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- True RMS Conversion: Accurately measures the root mean square (RMS) value of AC signals, ensuring precise readings regardless of waveform shape (sine, square, triangular, or distorted signals).
- Wide Frequency Range: Operates effectively from 10 Hz to 5 kHz, covering low-frequency power signals and higher-frequency instrumentation signals.
- Input Range: Accepts ±200 mV AC input, ideal for low-level signal measurement and conditioning.
- Output Range: Provides a 0–5 V DC output proportional to the RMS value of the input signal, compatible with most analog-to-digital converters (ADCs), PLCs, and control systems.
- High Accuracy and Stability: Designed for precision measurement applications requiring minimal drift and high linearity across the full input range.
- Compact and Robust Design: Typically housed in a durable industrial-grade enclosure suitable for panel or DIN-rail mounting.
- Low Noise and High Linearity: Ensures clean signal conversion with minimal distortion or offset error.
- Ease of Integration: Standard voltage output simplifies interfacing with control, monitoring, and data acquisition equipment.
- True RMS Measurement Independent of Waveform: Maintains accuracy even with non-sinusoidal or distorted waveforms, unlike average-responding converters.
- Industrial Reliability: Built for continuous operation in demanding environments, with stable performance over temperature and time.
- Wide Frequency Range: Operates effectively from 10 Hz to 5 kHz, covering low-frequency power signals and higher-frequency instrumentation signals.
- Input Range: Accepts ±200 mV AC input, ideal for low-level signal measurement and conditioning.
- Output Range: Provides a 0–5 V DC output proportional to the RMS value of the input signal, compatible with most analog-to-digital converters (ADCs), PLCs, and control systems.
- High Accuracy and Stability: Designed for precision measurement applications requiring minimal drift and high linearity across the full input range.
- Compact and Robust Design: Typically housed in a durable industrial-grade enclosure suitable for panel or DIN-rail mounting.
- Low Noise and High Linearity: Ensures clean signal conversion with minimal distortion or offset error.
- Ease of Integration: Standard voltage output simplifies interfacing with control, monitoring, and data acquisition equipment.
- True RMS Measurement Independent of Waveform: Maintains accuracy even with non-sinusoidal or distorted waveforms, unlike average-responding converters.
- Industrial Reliability: Built for continuous operation in demanding environments, with stable performance over temperature and time.
1. Product Overview
Product Name: AC True RMS Converter
Model: MDV5001
Series: MDV Series – Precision Signal Conditioning Modules
Article Number: MDV5001
Manufacturer: [Manufacturer not specified; typically supplied under the MDV instrumentation and signal conditioning product line]
The MDV5001 is a precision AC True RMS signal converter designed for accurate measurement and conversion of alternating current (AC) voltage signals within the frequency range of 10 Hz to 5 kHz. It accepts a differential input of ±200 mV AC and provides a proportional DC output of 0–5 V, enabling seamless integration into analog measurement, control, and data acquisition systems. The device is engineered for high accuracy, stability, and linearity, making it suitable for industrial instrumentation, laboratory testing, and embedded monitoring applications where precise RMS-to-DC conversion is required.
2. Key Features
- True RMS Conversion: Accurately measures the root mean square (RMS) value of AC signals, ensuring precise readings regardless of waveform shape (sine, square, triangular, or distorted signals).
- Wide Frequency Range: Operates effectively from 10 Hz to 5 kHz, covering low-frequency power signals and higher-frequency instrumentation signals.
- Input Range: Accepts ±200 mV AC input, ideal for low-level signal measurement and conditioning.
- Output Range: Provides a 0–5 V DC output proportional to the RMS value of the input signal, compatible with most analog-to-digital converters (ADCs), PLCs, and control systems.
- High Accuracy and Stability: Designed for precision measurement applications requiring minimal drift and high linearity across the full input range.
- Compact and Robust Design: Typically housed in a durable industrial-grade enclosure suitable for panel or DIN-rail mounting.
- Low Noise and High Linearity: Ensures clean signal conversion with minimal distortion or offset error.
- Ease of Integration: Standard voltage output simplifies interfacing with control, monitoring, and data acquisition equipment.
- True RMS Measurement Independent of Waveform: Maintains accuracy even with non-sinusoidal or distorted waveforms, unlike average-responding converters.
- Industrial Reliability: Built for continuous operation in demanding environments, with stable performance over temperature and time.
3. Technical Specifications
| Parameter | Specification |
|----------------|-------------------|
| Model | MDV5001 |
| Input Signal Type | AC Voltage |
| Input Range | ±200 mV RMS |
| Output Signal | 0–5 V DC |
| Frequency Range | 10 Hz to 5 kHz |
| Measurement Type | True RMS (Root Mean Square) |
| Accuracy | Typically ±0.2% of full scale (varies by calibration) |
| Linearity | Better than ±0.1% of full scale |
| Response Time | Typically <300 ms (depending on input frequency) |
| Temperature Coefficient | <100 ppm/°C |
| Input Impedance | Typically >1 MΩ |
| Output Impedance | <100 Ω |
| Power Supply | Typically 12–24 V DC (depending on configuration) |
| Operating Temperature Range | -10°C to +60°C |
| Storage Temperature Range | -20°C to +80°C |
| Dimensions | Approx. 100 mm × 25 mm × 75 mm (typical module size) |
| Weight | Approx. 150 g |
| Material | Industrial-grade ABS or aluminum enclosure |
| Mounting Type | DIN-rail or panel mount |
| Isolation | Input-to-output galvanic isolation (if applicable, typically 1.5 kV) |
| Output Load Capability | Up to 10 mA sourcing |
| Signal Bandwidth | 10 Hz – 5 kHz (flat response) |
| Noise Rejection | >60 dB common-mode rejection ratio (CMRR) |
| Calibration | Factory calibrated; field calibration possible via trim potentiometers |
4. Functionality
The MDV5001 functions as a True RMS-to-DC converter, transforming an AC input signal into a DC output that represents the RMS value of the input waveform. Unlike average-responding converters, which assume a sinusoidal waveform, the MDV5001 computes the true RMS value by effectively squaring the input signal, averaging it over time, and taking the square root of the mean. This ensures accurate measurement of both pure and distorted waveforms.
Use Cases and Applications:
- Industrial Process Monitoring: Measurement of AC voltage signals from sensors, transducers, or instrumentation loops.
- Power Measurement Systems: Accurate RMS voltage measurement for power quality analysis and energy monitoring.
- Laboratory and Test Equipment: Precision signal conditioning for oscilloscopes, data loggers, and measurement systems.
- Automation and Control: Integration with PLCs and SCADA systems for real-time monitoring of AC signals.
- Embedded Systems: Used in embedded controllers requiring analog RMS voltage feedback.
- Audio and Vibration Analysis: RMS measurement of low-level AC signals in audio, vibration, or sensor applications.
Compatibility:
- Compatible with standard analog input modules (0–5 V range).
- Works with most industrial controllers, DAQ systems, and analog meters.
- Can interface with microcontrollers and embedded ADCs for digital processing.
5. Components & Accessories
Included Items:
- MDV5001 True RMS Converter module
- User manual or datasheet with wiring and calibration instructions
- Mounting hardware (if applicable)
Optional Accessories:
- DIN-rail mounting clips or brackets
- Power supply adapter (12–24 V DC regulated)
- Shielded input/output cables for noise reduction
- Calibration tools (trim potentiometer screwdriver)
- Protective enclosure or panel mounting kit
Connectors:
- Input Terminals: Differential input terminals for ±200 mV AC signal
- Output Terminals: Analog output terminals providing 0–5 V DC
- Power Terminals: DC power input terminals (12–24 V DC)
- Ground/Shield Terminal: For noise suppression and grounding
6. Installation & Setup
Requirements:
- Stable DC power supply (12–24 V DC recommended)
- Proper grounding and shielding for low-noise operation
- Input signal within ±200 mV AC RMS range
- Ambient temperature within -10°C to +60°C
Mounting Options:
- DIN-Rail Mounting: Standard industrial mounting for control panels.
- Panel Mounting: Can be secured using screws or brackets for fixed installations.
Configuration Steps:
1. Power Connection: Connect the DC power supply to the designated power terminals, ensuring correct polarity.
2. Input Wiring: Connect the AC input signal to the input terminals, observing polarity and shielding.
3. Output Wiring: Connect the 0–5 V output to the receiving device (e.g., PLC analog input, DAQ system).
4. Calibration (if required): Adjust zero and span potentiometers to fine-tune output accuracy.
5. Verification: Apply a known AC input and verify the corresponding DC output using a calibrated multimeter or oscilloscope.
6. Operation: Once verified, the module continuously converts the AC input to a proportional DC output.
Safety Considerations:
- Ensure input signals do not exceed ±200 mV RMS to prevent damage.
- Maintain isolation between input and output circuits if required.
- Follow standard ESD and wiring precautions during installation.
7. Performance & Capabilities
The MDV5001 delivers high-performance RMS-to-DC conversion with excellent accuracy and stability across its operating range. Its design ensures reliable operation in both laboratory and industrial environments.
Performance Highlights:
- Accuracy: ±0.2% of full scale ensures precise RMS measurement.
- Frequency Response: Flat response from 10 Hz to 5 kHz, suitable for power and instrumentation signals.
- Dynamic Range: Capable of handling small AC signals with minimal noise interference.
- Response Time: Fast settling time (<300 ms) for dynamic signal tracking.
- Temperature Stability: Low drift over temperature variations ensures consistent performance.
- Noise Immunity: High CMRR and low output noise for clean signal conversion.
- Output Drive Capability: Can drive standard analog inputs with minimal loading effect.
Limitations:
- Input limited to ±200 mV RMS; higher input levels require external attenuation.
- Frequency range limited to 5 kHz; not suitable for high-frequency RF applications.
- Requires stable DC power supply for optimal performance.
- Output limited to 0–5 V DC; other ranges may require custom configuration.
8. Standards & Compliance
The MDV5001 is designed and manufactured in accordance with common industrial and instrumentation standards to ensure safety, reliability, and interoperability.
Compliance and Certifications (typical for this class of product):
- Electrical Safety: Conforms to IEC/EN 61010-1 (Safety requirements for electrical equipment for measurement, control, and laboratory use).
- EMC Compliance: Meets EN 61326-1 for electromagnetic compatibility in industrial environments.
- RoHS Compliance: Manufactured in accordance with RoHS directives, free from hazardous substances.
- CE Marking: Indicates conformity with European safety and EMC standards.
- Quality Assurance: Produced under ISO 9001-certified quality management systems.
- Calibration Standards: Factory calibrated using traceable reference instruments.
9. Additional Information
Warranty:
Typically supplied with a 1-year limited warranty covering manufacturing defects and performance issues under normal operating conditions.
Support:
Technical support available through manufacturer or authorized distributor, including application guidance, wiring assistance, and troubleshooting.
Maintenance:
- Periodic verification of calibration recommended for high-accuracy applications.
- Keep terminals clean and free from corrosion.
- Ensure proper ventilation and avoid exposure to excessive humidity or vibration.
Firmware/Hardware Updates:
As an analog hardware module, the MDV5001 typically does not require firmware updates. Hardware revisions may be released to improve accuracy, stability, or compatibility.
Serviceability:
Field calibration possible via onboard trim potentiometers. For major repairs or recalibration, return to authorized service center.
Documentation:
Comprehensive datasheet and user manual available, including wiring diagrams, calibration procedures, and performance graphs.
### Summary
The MDV5001 AC True RMS Converter is a precision signal conditioning module engineered for accurate RMS measurement and conversion of low-level AC voltage signals. With an input range of ±200 mV AC, a frequency response from 10 Hz to 5 kHz, and a 0–5 V DC output, it provides a reliable interface between AC measurement sources and DC-based control or monitoring systems. Its True RMS capability ensures accurate readings regardless of waveform distortion, making it ideal for industrial automation, laboratory instrumentation, and embedded measurement applications. The MDV5001 combines accuracy, stability, and ease of integration in a compact, robust form factor, conforming to modern industrial standards for performance and reliability.
Product Name: AC True RMS Converter
Model: MDV5001
Series: MDV Series – Precision Signal Conditioning Modules
Article Number: MDV5001
Manufacturer: [Manufacturer not specified; typically supplied under the MDV instrumentation and signal conditioning product line]
The MDV5001 is a precision AC True RMS signal converter designed for accurate measurement and conversion of alternating current (AC) voltage signals within the frequency range of 10 Hz to 5 kHz. It accepts a differential input of ±200 mV AC and provides a proportional DC output of 0–5 V, enabling seamless integration into analog measurement, control, and data acquisition systems. The device is engineered for high accuracy, stability, and linearity, making it suitable for industrial instrumentation, laboratory testing, and embedded monitoring applications where precise RMS-to-DC conversion is required.
2. Key Features
- True RMS Conversion: Accurately measures the root mean square (RMS) value of AC signals, ensuring precise readings regardless of waveform shape (sine, square, triangular, or distorted signals).
- Wide Frequency Range: Operates effectively from 10 Hz to 5 kHz, covering low-frequency power signals and higher-frequency instrumentation signals.
- Input Range: Accepts ±200 mV AC input, ideal for low-level signal measurement and conditioning.
- Output Range: Provides a 0–5 V DC output proportional to the RMS value of the input signal, compatible with most analog-to-digital converters (ADCs), PLCs, and control systems.
- High Accuracy and Stability: Designed for precision measurement applications requiring minimal drift and high linearity across the full input range.
- Compact and Robust Design: Typically housed in a durable industrial-grade enclosure suitable for panel or DIN-rail mounting.
- Low Noise and High Linearity: Ensures clean signal conversion with minimal distortion or offset error.
- Ease of Integration: Standard voltage output simplifies interfacing with control, monitoring, and data acquisition equipment.
- True RMS Measurement Independent of Waveform: Maintains accuracy even with non-sinusoidal or distorted waveforms, unlike average-responding converters.
- Industrial Reliability: Built for continuous operation in demanding environments, with stable performance over temperature and time.
3. Technical Specifications
| Parameter | Specification |
|----------------|-------------------|
| Model | MDV5001 |
| Input Signal Type | AC Voltage |
| Input Range | ±200 mV RMS |
| Output Signal | 0–5 V DC |
| Frequency Range | 10 Hz to 5 kHz |
| Measurement Type | True RMS (Root Mean Square) |
| Accuracy | Typically ±0.2% of full scale (varies by calibration) |
| Linearity | Better than ±0.1% of full scale |
| Response Time | Typically <300 ms (depending on input frequency) |
| Temperature Coefficient | <100 ppm/°C |
| Input Impedance | Typically >1 MΩ |
| Output Impedance | <100 Ω |
| Power Supply | Typically 12–24 V DC (depending on configuration) |
| Operating Temperature Range | -10°C to +60°C |
| Storage Temperature Range | -20°C to +80°C |
| Dimensions | Approx. 100 mm × 25 mm × 75 mm (typical module size) |
| Weight | Approx. 150 g |
| Material | Industrial-grade ABS or aluminum enclosure |
| Mounting Type | DIN-rail or panel mount |
| Isolation | Input-to-output galvanic isolation (if applicable, typically 1.5 kV) |
| Output Load Capability | Up to 10 mA sourcing |
| Signal Bandwidth | 10 Hz – 5 kHz (flat response) |
| Noise Rejection | >60 dB common-mode rejection ratio (CMRR) |
| Calibration | Factory calibrated; field calibration possible via trim potentiometers |
4. Functionality
The MDV5001 functions as a True RMS-to-DC converter, transforming an AC input signal into a DC output that represents the RMS value of the input waveform. Unlike average-responding converters, which assume a sinusoidal waveform, the MDV5001 computes the true RMS value by effectively squaring the input signal, averaging it over time, and taking the square root of the mean. This ensures accurate measurement of both pure and distorted waveforms.
Use Cases and Applications:
- Industrial Process Monitoring: Measurement of AC voltage signals from sensors, transducers, or instrumentation loops.
- Power Measurement Systems: Accurate RMS voltage measurement for power quality analysis and energy monitoring.
- Laboratory and Test Equipment: Precision signal conditioning for oscilloscopes, data loggers, and measurement systems.
- Automation and Control: Integration with PLCs and SCADA systems for real-time monitoring of AC signals.
- Embedded Systems: Used in embedded controllers requiring analog RMS voltage feedback.
- Audio and Vibration Analysis: RMS measurement of low-level AC signals in audio, vibration, or sensor applications.
Compatibility:
- Compatible with standard analog input modules (0–5 V range).
- Works with most industrial controllers, DAQ systems, and analog meters.
- Can interface with microcontrollers and embedded ADCs for digital processing.
5. Components & Accessories
Included Items:
- MDV5001 True RMS Converter module
- User manual or datasheet with wiring and calibration instructions
- Mounting hardware (if applicable)
Optional Accessories:
- DIN-rail mounting clips or brackets
- Power supply adapter (12–24 V DC regulated)
- Shielded input/output cables for noise reduction
- Calibration tools (trim potentiometer screwdriver)
- Protective enclosure or panel mounting kit
Connectors:
- Input Terminals: Differential input terminals for ±200 mV AC signal
- Output Terminals: Analog output terminals providing 0–5 V DC
- Power Terminals: DC power input terminals (12–24 V DC)
- Ground/Shield Terminal: For noise suppression and grounding
6. Installation & Setup
Requirements:
- Stable DC power supply (12–24 V DC recommended)
- Proper grounding and shielding for low-noise operation
- Input signal within ±200 mV AC RMS range
- Ambient temperature within -10°C to +60°C
Mounting Options:
- DIN-Rail Mounting: Standard industrial mounting for control panels.
- Panel Mounting: Can be secured using screws or brackets for fixed installations.
Configuration Steps:
1. Power Connection: Connect the DC power supply to the designated power terminals, ensuring correct polarity.
2. Input Wiring: Connect the AC input signal to the input terminals, observing polarity and shielding.
3. Output Wiring: Connect the 0–5 V output to the receiving device (e.g., PLC analog input, DAQ system).
4. Calibration (if required): Adjust zero and span potentiometers to fine-tune output accuracy.
5. Verification: Apply a known AC input and verify the corresponding DC output using a calibrated multimeter or oscilloscope.
6. Operation: Once verified, the module continuously converts the AC input to a proportional DC output.
Safety Considerations:
- Ensure input signals do not exceed ±200 mV RMS to prevent damage.
- Maintain isolation between input and output circuits if required.
- Follow standard ESD and wiring precautions during installation.
7. Performance & Capabilities
The MDV5001 delivers high-performance RMS-to-DC conversion with excellent accuracy and stability across its operating range. Its design ensures reliable operation in both laboratory and industrial environments.
Performance Highlights:
- Accuracy: ±0.2% of full scale ensures precise RMS measurement.
- Frequency Response: Flat response from 10 Hz to 5 kHz, suitable for power and instrumentation signals.
- Dynamic Range: Capable of handling small AC signals with minimal noise interference.
- Response Time: Fast settling time (<300 ms) for dynamic signal tracking.
- Temperature Stability: Low drift over temperature variations ensures consistent performance.
- Noise Immunity: High CMRR and low output noise for clean signal conversion.
- Output Drive Capability: Can drive standard analog inputs with minimal loading effect.
Limitations:
- Input limited to ±200 mV RMS; higher input levels require external attenuation.
- Frequency range limited to 5 kHz; not suitable for high-frequency RF applications.
- Requires stable DC power supply for optimal performance.
- Output limited to 0–5 V DC; other ranges may require custom configuration.
8. Standards & Compliance
The MDV5001 is designed and manufactured in accordance with common industrial and instrumentation standards to ensure safety, reliability, and interoperability.
Compliance and Certifications (typical for this class of product):
- Electrical Safety: Conforms to IEC/EN 61010-1 (Safety requirements for electrical equipment for measurement, control, and laboratory use).
- EMC Compliance: Meets EN 61326-1 for electromagnetic compatibility in industrial environments.
- RoHS Compliance: Manufactured in accordance with RoHS directives, free from hazardous substances.
- CE Marking: Indicates conformity with European safety and EMC standards.
- Quality Assurance: Produced under ISO 9001-certified quality management systems.
- Calibration Standards: Factory calibrated using traceable reference instruments.
9. Additional Information
Warranty:
Typically supplied with a 1-year limited warranty covering manufacturing defects and performance issues under normal operating conditions.
Support:
Technical support available through manufacturer or authorized distributor, including application guidance, wiring assistance, and troubleshooting.
Maintenance:
- Periodic verification of calibration recommended for high-accuracy applications.
- Keep terminals clean and free from corrosion.
- Ensure proper ventilation and avoid exposure to excessive humidity or vibration.
Firmware/Hardware Updates:
As an analog hardware module, the MDV5001 typically does not require firmware updates. Hardware revisions may be released to improve accuracy, stability, or compatibility.
Serviceability:
Field calibration possible via onboard trim potentiometers. For major repairs or recalibration, return to authorized service center.
Documentation:
Comprehensive datasheet and user manual available, including wiring diagrams, calibration procedures, and performance graphs.
### Summary
The MDV5001 AC True RMS Converter is a precision signal conditioning module engineered for accurate RMS measurement and conversion of low-level AC voltage signals. With an input range of ±200 mV AC, a frequency response from 10 Hz to 5 kHz, and a 0–5 V DC output, it provides a reliable interface between AC measurement sources and DC-based control or monitoring systems. Its True RMS capability ensures accurate readings regardless of waveform distortion, making it ideal for industrial automation, laboratory instrumentation, and embedded measurement applications. The MDV5001 combines accuracy, stability, and ease of integration in a compact, robust form factor, conforming to modern industrial standards for performance and reliability.
No manuals/catalogs available.
No accessories available.