Modular Systems > National Instruments > PXI Source Measure Units
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PXIe-4138, ±3 A Maximum DC Current, ±60 V, PXI Source Measure Unit
National Instruments PXIe-4138 PXI Source Measure Unit
The PXIe-4138 (Part Number: 782856-01) is a high-power, high-precision, and high-speed Source Measure Unit (SMU) designed for a wide range of applications, including manufacturing test and characterization. This single-channel SMU combines a digital control loop design with precision components to enable voltage-controlled or current-controlled sourcing while simultaneously measuring voltage and current output.
One key advantage of the PXIe-4138’s digital control loop architecture is its ability to provide programmable regulation for fast transient response and stability adjustments, ensuring optimal performance across varying load conditions. It can operate in constant voltage (CV) mode or constant current (CC) mode, where it accurately regulates either voltage or current while limiting the complementary parameter.
The PXIe-4138 supports local and remote sense measurement modes. The integrating ADCs provide simultaneous voltage and current readings at the output or remote sense terminals, ensuring accurate power delivery and load compensation. The NI-DCPower driver software supports LabVIEW, LabWindows/CVI, Microsoft Visual Studio (C, C++), and Python via the NI-DCPower API.
This SMU has a recommended operating temperature range of 0 °C to 55 °C, a storage temperature range of -40 °C to 70 °C, and can withstand up to 30 g peak operating shock and 0.3 grms random vibration (5 Hz to 500 Hz).
| Model | PXIe-4138 |
|---|---|
| Part Number | 782856-01 |
| Manufacturer | National Instruments |
| Type | PXI Source Measure Unit |
| SMU Channels | 1 |
| Connector | 8-Position Combicon |
| Voltage Range | ±600 mV, ±6 V, ±60 V |
| Current Range | ±1 μA, ±10 μA, ±100 μA, ±1 mA, ±10 mA, ±100 mA, ±1 A, ±3 A |
| Voltage Measurement Resolution | 1 μV (600 mV range), 10 μV (6 V range), 100 μV (60 V range) |
| Current Measurement Resolution | 1 pA (1 μA range), 10 pA (10 μA range), 100 pA (100 μA range), 1 μA (1 A range), 10 μA (3 A range) |
| Transient Response | <70 μs to recover within 0.1% of voltage range after a load current step from 10% to 90% |
| Settling Time | <200 μs for 50 V step (unloaded), <70 μs for 5 V step (unloaded) |
| Power Requirements | 2.5 A from +3.3 V rail, 2.2 A from +12 V rail |
| Dimensions | 0.8 × 5.1 × 8.5 in. |
| Weight | 14.8 oz. |
| Warranty | Three Year Warranty |
| PXIe-4138 Manual | User Manual and Maintenance Manual Available for Download |
| Price | Contact a sales representative for a quote. |
Associated part numbers for PXIe-4138:
National Instruments PXIe-4138 Frequently Asked Questions
Question: Which types of output trigger events are available on the PXIe-4138?
Answer: The PXIe-4138 has the following output trigger events available: Ready for Pulse, Source Complete, Pulse Complete, Sequence Iteration Complete, Measure Complete, and Sequence Engine Done.
Question: Does the NI PXIe-4138 have a self-calibration feature?
Answer: Yes, the NI PXIe-4138 has a self-calibration feature.
Question: What is the maximum sampling rate of the PXIe-4138?
Answer: The maximum sampling rate of the PXIe-4138 is 1.8 MS/s.
Question: What is the continuous isolation voltage, channel-to-earth ground on the NI PXIe-4138?
Answer: The NI PXIe-4138 has a continuous isolation voltage, channel-to-earth ground of 150 VDC, CAT I.
| Accessory Type | Model Name | Part Number |
|---|---|---|
| Screw Terminal Accessory | Screw Terminal Connector Kit | 784068-01 |
| Cable | TriaxM-TriaxM | |
| Adapter | SA-413T | 784000-01 |
| - | - | - |
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