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- Wide Temperature Range: Measures from –50°C up to +100°C, covering a broad range of industrial and environmental conditions.
- High Sensitivity: Provides a linear output of 50 mV per °C, ensuring precise analog signal representation of temperature changes.
- Standardized Output: ±5 V analog output compatible with most data acquisition systems, PLCs, and analog input modules.
- 2/3-Wire Configuration: Supports both 2-wire and 3-wire Pt100 connections, allowing compensation for cable resistance and improved measurement accuracy.
- Platinum RTD Element (Pt100): Utilizes a high-stability platinum resistor with a nominal resistance of 100 Ω at 0°C, ensuring long-term accuracy and repeatability.
- Robust Construction: Designed for industrial environments, offering mechanical durability and stable performance under vibration and thermal cycling.
- Linear Signal Conditioning: Integrated electronics provide linearization and amplification of the Pt100 signal, simplifying integration into control systems.
- Low Drift and High Stability: Ensures consistent performance over time and across varying environmental conditions.
- Compact Design: Suitable for installation in confined spaces or embedded systems.
- Easy Integration: Standard voltage output allows direct connection to analog measurement and control devices without additional signal converters.
- High Sensitivity: Provides a linear output of 50 mV per °C, ensuring precise analog signal representation of temperature changes.
- Standardized Output: ±5 V analog output compatible with most data acquisition systems, PLCs, and analog input modules.
- 2/3-Wire Configuration: Supports both 2-wire and 3-wire Pt100 connections, allowing compensation for cable resistance and improved measurement accuracy.
- Platinum RTD Element (Pt100): Utilizes a high-stability platinum resistor with a nominal resistance of 100 Ω at 0°C, ensuring long-term accuracy and repeatability.
- Robust Construction: Designed for industrial environments, offering mechanical durability and stable performance under vibration and thermal cycling.
- Linear Signal Conditioning: Integrated electronics provide linearization and amplification of the Pt100 signal, simplifying integration into control systems.
- Low Drift and High Stability: Ensures consistent performance over time and across varying environmental conditions.
- Compact Design: Suitable for installation in confined spaces or embedded systems.
- Easy Integration: Standard voltage output allows direct connection to analog measurement and control devices without additional signal converters.
1. Product Overview
Product Name: Pt100 Temperature Sensor
Model: VMDTPT3404
Series: VMDTPT Series
Article Number: VMDTPT3404
Manufacturer: [Manufacturer not specified – typically part of the VMDT industrial sensor line]
The VMDTPT3404 is a precision Pt100 temperature sensor designed for industrial and laboratory applications requiring accurate temperature measurement and signal conditioning. It integrates a platinum resistance temperature detector (RTD) element with a built-in signal conversion circuit that provides a standardized analog output. The sensor supports both 2-wire and 3-wire configurations, enabling flexible installation and compensation for lead resistance. With a measurement range of –50°C to +100°C, a sensitivity of 50 mV/°C, and an output range of ±5 V, the VMDTPT3404 delivers reliable, linear, and noise-resistant temperature readings suitable for process control, automation, and instrumentation systems.
2. Key Features
- Wide Temperature Range: Measures from –50°C up to +100°C, covering a broad range of industrial and environmental conditions.
- High Sensitivity: Provides a linear output of 50 mV per °C, ensuring precise analog signal representation of temperature changes.
- Standardized Output: ±5 V analog output compatible with most data acquisition systems, PLCs, and analog input modules.
- 2/3-Wire Configuration: Supports both 2-wire and 3-wire Pt100 connections, allowing compensation for cable resistance and improved measurement accuracy.
- Platinum RTD Element (Pt100): Utilizes a high-stability platinum resistor with a nominal resistance of 100 Ω at 0°C, ensuring long-term accuracy and repeatability.
- Robust Construction: Designed for industrial environments, offering mechanical durability and stable performance under vibration and thermal cycling.
- Linear Signal Conditioning: Integrated electronics provide linearization and amplification of the Pt100 signal, simplifying integration into control systems.
- Low Drift and High Stability: Ensures consistent performance over time and across varying environmental conditions.
- Compact Design: Suitable for installation in confined spaces or embedded systems.
- Easy Integration: Standard voltage output allows direct connection to analog measurement and control devices without additional signal converters.
3. Technical Specifications
- Sensor Type: Platinum Resistance Temperature Detector (RTD), Pt100
- Configuration: 2-wire or 3-wire connection
- Temperature Measurement Range: –50°C to +100°C
- Output Signal: ±5 V analog voltage output
- Sensitivity: 50 mV/°C
- Nominal Resistance: 100 Ω at 0°C (IEC 60751 Class B standard)
- Linearity: Linearized output across full temperature range
- Accuracy: Determined by Pt100 tolerance class and signal conditioning precision (typically ±0.3°C or better)
- Response Time: Fast thermal response depending on probe design (typically <1 s in air, faster in liquids)
- Operating Voltage: Typically 12–24 V DC (depending on signal conditioning circuit)
- Output Impedance: Low (<100 Ω) for stable signal transmission
- Load Resistance: Compatible with standard analog input impedances (>10 kΩ)
- Dimensions: Varies by housing type (commonly Ø6 mm probe diameter, length 50–150 mm)
- Weight: Approx. 50–150 g depending on probe length and housing
- Material: Stainless steel probe housing, high-temperature resistant cable insulation (e.g., PTFE or silicone)
- Cable Length: Typically 1–3 m standard, extendable as required
- Environmental Protection: IP65 or higher (depending on configuration)
- Operating Humidity: 0–95% RH, non-condensing
- Storage Temperature: –55°C to +120°C
4. Functionality
The VMDTPT3404 operates by converting temperature-dependent resistance changes of the Pt100 element into a proportional voltage output. The platinum RTD element exhibits a well-defined resistance-temperature relationship, which is linearized and amplified by the integrated signal conditioning electronics.
Working Principle:
1. The Pt100 element senses temperature changes, altering its resistance according to the IEC 60751 standard curve.
2. The internal circuit measures this resistance and converts it into a corresponding voltage signal.
3. The output voltage varies linearly with temperature at a rate of 50 mV per °C, centered around 0 V at 0°C, resulting in ±5 V output over the full –50°C to +100°C range.
Use Cases and Applications:
- Industrial process monitoring and control
- HVAC and building automation systems
- Laboratory temperature measurement and calibration setups
- Environmental monitoring equipment
- Machine and equipment temperature supervision
- Thermal management in electronics and power systems
- Integration into PLC-based automation systems
- Data acquisition and test benches requiring analog temperature input
Compatibility:
- Compatible with analog input modules, DAQ systems, and controllers accepting ±5 V signals
- Works with standard Pt100 wiring configurations (2-wire or 3-wire)
- Suitable for integration with industrial control systems, SCADA, and monitoring software
5. Components & Accessories
Included Items:
- VMDTPT3404 Pt100 sensor assembly with integrated signal conditioning
- Pre-attached connection cable (length as specified)
- Wiring diagram and installation instructions
Optional Accessories:
- Mounting brackets or compression fittings for probe installation
- Extension cables with shielded conductors for noise immunity
- Calibration certificates (optional, upon request)
- Protective sheath or thermowell for harsh environments
- Connector adapters for specific control systems (e.g., M12 connectors, terminal blocks)
Connectors:
- Standard cable termination (bare leads or connectorized)
- 2-wire or 3-wire connection terminals clearly marked for easy wiring
- Shielded cable recommended for long-distance signal transmission
6. Installation & Setup
Requirements:
- Power supply (typically 12–24 V DC) for signal conditioning electronics
- Compatible analog input device capable of reading ±5 V signals
- Proper grounding and shielding to minimize electrical noise
Mounting Options:
- Direct insertion into process line or equipment housing
- Use of thermowell for protection in pressurized or corrosive environments
- Surface mounting with clamps or brackets for ambient temperature measurement
Configuration:
- Select 2-wire or 3-wire connection based on required accuracy and cable length
- Connect output leads to analog input terminals observing polarity
- Verify output scaling (50 mV/°C) and calibrate receiving device accordingly
- Ensure stable mechanical and thermal contact for accurate readings
Setup Procedure:
1. Mount the sensor in the desired location ensuring good thermal contact.
2. Connect wiring according to the provided diagram.
3. Power up the system and verify output voltage corresponds to ambient temperature.
4. Calibrate the measurement system if necessary.
5. Secure cables and ensure environmental sealing if used outdoors or in humid conditions.
7. Performance & Capabilities
Speed:
- Fast response time due to low thermal mass of the Pt100 element and efficient signal conditioning.
Capacity:
- Capable of continuous operation across the full –50°C to +100°C range without recalibration.
Efficiency:
- High signal-to-noise ratio due to low output impedance and linear voltage scaling.
- Minimal drift over time ensures consistent performance.
Accuracy and Stability:
- Pt100 element provides excellent repeatability and low hysteresis.
- 3-wire configuration compensates for lead resistance, improving accuracy for long cable runs.
Limitations:
- Temperature range limited to –50°C to +100°C; not suitable for high-temperature industrial furnaces or cryogenic applications.
- Requires stable power supply for accurate voltage output.
- Analog output may require shielding in high-EMI environments.
Reliability:
- Designed for long-term operation with minimal maintenance.
- Resistant to vibration and thermal cycling.
8. Standards & Compliance
- Sensor Standard: IEC 60751 (Pt100 RTD standard)
- Output Standard: Analog voltage ±5 V, compatible with industrial instrumentation standards
- Electrical Safety: Complies with low-voltage and EMC directives (depending on manufacturer certification)
- Environmental Protection: IP-rated housing (typically IP65 or higher) for dust and moisture resistance
- RoHS Compliance: Constructed with materials compliant with Restriction of Hazardous Substances Directive
- Quality Assurance: Manufactured under ISO 9001 quality management systems (typical for industrial sensors)
9. Additional Information
Warranty:
- Standard manufacturer warranty (typically 12–24 months) covering defects in materials and workmanship.
Support:
- Technical documentation, wiring diagrams, and calibration data available from manufacturer or distributor.
- Application support for integration into control systems and data acquisition setups.
Maintenance:
- Periodic inspection recommended to ensure clean sensor surface and secure connections.
- Calibration verification may be performed annually or as required by quality systems.
- Avoid mechanical stress or contamination of the sensing element.
Updates and Customization:
- Custom output scaling, cable lengths, and connector types available upon request.
- Optional calibration certificates traceable to national standards.
- Firmware or circuit updates (if applicable) may be available for enhanced linearization or output stability.
Summary
The VMDTPT3404 Pt100 Sensor is a precision-engineered temperature measurement device combining the proven accuracy of a platinum RTD with integrated signal conditioning to deliver a standardized ±5 V analog output. Its –50°C to +100°C measurement range, 50 mV/°C sensitivity, and 2/3-wire configuration make it ideal for a wide range of industrial, laboratory, and automation applications. Designed for reliability, linearity, and ease of integration, the VMDTPT3404 provides a robust solution for accurate temperature monitoring in demanding environments.
Product Name: Pt100 Temperature Sensor
Model: VMDTPT3404
Series: VMDTPT Series
Article Number: VMDTPT3404
Manufacturer: [Manufacturer not specified – typically part of the VMDT industrial sensor line]
The VMDTPT3404 is a precision Pt100 temperature sensor designed for industrial and laboratory applications requiring accurate temperature measurement and signal conditioning. It integrates a platinum resistance temperature detector (RTD) element with a built-in signal conversion circuit that provides a standardized analog output. The sensor supports both 2-wire and 3-wire configurations, enabling flexible installation and compensation for lead resistance. With a measurement range of –50°C to +100°C, a sensitivity of 50 mV/°C, and an output range of ±5 V, the VMDTPT3404 delivers reliable, linear, and noise-resistant temperature readings suitable for process control, automation, and instrumentation systems.
2. Key Features
- Wide Temperature Range: Measures from –50°C up to +100°C, covering a broad range of industrial and environmental conditions.
- High Sensitivity: Provides a linear output of 50 mV per °C, ensuring precise analog signal representation of temperature changes.
- Standardized Output: ±5 V analog output compatible with most data acquisition systems, PLCs, and analog input modules.
- 2/3-Wire Configuration: Supports both 2-wire and 3-wire Pt100 connections, allowing compensation for cable resistance and improved measurement accuracy.
- Platinum RTD Element (Pt100): Utilizes a high-stability platinum resistor with a nominal resistance of 100 Ω at 0°C, ensuring long-term accuracy and repeatability.
- Robust Construction: Designed for industrial environments, offering mechanical durability and stable performance under vibration and thermal cycling.
- Linear Signal Conditioning: Integrated electronics provide linearization and amplification of the Pt100 signal, simplifying integration into control systems.
- Low Drift and High Stability: Ensures consistent performance over time and across varying environmental conditions.
- Compact Design: Suitable for installation in confined spaces or embedded systems.
- Easy Integration: Standard voltage output allows direct connection to analog measurement and control devices without additional signal converters.
3. Technical Specifications
- Sensor Type: Platinum Resistance Temperature Detector (RTD), Pt100
- Configuration: 2-wire or 3-wire connection
- Temperature Measurement Range: –50°C to +100°C
- Output Signal: ±5 V analog voltage output
- Sensitivity: 50 mV/°C
- Nominal Resistance: 100 Ω at 0°C (IEC 60751 Class B standard)
- Linearity: Linearized output across full temperature range
- Accuracy: Determined by Pt100 tolerance class and signal conditioning precision (typically ±0.3°C or better)
- Response Time: Fast thermal response depending on probe design (typically <1 s in air, faster in liquids)
- Operating Voltage: Typically 12–24 V DC (depending on signal conditioning circuit)
- Output Impedance: Low (<100 Ω) for stable signal transmission
- Load Resistance: Compatible with standard analog input impedances (>10 kΩ)
- Dimensions: Varies by housing type (commonly Ø6 mm probe diameter, length 50–150 mm)
- Weight: Approx. 50–150 g depending on probe length and housing
- Material: Stainless steel probe housing, high-temperature resistant cable insulation (e.g., PTFE or silicone)
- Cable Length: Typically 1–3 m standard, extendable as required
- Environmental Protection: IP65 or higher (depending on configuration)
- Operating Humidity: 0–95% RH, non-condensing
- Storage Temperature: –55°C to +120°C
4. Functionality
The VMDTPT3404 operates by converting temperature-dependent resistance changes of the Pt100 element into a proportional voltage output. The platinum RTD element exhibits a well-defined resistance-temperature relationship, which is linearized and amplified by the integrated signal conditioning electronics.
Working Principle:
1. The Pt100 element senses temperature changes, altering its resistance according to the IEC 60751 standard curve.
2. The internal circuit measures this resistance and converts it into a corresponding voltage signal.
3. The output voltage varies linearly with temperature at a rate of 50 mV per °C, centered around 0 V at 0°C, resulting in ±5 V output over the full –50°C to +100°C range.
Use Cases and Applications:
- Industrial process monitoring and control
- HVAC and building automation systems
- Laboratory temperature measurement and calibration setups
- Environmental monitoring equipment
- Machine and equipment temperature supervision
- Thermal management in electronics and power systems
- Integration into PLC-based automation systems
- Data acquisition and test benches requiring analog temperature input
Compatibility:
- Compatible with analog input modules, DAQ systems, and controllers accepting ±5 V signals
- Works with standard Pt100 wiring configurations (2-wire or 3-wire)
- Suitable for integration with industrial control systems, SCADA, and monitoring software
5. Components & Accessories
Included Items:
- VMDTPT3404 Pt100 sensor assembly with integrated signal conditioning
- Pre-attached connection cable (length as specified)
- Wiring diagram and installation instructions
Optional Accessories:
- Mounting brackets or compression fittings for probe installation
- Extension cables with shielded conductors for noise immunity
- Calibration certificates (optional, upon request)
- Protective sheath or thermowell for harsh environments
- Connector adapters for specific control systems (e.g., M12 connectors, terminal blocks)
Connectors:
- Standard cable termination (bare leads or connectorized)
- 2-wire or 3-wire connection terminals clearly marked for easy wiring
- Shielded cable recommended for long-distance signal transmission
6. Installation & Setup
Requirements:
- Power supply (typically 12–24 V DC) for signal conditioning electronics
- Compatible analog input device capable of reading ±5 V signals
- Proper grounding and shielding to minimize electrical noise
Mounting Options:
- Direct insertion into process line or equipment housing
- Use of thermowell for protection in pressurized or corrosive environments
- Surface mounting with clamps or brackets for ambient temperature measurement
Configuration:
- Select 2-wire or 3-wire connection based on required accuracy and cable length
- Connect output leads to analog input terminals observing polarity
- Verify output scaling (50 mV/°C) and calibrate receiving device accordingly
- Ensure stable mechanical and thermal contact for accurate readings
Setup Procedure:
1. Mount the sensor in the desired location ensuring good thermal contact.
2. Connect wiring according to the provided diagram.
3. Power up the system and verify output voltage corresponds to ambient temperature.
4. Calibrate the measurement system if necessary.
5. Secure cables and ensure environmental sealing if used outdoors or in humid conditions.
7. Performance & Capabilities
Speed:
- Fast response time due to low thermal mass of the Pt100 element and efficient signal conditioning.
Capacity:
- Capable of continuous operation across the full –50°C to +100°C range without recalibration.
Efficiency:
- High signal-to-noise ratio due to low output impedance and linear voltage scaling.
- Minimal drift over time ensures consistent performance.
Accuracy and Stability:
- Pt100 element provides excellent repeatability and low hysteresis.
- 3-wire configuration compensates for lead resistance, improving accuracy for long cable runs.
Limitations:
- Temperature range limited to –50°C to +100°C; not suitable for high-temperature industrial furnaces or cryogenic applications.
- Requires stable power supply for accurate voltage output.
- Analog output may require shielding in high-EMI environments.
Reliability:
- Designed for long-term operation with minimal maintenance.
- Resistant to vibration and thermal cycling.
8. Standards & Compliance
- Sensor Standard: IEC 60751 (Pt100 RTD standard)
- Output Standard: Analog voltage ±5 V, compatible with industrial instrumentation standards
- Electrical Safety: Complies with low-voltage and EMC directives (depending on manufacturer certification)
- Environmental Protection: IP-rated housing (typically IP65 or higher) for dust and moisture resistance
- RoHS Compliance: Constructed with materials compliant with Restriction of Hazardous Substances Directive
- Quality Assurance: Manufactured under ISO 9001 quality management systems (typical for industrial sensors)
9. Additional Information
Warranty:
- Standard manufacturer warranty (typically 12–24 months) covering defects in materials and workmanship.
Support:
- Technical documentation, wiring diagrams, and calibration data available from manufacturer or distributor.
- Application support for integration into control systems and data acquisition setups.
Maintenance:
- Periodic inspection recommended to ensure clean sensor surface and secure connections.
- Calibration verification may be performed annually or as required by quality systems.
- Avoid mechanical stress or contamination of the sensing element.
Updates and Customization:
- Custom output scaling, cable lengths, and connector types available upon request.
- Optional calibration certificates traceable to national standards.
- Firmware or circuit updates (if applicable) may be available for enhanced linearization or output stability.
Summary
The VMDTPT3404 Pt100 Sensor is a precision-engineered temperature measurement device combining the proven accuracy of a platinum RTD with integrated signal conditioning to deliver a standardized ±5 V analog output. Its –50°C to +100°C measurement range, 50 mV/°C sensitivity, and 2/3-wire configuration make it ideal for a wide range of industrial, laboratory, and automation applications. Designed for reliability, linearity, and ease of integration, the VMDTPT3404 provides a robust solution for accurate temperature monitoring in demanding environments.
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