Description
The NI PXI-4022 Guard and Current Amplifier is an advanced addition to the PXI Multimeters category, designed to enhance the precision and reliability of your measurements. With a part number of 779614-01, this device stands out for its high input impedance of >1010 Ω and an impressively low input bias current of < 5 pA, ensuring minimal interference with the measurement circuit.
It offers a maximum output voltage range of ±12 V and can drive currents up to ±15 mA, making it versatile for a wide range of applications. The PXI-4022 is also robust, featuring a surge voltage capability of up to 2,500 V, which safeguards the device against unexpected voltage spikes. Additionally, its terminals are made from low-EMF, low-leakage, gold-plated, solid copper, which minimizes measurement errors caused by terminal oxidation or contamination.
This device is classified under Measurement Category II, suitable for measurements performed on circuits directly connected to the low-voltage installation. It can handle signal voltage levels of less than or equal to 250V, making it safe and reliable for a broad spectrum of electrical testing tasks. The PXI-4022 also incorporates overvoltage protection for Guard out, Guard In “+”, and Guard In “-“, enhancing its safety features.
The front panel of the PXI-4022 includes connectors for guard/amplifier output, guard/amplifier positive input, Guard-Sense/amplifier negative input, and two Floating common (LO) terminals, providing flexibility and ease of integration into your existing PXI system. With these capabilities, the NI PXI-4022 Guard and Current Amplifier for Digital Multimeters is an essential tool for engineers and technicians who require high precision and reliability in their measurements.
| Specification | Detail |
|---|---|
| Part Number | 779614-01 |
| Category | PXI Multimeters |
| Model | PXI-4022 |
| Description | NI PXI-4022 Guard and Current Amplifier for Digital Multimeters |
| Input Impedance | >1010 Ω |
| Input Bias Current | < 5 pA |
| Max Output Voltage Range | ±12 V |
| Max Output Drive Current | ±15 mA |
| Surge Voltage Capability | Up to 2,500 V |
| Terminals | Low-EMF, low-leakage, gold plated, solid copper input terminals |
| Measurement Category | II |
| Signal Voltage Level | Less than or equal to 250V |
| Overvoltage Protection | Integrated for Guard out, Guard In “+”, and Guard In “-“ |
| Front Panel Connectors | Guard/amplifier output, Guard/amplifier positive input, Guard-Sense/amplifier negative input, two Floating common (LO) |
