ET430/430B/431/432/433 Handheld Digital LCR Meter TFT LCD Screen (ET431(100Hz 120Hz 1kHz 10kHz 0.2%))

The front panel is described below, taking ET433 as an example. See figure 1 (Note: the long press in the manual indicates to press and hold the key for more than 2 seconds. There is the short press and long press for the multifunction key, but only short press for other keys).

• Display 2.8” TFT LCD screen, which displays all functions of the instrument.●Data holding recording multifunctional key short press to turn on or off the data holding function; long press to turn on or off the data recording function.●Power key long press it to turn on or off the instrument;●Main parameter shortcut key to switch the main parameters quickly;●Main parameter shortcut key to switch the main parameters quickly
• Secondary parameter shortcut key to quickly switch the secondary parameters.●Frequency and DCR mode multifunctional key short press to fast switch the frequency of fixed points; long press to enter the DCR mode.●Level shortcut key to quickly switch the fixed-point level.●Level shortcut key to quickly switch the fixed-point level.
• Level shortcut key to quickly switch the fixed-point level.●Systems setting key short press to enter or exit system setting interface.●Comparator switch and tolerance limits shortcut multifunctional key short press to quickly switch deviation tolerance limit; long press to turn on or off the comparator.●Measuring speed shortcut key to quickly switch the required measurement speed.●Range shortcut key to quickly switch the required range.
• Arrow keys left and right arrow keys to control the movement of the cursor; up and down arrow keys to select the parameter.●Enter key to confirm the selection of a certain parameter or function.●5-terminal test notch;●3-terminal test jack
• Output Impedance:100Ω;●Communication:USB-TypeC（virtual serial port）;●2 time/s（slow）, 4 time/s（medium ）, 8time/s（fast）