Agilent/Keysight 410C

The Agilent/Keysight 410C is a precision electronic voltmeter engineered for DC voltage, AC voltage, DC current, and resistance measurements across multiple ranges. Originally a Hewlett-Packard design, this instrument combines high input impedance architecture with broad measurement capability, serving engineers, technicians, and researchers working with analog circuits and vintage equipment.

Technical Specifications

• DC Voltage: 15 mV to 1500 V full scale (positive and negative)


• DC Current: 1.5 µA to 150 mA full scale (positive and negative)


• AC Voltage: 0.5 V to 300 V RMS (20 Hz to 100 MHz with 11036A AC Probe); extended operation to 700 MHz with frequency-dependent voltage limits


• Resistance: 10 Ω to 10 MΩ mid-scale (±5% accuracy); extended range 0.2 Ω to 500 MΩ with reduced accuracy Accuracy:


• DC Voltage/Current: ±2% of full scale


• AC Voltage: ±3% of full scale at 400 Hz for sinusoidal inputs


• Resistance: ±5% mid-scale; ±1 Ω on RX1 range Frequency Response:


• AC measurements flat within ±1 dB to 700 MHz


• Indications obtainable to 3000 MHz with AC probe; probe resonant frequency ~1250 MHz Electrical Characteristics:


• DC input resistance: ~122 MΩ (all ranges)


• AC input resistance: 10 MΩ low frequency, decreasing at higher frequencies; with 11036A: 100 MΩ ±1% (≥500 mV range), 10 MΩ ±3% (≤150 mV range)


• Input capacitance: 1.5 pF


• Power: 115 or 230 V ±10%, 48–440 Hz; 13 W (20 W with 11036A) Physical:


• 6.5" H × 5.125" W × 11" D; 8 lbs net


• Rack-mountable via 5060-0797 adapter; compatible with 1060 series combining cases

Key Features High input impedance minimizes circuit loading during measurements. Peak-responding AC detection calibrated in RMS volts ensures accurate sinusoidal characterization. Extended AC frequency capability to 700 MHz with optional 11036A AC Probe supports RF circuit evaluation.

Typical Applications DC and low-frequency AC circuit analysis, resistance verification, vintage equipment characterization, and general analog electronics troubleshooting.

Compatibility & Integration Designed for integration with vintage test equipment ecosystems utilizing compatible connector types and impedance characteristics.