Used WAVETEK 859 #106891 for sale

WAVETEK 859 is a versatile, single-channel frequency counter designed for engineers and technicians involved in servicing, developing and testing electronic apparatus. It offers a range of features designed to make frequency measurements more accurate, reliable and repeatable. In its most basic form, 859 supports a frequency range of up to 999 kHz, with an accuracy of 0.01 parts per million (ppm) over a temperature range of 10-40 °C. The input impedance is adjustable from 10 MΩ to 50 MΩ, so the device is suitable for measuring both high and low impedance signals. A time base drift correction feature is also provided to maintain accuracy over long-term measurements. WAVETEK 859 is equipped with an RS-232 serial interface, allowing users to connect the device to external computers (with software-support) to monitor readings and store collected data. The unit also features a range of other useful functions, including a hold button to freeze the last reading, auto-ranging mode and adjustable decimal precision. 859 also features a USB port, allowing control and data transmission from a PC or tablet. The device works with a software package offered by WAVETEK and supported under a range of popular Windows operating systems. This software allows users to graph readings and compare the frequency response of various test electronic devices. WAVETEK 859 has a rugged, compact construction and is powered by a 9 V battery. It also features a backlit LCD display, allowing measurements to be easily read even in dimly lit conditions. There is also a TEST/CONT function that provides continuous feeding of readings at up to 10 readings per second. Overall, 859 is an ideal choice of frequency counter for engineers and technicians who need to accurately measure frequency in the range of up to 999 kHz. This versatile device offers a range of features designed to make measurements more accurate and repeatable, while its intuitive interface allows even novice users to get started quickly.