Description
Biasing two terminals of a device at once takes two precise channels, not one meter swapped between them. The Keysight B2902C source measure unit provides exactly that, with two channels that each reach 210 V. Lost in HCM lists it for rental and sale, so you can rent it for a study or buy it for the lab.
Two channels, each with four quadrants
Every channel sources and measures in both polarities. Consequently, it can sink current as well as supply it. A graphical dual-channel view on the 4.3-inch color display shows both channels together. Sweep, pulse, arbitrary-waveform and digitizing functions cover the common characterization tasks.
Keysight B2902C source measure unit figures
| Item | Value |
|---|---|
| Channels | 2 |
| Maximum voltage per channel | 210 V |
| Maximum DC current | 3.03 A |
| Maximum pulse current | 10.5 A |
| Minimum current measurement resolution | 100 fA |
| Minimum sampling interval | 20 microseconds |
Installed options change what a delivered unit offers, so the serial-number configuration in your quote takes precedence.
Tests that need a pair
Semiconductor I-V characterization is the first use, because a transistor needs two biases. DC-DC converter and battery-device testing follow. Sensor and material research benefit from the low current floor. Moreover, production limit testing and automated sweeps run through LAN/LXI, USB and SCPI commands.
Choosing between one and two channels
A single channel suits one biased terminal. Two channels suit a transistor, a diode pair or a device that needs a supply and a stimulus. The Keysight B2902C source measure unit also helps when two parts must be measured in the same sweep. Low-current work still depends on cables, fixtures and shielding, so list those in the request. In addition, think about how you will log data. The unit offers a graphical view for quick checks, while LAN or USB suits a script that saves every sweep to a file.
How to request it
Tell Lost in HCM the voltage and current you expect and the accessories you need. Add the dates and the delivery site. Then ask for a quote. The source measure unit category lists related models, and the Keysight website carries official data. You can also contact SMK Vietnam.
B2902C questions
What is the lowest current it resolves?
The minimum current measurement resolution is 100 fA.
How does it connect to a PC?
It lists LAN/LXI and USB, and it accepts SCPI commands.
How short is the sampling interval?
The minimum sampling interval is 20 microseconds.
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