Agilent HP Keysight U1252A

The Agilent HP Keysight U1252A is a 4.5-digit handheld digital multimeter engineered for advanced electronic troubleshooting and precision measurement. Its dual display with 50,000 counts resolution delivers high-accuracy DC voltage measurement to ±0.03% + 5 Digits, supported by True RMS AC and AC+DC capabilities across voltage and current ranges. The instrument integrates a 20 MHz frequency counter, programmable square wave generator, and comprehensive measurement functions including capacitance, resistance, temperature (Type J and K thermocouple), duty cycle, and 4-20 mA process loop analysis with percentage readout.

– Technical Specifications

Measurement Ranges & Accuracy
• DC Voltage: 1.0 kV maximum, ±0.03% + 5 Digits best accuracy
• AC Voltage: ±0.4% + 40 Digits best accuracy
• DC Current: 10 A maximum, ±0.3% + 5 Digits best accuracy
• AC Current: ±3% + 60 Digits best accuracy
• Resistance: ±3% + 10 Digits best accuracy
• Capacitance: 100 mF maximum, ±3% + 10 Digits best accuracy
• Temperature: +1372°C maximum, ±0.3% + 3 °C best accuracy
• Frequency Counter: 20 MHz
• Display Resolution: 50,000 counts (dual display)

Input Impedance
• 50 mV–1000 mV ranges: >1 GΩ
• 5 V–1000 V ranges: 10 MΩ nominal in parallel with 1.1 MΩ at dual display

– Key Features

• Data logging: manual storage to 100 or 200 points; unlimited logging to PC via optional U1173A IR-USB cable
• True RMS AC and AC+DC measurements
• Diode test, duty cycle measurement, and pulse generation
• Conductance and dBm measurement modes
• Blue LED display backlight
• Compact form factor: 59 mm × 94.4 mm × 203.5 mm; 527 g
• Operating temperature: −20°C to +55°C

– Typical Applications

• Electronic circuit troubleshooting and R&D
• Field service and maintenance measurement
• Process loop monitoring and validation
• Frequency analysis and signal characterization

– Compatibility & Integration

• IR-USB connectivity with bundled data logging software (optional U1173A cable for PC connection)
• Safety ratings: CAT III 1000 V, CAT IV 600 V
• Certifications: CE, CSA; compliance with IEC 61010-1, UL 61010-1, CAN/CSA 22.2 61010-1