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- High Resolution and Accuracy:
6½-digit resolution with up to 0.0045% basic DC voltage accuracy ensures precise and repeatable measurements.
- High-Speed Measurement:
Capable of up to 1,000 readings per second, enabling rapid data acquisition in automated test environments.
- Multifunction Measurement Capability:
Measures DC and AC voltage and current, 2-wire and 4-wire resistance, capacitance, frequency, and period. Supports true RMS AC measurements from 10 Hz to 100 kHz.
- Wide Measurement Range:
Voltage measurement from 1 µV to 330 V, current measurement up to 2.5 A, and resistance measurement up to 330 MΩ.
- Frequency and Timing Functions:
Frequency counter from 1 Hz to 300 kHz, period measurement, pulse width, and totalizer functions.
- Capacitance Measurement:
Ranges from 10 nF to 10 mF with high accuracy and stability.
- Self-Calibration:
Internal self-calibration ensures long-term accuracy and minimizes drift.
- High Isolation and Safety:
330 V DC / 250 V AC isolation from earth ground, designed to IEC 1010-1 safety standards (Installation Category II).
- Software Integration:
Includes PnP software with a graphical user interface for configuration, control, and data visualization.
- Compact PCI Form Factor:
Designed for PCI slot installation with dimensions of 208 mm × 112 mm, requiring only +5 V at 300 mA.
6½-digit resolution with up to 0.0045% basic DC voltage accuracy ensures precise and repeatable measurements.
- High-Speed Measurement:
Capable of up to 1,000 readings per second, enabling rapid data acquisition in automated test environments.
- Multifunction Measurement Capability:
Measures DC and AC voltage and current, 2-wire and 4-wire resistance, capacitance, frequency, and period. Supports true RMS AC measurements from 10 Hz to 100 kHz.
- Wide Measurement Range:
Voltage measurement from 1 µV to 330 V, current measurement up to 2.5 A, and resistance measurement up to 330 MΩ.
- Frequency and Timing Functions:
Frequency counter from 1 Hz to 300 kHz, period measurement, pulse width, and totalizer functions.
- Capacitance Measurement:
Ranges from 10 nF to 10 mF with high accuracy and stability.
- Self-Calibration:
Internal self-calibration ensures long-term accuracy and minimizes drift.
- High Isolation and Safety:
330 V DC / 250 V AC isolation from earth ground, designed to IEC 1010-1 safety standards (Installation Category II).
- Software Integration:
Includes PnP software with a graphical user interface for configuration, control, and data visualization.
- Compact PCI Form Factor:
Designed for PCI slot installation with dimensions of 208 mm × 112 mm, requiring only +5 V at 300 mA.
Comprehensive Product Summary – SM2042 PCI Digital 6½-Digit Multifunction Multimeter
### 1. Product Overview
Product Name: SM2042 PCI Digital 6½-Digit Multifunction Multimeter
Model Number: SM2042
Series: SM2040 Series
Article Number: SM2042
Manufacturer: Signametrics / ADLINK Technology
The SM2042 is a high-precision, PCI-based digital multimeter (DMM) designed for automated test and measurement systems requiring laboratory-grade accuracy, speed, and versatility. As part of the SM2040 Series, it offers 6½-digit resolution, auto-ranging measurement capability, and a wide range of electrical measurement functions including DC/AC voltage and current, resistance (2-wire and 4-wire), frequency, capacitance, and more. The SM2042 is engineered for integration into PCI-based test systems, providing a compact, high-performance measurement solution for industrial, scientific, and educational applications.
### 2. Key Features
- High Resolution and Accuracy:
6½-digit resolution with up to 0.0045% basic DC voltage accuracy ensures precise and repeatable measurements.
- High-Speed Measurement:
Capable of up to 1,000 readings per second, enabling rapid data acquisition in automated test environments.
- Multifunction Measurement Capability:
Measures DC and AC voltage and current, 2-wire and 4-wire resistance, capacitance, frequency, and period. Supports true RMS AC measurements from 10 Hz to 100 kHz.
- Wide Measurement Range:
Voltage measurement from 1 µV to 330 V, current measurement up to 2.5 A, and resistance measurement up to 330 MΩ.
- Frequency and Timing Functions:
Frequency counter from 1 Hz to 300 kHz, period measurement, pulse width, and totalizer functions.
- Capacitance Measurement:
Ranges from 10 nF to 10 mF with high accuracy and stability.
- Self-Calibration:
Internal self-calibration ensures long-term accuracy and minimizes drift.
- High Isolation and Safety:
330 V DC / 250 V AC isolation from earth ground, designed to IEC 1010-1 safety standards (Installation Category II).
- Software Integration:
Includes PnP software with a graphical user interface for configuration, control, and data visualization.
- Compact PCI Form Factor:
Designed for PCI slot installation with dimensions of 208 mm × 112 mm, requiring only +5 V at 300 mA.
### 3. Technical Specifications
General Specifications:
- Resolution: 6½ digits (up to 1,200,000 counts)
- Reading Rate: 0.5 to 1,000 readings per second (user-selectable)
- Up to 10 rps at 6½ digits
- Up to 30 rps at 5½ digits
- Isolation: 330 V DC / 250 V AC from earth ground
- Overload Protection: 330 V DC, 250 V AC
- Operating Temperature: -10 °C to +70 °C
- Storage Temperature: -65 °C to +85 °C
- Power Requirements: +5 V DC, 300 mA max
- Dimensions: 208 mm (L) × 112 mm (H)
- Safety Compliance: IEC 1010-1, Installation Category II
DC Voltage Measurement:
- Ranges: 330 mV, 3.3 V, 33 V, 330 V
- Resolution: 100 nV to 100 µV
- Input Resistance: >10 GΩ (low ranges), 10 MΩ (high ranges)
- Accuracy (1 Year, 23°C ±5°C):
- 330 mV: ±(0.007% + 8 µV)
- 3.3 V: ±(0.0045% + 17 µV)
- 33 V: ±(0.007% + 330 µV)
- 330 V: ±(0.008% + 1.5 mV)
DC Current Measurement:
- Ranges: 3.3 mA, 33 mA, 330 mA, 2.5 A
- Resolution: 10 nA to 10 µA
- Burden Voltage: 350 mV max
- Accuracy (1 Year, 23°C ±5°C):
- 3.3 mA: ±(0.1% + 400 nA)
- 33 mA: ±(0.1% + 3 µA)
- 330 mA: ±(0.075% + 60 µA)
- 2.5 A: ±(0.65% + 350 µA)
AC Voltage (True RMS):
- Ranges: 330 mV, 3.3 V, 33 V, 250 V
- Resolution: 100 nV to 100 µV
- Frequency Range: 10 Hz to 100 kHz
- Accuracy (1 Year, 23°C ±5°C):
- 47 Hz–10 kHz: ±(0.065% + 1.2 mV) typical at 3.3 V range
- 10 kHz–50 kHz: ±(0.70% + 1.5 mV)
- 50 kHz–100 kHz: ±(5.3% + 2 mV)
AC Current (True RMS):
- Ranges: 3.3 mA, 33 mA, 330 mA, 2.5 A
- Resolution: 1 nA to 1 µA
- Frequency Range: 10 Hz to 20 kHz
- Accuracy (1 Year, 23°C ±5°C):
- 47 Hz–1 kHz: ±(0.12% + 4 µA) typical at 3.3 mA range
- 1 kHz–10 kHz: ±(0.22% + 4 µA)
Resistance (2-Wire / 4-Wire):
- Ranges: 33 Ω to 330 MΩ
- Resolution: 10 µΩ to 1 kΩ
- Source Current: 10 mA to 10 nA
- Accuracy (1 Year, 23°C ±5°C):
- 33 Ω: ±(0.008% + 2 mΩ)
- 3.3 kΩ: ±(0.005% + 33 mΩ)
- 3.3 MΩ: ±(0.04% + 70 Ω)
- 330 MΩ: ±(2.0% + 80 kΩ)
- Note: 33 Ω and 330 MΩ ranges available only on SM2042 and SM2044.
Capacitance Measurement (SM2042, SM2044):
- Ranges: 10 nF to 10 mF
- Resolution: 1 pF to 1 µF
- Accuracy (1 Year, 23°C ±5°C):
- 10 nF: ±(2.1% + 5 pF)
- 1 µF: ±1.0%
- 10 mF: ±2.0%
Frequency and Period (SM2042, SM2044):
- AC Voltage Mode: 1 Hz to 300 kHz
- AC Current Mode: 1 Hz to 500 kHz
- Resolution: 5½ digits
- Uncertainty: ±0.002% of reading (ACV), ±0.01% (ACI)
Pulse Width Measurement:
- Range: 2 µs to 1 s
- Resolution: 2 µs
- Accuracy: ±(0.01% of reading + 4 µs)
Totalizer Function:
- Count Capacity: 10⁹ events
- Rate: 1 to 30,000 events per second
- Polarity: Positive or negative edge selectable
### 4. Functionality
The SM2042 operates as a fully integrated PCI-based digital multimeter, performing precision electrical measurements directly from within a host PC. It supports both manual and automated operation through software control. The device automatically ranges across measurement modes and scales, ensuring optimal resolution and accuracy without manual intervention.
Typical Use Cases:
- Automated test equipment (ATE) systems
- Production line testing and quality assurance
- Research laboratories and calibration facilities
- Aerospace and automotive electronics testing
- Telecommunications and instrumentation development
- Educational and training laboratories
Compatibility:
- PCI bus interface for standard desktop or industrial PCs
- Compatible with ADLINK and Signametrics software environments
- Supports integration with LabVIEW, MATLAB, and other test automation platforms
### 5. Components & Accessories
Included Components:
- SM2042 PCI Digital Multimeter card
- Software package with graphical user interface (PnP)
- User manual and calibration data file
Optional Accessories:
- Termination boards for signal routing and wiring
- Shielded cables for low-noise measurement
- External trigger and synchronization cables (DIN-7 connector)
- Calibration and verification kits
Connectors:
- PCI edge connector for host interface
- DIN-7 connector for external trigger input/output
### 6. Installation & Setup
System Requirements:
- Available PCI slot in host computer
- +5 V DC power supply (300 mA max)
- Compatible operating system with driver support (Windows/Linux)
Installation Steps:
1. Power off the host PC and insert the SM2042 card into an available PCI slot.
2. Secure the card and reconnect system power.
3. Install the provided driver and software package.
4. Launch the graphical user interface to configure measurement parameters.
5. Perform self-calibration or zeroing as required for precision measurements.
Mounting Options:
- Standard PCI slot mounting within desktop or rack-mounted PCs
- Optional external wiring termination boards for signal management
Configuration:
- Software-controlled range selection and function switching
- User-selectable reading rate and resolution
- External or analog threshold triggering options
### 7. Performance & Capabilities
Speed and Throughput:
- Up to 1,000 readings per second for high-speed data acquisition
- Adjustable integration time for noise reduction or speed optimization
Measurement Capacity:
- DC voltage up to 330 V
- AC voltage up to 250 V RMS
- Current up to 2.5 A
- Resistance up to 330 MΩ
- Capacitance up to 10 mF
- Frequency up to 300 kHz (ACV) / 500 kHz (ACI)
Efficiency and Stability:
- Self-calibrating architecture minimizes drift
- Internal temperature compensation ensures consistent accuracy
- High input impedance reduces loading effects
Limitations:
- Inductance measurement not available on SM2042 (SM2044 only)
- 6-wire guarded resistance and sourcing functions exclusive to SM2044 model
### 8. Standards & Compliance
Safety and Electrical Standards:
- Designed to IEC 1010-1 (Safety Requirements for Electrical Equipment for Measurement, Control, and Laboratory Use)
- Installation Category II
- 330 V DC / 250 V AC isolation from earth ground
Regulatory Compliance:
- CE compliant (electromagnetic compatibility and safety)
- RoHS compliant (lead-free manufacturing)
- Factory-calibrated to traceable standards
Calibration:
- Performed under controlled conditions (3°C internal temperature rise)
- Calibration constants stored digitally in onboard memory
- Field recalibration supported via software interface
### 9. Additional Information
Warranty:
- Standard manufacturer’s warranty (typically one year, extendable)
- Covers defects in materials and workmanship under normal use
Technical Support:
- Comprehensive online resources, manuals, and driver downloads
- Application engineering support from ADLINK/Signametrics
- Software updates and driver patches available via manufacturer’s website
Maintenance:
- Periodic calibration recommended for sustained accuracy
- Self-calibration function reduces maintenance frequency
- Clean with dry air or lint-free cloth; avoid moisture exposure
Software and Firmware Updates:
- PnP software with GUI for configuration, data logging, and visualization
- Firmware updates available for performance enhancements and new features
- Compatible with automation environments (LabVIEW, MATLAB, C/C++ APIs)
### Summary
The SM2042 PCI Digital 6½-Digit Multifunction Multimeter is a precision instrument engineered for high-performance measurement applications within PCI-based systems. Combining laboratory-grade accuracy, high-speed sampling, and extensive measurement functionality, it serves as a versatile solution for automated test systems, research environments, and industrial quality control. With its wide measurement range, robust isolation, and compliance with international safety standards, the SM2042 delivers reliable, repeatable, and accurate results across a broad spectrum of electrical measurement tasks.
Its self-calibrating design, software integration, and compact PCI form factor make it an ideal choice for engineers and scientists seeking a dependable, high-resolution DMM for embedded or automated test applications.
### 1. Product Overview
Product Name: SM2042 PCI Digital 6½-Digit Multifunction Multimeter
Model Number: SM2042
Series: SM2040 Series
Article Number: SM2042
Manufacturer: Signametrics / ADLINK Technology
The SM2042 is a high-precision, PCI-based digital multimeter (DMM) designed for automated test and measurement systems requiring laboratory-grade accuracy, speed, and versatility. As part of the SM2040 Series, it offers 6½-digit resolution, auto-ranging measurement capability, and a wide range of electrical measurement functions including DC/AC voltage and current, resistance (2-wire and 4-wire), frequency, capacitance, and more. The SM2042 is engineered for integration into PCI-based test systems, providing a compact, high-performance measurement solution for industrial, scientific, and educational applications.
### 2. Key Features
- High Resolution and Accuracy:
6½-digit resolution with up to 0.0045% basic DC voltage accuracy ensures precise and repeatable measurements.
- High-Speed Measurement:
Capable of up to 1,000 readings per second, enabling rapid data acquisition in automated test environments.
- Multifunction Measurement Capability:
Measures DC and AC voltage and current, 2-wire and 4-wire resistance, capacitance, frequency, and period. Supports true RMS AC measurements from 10 Hz to 100 kHz.
- Wide Measurement Range:
Voltage measurement from 1 µV to 330 V, current measurement up to 2.5 A, and resistance measurement up to 330 MΩ.
- Frequency and Timing Functions:
Frequency counter from 1 Hz to 300 kHz, period measurement, pulse width, and totalizer functions.
- Capacitance Measurement:
Ranges from 10 nF to 10 mF with high accuracy and stability.
- Self-Calibration:
Internal self-calibration ensures long-term accuracy and minimizes drift.
- High Isolation and Safety:
330 V DC / 250 V AC isolation from earth ground, designed to IEC 1010-1 safety standards (Installation Category II).
- Software Integration:
Includes PnP software with a graphical user interface for configuration, control, and data visualization.
- Compact PCI Form Factor:
Designed for PCI slot installation with dimensions of 208 mm × 112 mm, requiring only +5 V at 300 mA.
### 3. Technical Specifications
General Specifications:
- Resolution: 6½ digits (up to 1,200,000 counts)
- Reading Rate: 0.5 to 1,000 readings per second (user-selectable)
- Up to 10 rps at 6½ digits
- Up to 30 rps at 5½ digits
- Isolation: 330 V DC / 250 V AC from earth ground
- Overload Protection: 330 V DC, 250 V AC
- Operating Temperature: -10 °C to +70 °C
- Storage Temperature: -65 °C to +85 °C
- Power Requirements: +5 V DC, 300 mA max
- Dimensions: 208 mm (L) × 112 mm (H)
- Safety Compliance: IEC 1010-1, Installation Category II
DC Voltage Measurement:
- Ranges: 330 mV, 3.3 V, 33 V, 330 V
- Resolution: 100 nV to 100 µV
- Input Resistance: >10 GΩ (low ranges), 10 MΩ (high ranges)
- Accuracy (1 Year, 23°C ±5°C):
- 330 mV: ±(0.007% + 8 µV)
- 3.3 V: ±(0.0045% + 17 µV)
- 33 V: ±(0.007% + 330 µV)
- 330 V: ±(0.008% + 1.5 mV)
DC Current Measurement:
- Ranges: 3.3 mA, 33 mA, 330 mA, 2.5 A
- Resolution: 10 nA to 10 µA
- Burden Voltage: 350 mV max
- Accuracy (1 Year, 23°C ±5°C):
- 3.3 mA: ±(0.1% + 400 nA)
- 33 mA: ±(0.1% + 3 µA)
- 330 mA: ±(0.075% + 60 µA)
- 2.5 A: ±(0.65% + 350 µA)
AC Voltage (True RMS):
- Ranges: 330 mV, 3.3 V, 33 V, 250 V
- Resolution: 100 nV to 100 µV
- Frequency Range: 10 Hz to 100 kHz
- Accuracy (1 Year, 23°C ±5°C):
- 47 Hz–10 kHz: ±(0.065% + 1.2 mV) typical at 3.3 V range
- 10 kHz–50 kHz: ±(0.70% + 1.5 mV)
- 50 kHz–100 kHz: ±(5.3% + 2 mV)
AC Current (True RMS):
- Ranges: 3.3 mA, 33 mA, 330 mA, 2.5 A
- Resolution: 1 nA to 1 µA
- Frequency Range: 10 Hz to 20 kHz
- Accuracy (1 Year, 23°C ±5°C):
- 47 Hz–1 kHz: ±(0.12% + 4 µA) typical at 3.3 mA range
- 1 kHz–10 kHz: ±(0.22% + 4 µA)
Resistance (2-Wire / 4-Wire):
- Ranges: 33 Ω to 330 MΩ
- Resolution: 10 µΩ to 1 kΩ
- Source Current: 10 mA to 10 nA
- Accuracy (1 Year, 23°C ±5°C):
- 33 Ω: ±(0.008% + 2 mΩ)
- 3.3 kΩ: ±(0.005% + 33 mΩ)
- 3.3 MΩ: ±(0.04% + 70 Ω)
- 330 MΩ: ±(2.0% + 80 kΩ)
- Note: 33 Ω and 330 MΩ ranges available only on SM2042 and SM2044.
Capacitance Measurement (SM2042, SM2044):
- Ranges: 10 nF to 10 mF
- Resolution: 1 pF to 1 µF
- Accuracy (1 Year, 23°C ±5°C):
- 10 nF: ±(2.1% + 5 pF)
- 1 µF: ±1.0%
- 10 mF: ±2.0%
Frequency and Period (SM2042, SM2044):
- AC Voltage Mode: 1 Hz to 300 kHz
- AC Current Mode: 1 Hz to 500 kHz
- Resolution: 5½ digits
- Uncertainty: ±0.002% of reading (ACV), ±0.01% (ACI)
Pulse Width Measurement:
- Range: 2 µs to 1 s
- Resolution: 2 µs
- Accuracy: ±(0.01% of reading + 4 µs)
Totalizer Function:
- Count Capacity: 10⁹ events
- Rate: 1 to 30,000 events per second
- Polarity: Positive or negative edge selectable
### 4. Functionality
The SM2042 operates as a fully integrated PCI-based digital multimeter, performing precision electrical measurements directly from within a host PC. It supports both manual and automated operation through software control. The device automatically ranges across measurement modes and scales, ensuring optimal resolution and accuracy without manual intervention.
Typical Use Cases:
- Automated test equipment (ATE) systems
- Production line testing and quality assurance
- Research laboratories and calibration facilities
- Aerospace and automotive electronics testing
- Telecommunications and instrumentation development
- Educational and training laboratories
Compatibility:
- PCI bus interface for standard desktop or industrial PCs
- Compatible with ADLINK and Signametrics software environments
- Supports integration with LabVIEW, MATLAB, and other test automation platforms
### 5. Components & Accessories
Included Components:
- SM2042 PCI Digital Multimeter card
- Software package with graphical user interface (PnP)
- User manual and calibration data file
Optional Accessories:
- Termination boards for signal routing and wiring
- Shielded cables for low-noise measurement
- External trigger and synchronization cables (DIN-7 connector)
- Calibration and verification kits
Connectors:
- PCI edge connector for host interface
- DIN-7 connector for external trigger input/output
### 6. Installation & Setup
System Requirements:
- Available PCI slot in host computer
- +5 V DC power supply (300 mA max)
- Compatible operating system with driver support (Windows/Linux)
Installation Steps:
1. Power off the host PC and insert the SM2042 card into an available PCI slot.
2. Secure the card and reconnect system power.
3. Install the provided driver and software package.
4. Launch the graphical user interface to configure measurement parameters.
5. Perform self-calibration or zeroing as required for precision measurements.
Mounting Options:
- Standard PCI slot mounting within desktop or rack-mounted PCs
- Optional external wiring termination boards for signal management
Configuration:
- Software-controlled range selection and function switching
- User-selectable reading rate and resolution
- External or analog threshold triggering options
### 7. Performance & Capabilities
Speed and Throughput:
- Up to 1,000 readings per second for high-speed data acquisition
- Adjustable integration time for noise reduction or speed optimization
Measurement Capacity:
- DC voltage up to 330 V
- AC voltage up to 250 V RMS
- Current up to 2.5 A
- Resistance up to 330 MΩ
- Capacitance up to 10 mF
- Frequency up to 300 kHz (ACV) / 500 kHz (ACI)
Efficiency and Stability:
- Self-calibrating architecture minimizes drift
- Internal temperature compensation ensures consistent accuracy
- High input impedance reduces loading effects
Limitations:
- Inductance measurement not available on SM2042 (SM2044 only)
- 6-wire guarded resistance and sourcing functions exclusive to SM2044 model
### 8. Standards & Compliance
Safety and Electrical Standards:
- Designed to IEC 1010-1 (Safety Requirements for Electrical Equipment for Measurement, Control, and Laboratory Use)
- Installation Category II
- 330 V DC / 250 V AC isolation from earth ground
Regulatory Compliance:
- CE compliant (electromagnetic compatibility and safety)
- RoHS compliant (lead-free manufacturing)
- Factory-calibrated to traceable standards
Calibration:
- Performed under controlled conditions (3°C internal temperature rise)
- Calibration constants stored digitally in onboard memory
- Field recalibration supported via software interface
### 9. Additional Information
Warranty:
- Standard manufacturer’s warranty (typically one year, extendable)
- Covers defects in materials and workmanship under normal use
Technical Support:
- Comprehensive online resources, manuals, and driver downloads
- Application engineering support from ADLINK/Signametrics
- Software updates and driver patches available via manufacturer’s website
Maintenance:
- Periodic calibration recommended for sustained accuracy
- Self-calibration function reduces maintenance frequency
- Clean with dry air or lint-free cloth; avoid moisture exposure
Software and Firmware Updates:
- PnP software with GUI for configuration, data logging, and visualization
- Firmware updates available for performance enhancements and new features
- Compatible with automation environments (LabVIEW, MATLAB, C/C++ APIs)
### Summary
The SM2042 PCI Digital 6½-Digit Multifunction Multimeter is a precision instrument engineered for high-performance measurement applications within PCI-based systems. Combining laboratory-grade accuracy, high-speed sampling, and extensive measurement functionality, it serves as a versatile solution for automated test systems, research environments, and industrial quality control. With its wide measurement range, robust isolation, and compliance with international safety standards, the SM2042 delivers reliable, repeatable, and accurate results across a broad spectrum of electrical measurement tasks.
Its self-calibrating design, software integration, and compact PCI form factor make it an ideal choice for engineers and scientists seeking a dependable, high-resolution DMM for embedded or automated test applications.
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