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

Measurement Ranges:
• 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.