Tektronix DMM4040 Digital Multimeter
Model Number: DMM4040
With 6.5 digit resolution, the Tektronix DMM4050 and DMM4040 multimeters let you measure volts, ohms, and amps with a basic VDC accuracy of up to 0.0024% (DMM4050). Integrated frequency and period measurements mean you can make a wide range of measurements with one instrument. You can also monitor and record measurements over time or environmental ranges and view statistical values to see how the performance of your circuit is changing. And, dedicated front-panel buttons provide fast access to frequently used functions and parameters, reducing set-up time. The DMM4050/4040 multimeters provide the feature-rich tools and precision you need for your most demanding measurements.