Hewlett Packard 3458A 8½-Digit Precision Digital Multimeter
Hewlett Packard 3458A 8½-Digit Precision Digital Multimeter
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Product Description
The Hewlett Packard 3458A is a high-precision 8½-digit digital multimeter designed for calibration laboratories, metrology applications, and automated test systems (ATE). It delivers ultra-low noise, long-term stability, and reliable measurements for DC/AC voltage, resistance, current, and frequency. Known for its superior accuracy, the 3458A serves as a trusted reference standard in ISO‑17025 labs and research facilities, combining multiple measurement capabilities in a single bench instrument.
Key Features
8.5-digit resolution for ultra-precise measurements
DC voltage, AC voltage, DC/AC current, resistance, and frequency functions
Exceptional stability and low noise for laboratory-grade accuracy
True 4-wire resistance measurements for precision applications
Integrated math functions: min/max, ratio, averaging, and slope
IEEE-488 / GPIB interface for automation and remote control
Compatible with automated test equipment (ATE) systems
Reliable reference standard for metrology labs and calibration centers
Multiple input ranges for voltage, current, and resistance
User-friendly display with programmable measurement modes
High repeatability and traceable accuracy
Technical Specifications Table
| Specification | Detail |
|---|---|
| Model | Hewlett Packard 3458A |
| Type | 8.5-Digit Precision Digital Multimeter |
| Manufacturer | Hewlett Packard (HP) / Keysight |
| Resolution | 8½ digits |
| Functions | DC Voltage, AC Voltage, DC Current, AC Current, Resistance, Frequency |
| DC Voltage Range | 100 μV to 1000 V |
| AC Voltage Range | 100 μV to 750 V (true RMS) |
| DC/AC Current Range | 1 μA to 20 A |
| Resistance Range | 100 μΩ to 100 MΩ (4-wire measurement) |
| Frequency Range | Up to 100 kHz |
| Stability | 0.5 ppm (24 hr), 2 ppm (1 yr typical) |
| Power Supply | 100–120 V / 200–240 V AC, 50–60 Hz |
| Dimensions (L × W × H) | 430 mm × 200 mm × 88 mm |
| Weight | 10 kg (~22 lbs) |
| Interfaces | IEEE-488 / GPIB |
| Operating Temperature | 0 °C – 50 °C |
The HP 3458A 8½-digit precision digital multimeter offers ultra-high accuracy and stability for voltage, current, resistance, and frequency measurement, making it ideal for calibration labs and ATE systems. The Hewlett Packard 3458A Digital Multimeter is a laboratory-grade reference instrument designed for high-precision measurement applications. With 8½-digit resolution, true 4-wire resistance measurement, and ultra-low noise, it provides highly stable and repeatable results. The 3458A is ideal for metrology labs, calibration centers, and automated testing environments, delivering accurate DC/AC voltage, current, resistance, and frequency readings. Its IEEE-488 interface allows full integration with automated systems, while built-in math and ratio functions enhance flexibility for demanding lab tasks.
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