User's Manual

2 Agilent U1251A/U1252A User’s and Service Guide
1 Getting Started Tutorial
Introducing the U12521A/U1252A Handheld Digital Multimeter
Key features of this digital multimeter:
• DC, AC, and AC + DC (U1252A only) voltage and current
measurements.
• True- RMS measurement for both AC voltage and current
• Rechargeable Ni- MH battery with built- in charging
capability (U1252A only)
• Ambient temperature on second display
• Battery capacity indicator
• Blue LED backlight
• Resistance measurement of up to 50 MΩ (for U1251A)
and 500 MΩ (for U1252A)
• Conductance measurement from 0.01 nS (100 GΩ)
~ 50 nS
• Capacitance measurement of up to 100 mF
• Frequency counter up of to 20 MHz (U1252A only)
• The % scale readout for 4–20 mA or 0–20 mA measurement
• dBm with selectable reference impedance
• 1 ms Peak Hold to catch inrush voltage and current easily
• Temperature test with selectable 0
°C compensation
(without ambient temperature compensation).
• K- type (for U1251A) and J/K- types temperature
measurement (for U1252A)
• Frequency, duty cycle, and pulse width measurements
• Dynamic Recording for min, max, and average readings
• Data Hold with manual or auto trigger and Null mode
• Diode and audible continuity tests
• Square wave generator with selectable frequency, pulse
width and duty cycle (U1252A only)
• Agilent GUI Application Software (IR- USB cable sold
separately)
• Closed case calibration