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- High Resolution and Accuracy:
6½-digit resolution with 0.0045% basic DC voltage accuracy ensures precise and repeatable measurements.
- High-Speed Measurement:
Capable of up to 1000 readings per second (rps), ideal for production testing and data acquisition systems.
- Comprehensive Measurement Functions:
Supports DC and AC voltage and current, 2-wire and 4-wire resistance, diode characterization, and true RMS AC measurements.
- Wide Measurement Range:
Measures from 1 µV to 330 V with 330 V isolation from earth ground.
- True RMS AC Measurement:
Frequency range from 10 Hz to 100 kHz, ensuring accurate readings for complex waveforms.
- Self-Calibration:
Internal self-calibration maintains accuracy over time and temperature variations.
- Software Integration:
Includes PNP (Plug and Play) software with a graphical user interface for configuration, control, and data visualization.
- Compact PCI Form Factor:
Designed for PCI bus systems, enabling easy integration into automated test setups.
- Safety and Isolation:
330 V DC / 250 V AC isolation and overload protection, compliant with IEC 1010-1, Installation Category II.
- Low Power Consumption:
Operates from a +5 V supply at 300 mA, minimizing system power requirements.
6½-digit resolution with 0.0045% basic DC voltage accuracy ensures precise and repeatable measurements.
- High-Speed Measurement:
Capable of up to 1000 readings per second (rps), ideal for production testing and data acquisition systems.
- Comprehensive Measurement Functions:
Supports DC and AC voltage and current, 2-wire and 4-wire resistance, diode characterization, and true RMS AC measurements.
- Wide Measurement Range:
Measures from 1 µV to 330 V with 330 V isolation from earth ground.
- True RMS AC Measurement:
Frequency range from 10 Hz to 100 kHz, ensuring accurate readings for complex waveforms.
- Self-Calibration:
Internal self-calibration maintains accuracy over time and temperature variations.
- Software Integration:
Includes PNP (Plug and Play) software with a graphical user interface for configuration, control, and data visualization.
- Compact PCI Form Factor:
Designed for PCI bus systems, enabling easy integration into automated test setups.
- Safety and Isolation:
330 V DC / 250 V AC isolation and overload protection, compliant with IEC 1010-1, Installation Category II.
- Low Power Consumption:
Operates from a +5 V supply at 300 mA, minimizing system power requirements.
Comprehensive Product Summary – SM2040 PCI Digital 6½ Digit Multimeter
### 1. Product Overview
Product Name: SM2040 PCI Digital Multimeter
Model: SM2040
Series: SM2040 Series – 6½ Digit PCI Digital Multimeters
Article Number: SM2040
Manufacturer: ADLINK Technology Inc. (Signametrics Division)
The SM2040 is a high-precision, PCI-based 6½-digit digital multimeter (DMM) designed for automated test systems and laboratory environments requiring high accuracy, speed, and multifunctional measurement capabilities. As part of the SM2040 Series, it represents the base model in a family that includes the SM2042 and SM2044 variants, each offering progressively advanced measurement and sourcing functions. The SM2040 provides a full-featured, auto-ranging DMM solution with 1000 readings per second, 0.0045% basic DC voltage accuracy, and true RMS AC measurements from 10 Hz to 100 kHz.
### 2. Key Features
- High Resolution and Accuracy:
6½-digit resolution with 0.0045% basic DC voltage accuracy ensures precise and repeatable measurements.
- High-Speed Measurement:
Capable of up to 1000 readings per second (rps), ideal for production testing and data acquisition systems.
- Comprehensive Measurement Functions:
Supports DC and AC voltage and current, 2-wire and 4-wire resistance, diode characterization, and true RMS AC measurements.
- Wide Measurement Range:
Measures from 1 µV to 330 V with 330 V isolation from earth ground.
- True RMS AC Measurement:
Frequency range from 10 Hz to 100 kHz, ensuring accurate readings for complex waveforms.
- Self-Calibration:
Internal self-calibration maintains accuracy over time and temperature variations.
- Software Integration:
Includes PNP (Plug and Play) software with a graphical user interface for configuration, control, and data visualization.
- Compact PCI Form Factor:
Designed for PCI bus systems, enabling easy integration into automated test setups.
- Safety and Isolation:
330 V DC / 250 V AC isolation and overload protection, compliant with IEC 1010-1, Installation Category II.
- Low Power Consumption:
Operates from a +5 V supply at 300 mA, minimizing system power requirements.
### 3. Technical Specifications
Physical Dimensions: 208 mm (L) × 112 mm (H) (excluding connectors)
Weight: Approx. 0.5 kg (typical for PCI card form factor)
Power Requirements: +5 V DC @ 300 mA maximum
Operating Temperature: -10 °C to +70 °C
Storage Temperature: -65 °C to +85 °C
Isolation: 330 V DC / 250 V AC from earth ground
Overload Protection: 330 V DC, 250 V AC on voltage inputs
Safety Compliance: IEC 1010-1, Installation Category II
Performance Summary:
- Resolution: 6½ digits (up to 1 µV or 100 nV resolution depending on range)
- Reading Rate: 0.5 to 1000 readings per second (user-selectable)
- Accuracy (DCV): ±(0.0045% of reading + 8 µV) typical
- Input Impedance: >10 GΩ on low-voltage ranges, 10 MΩ on higher ranges
- Isolation Voltage: 330 V DC / 250 V AC
- Calibration: Factory-calibrated with stored constants; self-calibrating capability
### 4. Functionality
The SM2040 operates as a PCI-based digital multimeter that performs precision electrical measurements directly from a host PC. It connects via the PCI bus, allowing direct control and data acquisition through software interfaces.
Measurement Functions:
- DC Voltage: 330 mV to 330 V ranges, resolution down to 100 nV
- AC Voltage (True RMS): 330 mV to 250 V, 10 Hz to 100 kHz
- DC Current: 3.3 mA to 2.5 A, resolution down to 10 nA
- AC Current (True RMS): 3.3 mA to 2.5 A, 10 Hz to 20 kHz typical
- Resistance: 2-wire and 4-wire measurements from 33 Ω to 330 MΩ
- Diode Test: Up to 4 V compliance, selectable test currents from 100 nA to 1 mA
- Frequency and Period (SM2042/44): 1 Hz to 300 kHz (ACV mode), 1 Hz to 500 kHz (ACI mode)
- Capacitance (SM2042/44): 10 nF to 10 mF
- Inductance (SM2044): 33 µH to 3.3 H
Applications:
- Automated test equipment (ATE)
- Laboratory and R&D measurement systems
- Telecommunication and aerospace testing
- Automotive electronics validation
- Educational and research instrumentation
Compatibility:
- PCI bus interface for desktop or industrial PCs
- Compatible with ADLINK’s software suite and standard programming environments (C/C++, LabVIEW, etc.)
### 5. Components & Accessories
Included Items:
- SM2040 PCI Digital Multimeter card
- Software package with graphical user interface (PNP software)
- User manual and installation guide
- Calibration certificate
Optional Accessories:
- Termination Boards: For signal routing and wiring convenience
- Cables and Connectors: DIN-7 trigger connector, shielded measurement leads
- Companion Models:
- SM2042: Multifunction DMM with extended measurement functions
- SM2044: LCR sourcing DMM with voltage/current sourcing and inductance measurement
### 6. Installation & Setup
System Requirements:
- PCI slot (32-bit, 33 MHz compatible)
- Host PC running supported operating system (Windows or Linux)
- +5 V DC power supply from PCI bus
Installation Steps:
1. Power off the host PC and insert the SM2040 card into an available PCI slot.
2. Secure the card using the chassis bracket.
3. Connect measurement leads to the front-panel terminals or termination board.
4. Install the provided software and drivers.
5. Launch the graphical user interface to configure measurement parameters.
6. Perform self-calibration if required for optimal accuracy.
Mounting Options:
- Standard PCI slot mounting within desktop or rackmount PC chassis.
- Compatible with industrial PCs and CompactPCI systems via adapters.
Configuration:
- Software-configurable measurement ranges and functions.
- Supports external triggering and analog threshold triggering for synchronized measurements.
- Calibration constants stored internally for automatic compensation.
### 7. Performance & Capabilities
Measurement Speed:
- Up to 1000 readings per second at reduced resolution (4½ digits)
- Up to 10 readings per second at full 6½-digit resolution
Accuracy and Stability:
- DC Voltage: ±(0.004% + 1 mV) typical
- AC Voltage: ±(0.065% + 1.2 mV) at 47 Hz–10 kHz
- Resistance: ±(0.0023% + 28 mΩ) typical at 3.3 kΩ range
- Current: ±(0.04% + 1 µA) typical at 33 mA range
Input Protection and Isolation:
- 330 V DC / 250 V AC isolation from earth ground
- Overload protection on all voltage inputs
Triggering Capabilities:
- External Hardware Trigger: TTL/CMOS compatible, +3 V to +15 V high level, -15 V to +0.8 V low level
- Analog Threshold Trigger: Captures up to 64 post-trigger readings at ≥10 rps
Environmental Performance:
- Operates reliably from -10 °C to +70 °C
- Calibrated at 3 °C internal temperature rise for thermal stability
Limitations:
- No built-in sourcing or inductance measurement (available only on SM2044)
- Frequency and capacitance functions limited to SM2042/44 models
### 8. Standards & Compliance
Safety Standards:
- Designed to IEC 1010-1, Installation Category II
- Overvoltage protection up to 330 V DC / 250 V AC
Regulatory Compliance:
- Meets industrial EMC and safety requirements for PCI instrumentation
- Calibration traceable to international standards
Industry Standards:
- PCI bus interface compliant with PCI Local Bus Specification
- Measurement accuracy and performance aligned with high-end system DMM standards
Environmental Compliance:
- RoHS-compliant construction (lead-free components)
- Designed for long-term reliability in industrial environments
### 9. Additional Information
Warranty:
Standard manufacturer’s warranty (typically one year) covering defects in materials and workmanship. Extended warranty and calibration service contracts available upon request.
Support:
- Technical support via ADLINK’s global service network
- Online resources including drivers, manuals, and software updates
- Calibration and repair services available through authorized centers
Maintenance:
- Periodic calibration recommended annually for optimal accuracy
- Self-calibration function compensates for drift and temperature effects
- Minimal maintenance required due to solid-state design
Software & Updates:
- PNP software with GUI for configuration, measurement, and data logging
- Compatible with ADLINK’s measurement and automation software suite
- Regular firmware and driver updates available from manufacturer website
Ordering Information:
- SM2040: 6½-digit PCI Digital Multimeter (base model)
- SM2042: 6½-digit PCI Multifunction Digital Multimeter (adds frequency, capacitance)
- SM2044: 6½-digit PCI LCR Sourcing Digital Multimeter (adds sourcing and inductance)
Manufacturer Contact:
ADLINK Technology Inc.
Website: [www.adlinktech.com](http://www.adlinktech.com)
### Summary
The SM2040 PCI Digital 6½ Digit Multimeter is a precision measurement instrument engineered for high-performance automated test and measurement systems. Combining laboratory-grade accuracy with industrial reliability, it delivers a versatile solution for DC/AC voltage and current, resistance, and diode testing. Its PCI interface, self-calibration, and software integration make it ideal for embedded test systems, production lines, and research environments. With a compact form factor, 330 V isolation, and 1000 readings per second throughput, the SM2040 provides an optimal balance of speed, precision, and functionality for demanding measurement applications.
### 1. Product Overview
Product Name: SM2040 PCI Digital Multimeter
Model: SM2040
Series: SM2040 Series – 6½ Digit PCI Digital Multimeters
Article Number: SM2040
Manufacturer: ADLINK Technology Inc. (Signametrics Division)
The SM2040 is a high-precision, PCI-based 6½-digit digital multimeter (DMM) designed for automated test systems and laboratory environments requiring high accuracy, speed, and multifunctional measurement capabilities. As part of the SM2040 Series, it represents the base model in a family that includes the SM2042 and SM2044 variants, each offering progressively advanced measurement and sourcing functions. The SM2040 provides a full-featured, auto-ranging DMM solution with 1000 readings per second, 0.0045% basic DC voltage accuracy, and true RMS AC measurements from 10 Hz to 100 kHz.
### 2. Key Features
- High Resolution and Accuracy:
6½-digit resolution with 0.0045% basic DC voltage accuracy ensures precise and repeatable measurements.
- High-Speed Measurement:
Capable of up to 1000 readings per second (rps), ideal for production testing and data acquisition systems.
- Comprehensive Measurement Functions:
Supports DC and AC voltage and current, 2-wire and 4-wire resistance, diode characterization, and true RMS AC measurements.
- Wide Measurement Range:
Measures from 1 µV to 330 V with 330 V isolation from earth ground.
- True RMS AC Measurement:
Frequency range from 10 Hz to 100 kHz, ensuring accurate readings for complex waveforms.
- Self-Calibration:
Internal self-calibration maintains accuracy over time and temperature variations.
- Software Integration:
Includes PNP (Plug and Play) software with a graphical user interface for configuration, control, and data visualization.
- Compact PCI Form Factor:
Designed for PCI bus systems, enabling easy integration into automated test setups.
- Safety and Isolation:
330 V DC / 250 V AC isolation and overload protection, compliant with IEC 1010-1, Installation Category II.
- Low Power Consumption:
Operates from a +5 V supply at 300 mA, minimizing system power requirements.
### 3. Technical Specifications
Physical Dimensions: 208 mm (L) × 112 mm (H) (excluding connectors)
Weight: Approx. 0.5 kg (typical for PCI card form factor)
Power Requirements: +5 V DC @ 300 mA maximum
Operating Temperature: -10 °C to +70 °C
Storage Temperature: -65 °C to +85 °C
Isolation: 330 V DC / 250 V AC from earth ground
Overload Protection: 330 V DC, 250 V AC on voltage inputs
Safety Compliance: IEC 1010-1, Installation Category II
Performance Summary:
- Resolution: 6½ digits (up to 1 µV or 100 nV resolution depending on range)
- Reading Rate: 0.5 to 1000 readings per second (user-selectable)
- Accuracy (DCV): ±(0.0045% of reading + 8 µV) typical
- Input Impedance: >10 GΩ on low-voltage ranges, 10 MΩ on higher ranges
- Isolation Voltage: 330 V DC / 250 V AC
- Calibration: Factory-calibrated with stored constants; self-calibrating capability
### 4. Functionality
The SM2040 operates as a PCI-based digital multimeter that performs precision electrical measurements directly from a host PC. It connects via the PCI bus, allowing direct control and data acquisition through software interfaces.
Measurement Functions:
- DC Voltage: 330 mV to 330 V ranges, resolution down to 100 nV
- AC Voltage (True RMS): 330 mV to 250 V, 10 Hz to 100 kHz
- DC Current: 3.3 mA to 2.5 A, resolution down to 10 nA
- AC Current (True RMS): 3.3 mA to 2.5 A, 10 Hz to 20 kHz typical
- Resistance: 2-wire and 4-wire measurements from 33 Ω to 330 MΩ
- Diode Test: Up to 4 V compliance, selectable test currents from 100 nA to 1 mA
- Frequency and Period (SM2042/44): 1 Hz to 300 kHz (ACV mode), 1 Hz to 500 kHz (ACI mode)
- Capacitance (SM2042/44): 10 nF to 10 mF
- Inductance (SM2044): 33 µH to 3.3 H
Applications:
- Automated test equipment (ATE)
- Laboratory and R&D measurement systems
- Telecommunication and aerospace testing
- Automotive electronics validation
- Educational and research instrumentation
Compatibility:
- PCI bus interface for desktop or industrial PCs
- Compatible with ADLINK’s software suite and standard programming environments (C/C++, LabVIEW, etc.)
### 5. Components & Accessories
Included Items:
- SM2040 PCI Digital Multimeter card
- Software package with graphical user interface (PNP software)
- User manual and installation guide
- Calibration certificate
Optional Accessories:
- Termination Boards: For signal routing and wiring convenience
- Cables and Connectors: DIN-7 trigger connector, shielded measurement leads
- Companion Models:
- SM2042: Multifunction DMM with extended measurement functions
- SM2044: LCR sourcing DMM with voltage/current sourcing and inductance measurement
### 6. Installation & Setup
System Requirements:
- PCI slot (32-bit, 33 MHz compatible)
- Host PC running supported operating system (Windows or Linux)
- +5 V DC power supply from PCI bus
Installation Steps:
1. Power off the host PC and insert the SM2040 card into an available PCI slot.
2. Secure the card using the chassis bracket.
3. Connect measurement leads to the front-panel terminals or termination board.
4. Install the provided software and drivers.
5. Launch the graphical user interface to configure measurement parameters.
6. Perform self-calibration if required for optimal accuracy.
Mounting Options:
- Standard PCI slot mounting within desktop or rackmount PC chassis.
- Compatible with industrial PCs and CompactPCI systems via adapters.
Configuration:
- Software-configurable measurement ranges and functions.
- Supports external triggering and analog threshold triggering for synchronized measurements.
- Calibration constants stored internally for automatic compensation.
### 7. Performance & Capabilities
Measurement Speed:
- Up to 1000 readings per second at reduced resolution (4½ digits)
- Up to 10 readings per second at full 6½-digit resolution
Accuracy and Stability:
- DC Voltage: ±(0.004% + 1 mV) typical
- AC Voltage: ±(0.065% + 1.2 mV) at 47 Hz–10 kHz
- Resistance: ±(0.0023% + 28 mΩ) typical at 3.3 kΩ range
- Current: ±(0.04% + 1 µA) typical at 33 mA range
Input Protection and Isolation:
- 330 V DC / 250 V AC isolation from earth ground
- Overload protection on all voltage inputs
Triggering Capabilities:
- External Hardware Trigger: TTL/CMOS compatible, +3 V to +15 V high level, -15 V to +0.8 V low level
- Analog Threshold Trigger: Captures up to 64 post-trigger readings at ≥10 rps
Environmental Performance:
- Operates reliably from -10 °C to +70 °C
- Calibrated at 3 °C internal temperature rise for thermal stability
Limitations:
- No built-in sourcing or inductance measurement (available only on SM2044)
- Frequency and capacitance functions limited to SM2042/44 models
### 8. Standards & Compliance
Safety Standards:
- Designed to IEC 1010-1, Installation Category II
- Overvoltage protection up to 330 V DC / 250 V AC
Regulatory Compliance:
- Meets industrial EMC and safety requirements for PCI instrumentation
- Calibration traceable to international standards
Industry Standards:
- PCI bus interface compliant with PCI Local Bus Specification
- Measurement accuracy and performance aligned with high-end system DMM standards
Environmental Compliance:
- RoHS-compliant construction (lead-free components)
- Designed for long-term reliability in industrial environments
### 9. Additional Information
Warranty:
Standard manufacturer’s warranty (typically one year) covering defects in materials and workmanship. Extended warranty and calibration service contracts available upon request.
Support:
- Technical support via ADLINK’s global service network
- Online resources including drivers, manuals, and software updates
- Calibration and repair services available through authorized centers
Maintenance:
- Periodic calibration recommended annually for optimal accuracy
- Self-calibration function compensates for drift and temperature effects
- Minimal maintenance required due to solid-state design
Software & Updates:
- PNP software with GUI for configuration, measurement, and data logging
- Compatible with ADLINK’s measurement and automation software suite
- Regular firmware and driver updates available from manufacturer website
Ordering Information:
- SM2040: 6½-digit PCI Digital Multimeter (base model)
- SM2042: 6½-digit PCI Multifunction Digital Multimeter (adds frequency, capacitance)
- SM2044: 6½-digit PCI LCR Sourcing Digital Multimeter (adds sourcing and inductance)
Manufacturer Contact:
ADLINK Technology Inc.
Website: [www.adlinktech.com](http://www.adlinktech.com)
### Summary
The SM2040 PCI Digital 6½ Digit Multimeter is a precision measurement instrument engineered for high-performance automated test and measurement systems. Combining laboratory-grade accuracy with industrial reliability, it delivers a versatile solution for DC/AC voltage and current, resistance, and diode testing. Its PCI interface, self-calibration, and software integration make it ideal for embedded test systems, production lines, and research environments. With a compact form factor, 330 V isolation, and 1000 readings per second throughput, the SM2040 provides an optimal balance of speed, precision, and functionality for demanding measurement applications.
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