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AstroAI Digital Multimeter TRMS 6000 Counts Volt Meter Auto-Ranging Tester; Fast Accurately Measures Voltage Current Resistance Diodes Continuity Duty-Cycle Capacitance Temperature for Automotive
AstroAI Digital Multimeter TRMS 6000 Counts Volt Meter Auto-Ranging Tester; Fast Accurately Measures Voltage Current Resistance Diodes Continuity Duty-Cycle Capacitance Temperature for Automotive
AstroAI Digital Multimeter TRMS 6000 Counts Volt Meter Auto-Ranging Tester; Fast Accurately Measures Voltage Current Resistance Diodes Continuity Duty-Cycle Capacitance Temperature for Automotive
AstroAI Digital Multimeter TRMS 6000 Counts Volt Meter Auto-Ranging Tester; Fast Accurately Measures Voltage Current Resistance Diodes Continuity Duty-Cycle Capacitance Temperature for Automotive
AstroAI Digital Multimeter TRMS 6000 Counts Volt Meter Auto-Ranging Tester; Fast Accurately Measures Voltage Current Resistance Diodes Continuity Duty-Cycle Capacitance Temperature for Automotive
AstroAI Digital Multimeter TRMS 6000 Counts Volt Meter Auto-Ranging Tester; Fast Accurately Measures Voltage Current Resistance Diodes Continuity Duty-Cycle Capacitance Temperature for Automotive
AstroAI Digital Multimeter TRMS 6000 Counts Volt Meter Auto-Ranging Tester; Fast Accurately Measures Voltage Current Resistance Diodes Continuity Duty-Cycle Capacitance Temperature for Automotive
AstroAI Digital Multimeter TRMS 6000 Counts Volt Meter Auto-Ranging Tester; Fast Accurately Measures Voltage Current Resistance Diodes Continuity Duty-Cycle Capacitance Temperature for Automotive
AstroAI Digital Multimeter TRMS 6000 Counts Volt Meter Auto-Ranging Tester; Fast Accurately Measures Voltage Current Resistance Diodes Continuity Duty-Cycle Capacitance Temperature for Automotive
AstroAI Digital Multimeter TRMS 6000 Counts Volt Meter Auto-Ranging Tester; Fast Accurately Measures Voltage Current Resistance Diodes Continuity Duty-Cycle Capacitance Temperature for Automotive

AstroAI Digital Multimeter TRMS 6000 Counts Volt Meter Auto-Ranging Tester; Fast Accurately Measures Voltage Current Resistance Diodes Continuity Duty-Cycle Capacitance Temperature for Automotive

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AstroAI Digital Multimeter TRMS 6000 Counts Volt Meter Auto-Ranging Tester; Fast Accurately Measures Voltage Current Resistance Diodes Continuity Duty-Cycle Capacitance Temperature for Automotive
AstroAI Digital Multimeter TRMS 6000 Counts Volt Meter Auto-Ranging Tester; Fast Accurately Measures Voltage Current Resistance Diodes Continuity Duty-Cycle Capacitance Temperature for Automotive
AstroAI Digital Multimeter TRMS 6000 Counts Volt Meter Auto-Ranging Tester; Fast Accurately Measures Voltage Current Resistance Diodes Continuity Duty-Cycle Capacitance Temperature for Automotive
AstroAI Digital Multimeter TRMS 6000 Counts Volt Meter Auto-Ranging Tester; Fast Accurately Measures Voltage Current Resistance Diodes Continuity Duty-Cycle Capacitance Temperature for Automotive
AstroAI Digital Multimeter TRMS 6000 Counts Volt Meter Auto-Ranging Tester; Fast Accurately Measures Voltage Current Resistance Diodes Continuity Duty-Cycle Capacitance Temperature for Automotive
AstroAI Digital Multimeter TRMS 6000 Counts Volt Meter Auto-Ranging Tester; Fast Accurately Measures Voltage Current Resistance Diodes Continuity Duty-Cycle Capacitance Temperature for Automotive
AstroAI Digital Multimeter TRMS 6000 Counts Volt Meter Auto-Ranging Tester; Fast Accurately Measures Voltage Current Resistance Diodes Continuity Duty-Cycle Capacitance Temperature for Automotive
AstroAI Digital Multimeter TRMS 6000 Counts Volt Meter Auto-Ranging Tester; Fast Accurately Measures Voltage Current Resistance Diodes Continuity Duty-Cycle Capacitance Temperature for Automotive
AstroAI Digital Multimeter TRMS 6000 Counts Volt Meter Auto-Ranging Tester; Fast Accurately Measures Voltage Current Resistance Diodes Continuity Duty-Cycle Capacitance Temperature for Automotive
AstroAI Digital Multimeter TRMS 6000 Counts Volt Meter Auto-Ranging Tester; Fast Accurately Measures Voltage Current Resistance Diodes Continuity Duty-Cycle Capacitance Temperature for Automotive

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Features

  • Versatile Digital Multimeter - Accurately measures AC/DC Current, AC/DC Voltage, Capacitance, Frequency, Duty Cycle, Resistance, Diode, Continuity and Temperature
  • Thoughful Design - Support Data Hold, Large LCD Backlit Screen, Auto Shut-off and Hanging Magnet, and Kickstand make the process of measurements easier. Professional level is reflected in some features include Auto-Ranging capability, and True RMS for measuring both AC Current and Voltage
  • Suitable For Many Occasions - This Multimeter is a golden partner to help to troubleshoot a variety of automotive and household electrical problems safely and accurately.
  • Ensure Safety - Double ceramic fuse is anti-burn and protects from overloading,and it will be more secure and reliable; F400mA/600V and F10A/600V explosion-proof ceramic fuse tubes can protect the multimeter effectively

Description

Read more AstroAI DM6000AR Multimeter AstroAI AM33D Multimeter AstroAI M6K0R Multimeter AstroAI M4K0R Multimeter AstroAI M2K0R Multimeter AstroAI 10000 Counts TRMS Smart Color LCD Scree Multimeter Range Selection Manual and Auto Manual Manual and Auto Manual and Auto Manual and Auto Manual and Auto AC/DC Voltage ✓ ✓ ✓ ✓ ✓ ✓ AC/DC Current ✓ Only DC Current ✓ ✓ ✓ ✓ Resistance/Continuity ✓ ✓ ✓ ✓ ✓ ✓ Capacitance/Frequency ✓ X ✓ Only Capacitance ✓ ✓ Temperature ✓ X ✓ X X ✓ True RMS ✓ X 6000 4000 2000 ✓ NCV Detection X X ✓ ✓ X ✓ Live Wire Test X X ✓ ✓ ✓ ✓ “For All of Life’s Adventures” is more than a slogan for us; it’s a lifestyle and core philosophy. AstroAI supports the adventurer within and we encourage our customers to take risks and push the envelope. We don’t choose products based on market interests or fancy analytics. We develop tools and products for ourselves and our customers based on real-world needs and expectations. AstroAI 6000 Counts True RMS Digital Multimeter The AstroAI True RMS Multimeter is designed to be safely and accurately used by professionals in a commercial setting or weekend DIYer's that need a little more power utility from their standard digital multimeter. It's easy and safe to operate with advanced features built for measuring seemingly everything. Run tests on diodes and transistors while being able to measure voltage, current, resistance, continuity, capacitance, and frequency, all on one device. Read more Trouble Shooting with Maximum Safety Troubleshoot Electrical Problems AstroAI multimeter is professionally designed to troubleshoot electrical problems or just for electronics training. Continuity Test Connect the test leads to two points on the circuit being tested. Intelligent Anti-burn and Double Protection Built-in F400mA/600V and F10A/600V explosion-proof ceramic fuse tubes; Double Protection, more secure and reliable; The fuses can protect the multimeter effectively; Overload protection on all ranges. Read more Backlit LCD and Data Hold Large digital display with backlit LCD for visibility in dimly light areas; It is often easier to use the data hold function to freeze the data being displayed on the digital display. Multi- Function Socket Use the multi-function socket to measure both Capacitors and Transistors. Hanging Magnet and Kickstand Hanging magnet and kickstand make taking and recording measurements easier than ever before. Temperature Test Carefully touch the end of the thermocouple to the object being measured; Wait for the temperature reading to settle, then record the result from the LCD display. Read more Read more The AstroAI True RMS Multimeter is designed to be safely and accurately used by professionals in a commercial setting or weekend DIYer's that need a little more power utility from their standard digital multimeter. It's easy and safe to operate with advanced features built for measuring seemingly everything. Run tests on diodes and transistors while being able to measure voltage, current, resistance, continuity, capacitance, and frequency, all on one device. This multimeter is designed to be used in commercial settings, but can also be brought home to use with automotive or household electrical problems. Specifications Digital Display: 3 5⁄6 , 5999 Sampling Speed: 2 times per second Range Selection: Auto or Manual Polarity Indication Overload Indication Low Battery Indication Power: 1 x 9V 6F22 Battery Included Temperature Test: Yes Transistor Test: Yes Diode Test: Yes Continuity Test: Yes External Current Test: Yes Capacitance: Yes Frequency: Yes Safety/Compliances: EN61010-1 CAT III 600V, CATII 1000V DC Voltage: 600mV/6V/60V/600V ±(0.8%+3), 1000V (1%+5) AC Voltage: 600mV ±(1.2%+8); 6V/60V/600V ±(1.2%+6); 750V ±(1.2%+8) Temperature: -40°C~1370°C; -40°F~2000°F (1-5%+4 depending on temp) DC Current: 600μA/6000μA/60mA/600mA ±(0.8%+5); 6A/10A ±(1.5%+3) Transistor hFE: PNP & NPN (lb≈2μA; Vce≈1V) Resistance: 600Ω/6KΩ/60KΩ/600KΩ/6MΩ ±(1.5%+3); 60MΩ ±(1.5%+5) Capacitance: 60nF/600nF/6μF/60μF/600μF/60mF Frequency: 0~60MHz ±(1%+5) Package Includes 1 x AstroAI DM6000AR True RMS Digital Multimeter 1 x Test Leads (Pair) 1 x K-Type Thermocouple 1 x Multi-Function Socket 1 x User Manual


Manufacturer: ‎AstroAI


Part Number: ‎DM6000AR


Item Weight: ‎1.26 pounds


Product Dimensions: ‎8.66 x 2.28 x 6.69 inches


Country of Origin: ‎China


Item model number: ‎WH5000A


Batteries: ‎1 Lithium Metal batteries required. (included)


Is Discontinued By Manufacturer: ‎No


Size: ‎Large


Color: ‎Red


Style: ‎Auto


Material: ‎Plastic


Shape: ‎Square


Power Source: ‎Battery


Item Package Quantity: ‎1


Number Of Pieces: ‎1


Flush Type: ‎Automatic


Display Style: ‎LCD


Switch Style: ‎Rotary Switch


Special Features: ‎✓6000 Counts True RMS Digital Multimeter ✓Auto Ranging ✓AC/DC Voltage ✓AC/DC Current ✓Resistance ✓Diode ✓Continuity ✓Frequency ✓Transistors ✓Temperature ✓hFE ✓Overload Protection ✓Data Hold ✓Backlight Display ✓Low Battery Indication ✓Hanging Magnet and Kickstand


Included Components: ‎No included


Batteries Included?: ‎Yes


Batteries Required?: ‎No


Battery Cell Type: ‎Zinc Carbon


Description Pile: ‎Zinc-Carbon


Date First Available: July 5, 2017


Features

  • Versatile Digital Multimeter - Accurately measures AC/DC Current, AC/DC Voltage, Capacitance, Frequency, Duty Cycle, Resistance, Diode, Continuity and Temperature
  • Thoughful Design - Support Data Hold, Large LCD Backlit Screen, Auto Shut-off and Hanging Magnet, and Kickstand make the process of measurements easier. Professional level is reflected in some features include Auto-Ranging capability, and True RMS for measuring both AC Current and Voltage
  • Suitable For Many Occasions - This Multimeter is a golden partner to help to troubleshoot a variety of automotive and household electrical problems safely and accurately.
  • Ensure Safety - Double ceramic fuse is anti-burn and protects from overloading,and it will be more secure and reliable; F400mA/600V and F10A/600V explosion-proof ceramic fuse tubes can protect the multimeter effectively

Description

Read more AstroAI DM6000AR Multimeter AstroAI AM33D Multimeter AstroAI M6K0R Multimeter AstroAI M4K0R Multimeter AstroAI M2K0R Multimeter AstroAI 10000 Counts TRMS Smart Color LCD Scree Multimeter Range Selection Manual and Auto Manual Manual and Auto Manual and Auto Manual and Auto Manual and Auto AC/DC Voltage ✓ ✓ ✓ ✓ ✓ ✓ AC/DC Current ✓ Only DC Current ✓ ✓ ✓ ✓ Resistance/Continuity ✓ ✓ ✓ ✓ ✓ ✓ Capacitance/Frequency ✓ X ✓ Only Capacitance ✓ ✓ Temperature ✓ X ✓ X X ✓ True RMS ✓ X 6000 4000 2000 ✓ NCV Detection X X ✓ ✓ X ✓ Live Wire Test X X ✓ ✓ ✓ ✓ “For All of Life’s Adventures” is more than a slogan for us; it’s a lifestyle and core philosophy. AstroAI supports the adventurer within and we encourage our customers to take risks and push the envelope. We don’t choose products based on market interests or fancy analytics. We develop tools and products for ourselves and our customers based on real-world needs and expectations. AstroAI 6000 Counts True RMS Digital Multimeter The AstroAI True RMS Multimeter is designed to be safely and accurately used by professionals in a commercial setting or weekend DIYer's that need a little more power utility from their standard digital multimeter. It's easy and safe to operate with advanced features built for measuring seemingly everything. Run tests on diodes and transistors while being able to measure voltage, current, resistance, continuity, capacitance, and frequency, all on one device. Read more Trouble Shooting with Maximum Safety Troubleshoot Electrical Problems AstroAI multimeter is professionally designed to troubleshoot electrical problems or just for electronics training. Continuity Test Connect the test leads to two points on the circuit being tested. Intelligent Anti-burn and Double Protection Built-in F400mA/600V and F10A/600V explosion-proof ceramic fuse tubes; Double Protection, more secure and reliable; The fuses can protect the multimeter effectively; Overload protection on all ranges. Read more Backlit LCD and Data Hold Large digital display with backlit LCD for visibility in dimly light areas; It is often easier to use the data hold function to freeze the data being displayed on the digital display. Multi- Function Socket Use the multi-function socket to measure both Capacitors and Transistors. Hanging Magnet and Kickstand Hanging magnet and kickstand make taking and recording measurements easier than ever before. Temperature Test Carefully touch the end of the thermocouple to the object being measured; Wait for the temperature reading to settle, then record the result from the LCD display. Read more Read more The AstroAI True RMS Multimeter is designed to be safely and accurately used by professionals in a commercial setting or weekend DIYer's that need a little more power utility from their standard digital multimeter. It's easy and safe to operate with advanced features built for measuring seemingly everything. Run tests on diodes and transistors while being able to measure voltage, current, resistance, continuity, capacitance, and frequency, all on one device. This multimeter is designed to be used in commercial settings, but can also be brought home to use with automotive or household electrical problems. Specifications Digital Display: 3 5⁄6 , 5999 Sampling Speed: 2 times per second Range Selection: Auto or Manual Polarity Indication Overload Indication Low Battery Indication Power: 1 x 9V 6F22 Battery Included Temperature Test: Yes Transistor Test: Yes Diode Test: Yes Continuity Test: Yes External Current Test: Yes Capacitance: Yes Frequency: Yes Safety/Compliances: EN61010-1 CAT III 600V, CATII 1000V DC Voltage: 600mV/6V/60V/600V ±(0.8%+3), 1000V (1%+5) AC Voltage: 600mV ±(1.2%+8); 6V/60V/600V ±(1.2%+6); 750V ±(1.2%+8) Temperature: -40°C~1370°C; -40°F~2000°F (1-5%+4 depending on temp) DC Current: 600μA/6000μA/60mA/600mA ±(0.8%+5); 6A/10A ±(1.5%+3) Transistor hFE: PNP & NPN (lb≈2μA; Vce≈1V) Resistance: 600Ω/6KΩ/60KΩ/600KΩ/6MΩ ±(1.5%+3); 60MΩ ±(1.5%+5) Capacitance: 60nF/600nF/6μF/60μF/600μF/60mF Frequency: 0~60MHz ±(1%+5) Package Includes 1 x AstroAI DM6000AR True RMS Digital Multimeter 1 x Test Leads (Pair) 1 x K-Type Thermocouple 1 x Multi-Function Socket 1 x User Manual


Manufacturer: ‎AstroAI


Part Number: ‎DM6000AR


Item Weight: ‎1.26 pounds


Product Dimensions: ‎8.66 x 2.28 x 6.69 inches


Country of Origin: ‎China


Item model number: ‎WH5000A


Batteries: ‎1 Lithium Metal batteries required. (included)


Is Discontinued By Manufacturer: ‎No


Size: ‎Large


Color: ‎Red


Style: ‎Auto


Material: ‎Plastic


Shape: ‎Square


Power Source: ‎Battery


Item Package Quantity: ‎1


Number Of Pieces: ‎1


Flush Type: ‎Automatic


Display Style: ‎LCD


Switch Style: ‎Rotary Switch


Special Features: ‎✓6000 Counts True RMS Digital Multimeter ✓Auto Ranging ✓AC/DC Voltage ✓AC/DC Current ✓Resistance ✓Diode ✓Continuity ✓Frequency ✓Transistors ✓Temperature ✓hFE ✓Overload Protection ✓Data Hold ✓Backlight Display ✓Low Battery Indication ✓Hanging Magnet and Kickstand


Included Components: ‎No included


Batteries Included?: ‎Yes


Batteries Required?: ‎No


Battery Cell Type: ‎Zinc Carbon


Description Pile: ‎Zinc-Carbon


Date First Available: July 5, 2017


Top Amazon Reviews


4.0 out of 5 stars | Old Radio Guy
Good for the money, some specs are off.

I sometimes buy inexpensive test equipment, perform a quick review and then post the results on my w3afc.com web page. I do this for the benefit of the HAM Radio operators who want to repair their own equipment, but who are on a fixed income. I'll post a full review with photos there in a couple weeks. This review is for the typical homeowner or DIY hobbyist who wants an inexpensive but full-featured meter. For comparison, I tested this meter against a much more expensive Amprobe AM-570. PROS: - The dual, plastic coated magnet on the back is very useful. I can stick it to the face of one of my vintage HAM radios while I'm doing some testing and it will stay there. - It has a large, easy-to-read display. - DC and AC RMS readings are well within the claimed specifications. Spot-on, in fact. - Resistance, DC current, and Diode forward voltage readings are accurate. I haven't tested the Duty Cycle or Temperature functions. - The build quality is above average for a meter in this price point. - According to AstroAI, this meter can read voltages as high as 1,000VDC (CAT II) and 750VAC, but they don't emphasize that. I have yet to use it to measure the 900VDC plate voltage on one of my Swan 700CX tube transceivers, because I want to get some use out of the meter first before I risk blowing it up. Plus, I plan to use this primarily for testing circuits in cars, and solid-state HAM radios. I had a UEI 384 that claimed a max DC voltage rating of 1000 volts, but when I tested the Swan plate voltage (at rest, no modulation) the UEI blew up - literally. I found another one online for 20 bucks used, and tried it again. THAT meter also blew up. So I tend to take the voltage ratings on these cheap meters with several grains of salt. - The manufacturer claims that this meter will read capacitance up to 600 micro-farads (uF). But the one I'm testing has measured up to 2200uF with good accuracy. Perhaps they meant 600uF within the stated accuracy. NOTE: I'VE CORRECTED MY RATING based on the fact that this meter is rated at 60,000 uF. The largest value I have right now if 20,000, and this meter reads it with the same approximate accuracy as my much more expensive Amprobe AM-570, and my CEM DT-9935 LCR. CONS: - That magnet that I mentioned above can pick up nuts, staples, pins, and other stuff, so it's a bit of a double-edge sword. - The claimed frequency counter upper limit of 60MHz is actually 16MHz. Apparently, when engineering told marketing that it would read to 16MHz, marketing thought they said 60. And, the voltage required to obtain a reading is fairly high, almost 5V P-P. The Amprobe AM-570 on the other hand reads accurately up to 43MHz, and it only needs a little over 1V P-P for a good reading. Of course, it costs about $110, or almost 4 times as much as this AstroAI WH5000A. Note: I just checked my Amprobe manual, and it claims to read to 60 MHz also. I have a feeling that this is just a theoretical figure, based on the fact that these are 6000-count (5999, really) meters. - The transistor hFE (current gain) test function is at only 1 volts, and at a very low current of around 1mA, so it reads about half of the gain of a device under typical conditions. And for some reason, the multi-function test adapter is arranged C-B-E instead of B-C-E, making testing TO-220 devices a hassle. So, DON'T buy this as a transistor tester. As I said, I'll post a complete review on my web page eventually. For a hobbyist, or DIY'er, this is good, and the price can't be beat. For HAM Radio work I would spend a little more. BTW, I don't find the beeping to be THAT annoying. NOTE: The DC voltages were supplied by a Tektronix Calibration Fixture. The AC voltage was from a regulated AC supply, set at 115.00 VAC. I tested the AC separately instead of alongside the Amprobe meter because the AC supply doesn't have BNC connectors like my Tek DC supply. With the probes detached, the AstroAI picked up a small amount of AC, most likely from my fluorescent lighting. NOTE 2: In the photo of the meter testing something on the underside of a radio, the meter is measuring the frequency 14.175MHz from the signal unit of a Kenwood TS-930S HAM transceiver. The meter is connected to the board near the output terminal. It reads the signal, but the gain from the board (carrier level) has to be set at 10 to obtain a reading. By comparison, the Amprobe can read the signal at a carrier level of 4, and a very old Beckman Industrial DM27XT can get a reading with the carrier control set at 2. In the two new photos of the meters measuring the value of a capacitor, the AstroAI and the Amprobe are measuring the same 2200uF, 35V electrolytic capacitor. The manufacturer contacted me regarding my 3-star rating. Compared to other meters in the $30-$50 range, this would be 4 stars, perhaps even 5. However, I would only give the Amprobe AM-570 4 stars, so for the sake of consistency, I give this 3 stars. By the way, I have the thermocouple connected right now, measuring the ambient temperature right here in my HAM shack. It's fluctuating between 71 and 73 degrees as the heat cycles on and off, which is about right. I put the end under my tongue for a few minutes, and it leveled off at 95F. So it's not lab grade, but it's not bad.

~ Reviewed in the United States on April 15, 2018

3.0 out of 5 stars | Enjuneer
STOP THE BEEPING!

EDIT: AstroAI customer service is good, they refunded me and allowed me to keep the meter. please read on for an evaluation. I am going to give this a tentative 3 stars, and I'll explain that below. It beeps VERY loud(a very strong 2khz square wave beep) for every little thing, changing modes, a button press, it's really annoying. There's no option to disable it that I can find. I opened the unit and removed the piezo unit so it will never beep again. Other residents complained from hearing it while in my indoor workshop on a separate floor. The beep issue loses a star. Now that I have gotten past all of that beeping nonsense... It does suck a little that I had to remove the piezo unit, since I like watching what I'm doing for certain precision continuity tests. (SELLER take note: As we spoke in our email, I don't believe anyone has a use for the beeping beyond continuity testing for this unit) The delta function works as expected, but only on a linear basis, obviously, so keep that in mind while testing. The back-light stays on for about 12 seconds. I might rewire mind to stay on while the unit is on, and I may convert the unit to rechargeable Li-Ion too. The included probes aren't THAT great. I'm not sure what it is lately, but every new probe I have bought from discount retailers has a different plating than my older probes, and it makes contact difficult. I had to scratch-in my probes to get a few impedance measurements, or give them some high pressure to get a reading. I replaced them for further testing with high-quality cat IV 1000V probes. The magnet is just two rare earth magnets in the strap part, and one steel washer on the body (inside) of the DMM. It's ok, not terribly strong. I would absolutely NOT use that to hold the unit over a running engine or something equally critical; it does not take much of a yank to pull it down on accident. For a stable environment, on an iron object, it may work well. Be smart about that one, or it could swing into a bad spot, or cause a reach/grab panic when it falls, indirectly causing loss/injury. Paranoid? I prefer to be vigilant about possible problems, that's all. However, the slot on the DMM could be used with a ty-wrap or other reliable strapping for a more secure hold for sure, it's solid polymer. This meter seems to be a little less affected by dynamic/static EMF than the other 2017 units I have bought. The lowest range measurements are within the specifications given for the most part. The motherboard of this unit is a general unit, it is not purpose built. The motherboard is the same as a number of other low-cost multimeters, including those with different micro-controllers, USB functionality, and some others. I may modify a handful of the hardware on this unit, just to see if it's capable of extended operational features. Capacitance testing is limited, but it works. I would have loved testing around 10-100F for my EDLC's. Voltage testing is well within spec, current measurement is within spec, impedance seems OK, but the issue persists with the given probes as mentioned above, so some erroneous reporting is present without really forcing good contact. The NPN/PNP testing module is a pain, the order doesn't support NPN mosfet IC packages due to the ordering, so I have to bend my terminals around to get a reading, unlike every other DMM I have. It's annoying, but it works. My other units use a different Vce value too, so that's something to get used to for bench testing. Also, I will probably lose the testing bud. I don't think there is a reason to make those units external and removable. One advantage, the bud can be used with diodes, so you aren't fumbling with test leads to check diode forward voltage. Frequency test seems to be on target with a square wave generator (tested at 1khz), and reads 2% off target on my power filter, which is properly calibrated to laboratory specifications, at 59.98hz. Not a big deal, just an observation. I think this is still within spec out of the manual. Auto power off function cannot be disabled without modifying the unit, so what's the point of having an LCD symbol? This lead me to believe it could be disabled. Now for the most important part of all, the safety stuff. The fuses are proper for the given category of application. I do not have a means to hi-pot/arc test the probes here. DMM case is well isolated and insulated. I am comfortable using this on single phase 220 and 110, and just about anything lower voltage. I want to test the output for the active testing, but I am OK not measuring that. Remember, this is only rated to CAT I @600 V, and CAT II @ 300V. I would suggest anyone who isn't familiar with this, read Flukes safety release PDF on line categories. It could save your life. It's OK as a quick test measure device, for the price, it's not terrible, it's reasonably accurate, but the features need work, big time. Consider the beeping, too.

~ Reviewed in the United States on October 29, 2017