A multimeter is a type of electrical tester designed to help measure alternating current (AC) voltage, direct current (DC) voltage and resistance. Right at the top of the front face of a digital multimeter is the display. Furthermore, measuring anything over 10 amps could blow a fuse or destroy the multimeter as well. I will be using this to test RC motors and different propellers and measure thrust, You sound like a DIY hobbyist. This guide will explain what a multimeter is and how multimeters function so you can use one correctly. You can use "IntuiLink for Multimeters" software for the Keysight 34401A and 34420A; it is free software that is online. The meter will read one of three things, 0.00, 1, or the actual resistor value. In this case, the meter reads 0.97, meaning this resistor has a value of 970Ω, or about 1kΩ (remember you are in the 20kΩ or 20,000 Ohm mode so you need to move the decimal three places to the right or 970 Ohms). I am looking for a computer based multimeter to measure DC amps&voltage. It seems like everything plugs in to your computer these days, and this digital multimeter is no exception. Your computer should say something like … Model #: Y34-942-MSN22 Return Policy: View Return Policy $1,110.28 – This auto-ranging multimeter will test AC and DC voltage and current as well as capacitance, resistance, frequency and even temperature. Parts of a Digital Multimeter. If that works, then another test you can do is get a 1.5kohm resistor and connect it between either of the data wires and the hot wire while your computer is on. Some multimeters have a continuity check, resulting in a loud beep if two things are electrically connected. It is via the display that you are able to see the output … Almost all multimeters can measure voltage, current, and resistance.See the next section for an explanation of what these terms mean, and click on the Using a Multimeter tab, above, for instructions on how to make these measurements.. Any basic or rather average multimeter has got 3 essential parts which include the display, the selection knob, and the ports. What can multimeters measure? Suggestions for Digital Multimeter with output to PC Like the title says, I'm looking for a digital multimeter that I can use to record data directly to my computer. A multimeter or a multitester, also known as a VOM (volt-ohm-milliammeter), is an electronic measuring instrument that combines several measurement functions in one unit. Learning how to use a multimeter can help you with a variety of electrical repairs and maintenance projects around your home. Analog multimeters use a microammeter with a moving pointer to display readings. Using your multimeter on an ATX power supply, pin 9 should have 5 VDC (Volts of DC power) flowing through it anytime the PC is plugged in. Set the Multimeter to DCV 20 mode and it should show around 5V. You can also use the RS-232 port to output data to an RS-232 printer or a terminal emulator like HyperTerminal©. A typical multimeter can measure voltage, current, and resistance. Why not make the signal conditioning yourself (voltage scale, amp to volt) read the values in a PIC and send them by USB-UART to your PC? Using Intuilink: "IntuiLink for Multimeters" is a toolbar add-in … This … ETX-1825 Multi-function Process Calibrator Multimeter with A Split-screen Display Support for PC Communication. Your multimeter might have completely separate ports for measuring amps, while the other port is specifically just for voltage, resistance, and continuity, but most cheaper multimeters … Test RC motors and different propellers and measure thrust, you sound like a DIY.! 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