Hewlett Packard 4140A pA Meter / DC Source

Description

Hewlett Packard 4140A pA Meter / DC Source. Powers on. No error codes displayed. Fan quiet. Purchaser responsible for any calibration, certification, maintenance or repairs. No manual or other accessories. As shown.

The HP 4140A pA Meter/DC Source is a dual-function instrument that integrates a high-sensitivity picoammeter with dual programmable DC voltage sources. It is specifically designed for measuring ultra-low currents down to 10 fA (femtoamperes) while providing a stable voltage output, making it ideal for semiconductor testing, dielectric measurements, and leakage current analysis.

The unit features two independent voltage sources (±100V and ±10V ranges), allowing precise control over test conditions. The picoammeter offers four current measurement ranges, ensuring accurate readings for a wide variety of low-current applications.

Key Features:

• Ultra-Low Current Measurement – Measures currents as low as 10 fA (femtoamperes).
• Dual DC Voltage Sources – ±100V and ±10V programmable outputs.
• High Stability & Precision – Low noise for sensitive measurements.
• Four Current Ranges – 10 fA to 1 µA for flexible applications.
• Analog & GPIB Interface – Enables remote operation and data logging.
• Compact and Reliable – Designed for lab and industrial environments.

Applications:

• Semiconductor Testing – Measures gate leakage currents, junction characteristics.
• Dielectric & Insulation Testing – Characterizes ultra-low current behavior in insulating materials.
• Photodetector & Sensor Research – Ideal for evaluating ultra-low current photoresponse.
• Nanoelectronics & Material Science – Used in measuring properties of thin films and nanomaterials.
• Biomedical & Electrochemical Research – Supports ultra-low current detection in biological and chemical sensors.

Specifications:

Why Choose the HP 4140A?

✔ Industry-Standard for Ultra-Low Current Measurements – Reliable and widely used.
✔ Dual DC Voltage Sources – Provides versatile test conditions.
✔ Highly Sensitive Picoammeter – Can detect extremely low currents.
✔ GPIB Interface – Allows automation and remote control.
✔ Robust and Durable – Built for long-term lab and industrial use.

Purchaser responsible for any calibration, certification, maintenance or repairs. No manual or other accessories. As shown.