The AH401D Picoammeter is a compact and high precision 4 channel charge integration electrometer designed for accurate low current measurements. Built with an advanced charge integration input stage and a 20 bit delta sigma ADC, the instrument ensures reliable sensing of extremely small currents with minimal noise. Its simultaneous multi channel sampling, Ethernet connectivity, and trigger input make it a powerful solution for beam monitoring, detector measurements, and scientific instrumentation. The AH401D is engineered for stable performance, high linearity, and precise signal acquisition in demanding laboratory environments.
Key Features
- 4 channel simultaneous sampling picoammeter
- Advanced charge integration input stage for precise current sensing
- 20 bit delta sigma ADC with digital noise reduction filter
- Eight selectable input current ranges
- Measurement ranges from 50 pA up to 2 µA
- Ultra high resolution down to 50 aA
- User selectable integration time from 1 ms to 1 s
- Continuous current to voltage conversion without dead time
- Ethernet interface with TCP/IP and UDP communication
- External trigger input for synchronized measurements
- Compact low noise design for close placement to signal sources
- Plug and play oscilloscope software for configuration and analysis