Agilent/Keysight N2870A

The Agilent/Keysight N2870A is a passive 1:1 probe engineered for low-level signal acquisition across DC to 35 MHz. Its compact 2.5 mm probe head provides superior access to fine-pitched components and densely populated circuit boards. The probe delivers 1 MΩ input resistance, 39 pF input capacitance, and handles maximum input voltages of 30 Vrms (mains isolated) or 60 Vdc, making it suitable for general-purpose bench and production testing.

– Technical Specifications

• Bandwidth: DC to 35 MHz (−3 dB)
• Attenuation Ratio: 1:1
• Input Resistance: 1 MΩ (terminated into 1 MΩ oscilloscope input)
• Input Capacitance: 39 pF
• Maximum Input Voltage: 30 Vrms (mains isolated); 60 Vdc
• Cable Length: 1.3 m
• Probe Head Diameter: 2.5 mm

– Key Features

• Replaceable, spring-loaded probe tip ensures secure and repeatable contact
• Compact form factor optimized for visibility and access to IC-level measurements
• Multiple grounding options: flat blade connector, self-adhesive copper ground pad, ground spring, and optional ground blade
• Automatic probe ID readout when connected to compatible Keysight oscilloscopes
• Comprehensive accessory set included: rigid and spring-loaded probe tips, IC caps (0.5 mm to 1.27 mm pitch), ground blade, ground spring, ground lead (15 cm), self-adhesive copper pads, color-coded rings, and trimmer tool

– Typical Applications

The N2870A serves applications requiring direct signal acquisition at low attenuation, including analog circuit characterization, embedded systems debugging, and educational laboratory work where minimal signal loading is essential.

– Compatibility & Integration

The probe integrates with Keysight InfiniiVision and Infiniium Series oscilloscopes equipped with 1 MΩ inputs. Automatic probe detection provides simplified workflow on compatible instruments. Indoor use only; avoid operation in wet or damp environments.