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Kerry D. Wong writes:
Most of the multimeters do not offer resistance measurement in the milliohm range. In most meters a typically Ohm range has an accuracy of 0.1 ohm and is too coarse for measuring small resistance. Of course, some of the high-end multimeters have milliohm range and there are also dedicated micro ohmmeters for even more accurate small resistance measurements, but most of them are priced way out of the range for personal use.
Accurate Milliohm Measurement - [Link]
For today’s “Toolsday” we’ll be looking at the EX210 multimeter by Extech. It’s a mid-range meter that’ll take all your standard hobby readings like resistance, continuity, voltage, and current, but it also boasts an infrared thermometer and a backlit display. [via]
Toolbox Review: Extech EX210 Multimeter – [Link]
Simple meter on a HD44780 and Attiny13. This project has born from a pure curiosity – what we can made on this small uC? We can, and a lot. In this case this tiny will measure voltage, current, and temperature, recalculate, and in a nice way show on a 16*1 lcd. Despite on unusual solutions and few defects, it still can be used as a power supply meter. PCB dimension – only 35mm x 16mm
HD44780 and Attiny13 multimeter - [Link]
What’s inside Gossen Metrawatt’s Metrahit Energy Multimeter?
Gossen Metrahit Energy Multimeter Teardown - [Link]
The iDVM digital multimeter from Redfish Instruments Inc. wirelessly connects to an iPhone, iPad, or iPod Touch to enable users to acquire, visualise and share measurement data on their Apple devices. Unlike conventional multimeters, the iDVM does not have its own display or controls, but instead piggybacks on the iPod, iPad or iPod Touch screen with the aid of a special app. According to Redfish, this novel approach provides instrument users with a familiar user interface that allows them to interact with electronic test and measurement tools in a previously impossible manner. [via]
Multimeter module links to iPhone or iPad – [Link]
Get acquainted with the Digital Multimeter – an engineer’s best friend! Learn how to measure resistance, voltage, current as well as test continuity using the Swiss Army knife of electronics.
MAKE presents: The Multimeter – [Link]
This article discuss the Fluke 233 remote display multimeter in detail. It is a novel design as the display can be removed and it’s True RMS. Check review on the link below.
Fluke 233 Remote Display True RMS Multimeter – [Link]
This video shows a simple way to test a transistor using the diode function on a multimeter. Check it out
How to test a transistor – [Link]
