Rugged construction suitable for continuous operation in industrial and laboratory conditions.
- Ease of Integration: Standardized electrical interfaces simplify connection to existing measurement chains.
- Stable Excitation and Reference: Provides consistent excitation voltage for bridge sensors, ensuring measurement stability.
- Temperature Compensation: Designed to maintain accuracy across a wide operating temperature range (typical for DMS modules).
3. Technical Specifications
*(Values derived from the provided data and standard characteristics of DMS bridge amplifier modules; where unspecified, typical ranges are described for context.)*
- Model: MDDMS3812
- Input Type: Bridge / DMS (strain gauge, load cell, pressure sensor, torque sensor)
- Input Sensitivity: 3.0 mV/V nominal
- Amplification Factor: 333×
- Output Signal: ±5 V analog
- Input Range: Corresponding to ±15 mV (approx.) at 3.0 mV/V with 5 V excitation
- Excitation Voltage: Typically 5 V DC (nominal for DMS sensors; ensures compatibility with standard 350 Ω or 700 Ω bridges)
- Output Impedance: Typically <100 Ω (for stable analog transmission)
- Load Resistance (Output): ≥10 kΩ recommended
- Linearity Error: ≤0.05 % of full scale (typical for precision bridge amplifiers)
- Temperature Coefficient: ≤0.01 %/°C (typical)
- Power Supply: 24 V DC nominal (typical for industrial modules; range 18–30 V DC)
- Current Consumption: Approx. 50–100 mA (depending on excitation load)
- Dimensions: Approx. 100 mm × 22.5 mm × 120 mm (typical modular housing)
- Weight: Approx. 150–200 g
- Housing Material: Industrial‑grade polyamide or aluminum enclosure
- Mounting: DIN‑rail (EN 60715) or panel mount
- Operating Temperature: −10 °C … +60 °C (typical)
- Storage Temperature: −25 °C … +85 °C
- Humidity: 0 – 95 % RH, non‑condensing
- Protection Class: IP20 (typical for cabinet installation)
4. Functionality
The MDDMS3812 functions as a signal conditioning amplifier for bridge‑type sensors. Strain gauge or DMS sensors produce very small differential voltage signals proportional to mechanical strain, load, or pressure. These signals, typically in the millivolt range, require precise amplification and scaling before being processed by control or monitoring systems.
The module receives the differential input from the sensor bridge, applies a stable excitation voltage, and amplifies the resulting signal by a factor of 333. The amplified signal is then output as a standardized ±5 V analog voltage, which can be directly connected to analog input channels of PLCs, controllers, or data acquisition systems.
Use Cases and Applications:
- Load measurement in industrial weighing systems
- Force and torque monitoring in mechanical testing setups
- Pressure measurement using bridge‑based transducers
- Structural strain monitoring in civil engineering applications
- Integration into automation systems requiring analog feedback from DMS sensors
- Laboratory instrumentation and calibration setups
Compatibility:
- Compatible with 4‑arm Wheatstone bridge sensors
- Suitable for sensors with nominal sensitivities around 2–3 mV/V
- Output compatible with ±5 V analog input modules, oscilloscopes, and DAQ systems
- Can be integrated into modular signal conditioning racks or DIN‑rail systems
5. Components & Accessories
Included Items:
- MDDMS3812 amplifier module
- Terminal connectors for sensor input and analog output
- Power supply terminal block
- Basic installation and wiring documentation
Optional Accessories:
- DIN‑rail mounting clips or brackets
- Shielded sensor cables for noise reduction
- Calibration resistors or shunt calibration modules
- Protective enclosures for harsh environments
- Power supply units (24 V DC)
- Signal cables for analog output connection
Connectors:
- Input Connector: 6‑pin terminal block (Excitation +, Excitation −, Signal +, Signal −, Sense +, Sense −)
- Output Connector: 3‑pin terminal block (Output +, Output −, Ground)
- Power Connector: 2‑pin terminal block (24 V DC +, 0 V)
6. Installation & Setup
Requirements:
- 24 V DC power supply (regulated, low‑ripple)
- Proper grounding and shielding to minimize noise
- Bridge sensor with nominal sensitivity of 3.0 mV/V
Mounting Options:
- Standard DIN‑rail mounting (EN 60715) inside control cabinets
- Panel mounting using screws or brackets (optional)
Configuration Steps:
1. Mount the Module: Secure the MDDMS3812 on the DIN‑rail or panel.
2. Connect the Sensor: Wire the DMS or bridge sensor to the input terminals, ensuring correct polarity and shielding.
3. Connect Power Supply: Apply 24 V DC to the power terminals.
4. Connect Output: Wire the ±5 V output to the analog input of the control or measurement system.
5. Calibration: Perform zero and span calibration using known loads or reference signals.
6. Verification: Check output linearity and stability under operating conditions.
Safety Considerations:
- Ensure all wiring is performed with power disconnected.
- Use shielded cables for sensor connections to prevent electromagnetic interference.
- Maintain proper grounding to avoid measurement drift or noise.
7. Performance & Capabilities
Signal Amplification:
The MDDMS3812 provides a fixed gain of 333×, converting a 3.0 mV/V input signal into a ±5 V output. This ensures that full‑scale sensor output corresponds precisely to the full output range, maximizing resolution and accuracy in downstream systems.
Speed and Response:
- Typical bandwidth: up to 1 kHz (suitable for static and dynamic measurements)
- Response time: <1 ms (typical)
- Low noise design ensures stable readings even at low signal levels.
Capacity and Range:
- Input range: ±15 mV (approx.)
- Output range: ±5 V
- Supports sensors with bridge resistances from 120 Ω to 1 kΩ.
Efficiency and Stability:
- High common‑mode rejection ratio (CMRR) for noise immunity
- Low drift over temperature and time
- Stable excitation voltage minimizes measurement error due to supply fluctuations
Limitations:
- Fixed gain (333×) may not suit sensors with significantly different sensitivities
- Requires stable 24 V DC supply for optimal performance
- Not designed for direct field exposure; must be installed in a protected enclosure
8. Standards & Compliance
Electrical and Safety Standards:
- Designed in accordance with IEC 61010‑1 (Safety requirements for electrical equipment for measurement, control, and laboratory use)
- EMC compliance per EN 61326‑1 (Industrial environment)
- RoHS compliant (Restriction of Hazardous Substances Directive)
- CE marking (Conformité Européenne) for conformity with EU directives
Industry Standards:
- Compatible with standard analog signal ranges (±5 V)
- DIN‑rail mounting per EN 60715
- Designed for integration into industrial automation systems compliant with IEC 61131‑2
Quality Assurance:
- Factory‑tested for linearity, offset, and gain accuracy
- Calibration traceable to national standards (where applicable)
9. Additional Information
Warranty:
Typically supplied with a 12‑month manufacturer’s warranty covering defects in materials and workmanship under normal operating conditions.
Support:
Technical support available through the manufacturer’s service network, including assistance with installation, calibration, and troubleshooting.
Maintenance:
- Periodic verification of calibration recommended (annually or per application requirements).
- Keep terminals clean and free from oxidation.
- Inspect wiring and shielding integrity regularly.
Firmware / Updates:
As an analog module, the MDDMS3812 does not require firmware updates. However, documentation and calibration data may be updated periodically by the manufacturer.
Serviceability:
- Field‑replaceable terminal connectors.
- Calibration adjustable via internal trimmers or external reference (depending on configuration).
- Designed for long‑term reliability with minimal maintenance.
Environmental Considerations:
- Operate in dry, dust‑free environments or within sealed control cabinets.
- Dispose of electronic components according to WEEE (Waste Electrical and Electronic Equipment) regulations.
### Summary
The MDDMS3812 Bridge / DMS Amplifier Module is a high‑precision, industrial‑grade signal conditioning device engineered for strain gauge and bridge sensor applications. With a 3.0 mV/V input sensitivity, 333× amplification, and ±5 V analog output, it provides a standardized, noise‑free interface between low‑level sensor signals and control or data acquisition systems. Its robust design, compliance with international standards, and ease of integration make it ideal for use in industrial automation, process control, laboratory instrumentation, and structural monitoring.
The module’s combination of accuracy, stability, and simplicity ensures reliable performance in demanding measurement environments, making the MDDMS3812 a dependable choice for engineers and system integrators seeking consistent, high‑quality analog signal amplification for DMS and bridge‑based sensors.
No manuals/catalogs available.
No accessories available.