Precision LCR Meter 20Hz-300kHz, E4980AL is the model number of the low frequency option, 032 = 20Hz-300kHz with DCR. 36 months warranty. The Agilent (now Keysight) E4980AL is a Precision LCR Meter with a bandwidth from 20 Hz up to 300 kHz (with Option 032 = 300 kHz). The E4980AL is the model for the low frequency options of the 300 kHz, 500, 1 MHz of the E4980A. It provides the best combination of accuracy, speed, and versatility for a wide range of component measurements. Bandwidth: 20 Hz to 300 kHz, 500 kHz, and 1 MHz (Unit has 300 kHz) Resolution: 4 digits in any range Basis accuration: 0.05 % with superior measurement repeatability at low and high impedance Fast measurement speed Outstanding performance at both low and high impedance ranges Ultimate tool for general research and development, and manufacturing tests of components and materials Features: 100 µV to 2 Vrms, 1 µA to 20 mA variable test signal DC bias: 1.5 / 2 V Auto-level control Versatile PC connectivity: LAN, USB, and GPIB interfaces Frequency upgradability DC resistance 201 points list sweep