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#1
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In article FQ7vc.259$vK4.176@newsfe5-win, Kyle2 wrote:
| A cheap digital one from Maplin or RS will be just as accurate, save loads | by not paying for a name. If you're on a tight budget, these things are hard to beat -- http://www.harborfreight.com/cpi/cta...70&pricetype=S Yes, three bucks. They won't hold a candle to a Fluke, but for doing simple voltages or resistances, they're hard to beat. They're accurate (at least the ones I've tested) within 1 or 2%, at least for DC and AC voltage (I don't expect them to do accurate RMS readings on non sinusoidal signals, however) and resistances. They're cheap enough that you can dedicate them to a given operation -- you need to know the voltage on your power battery all the time? No problem -- just slap one of these on it. Personally, I own like ten of these things, scattered throughout the house and car, and a few better multi-meters for when I need them. -- Doug McLaren, Give a man a fire and he will be warm for a day. Set a man on fire and he will be warm for the rest of his life. |
#2
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Doug McLaren wrote:
In article FQ7vc.259$vK4.176@newsfe5-win, Kyle2 wrote: | A cheap digital one from Maplin or RS will be just as accurate, save loads | by not paying for a name. If you're on a tight budget, these things are hard to beat -- http://www.harborfreight.com/cpi/cta...70&pricetype=S Yes, three bucks. They won't hold a candle to a Fluke, but for doing simple voltages or resistances, they're hard to beat. They're accurate (at least the ones I've tested) within 1 or 2%, at least for DC and AC voltage (I don't expect them to do accurate RMS readings on non sinusoidal signals, however) and resistances. They're cheap enough that you can dedicate them to a given operation -- you need to know the voltage on your power battery all the time? No problem -- just slap one of these on it. Personally, I own like ten of these things, scattered throughout the house and car, and a few better multi-meters for when I need them. Right! They even come with the 9v battery included and they have a transistor test function, to boot. When you spend 3 dollars on a DMM, you're not looking for precision results. And you don't need a precision meter for most measurements. As a secondary meter, these 3 dollar things cannot be beat. When I needed to do 6 simultaneous measurements ( a DC-DC converter I made with dual outputs - I needed to measure voltage and current on the input, and voltage and current on both outputs) I bought 4 of them. They were more accurate than I thought they would be - and more accurate than I needed. |
#3
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Doug McLaren wrote:
In article FQ7vc.259$vK4.176@newsfe5-win, Kyle2 wrote: | A cheap digital one from Maplin or RS will be just as accurate, save loads | by not paying for a name. If you're on a tight budget, these things are hard to beat -- http://www.harborfreight.com/cpi/cta...70&pricetype=S Yes, three bucks. They won't hold a candle to a Fluke, but for doing simple voltages or resistances, they're hard to beat. They're accurate (at least the ones I've tested) within 1 or 2%, at least for DC and AC voltage (I don't expect them to do accurate RMS readings on non sinusoidal signals, however) and resistances. They're cheap enough that you can dedicate them to a given operation -- you need to know the voltage on your power battery all the time? No problem -- just slap one of these on it. Personally, I own like ten of these things, scattered throughout the house and car, and a few better multi-meters for when I need them. Right! They even come with the 9v battery included and they have a transistor test function, to boot. When you spend 3 dollars on a DMM, you're not looking for precision results. And you don't need a precision meter for most measurements. As a secondary meter, these 3 dollar things cannot be beat. When I needed to do 6 simultaneous measurements ( a DC-DC converter I made with dual outputs - I needed to measure voltage and current on the input, and voltage and current on both outputs) I bought 4 of them. They were more accurate than I thought they would be - and more accurate than I needed. |
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