Keysight 34420A: Precision Nanovolt and Micro-Ohm Measurement with 7.5-Digit Accuracy
$5,188.00
The Keysight 34420A is a high-sensitivity nanovolt/micro-ohm meter with 7.5-digit resolution, designed for precise low-level voltage, resistance, and temperature measurements. Engineered for exceptional stability and ultra-low noise, it’s ideal for applications requiring high-accuracy signal detection and component characterization.
Product Overview
The Keysight 34420A Nano-Volt/Micro-Ohm Meter sets a benchmark for ultra-precise low-level measurements. With 100 pico-volt sensitivity and 100 nano-ohm resolution, this instrument ensures the highest level of performance in research, calibration, and advanced manufacturing applications.
Optimized for both voltage and resistance testing, the 34420A provides an integrated two-channel scanner for efficient voltage comparisons and built-in ratio/difference functions that eliminate the need for external nanovolt scanners.
Its internal current source enables precise 2-wire and 4-wire resistance measurements, while its temperature measurement mode enhances flexibility for scientific and industrial testing.
Key Features & Highlights
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Exceptional Sensitivity: Measures down to 100 pico-volts and 100 nano-ohms
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Dual Channel Input: Simplifies voltage comparisons with built-in two-channel scanner
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Ratio & Difference Functions: Automates two-channel measurements without external equipment
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High Stability Current Source: Ensures accurate low-level resistance measurements
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Multiple Resistance Modes:
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Standard mode
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Low power mode
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Voltage-limited (for dry-circuit testing)
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Offset Compensation: Reduces thermal EMF and noise for ultra-precise readings
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High Resolution: 7.5-digit display for maximum measurement clarity
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High Throughput: Up to 2500 readings per second for production testing
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Data Interfaces: GPIB and RS-232 for flexible system integration
Technical Specifications
| Parameter | Specification |
|---|---|
| Measurement Type | Nano-Volt / Micro-Ohm |
| Resolution | 7.5 digits |
| Voltage Range (DCV) | 1 mV to 100 V |
| Sensitivity (DCV) | 100 pV |
| Resistance Range (2/4 Wire) | 1 Ω to 1 MΩ |
| Accuracy (V DC) | ±0.003% |
| Input Channels | 2 (with built-in scanner) |
| Temperature Measurement | Yes |
| Data Rate | Up to 2500 readings/s |
| Interfaces | GPIB, RS-232, Analog Output |
| Display Type | Digital |
| Warranty | 3 Years |
In the Box
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Keysight 34420A Nano-Volt/Micro-Ohm Meter
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Power Cord
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Kelvin Clip Set
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Input Connector and Shorting Block
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RS-232 Cable (9-Pin)
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IntuiLink CD Software
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Cleaning Fluid
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Calibration Certificate
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Complete Manual Set (User, Service, Programming Guides)
Applications
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Low-level voltage and resistance measurement
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Sensor and component characterization
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Temperature measurement in precision environments
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Calibration laboratories and research facilities
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Quality control in electronics manufacturing
Additional information
| Brand | Keysight |
|---|
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