The Keysight (Agilent) 974A is a 4 ½ digit handheld multimeter delivering 49,999 counts full scale with 0.05% basic DC voltage accuracy. Built for precision electronic measurements, this instrument combines true RMS AC response with AC+DC measurement capability to accurately characterize nonsinusoidal waveforms up to 100 kHz. The 974A supports DC and AC voltage, resistance, continuity, diode testing, DC and AC current, frequency, capacitance, temperature, and dBm/relative dBm readings.
– Technical Specifications
• Display: 4 ½ digit, 49,999 counts full scale
• DC Voltage: 1.0 kV maximum range, 0.05% accuracy across all ranges
• AC Voltage: 0.5% accuracy with true RMS response to 100 kHz
• Resistance: 0.06% accuracy
• Capacitance: Up to 1000 µF
• DC Current (DCA) and AC Current (ACA): Supported
• Frequency Measurement: Supported
• dBm and Relative dBm: Supported
• Operating Temperature: 0°C to 40°C
• Power: Battery operated (AA cells)
– Key Features
• True RMS AC response for accurate nonsinusoidal waveform measurement
• AC+DC readings enable combined signal analysis
• Min/Max recording with elapsed time tracking
• Zero storage across function changes (DCV zero, Ohms zero, Capacitance zero)
• Input overload alert with audible tone
• Terminal shutter prevents inadvertent current terminal misuse
• Auto power-off with defeat capability for extended operation
– Typical Applications
The 974A serves electronics technicians and field engineers requiring high-accuracy voltage, resistance, and current measurements. AC+DC capability and true RMS response suit characterization of switched-mode power supplies, audio circuits, and nonsinusoidal industrial waveforms. dBm readings enable power level assessment in communications and RF applications.
– Compatibility & Integration
Includes high-quality test lead set, spare fuse, rubber boot, and calibration certificate. User documentation available. Note: This product is obsolete and no longer manufactured or supported by Keysight.
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