
Please note, the supply of Tektronix 4000 series DMM is limited. New Keithley DMM6500 6.5 Digit Multimeter with Graphical Touchscreen are the recommended replacements for the Tektronix 4000 Series. Learn about the new Keithley DMM6500 6.5 Digit Multimeter with Graphical Touchscreen.
The 5.5 digit DMM4020 and 6.5 digit DMM4050 and DMM4040 broad purpose bench multimeters deliver a comprehensive range of functions to meet your most demanding measurements on the bench or in a system. These digital multimeters perform the functions you would expect to see in a multifunction DMM, including measuring volts, ohms, amps, and frequency measurements. The DMM4050 adds temperature and capacitance for greater versatility.
Features | Benefits |
Choice of 5½- or 6½-digit resolution | Makes it unnecessary to pay for higher resolution than the application requires |
True RMS (AC, AC + DC) measurements | Ensure high measurement integrity |
2×4 ohms 4-wire measurement technique | Allows performing 4-wire resistance measurements with excellent resolution and accuracy using only two leads instead of four. |
Temperature and capacitance measurements (DMM4050) | Provide a combination of measurements few DMMs can offer |
TrendPlot™ paperless data recorder mode (DMM4040/4050) | Plots the trend of a measured value over time graphically |
Measurement statistics (DMM4040/4050) | Calculates both the average and standard deviation of a measurement, as well as tracks the minimum and maximum measured values, with the push of a button |
Histogram mode (DMM4040/4050) | Displays the distribution of measurement results |
Includes safety test leads, RS232 to USB adapter cable, and three year standard warranty | Provides lower total cost |








Dongguan Qihang Electronic Technology Co., Ltd. is a professional company engaged in the research and development, sales, maintenance, measurement, technical consulting, and provision of Bluetooth RF testing systems and testing solutions for RF, microwave, and electronic testing instruments.
2,How to ensure quality?
Before shipment, our quality inspector will conduct a comprehensive test of the product to ensure that the customer receives the instrument without any issues
3,What can I buy from here?
We can provide various instruments for Keysight, Ceyear, Tektronix, Rohde&Schwarz, Agilent, Keithley, Anritsu, and Lecroy
4,Why do you want to purchase from us instead of other suppliers?
We have good prices and the advantage of overseas warehouses, which can make the goods arrive faster. And a good after-sales solution.
5,Where do we ship from and how long is the delivery time?
Shipping from Guangdong, China, with a delivery time of 15 working days.