Used AGILENT / HP / HEWLETT-PACKARD / KEYSIGHT 52121A #9206155 for sale

AGILENT / HP / HEWLETT-PACKARD / KEYSIGHT 52121A is a versatile, low cost, dual-channel frequency counter with excellent basic counter capabilities. This precision frequency counting instrument can measure frequencies from 100 kHz to 2.4 GHz. The user interface of HP 52121A consists of a 4-digit LED (light emitting diode) display, a two-line, 40-character display, five selection buttons and a power supply switch. The LED display shows the highest frequency counted. The two-line display shows the status of the frequency counter and any active setting. The selection buttons on the user interface of the frequency counter are used for entering and changing settings. The accuracy of AGILENT 52121A is maintained via a crystal oscillator and may be checked by internal calibration. This dual-channel frequency counter also has an instantaneous 10-turn fine tune adjustment available for making accurate frequency measurement and calibration. KEYSIGHT 52121A is designed for easy use and includes many performance features such as a large, bright LED display, a wide frequency range, standard and optional external input connectors, and up-front pushbuttons for setting control. Its wide frequency range and low operating voltage enable it to be used in many test configurations. 52121A also has a number of options such as LED readout, IEEE-488 and/or RS-232 computer interface, electrical calibration or NIST calibrated calibration. HEWLETT-PACKARD 52121A is designed for both production and laboratory applications. It can be used for routine maintenance and troubleshooting, and is suitable for use in workshops, test labs, and industrial factories. It is a reliable and cost-effective solution for precise frequency measurement.