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In the last blog I took an overview approach to the  MIT420/2 Insulation Tester package that I have been sent to review In this blog I plan to concentrate on the instrument itself to review its build quality and design features   To gain access inside the meter, the battery and fuse compartment lids are removed. As these are subject to more wear and tear, Megger have used steel screws captivated within each compartment lid that screw into brass inserts in the meter body which should ...
I have been selected to road test the Megger MIT420/2 for the element14 community and this first blog is an introduction to the various elements of the package that has arrived and what I intend to do for the review.   The first item, often overlooked, is the case. For an engineer, such as myself, that travels from site to site, protection of the instrument during transit is extremely important. The meter sells for around £500 in the UK, not including VAT, so damage would be an expe ...
This was supposed to be my 4th blog. Discussing advanced topics such as triggers, filters, multiple messages. But this is when the Microchip CAN Analyzer didn't perform to its advertised specs.   Good Basic functionality The device performed perfectly when doing basic analysis. It performed well on logic level and on physical bus level. Receiving, Sending and logging work just fine. Some additional features such as terminating the line via software, changing frequency and set the device to ...
I'm reviewing the Microchip CAN Analyzer for a Road Test. It'll be used in a CAN Bus that I'm designing. This blog shows that it is useful in a firmware design cycle.   The Analyzer as a Development Helper  In a previous CAN blog I wrote about configuring a Hercules microcontroller's CAN module. My setup is using interrupts to react on traffic and capture only relevant data. The trigger should only fire when a message with ID == 1 appears on the CAN bus. Any other ID should be ig ...
I'm reviewing the Microchip CAN Analyzer for a Road Test. It'll be used in a CAN Bus that I'm designing. This blog checks how to inject traffic from the Analyzer   An Analyzer that Generates Traffic  I'm using the Microchip CAN Analyzer as a development tool. One of the interesting things is that it can also generate CAN messages. This is very useful as a debug tool. You can configure a CAN receiving mailbox on your microcontroller, then use the analyzer to shoot messages that the ...
I'm reviewing the Microchip CAN Analyzer for a Road Test. It'll be used in a CAN Bus that I'm designing. This first test is to see if It can capture data in the logic layer.   First Impression  I've filmed my attempts to install and try out the software.     Similar to one of my fellow road testers, I had issues installing from the provided DVD. It worked with the version on Microchip's website.   First Test  I don't have a physical CAN bus yet. That's WIP. ...
[Posted as blog entry due to RoadTest form submission issue]     When I first saw this, I thought, is this just another cheap Saleae Logic knockoff. Well not even close.The numbers don't lie.   Saleae 8/16 Pro $479/$599 4 channels @ 500 MS/s Digilent Digital Discovery $250 8 channels @ 800 MS/s (with HS adapter) (number of active channels at highest sampling rate)   With the High Speed adapter this unit has some real capability at a price point that can't be touched ...

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