แสดงบทความที่มีป้ายกำกับ multimeter แสดงบทความทั้งหมด
แสดงบทความที่มีป้ายกำกับ multimeter แสดงบทความทั้งหมด

วันจันทร์ที่ 14 ธันวาคม พ.ศ. 2552

Westward-105R True-RMS Multimeter

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Technical Details

- Display Type 4 LCD, Resistance 400-40 Mega Ohms, DC Voltage 400 Milli-1000 Volts
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วันศุกร์ที่ 9 ตุลาคม พ.ศ. 2552

Mastech Auto-Ranging Digital Multimeter, MY68

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Mastech MY68 is a fully featured auto-range digital multimeter, it is well knows for its high resolution and accuracy at low currents, you can use it to measure a few micro amps both AC and DC with less than 1.2% and 1.5% accuracy. It also has many nice features such as data hold, auto power -off, tilt back stand, test leads holder and etc. Accessories: * 9V battery (installed) * User Manual * Test leads (attached)
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Technical Details

- AC/DC V/A Resistance Frequency Capacitance
- Auto & manual ranging
- Full range protection
- Auto Power off
- Data hold
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Customer Buzz
 "Good for the price" 2007-12-07
By Weimaranchand (the great state of Texas)
I haven't used the metre much, so cannot attest to its long term viability. So far, it has been fine.

I thought I had trouble with the unit, and sent it back to Kaito. The service folks were very helpful.

I believe my problem was in the manual that came with this DMM. It is exiguous, and that is being charitable. I would not be happy if I had paid what other on-line retailers are charging for this same metre.

I recommend this unit and the seller.

Customer Buzz
 "Very Good Multimeter in good price" 2007-11-30
By Pradip Khare
Product is good and robust also. Range check precision is also good. Working fine and supplied accessories are also of good quality.



It becomes difficult to read data during night or in low lighting as there is no backlit. This should have been provided as a defacto standard.



Only limitation I found is that capasitor value range check is very limited, not more than 10mF. This is really limitation, as you, usually and always deal with higher capacity condensors.

Customer Buzz
 "Mastech MY68 Multimeter" 2007-10-31
By D. Barber (Tacoma.Wash.)
I ordered this meter after my old one (from Radio Shack), was ruined by leaking batteries. The meter is larger and heavier than the photo suggests. It's actually a two-part package. The meter itself is gray but there is a detachable yellow rubber-like boot for the outside. This yellow boot gives the meter much of it's bulk and heft. I found the so-called instruction manual inadequate but usable. At first, I thought the meter was defective because I couldn't get a reading, but I found that once you fully seat the test-lead plugs, it works just fine. The meter ships with a 9 volt battery already installed. I love the fact that it uses a 9 volt. I am tired of the seemingly endless procession of replacement AA penlight batteries, around here. One small flaw, you have to remove the yellow protective boot and a couple of access screws to change the battery. A hinged door is much needed. Still, the meter seems to work well and though I haven't had a chance to run it through all of it's functions, it seems to be an outstanding bargain! I love this meter and regard it as a good deal.

Customer Buzz
 "1st year tech student, so no expert on these devices" 2007-01-10
By R. Talvy (vancouver, wa United States)
Bought this for a basic electronics tech class at a CC. Required to be able to test for mAmps, which this does. I looked at specs and prices on Amazon and also company's site. Decided on this one because of price $25 + S&H, and specs.



When I received it, could see it was Ok, but not heavy duty. Is bare bones. No extra dials. The dial that changes the settings sounds & feels on the cheap side, a loud snap, not a reassuring soft one, but it may be sturdy. (Thus the 4 **** rating)



The cables are nothing fancy...OK, cheap, but servicable. No extra's or attachments, like alligator clips for ends of probes.



The Chinese are getting better at writing these manuals, but still there are "gaps" in the flow of info.



As far as its operating, well..it tested out fine, but have only just received it and I am no expert.



Price was a big determining factor. You get what you pay for.



Funny thing..the box that it came in says "Made in China" (duh!), but nowhere..NOWHERE on the multimeter or even the instruction booklet does it state that. Multimeter itself doesn't even have a UL#, serial#, electrical info..nothing. Hmmm..kinda strange.




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วันอาทิตย์ที่ 4 ตุลาคม พ.ศ. 2552

Digital Pocket Multimeter - 6 Function

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With lighted readout and data hold feature. Measures DC current: 200A 2mA, 200mA and 10A. Checks DC Volts: 200mV, 2V, 20V, 200V, 600V. AC Volts: 200V and 600V.
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Technical Details

- Test leads and battery.
- Tough! In its rubber holster, unit can take a 10-foot drop.
- Surge voltage protection.
- UL listed, fused.
- Resistors: 200M, 2K, 20K, 200K, and 2M.
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Customer Buzz
 "Does a Good Job" 2008-10-27
By William L. Wilson (Phoenix, AZ USA)
For what I need this is an excellent product. I just needed something simple that I can check my 110 voltage. It works great for this. Provides many other tasks above my capabilities, but good for those who need more functions. It seems very durable with the case they have placed around it. BW

Customer Buzz
 "Digital Pocket Multimeter" 2008-06-27
By C. Vincent Razor (Atlanta, GA USA)
The 6 Function Digital Pocket Multimeter was just the meter I was looking for. The professional design and accracy are perfect for the hobbiest in everyone. The rubber protective shell saves the case from accidental falls. The large digital display is easy to read. This meter has all the features the more expensive meters have except the price.



Customer Buzz
 "Digital Pocket Multimeter" 2007-12-07
By Jonathan I. Rapoport (Stamford, CT USA)
Unfortunately, I found this product substandard, and had to return it, and purchase one of its competitors. The buzzer which sounds to confirm continuity was so faint that it was almost inaudible. I actually checked the battery, as I thought that might be the culprit; it wasn't. The dial used to select the function did not have a substantial "feel" - it made the product feel cheap.



I must say that the people at Northern Tool were pleasant and efficient, and I would not hesitate to purchase from them again. I contacted them regarding the return and also to see whether they had something better for a slightly higher price - but their next model up was considerably more expensive.



One might attribute all of this to the relatively low price of this item (i.e. the "you get what you pay for" maxim). However, the replacement I purchased (Equus 3320 auto-ranging digital multi-meter, also purchased from Amazon) seems to me to be much better quality at a comparable price, and I recommend this item over the one reviewed here.

Customer Buzz
 "Weedend warrior mechanic" 2007-03-16
By J. Morton (Portland, OR USA)
For the price point that this meter is at, I don't see how you can beat it. I could easly buy five of these for the same price as one of the more expensive brands and not worry about it.

Customer Buzz
 "Mr. Theory" 2007-02-23
By C. Scalfani (Long Island)
I purchased this meter based purely on price expecting a flimsy feeling but functional meter that I wouldn't mind if it got damaged or fell. Instead, this meter has a nice quality feel, good balance, and enough weight to stay put.



The rubber protective casing adds to the quality feel and the test leads are nice also. The function switch is solid and clearly labeled. With the back lit display there is a lot of value for the price. I can't see how one could go wrong with this choice.






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วันพฤหัสบดีที่ 1 ตุลาคม พ.ศ. 2552

PC-Interfaced Digital Multimeter, MAS345

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DCV:0-4-40-400/0.5%, 1000V/0.8%. ACV:0-4--40-400/1.2%, 750V/1.5%. DCA:0-4m-400m/1.2%,10A/2.0%. ACA:0-4m-400m/1.5%,10A/3.0%. R:0-400-4k-40k-400k-4M/1.2%,40Mohm/3.0%. CAP:0-4n-400nf/4%. Temp:0-400°C-750°C/3.0%. Audible continuity:<30ohm. Transistor hFE:1-1000. Diode test:25uA,3.0V. Package includes a software CD-ROM, RS232 cable, test leads, manual book.
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Technical Details

- PC-interfaced digital multimeter with 3 3/4 digits LCD display, temperature and capacitance measurement
- Auto ranging with very good sensitivity, resolution and accuracy
- Overload indication and protection, low battery indication and back light
- In full comformance with IEC1010 Standard
- 90 days money back guarantee
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Customer Buzz
 "Husband Loves It" 2009-03-03
By Colleen Stevens (Parma, Ohio United States)
My husband wanted this for Christmas, so I got it for him. He loves it.

Customer Buzz
 "Not bad with some inconvenience" 2009-03-01
By Aharu
Just received this device, so far works perfect, comes with nice soft plastic case, inside - device, 2 test leads, CD with serial software, serial cable and thermocouple cable, small printed instruction manual.

Few remarks on what's disappointing:

1. Battery. You have to remove 3 screws on device back and remove back side of a case to get access to the battery. Seems inconvenient. I'd prefer separate battery compartment with easy to open lid.

2.Very brief printed manual and even no .pdf on CD with detailed instructions.

3. To measure capacitance you have to insert capacitor into special socket on front panel. Seems very inconvenient.

On the other side - attractive price, full functionality, PC interface (I wonder, do I really need it?)

Question: instruction manual says: "DUAL DISPLAY". I wonder what did they mean by "dual display"?? There is a small graph bar beneath main reading area on display - is that it?

Customer Buzz
 "Nice DMM, but a few minor issues." 2008-04-05
By Verkinix
This is a nice DMM. One of the best I've used. Measures all the usual electrical elements as well as temperature. The auto-ranging feature is fantastic.



Things that are sub par in my opinion include the manual and the pc interface. The manual is terse, but contains some useful information. The pc interface is a serial connection which my post 1972 laptop doesnt have. So I will have to get a serial to USB converter and hope the software works correctly with this. Also, the software appears to be dated in 2003, so it could potentially be out dated, but I havent been able to test it as of yet. Either way, it could use an update geared toward newer systems.



All in all, I cant complain. The backlight works well, the DMM does what I need it to, and could potentially be PC useful.

Customer Buzz
 "One Nice Multimeter" 2005-10-20
By T. David Mackey (College Station, TX)
Is is by far the best multimeter I have used. It has a clear display and an easy to use interface. What is really nice about it is it doesn't feel cheap. A true piece of fine craftsmanship. Another good thing about this product is its wonderful overload protection, so you never have to worry about blowing a fuse or something crazy like that. Highly recommand for any electrical engineers or hobbiest who want to have something cool to show their friends.


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วันอาทิตย์ที่ 27 กันยายน พ.ศ. 2552

Equus 3310 Hands-Free Digital Multimeter

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Equus Hands-free Digital Multimeters are designed to troubleshoot a variety of automotive and household electrical problems. They include test lead holders for hands-free testing. These digital multimeters are safe as well as accurate and are easy to use.
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Technical Details

- Designed to troubleshoot a variety of automotive and household electrical problems
- Includes test lead holders for hands-free testing
- Safe and accurate
- Easy to use
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Customer Buzz
 "Great buyt for price - Use for checking vehicle battery and continutity in travel trailer" 2009-08-29
By Camper in NC (Charlotte, NC)
Use it for diagnosing problems of wiring in travel trailer and to check health of truck/auto battery as well as the travel trailer battery.

Customer Buzz
 "Works as described" 2009-07-12
By Gadgeteer (Pacific Palisades, CA USA)
The multimeter is a useful device for checking batteries, voltages, and, I suppose, current.



It would be even more useful if one could order a spare set of leads.

Customer Buzz
 "Great Value" 2009-04-01
By Ian Collins (Arlington, VA)
I bought this to troubleshoot some electrical problems I'm having with my motorcycle and to monitor the charge of my battery. This device can be used in any number of other applications and you can't go wrong for $17.

Customer Buzz
 "Good home and shop meter" 2009-02-12
By JW (NH)
Overall, this is a good meter for home and shop use, especially for the low price. I was looking for a meter that would properly test batteries, and selected this one after a bit of research. I'm very happy with its performance, and would buy the same meter again.



PRO's: The meter has dedicated settings to test many battery types under load. Most general purpose meters can't do this. This is the perfect meter if you want to test your rechargeable batteries, and still want other more general meter functions. The ranges will be more than sufficient for most people. The continuity beeper is loud enough to be heard in noisy environments, which can be a problem with some other meters. The display is plenty big enough to see easily, even with my old eyes.



CON's: The ACV tops out at 500v, and the probe wires are only rated for 600v, fine for most uses, but not for 3-phase motors. The soft plastic clips that are supposed to hold the probes to the side of the meter are pretty useless.



A good meter, don't let the low price put you off as it's better than many more expensive meters.



Customer Buzz
 "Great Multimeter " 2009-01-05
By William Foster (Houston Texas)
I was looking for a low priced meter that i could keep as a backup in my truck , well this meter has more then met that and im actually using it alot more then i was intending to. This meter packs alot of punch for the price, its accurate and has been super useful. If you want a good meter that will last and work when you need it jump on this meter. I would buy it again any day!


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