แสดงบทความที่มีป้ายกำกับ digital แสดงบทความทั้งหมด
แสดงบทความที่มีป้ายกำกับ digital แสดงบทความทั้งหมด

วันจันทร์ที่ 15 มีนาคม พ.ศ. 2553

Schumacher BT-50 Digital Voltmeter

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This handy voltmeter makes checking battery and charging system volts easy. Reads voltages from 4.99 up to 19.99 volts. Works on both 6 and 12 volt batteries.
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Technical Details

- Four-place LCD readout displays voltage from 4.99 to 19.99 Volts
- Reverse-hookup protection
- Over voltage protection
- Checks charging system and battery voltages
- OCV table on front of tester
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วันพฤหัสบดีที่ 31 ธันวาคม พ.ศ. 2552

DIGITAL VOLT METER

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Customer Buzz
 "every boat should have at least one!" 2008-10-18
By William J. Somers (Key Largo, Fl. USA)
I have one of these plugged into a 12 volt outlet in the interior of my boat and can see the battery condition immediately upon entering. Now I don't know how I ever lived without it! I ordered three more --- one for a friend as a gift.


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วันอังคารที่ 29 ธันวาคม พ.ศ. 2552

Paneltronics Digital DC Voltmeter

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Paneltronics Digital DC Voltmeter
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วันพฤหัสบดีที่ 10 ธันวาคม พ.ศ. 2552

Digital Battery /Charging System Tester PBT100 w/ Voltmeter

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PBT-100 Digital Battery/Charging System Tester - The essential battery/charging system tester for every technician! Using Midtronics` PBT-100 battery/charging system tester, technicians now have a version of the same tester required for use in OEM garages around the world. The PBT-100 makes the leading technology affordable, so everyone can experience the advantages of conductance testing: a safe, fast, simple and portable system that improves technician`s productivity. Accurately tests batteries in seconds. Test both the charger and starting system. No heat, no sparks, no misdiagnosis!Using the PBT-100 means technicians can accurately and quickly test batteries, even when discharged. The portable unit is activated by simply connecting clamps to the battery, setting the rating and pressing the test button. In seconds, the PBT-100 will display an accurate test decision.Professional diagnosis, affordable price!In addition to battery testing, the PBT-100 tests the starter and charging system - at a price anyone can afford. One push of a button and the technician can test the starter and charging system. Using the same technology now recognized as the standard for battery testing around the world, this durable and easy-to-use tester makes every technician a battery/charging system expert Specifications:Tests discharged batteries down to 8 volts. Rating Systems: CCA, SAE, DIN, IEC, EN Battery Condition: 3-LED`s for showing Good, Good-Recharge, Charge and Retest and Replace Voltmeter: Digital Voltmeter: 8-17 volts DC
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Technical Details

- Sold Individually
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วันอาทิตย์ที่ 6 ธันวาคม พ.ศ. 2552

Dakota Digital DIGITAL VOLTMETER

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DAKOTA DIGITAL VOLTMETER GAUGE 2 1/16 HLY-3051
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Blue Sea 8235 DC Digital Voltmeter

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Blue Sea 8235 DC Digital Voltmeter
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วันอาทิตย์ที่ 1 พฤศจิกายน พ.ศ. 2552

Paneltronics Digital AC Voltmeter- 10-250VAC

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Paneltronics Digital AC Voltmeter- 10-250VAC
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วันเสาร์ที่ 24 ตุลาคม พ.ศ. 2552

Blue Digital LED Volt Gauge

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GlowShifts 52mm Blue Digital LED Volt Gauge offers a collection of high end automotive features including a blue LED readout, a sleek ultra thin design and a tinted lens. This model will precisely measure the output voltage of your vehicles electrical system between 8 to 18 volts. This series is fully electronic with a blue digital LED readout, which allows for easy viewing at all angles during any lighting conditions. Each gauge includes all necessary mounting and installation hardware for a perfect installation. Also included is a feature allowing your gauge to dim for night driving when your headlights have been switched on. When powering up your Blue Digital gauge, the user will be alerted to a startup sequence to ensure your gauge is functioning properly and that it is calibrated correctly. The lightweight construction makes the gauge weigh in at only two ounces and one inch in length. GlowShift stands by every gauge with a one year warranty and free technical support.
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Technical Details

- 52mm Gauge With a Range from 8 to 18 Volts
- Blue Digital LED Readout With An Opening Ceremony
- Nighttime Dimming Feature
- Includes All Necessary Mounting & Installation Hardware
- 1 Year Warranty & Free Technical Support
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SHOW CHROME VOLT METER DIGITAL 4239

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Monitors voltage from 11V-16V Also displays thermometer- ice alert- clock- stopwatch and lap counter Connects to 12V power source Hook-and-loop attachment Photo`s are for reference only. Please read item title carefully.
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Technical Details

- P22120178
- Handlebars- Controls & Mirrors
- VOLTMETERS
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วันพฤหัสบดีที่ 15 ตุลาคม พ.ศ. 2552

Clore Automotive BA1 Digital Voltmeter

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Clore Automotive Digital Voltmeter is designed to test various types of batteries. It features a bright 4 digit LED display and includes reverse polarity as well as over-voltage protection.
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Technical Details

- Designed to test various types of batteries
- Features a bright 4 digit LED display
- Includes reverse polarity as well as over-voltage protection
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วันพุธที่ 14 ตุลาคม พ.ศ. 2552

Electronic Specialties 501 Mini Digital Multimeter with Holster

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The Electronic Specialties Mini digital multimeter is an economical digital multimeter that can't be beat. This meter has the capabilities of full range units, but is small enough to fit in your pocket. It comes with test leads, protective holster, instructions and battery.
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Technical Details

- Features 16 test ranges in 6 functions
- Fuse protected
- 3 1/2" digital LCD display for easy readability
- Fuse protected, safety leads and jacks
- Removable test leads
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Customer Buzz
 "Great value" 2008-12-06
By D. C. Johnson (Loveland, Colorado)
I ordered this multimeter to replace my old analog meter that I can never find when I need it. The sleeve on the new one is red and stands out. The readout is large and much more accurate than my old one. I like that the leads plug into the end of the unit rather than the top. I'm very happy with this product, and the price was very reasonable.

Customer Buzz
 "Kinda cheap, but it works" 2008-07-12
By A. Camarota (Lafayette, IN)
So far, this thing seems to be working fine. I used it to check the current in a standard 120V line and it read it with just a slight deviation. This will be fine for basic electrical needs, like testing voltage and resistance, but I wouldn't bet on this thing to be accurate in situations where precision is important.



I like how it fits in the palm of your hand.



The "holster" is the rubber casing that surrounds the hard black plastic body of the meter. You have to remove this casing to get to the battery and fuse compartments. Wasn't difficult, but it took a little while to figure out that it could be removed.



Mine was shipped from the "Amazon Returns Center. " That can't be good. It didn't look used, but who knows?

Customer Buzz
 "Great little device" 2008-01-21
By C. Nivison (Grand Rapids, MI)
I am new to electronics and this is my first DMM - but it has done everyting I have needed it for so far, including testing for specific DC currents and diode tests (for repair of a pinball machine). I have never used another DMM, so I have nothing to compare to, but with my limited experience, this was a great deal! I held off a full five star rating because it came with basically no documentation.


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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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วันศุกร์ที่ 2 ตุลาคม พ.ศ. 2552

SHOW CHROME DIGITAL 5 FUNCTION VOLT METER

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Show Chrome's 5 Function volt meter is designed for use in cars, trucks, but it can also be used on motorcycles, ATVs or any other vehicle with a 12 volt charging system. NOTE: The 5 function voltmeter has a small ventilation hole in the back of the unit. If water is a concern, the hole can be covered.
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Technical Details

- Voltage monitoring from 11.0v to 16.0v
- Clock, stopwatch and lap counter
- Attaches with Velcro
- Works with any 12v charging system
- Thermometer
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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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วันอังคารที่ 29 กันยายน พ.ศ. 2552

Vector VEC008 Digital LCD Voltmeter, 12 Volt

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This Portable Voltage Meter plugs into your vehicle's cigarette lighter and measures the voltage output of your car. The easy-to-read, lighted digital display shows the exact battery voltage withing 0.1 volts. The backlight allows for use in low light or darkness. The voltage meter is designed for all vehicles and can read from 0 - 24 volts. The high/medium/low voltage indicator lights show the battery's overall condition. Don't get caught without any power in your vehicle! Avoid getting stranded with this easy-to-use voltage meter. By Vector.
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Technical Details

- Measures Voltage Output on Running Vehicle
- Plugs Directly Into Vehicles Power Socket
- No Battery Required
- Designed for All VehiclesReads from 0 - 24 Volts
- High/Med/Low Voltage Indicator Lights Show the Battery's Overall Condition
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Customer Buzz
 "Vector VEC008" 2009-09-20
By James Noel
I bought this to monitor the depth of discharge of 12v batteries connected to solar panels, as the batteries discharged through an inverter to provide AC power. I had been using a multimeter before the Vector, then recharged the 9v multimeter rechargeable batteries from the same system when the meter wore out the 9v.



For my application, this Vector meter required a female DC connection - female CLA to battery clips - so it drained its own small operating voltage from the discharging batteries but that was hardly noticeable. The fact that it is very delicate and its reading did not match the multimeter reading made me go back to the multimeter. The multimeter gives me more accuracy with an extra number to the right of the decimal point and it is more durable. I did read another post about taking the unit apart to adjust the pot. I did this and the Vector voltage now matches the multimeter voltage but there goes the Vector warranty.



It does what it says it does, might be of more use in a vehicle, and arrived earlier than expected in mint condition. A nice feature is that it is back-lit at night but remember that it is delicate.

Customer Buzz
 "Excellent" 2009-08-16
By Juan Filos (Marrero, LA. USA)
The voltmeter is an excellent tool to monitor the exact voltage output from the alternators on school buses with Air Conditioner

Customer Buzz
 "for my RV (tent trailer)" 2009-07-08
By W. Wolf (Mesa, AZ)
all I can say is it works very well in my RV. last week my daughters car battery went dead and it read 12.8 and thought this wasn't reading right...well it was right on, cold cracking amps was low not the voltage was the problem. for the price it was a good deal. would buy again.

Customer Buzz
 "Great idea, typical Chinese construction" 2009-05-06
By P. Doyle
Well, it's a great idea and a great tool for troubleshooting charging systems as you can drive the car around and monitor the voltage.



The construction is pretty shoddy, don't expect much, but it is cheap.

Customer Buzz
 "Not nearly as fragile as others have claimed. Fine product!" 2009-04-11
By Bird Watch (New England, USA)
This is well made for a non-commercial use product. Others have claimed that it is made of cheap plastic and it will break easily. I'm sure it will break like any plastic product if it's battered and mishandled. I've tested it in three of our family vehicles and it works VERY well. There have been NO signs of a tendency to crumble or break when handled as someone described in a previous review. I like the way it tilts depending on the angle needed to view the digital readout and lighted display. This device is like having a medical thermometer around the house, available when needed. You may not use it very often but it's nice to have available. So why should it be "robust" and ruggedly built? Maybe there should be a rugged upgraded model available for the service station owner who would use it constantly. Buy it. It works well and it's a great bargain!


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