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Johnny_B_Goode 27/01/2022
The bench meter arrived just 8 days after I'd placed the order. The meter and its accessories are nicely packed into a stout cardboard flip lid box. I used a Siglent SDM3065X to verify its published specifications. Its energy consumption measured just under 1W at the 0% backlight setting with just over 1W at 25%, & a max of 1.5W at the 100% setting. If like me, you've been using a handheld DMM to observe, for example, the variations in EFC voltage readings in a GPSDO over hours long periods each day, this low power demand will be welcome news. Not only do you avoid having to replace batteries once every month or so but the annual electricity costs will also be less than a year's supply of the the AAA cells required to abuse a DMM with such an onerous task, even if you never put it into standby mode (250mW) with the soft on/off button (no actual mains voltage switch). Whilst the measurement update rates are acceptable in this class of meter, unfortunately, capacitance measurements leave much to be desired. Not only does it refuse to report values < 0.5nF, measurement times are quite slow, becoming somewhat glacial on the 5 to 55mF range. Most cheap handheld DMMs can do a much better job of measuring capacitors. I chose the European mains lead (there was no UK option). I have a small stock of UK mains leads and an ample supply of 13A plugtops to convert 'foreign' mains leads if needed. The supplied test leads seem to be good quality. However, the same isn't true of the crocodile clip adaptors. Despite those deserved criticisms, this handy little bench meter still provides a very nice and cost effective upgrade over the cheap "9999 counts" handheld DMM I'd been using for long term monitoring tasks, neatly avoiding in my case, the need to replace sets of AAA cells on a monthly basis. I paid just under £100 for mine, which imho, is excellent value for such an accurate and compact 55,000 counts bench meter. IOW, I couldn't be more pleased with my purchase. :)
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