Front Panel & Physical Interface Configuration

• Single-width 3U PXI peripheral slot occupation, no additional chassis slots required
• 4-terminal isolated banana jack interface: HI, LO, Guard, Ground safety terminal
• Built-in overcurrent fuse: 3 A slow-blow replaceable internal fuse for current input protection
• Front panel LED indicators: Power status, measurement overload alarm
• Backplane interface: Standard PXI parallel bus + PXI trigger bus, no RTSI expansion

Core DMM Measurement Performance

• DC Voltage: Range ±10 nV ~ ±1000 V; 7½-digit resolution; 2-year accuracy ±12 ppm reading error
• AC Voltage: Bandwidth 1 Hz ~ 300 kHz; 6½-digit resolution; crest factor support up to 10:1
• DC/AC Current: Range ±1 pA ~ ±3 A; maximum burden voltage <700 mV @ 3 A range
• Resistance: 2-wire/4-wire modes; range 10 µΩ ~ 5 GΩ; eliminates lead resistance error via 4-wire sensing
• Frequency/Period: 1 Hz ~ 500 kHz input range, minimum measurable amplitude 50 mVrms

Isolated Digitizer Dynamic Parameters

• Max sampling rate: 1.8 MS/s simultaneous sampling across all voltage/current ranges
• Analog bandwidth (-3dB): 340 kHz @ 100 mV range, 320 kHz @ 1000 V high voltage range
• THD performance: -110 dB @ 1 kHz input, -86 dB @ 20 kHz high-frequency input
• Input impedance: >10 GΩ parallel with 90 pF for low voltage ranges; 10 MΩ fixed for high voltage ranges
• Reading throughput: Max 10,000 readings/s @ 4½-digit resolution, 7 readings/s @ full 7½-digit resolution

Isolation & Noise Rejection Specifications

• Channel-to-chassis isolation: 1,400 Vrms continuous withstand, 4,200 V transient surge withstand
• DC CMRR: >140 dB standard, >170 dB with high-order noise rejection enabled
• 60Hz NMRR: >60 dB for power frequency common-mode noise suppression
• Input bias current: <30 pA @ 23℃, ultra-low bias for high-impedance sensor measurement
• Safety rating: IEC 61010-1 CAT II 1000 V, Pollution Degree 2 indoor use

Calibration & Temperature Drift Parameters

• Onboard self-calibration: Full-range DC/resistance auto-calibration triggered by software, no external standards required
• Auto-zero function: Eliminates thermal offset drift for microvolt-level low-signal measurement
• Temperature coefficient: 0.02 ppm/℃ for DC voltage, 0.5 ppm/℃ for resistance measurement
• Calibration cycle: Recommended 2-year external traceable calibration interval

PXI Bus & Power Consumption

• PXI compliance: PXI Rev.2.2 peripheral module standard, 33 MHz 32-bit PCI bus
• Trigger resource: Supports PXI star trigger and local trigger for multi-module synchronous acquisition
• Backplane power draw: 0.75 A @ +5 V rail, negligible ±12 V current; total power 3.8 W typical
• Bus synchronization skew: <500 ns when synchronized with PXI switch/DAQ modules

Mechanical & Environmental Specifications

• Dimension: 160 × 100 mm standard 3U PXI module footprint
• Weight: 220 g bare module weight
• Operating temperature: 0℃ ~ +55℃; Storage temperature: -40℃ ~ +85℃
• Humidity: 10%–90% non-condensing, max working altitude 2000 m
• EMC compliance: CE, FCC Class A industrial electromagnetic certification

Compatibility Matching List

• Compatible chassis: PXI-1031, PXI-1042, PXI-1045 all legacy 3U PXI chassis
• Compatible controllers: PXI-8186 and all NI embedded/external PXI controllers
• Matching accessories: TB-2627 terminal block, high-voltage insulated test leads
• Official status: Fully obsolete, no official new stock or repair service

Software Compatibility

• Drivers: NI-DMM, NI-DAQmx parallel compatible, NI-VISA
• Configuration tools: NI MAX, DMM Interactive Panel, FlexDMM tuning utility
• Supported software: LabVIEW all versions, LabWindows/CVI, Python PyVISA, C#
• Supported OS: Windows XP/7/10, Phar Lap ETS real-time system

Pros & Limitations

• Pros: Dual DMM/digitizer integrated design, 1000V high isolation safety, industry-leading 7½-digit DC resolution, onboard self-calibration for long-term stability, ultra-low input bias current, full PXI trigger synchronization
• Limitations: Single measurement channel only, limited 340kHz analog bandwidth, no onboard cold junction compensation for temperature measurement, obsolete driver support for Windows 11