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- Thermocouple Type K (NiCr–Ni): Utilizes a nickel-chromium/nickel alloy junction for reliable and repeatable temperature sensing across a wide range.
- Wide Measurement Range: Capable of measuring temperatures from –50°C to +500°C, suitable for both low- and mid-range thermal processes.
- High Sensitivity: Provides a linearized output of 10 mV per °C, enabling fine resolution and accurate analog signal representation.
- Analog Output ±5 V: Scaled voltage output compatible with standard analog input modules, PLCs, and data loggers.
- Sampling Frequency 10 Hz: Ensures real-time temperature tracking with a 100 ms update rate, ideal for dynamic thermal processes.
- Linearized Output (o.Lin.): The signal is conditioned to provide a linear voltage-to-temperature relationship, simplifying integration and calibration.
- Robust Construction: Designed for industrial reliability, with stable performance under varying environmental conditions.
- Ease of Integration: Standardized electrical characteristics allow direct connection to measurement and control systems without additional signal conditioning.
- Low Drift and High Stability: Ensures consistent readings over extended operational periods.
- Compact and Durable Design: Suitable for installation in confined spaces or embedded systems.
- Wide Measurement Range: Capable of measuring temperatures from –50°C to +500°C, suitable for both low- and mid-range thermal processes.
- High Sensitivity: Provides a linearized output of 10 mV per °C, enabling fine resolution and accurate analog signal representation.
- Analog Output ±5 V: Scaled voltage output compatible with standard analog input modules, PLCs, and data loggers.
- Sampling Frequency 10 Hz: Ensures real-time temperature tracking with a 100 ms update rate, ideal for dynamic thermal processes.
- Linearized Output (o.Lin.): The signal is conditioned to provide a linear voltage-to-temperature relationship, simplifying integration and calibration.
- Robust Construction: Designed for industrial reliability, with stable performance under varying environmental conditions.
- Ease of Integration: Standardized electrical characteristics allow direct connection to measurement and control systems without additional signal conditioning.
- Low Drift and High Stability: Ensures consistent readings over extended operational periods.
- Compact and Durable Design: Suitable for installation in confined spaces or embedded systems.
1. Product Overview
Product Name: Thermoelement Typ K
Model: VMDTEK3703
Series: VMDTEK Series 3700
Article Number: VMDTEK3703
Manufacturer: VMDTEK
The VMDTEK3703 is a precision-engineered thermoelement (thermocouple) designed for accurate temperature measurement and signal conversion in industrial, laboratory, and process control environments. Based on the widely used Type K (NiCr–Ni) thermocouple standard, this model provides a linearized analog output proportional to temperature, optimized for integration with data acquisition systems, controllers, and monitoring equipment. The device operates across a broad temperature range from –50°C to +500°C, delivering a stable and calibrated output of ±5 V corresponding to the measured temperature. With a sampling frequency of 10 Hz and a sensitivity of 10 mV/°C, the VMDTEK3703 offers a balance of precision, responsiveness, and compatibility for demanding thermal measurement applications.
2. Key Features
- Thermocouple Type K (NiCr–Ni): Utilizes a nickel-chromium/nickel alloy junction for reliable and repeatable temperature sensing across a wide range.
- Wide Measurement Range: Capable of measuring temperatures from –50°C to +500°C, suitable for both low- and mid-range thermal processes.
- High Sensitivity: Provides a linearized output of 10 mV per °C, enabling fine resolution and accurate analog signal representation.
- Analog Output ±5 V: Scaled voltage output compatible with standard analog input modules, PLCs, and data loggers.
- Sampling Frequency 10 Hz: Ensures real-time temperature tracking with a 100 ms update rate, ideal for dynamic thermal processes.
- Linearized Output (o.Lin.): The signal is conditioned to provide a linear voltage-to-temperature relationship, simplifying integration and calibration.
- Robust Construction: Designed for industrial reliability, with stable performance under varying environmental conditions.
- Ease of Integration: Standardized electrical characteristics allow direct connection to measurement and control systems without additional signal conditioning.
- Low Drift and High Stability: Ensures consistent readings over extended operational periods.
- Compact and Durable Design: Suitable for installation in confined spaces or embedded systems.
3. Technical Specifications
- Sensor Type: Thermoelement (Thermocouple)
- Thermocouple Type: Type K (NiCr–Ni)
- Measurement Range: –50°C to +500°C
- Output Signal: ±5 V analog output
- Sensitivity: 10 mV/°C
- Sampling Frequency: 10 Hz (10 samples per second)
- Linearity: Output linearized (o.Lin.)
- Response Time: Typically <100 ms (dependent on thermal mass and installation)
- Accuracy: Within ±1°C or better (typical for Type K thermocouples with linearization)
- Operating Voltage: Typically 5–24 V DC (depending on signal conditioning circuit, if integrated)
- Output Impedance: Low impedance output suitable for direct analog input connection
- Temperature Coefficient: Stable across the specified range, minimal drift
- Dimensions: Compact probe or module form factor (exact dimensions dependent on configuration, typically 50–100 mm length, 3–6 mm diameter for probe type)
- Weight: Approx. 50–150 g (depending on cable length and housing)
- Material Composition:
- Sensor Junction: Nickel-Chromium / Nickel (NiCr–Ni)
- Sheath: Stainless steel or Inconel (typical for Type K thermocouples)
- Cable Insulation: PTFE or fiberglass (temperature-resistant)
- Environmental Conditions:
- Operating Temperature (ambient): –20°C to +70°C
- Storage Temperature: –40°C to +85°C
- Humidity: Up to 95% RH non-condensing
- Output Connector: Standard analog connector or terminal block (depending on configuration)
- Cable Length: Typically 1–2 m (customizable)
4. Functionality
The VMDTEK3703 functions as a temperature transducer that converts thermal energy into a proportional electrical signal. The Type K thermocouple junction generates a small voltage based on the Seebeck effect, where the voltage difference between two dissimilar metals (NiCr and Ni) corresponds to the temperature difference between the measurement junction and the reference junction.
The internal circuitry of the VMDTEK3703 linearizes this thermoelectric voltage and scales it to a standardized ±5 V output range. This allows direct interfacing with analog input channels of controllers, PLCs, or data acquisition systems without requiring additional signal conditioning.
Typical Use Cases and Applications:
- Industrial process monitoring and control
- Laboratory temperature measurement and calibration setups
- HVAC and environmental testing systems
- Thermal profiling in manufacturing and materials testing
- Embedded systems requiring analog temperature feedback
- Integration with automation systems for temperature regulation
Compatibility:
- Compatible with standard Type K thermocouple connectors and extension cables
- Interfaces with analog input modules (±5 V range)
- Suitable for integration with DAQ systems, PLCs, and industrial controllers
- Can be used with temperature monitoring software or control algorithms requiring linear analog input
5. Components & Accessories
Included Items:
- VMDTEK3703 Thermoelement Type K sensor assembly
- Pre-attached cable with analog output leads
- Calibration and specification sheet (if supplied by manufacturer)
Optional Accessories:
- Mounting brackets or clamps for probe installation
- Extension cables (Type K compatible)
- Analog signal conditioners or amplifiers (if additional scaling required)
- Protective sheath or thermowell for harsh environments
- Connector adapters for PLC or DAQ input terminals
Connectors:
- Standard thermocouple plug (Type K miniature or standard)
- Analog output terminals or shielded cable with open leads
- Optional BNC or screw terminal connectors for instrumentation
6. Installation & Setup
Requirements:
- Compatible analog input device capable of reading ±5 V signals
- Stable power supply (if active circuitry is included)
- Proper grounding and shielding to minimize electrical noise
Mounting Options:
- Direct insertion into process or test environment using probe tip
- Surface mounting with clamp or bracket
- Integration into equipment housings or test fixtures
Configuration Steps:
1. Identify measurement point and ensure proper thermal contact.
2. Connect the thermocouple leads to the designated input terminals, observing polarity (NiCr positive, Ni negative).
3. Connect the analog output leads to the receiving device (±5 V input).
4. Verify calibration and scaling (10 mV/°C) to ensure correct temperature-to-voltage mapping.
5. Power up the system and confirm stable readings at ambient temperature.
6. Perform functional verification across expected temperature range.
Safety and Handling:
- Avoid mechanical stress on the sensor junction.
- Ensure electrical isolation from high-voltage circuits.
- Do not exceed specified temperature limits.
7. Performance & Capabilities
Speed:
- Sampling frequency of 10 Hz provides near real-time temperature updates suitable for dynamic monitoring.
Capacity:
- Measures temperatures from –50°C to +500°C, covering a broad range of industrial and laboratory applications.
Efficiency:
- Linearized output simplifies data processing and reduces computational overhead in control systems.
Accuracy and Stability:
- Maintains consistent output with minimal drift over time.
- High repeatability ensures reliable long-term operation.
Limitations:
- Not suitable for extremely high-temperature applications (>500°C).
- Requires proper cold-junction compensation if used in environments with large ambient temperature variations.
- Analog output may be susceptible to noise if not properly shielded.
Thermal Response:
- Fast response time (<100 ms typical) allows tracking of rapid temperature changes.
Electrical Performance:
- Low output impedance ensures compatibility with most analog input circuits.
- ±5 V output range provides high signal-to-noise ratio for accurate measurement.
8. Standards & Compliance
Thermocouple Standard:
- Conforms to IEC 60584-1 / ANSI MC96.1 Type K thermocouple specifications.
Electrical and Safety Compliance:
- Designed according to general industrial instrumentation standards.
- RoHS compliant (lead-free materials).
- CE marking (if applicable, depending on region).
Environmental Compliance:
- Meets standard industrial environmental operating conditions.
- Resistant to moderate vibration and mechanical stress.
Quality Assurance:
- Factory-calibrated and tested for linearity and output accuracy.
- Traceable calibration data available upon request.
9. Additional Information
Warranty:
- Standard manufacturer’s warranty (typically 12–24 months) covering defects in materials and workmanship.
Support:
- Technical documentation, wiring diagrams, and calibration data available from VMDTEK.
- Customer support for installation, configuration, and troubleshooting.
Maintenance:
- Periodic inspection recommended to ensure sensor integrity and stable output.
- Calibration verification suggested annually or as required by application.
- Clean probe surfaces with non-abrasive materials; avoid chemical exposure beyond rated limits.
Updates and Customization:
- Custom output scaling, cable lengths, and connector types available upon request.
- Firmware or signal conditioning updates (if applicable) supported through manufacturer service.
Service Life:
- Designed for long-term operation under normal industrial conditions.
- Expected operational lifespan: several years depending on thermal cycling and environmental exposure.
Summary
The VMDTEK3703 Thermoelement Type K is a high-precision, linearized temperature measurement device engineered for professional and industrial use. With a measurement range of –50°C to +500°C, 10 Hz sampling rate, and 10 mV/°C sensitivity, it provides a reliable and easily interpretable ±5 V analog output. Its robust NiCr–Ni construction ensures durability and accuracy across a wide range of applications, from process control to laboratory testing.
The device’s linearized output simplifies integration with analog systems, while its compliance with Type K thermocouple standards guarantees compatibility and measurement consistency. Designed for ease of installation, dependable performance, and long-term stability, the VMDTEK3703 represents a versatile and efficient solution for precise temperature monitoring in modern industrial and research environments.
Product Name: Thermoelement Typ K
Model: VMDTEK3703
Series: VMDTEK Series 3700
Article Number: VMDTEK3703
Manufacturer: VMDTEK
The VMDTEK3703 is a precision-engineered thermoelement (thermocouple) designed for accurate temperature measurement and signal conversion in industrial, laboratory, and process control environments. Based on the widely used Type K (NiCr–Ni) thermocouple standard, this model provides a linearized analog output proportional to temperature, optimized for integration with data acquisition systems, controllers, and monitoring equipment. The device operates across a broad temperature range from –50°C to +500°C, delivering a stable and calibrated output of ±5 V corresponding to the measured temperature. With a sampling frequency of 10 Hz and a sensitivity of 10 mV/°C, the VMDTEK3703 offers a balance of precision, responsiveness, and compatibility for demanding thermal measurement applications.
2. Key Features
- Thermocouple Type K (NiCr–Ni): Utilizes a nickel-chromium/nickel alloy junction for reliable and repeatable temperature sensing across a wide range.
- Wide Measurement Range: Capable of measuring temperatures from –50°C to +500°C, suitable for both low- and mid-range thermal processes.
- High Sensitivity: Provides a linearized output of 10 mV per °C, enabling fine resolution and accurate analog signal representation.
- Analog Output ±5 V: Scaled voltage output compatible with standard analog input modules, PLCs, and data loggers.
- Sampling Frequency 10 Hz: Ensures real-time temperature tracking with a 100 ms update rate, ideal for dynamic thermal processes.
- Linearized Output (o.Lin.): The signal is conditioned to provide a linear voltage-to-temperature relationship, simplifying integration and calibration.
- Robust Construction: Designed for industrial reliability, with stable performance under varying environmental conditions.
- Ease of Integration: Standardized electrical characteristics allow direct connection to measurement and control systems without additional signal conditioning.
- Low Drift and High Stability: Ensures consistent readings over extended operational periods.
- Compact and Durable Design: Suitable for installation in confined spaces or embedded systems.
3. Technical Specifications
- Sensor Type: Thermoelement (Thermocouple)
- Thermocouple Type: Type K (NiCr–Ni)
- Measurement Range: –50°C to +500°C
- Output Signal: ±5 V analog output
- Sensitivity: 10 mV/°C
- Sampling Frequency: 10 Hz (10 samples per second)
- Linearity: Output linearized (o.Lin.)
- Response Time: Typically <100 ms (dependent on thermal mass and installation)
- Accuracy: Within ±1°C or better (typical for Type K thermocouples with linearization)
- Operating Voltage: Typically 5–24 V DC (depending on signal conditioning circuit, if integrated)
- Output Impedance: Low impedance output suitable for direct analog input connection
- Temperature Coefficient: Stable across the specified range, minimal drift
- Dimensions: Compact probe or module form factor (exact dimensions dependent on configuration, typically 50–100 mm length, 3–6 mm diameter for probe type)
- Weight: Approx. 50–150 g (depending on cable length and housing)
- Material Composition:
- Sensor Junction: Nickel-Chromium / Nickel (NiCr–Ni)
- Sheath: Stainless steel or Inconel (typical for Type K thermocouples)
- Cable Insulation: PTFE or fiberglass (temperature-resistant)
- Environmental Conditions:
- Operating Temperature (ambient): –20°C to +70°C
- Storage Temperature: –40°C to +85°C
- Humidity: Up to 95% RH non-condensing
- Output Connector: Standard analog connector or terminal block (depending on configuration)
- Cable Length: Typically 1–2 m (customizable)
4. Functionality
The VMDTEK3703 functions as a temperature transducer that converts thermal energy into a proportional electrical signal. The Type K thermocouple junction generates a small voltage based on the Seebeck effect, where the voltage difference between two dissimilar metals (NiCr and Ni) corresponds to the temperature difference between the measurement junction and the reference junction.
The internal circuitry of the VMDTEK3703 linearizes this thermoelectric voltage and scales it to a standardized ±5 V output range. This allows direct interfacing with analog input channels of controllers, PLCs, or data acquisition systems without requiring additional signal conditioning.
Typical Use Cases and Applications:
- Industrial process monitoring and control
- Laboratory temperature measurement and calibration setups
- HVAC and environmental testing systems
- Thermal profiling in manufacturing and materials testing
- Embedded systems requiring analog temperature feedback
- Integration with automation systems for temperature regulation
Compatibility:
- Compatible with standard Type K thermocouple connectors and extension cables
- Interfaces with analog input modules (±5 V range)
- Suitable for integration with DAQ systems, PLCs, and industrial controllers
- Can be used with temperature monitoring software or control algorithms requiring linear analog input
5. Components & Accessories
Included Items:
- VMDTEK3703 Thermoelement Type K sensor assembly
- Pre-attached cable with analog output leads
- Calibration and specification sheet (if supplied by manufacturer)
Optional Accessories:
- Mounting brackets or clamps for probe installation
- Extension cables (Type K compatible)
- Analog signal conditioners or amplifiers (if additional scaling required)
- Protective sheath or thermowell for harsh environments
- Connector adapters for PLC or DAQ input terminals
Connectors:
- Standard thermocouple plug (Type K miniature or standard)
- Analog output terminals or shielded cable with open leads
- Optional BNC or screw terminal connectors for instrumentation
6. Installation & Setup
Requirements:
- Compatible analog input device capable of reading ±5 V signals
- Stable power supply (if active circuitry is included)
- Proper grounding and shielding to minimize electrical noise
Mounting Options:
- Direct insertion into process or test environment using probe tip
- Surface mounting with clamp or bracket
- Integration into equipment housings or test fixtures
Configuration Steps:
1. Identify measurement point and ensure proper thermal contact.
2. Connect the thermocouple leads to the designated input terminals, observing polarity (NiCr positive, Ni negative).
3. Connect the analog output leads to the receiving device (±5 V input).
4. Verify calibration and scaling (10 mV/°C) to ensure correct temperature-to-voltage mapping.
5. Power up the system and confirm stable readings at ambient temperature.
6. Perform functional verification across expected temperature range.
Safety and Handling:
- Avoid mechanical stress on the sensor junction.
- Ensure electrical isolation from high-voltage circuits.
- Do not exceed specified temperature limits.
7. Performance & Capabilities
Speed:
- Sampling frequency of 10 Hz provides near real-time temperature updates suitable for dynamic monitoring.
Capacity:
- Measures temperatures from –50°C to +500°C, covering a broad range of industrial and laboratory applications.
Efficiency:
- Linearized output simplifies data processing and reduces computational overhead in control systems.
Accuracy and Stability:
- Maintains consistent output with minimal drift over time.
- High repeatability ensures reliable long-term operation.
Limitations:
- Not suitable for extremely high-temperature applications (>500°C).
- Requires proper cold-junction compensation if used in environments with large ambient temperature variations.
- Analog output may be susceptible to noise if not properly shielded.
Thermal Response:
- Fast response time (<100 ms typical) allows tracking of rapid temperature changes.
Electrical Performance:
- Low output impedance ensures compatibility with most analog input circuits.
- ±5 V output range provides high signal-to-noise ratio for accurate measurement.
8. Standards & Compliance
Thermocouple Standard:
- Conforms to IEC 60584-1 / ANSI MC96.1 Type K thermocouple specifications.
Electrical and Safety Compliance:
- Designed according to general industrial instrumentation standards.
- RoHS compliant (lead-free materials).
- CE marking (if applicable, depending on region).
Environmental Compliance:
- Meets standard industrial environmental operating conditions.
- Resistant to moderate vibration and mechanical stress.
Quality Assurance:
- Factory-calibrated and tested for linearity and output accuracy.
- Traceable calibration data available upon request.
9. Additional Information
Warranty:
- Standard manufacturer’s warranty (typically 12–24 months) covering defects in materials and workmanship.
Support:
- Technical documentation, wiring diagrams, and calibration data available from VMDTEK.
- Customer support for installation, configuration, and troubleshooting.
Maintenance:
- Periodic inspection recommended to ensure sensor integrity and stable output.
- Calibration verification suggested annually or as required by application.
- Clean probe surfaces with non-abrasive materials; avoid chemical exposure beyond rated limits.
Updates and Customization:
- Custom output scaling, cable lengths, and connector types available upon request.
- Firmware or signal conditioning updates (if applicable) supported through manufacturer service.
Service Life:
- Designed for long-term operation under normal industrial conditions.
- Expected operational lifespan: several years depending on thermal cycling and environmental exposure.
Summary
The VMDTEK3703 Thermoelement Type K is a high-precision, linearized temperature measurement device engineered for professional and industrial use. With a measurement range of –50°C to +500°C, 10 Hz sampling rate, and 10 mV/°C sensitivity, it provides a reliable and easily interpretable ±5 V analog output. Its robust NiCr–Ni construction ensures durability and accuracy across a wide range of applications, from process control to laboratory testing.
The device’s linearized output simplifies integration with analog systems, while its compliance with Type K thermocouple standards guarantees compatibility and measurement consistency. Designed for ease of installation, dependable performance, and long-term stability, the VMDTEK3703 represents a versatile and efficient solution for precise temperature monitoring in modern industrial and research environments.
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No accessories available.