The Keysight U1271A is a handheld digital multimeter engineered for field and laboratory electrical testing. It delivers True RMS measurements of AC voltage and current, providing accurate readings across non-sinusoidal waveforms. The instrument combines a high-contrast backlit LCD display with a durable chassis designed for demanding service environments. It performs DC voltage, AC voltage (True RMS), DC current, AC current (True RMS), resistance, capacitance, frequency, diode test, and continuity measurements.
Technical Specifications
Measurement Functions
• DC Voltage, AC Voltage (True RMS), DC Current, AC Current (True RMS), Resistance, Capacitance, Frequency, Diode Test, Continuity Test
Display & Interface
• High-contrast LCD with backlight
• USB connectivity for data transfer and PC interface
• Battery powered
DC Voltage Measurement
• Input impedance: Typically 10 MΩ
• Accuracy: Typically ±(0.5% + 2 digits)
• Multiple measurement ranges from millivolts to 600 V or 1000 V
AC Voltage Measurement (True RMS)
• Input impedance: Typically 10 MΩ
• Accuracy: Typically ±(1.0% + 5 digits) for frequencies to 1 kHz
• Frequency response: 40 Hz to 1 kHz
• Multiple ranges corresponding to DC voltage capabilities
DC Current Measurement
• Ranges: Microampere, milliampere, and ampere levels
• Accuracy: Stated as percentage of reading plus least significant digits
AC Current Measurement (True RMS)
• Ranges: Multiple scales corresponding to DC current ranges
• True RMS accuracy specified at defined frequency limits
Resistance Measurement
• Multiple ranges from ohms to megaohms
– Key Features
• True RMS AC measurements for non-sinusoidal waveforms
• High-contrast display for visibility in varied lighting
• Frequency and capacitance measurement capability
• Diode test and continuity check functions
• USB data transfer interface
– Typical Applications
• Electrical troubleshooting and maintenance
• Design verification and field diagnostics
• Electronic component testing
– Compatibility & Integration
USB interface enables data transfer and computer connectivity with appropriate cabling.
