
KAIWEETS HT118AKAIWEETS HT118A TRMS Multimeter
CAT III 1000V, True RMS, NCV and a flashlight.
- Display counts
- 6000 counts
- Safety rating
- CAT III 1000V
- Max current
- 10 A
A digital multimeter tests outlets, batteries, fuses, switches and car electrics, and it is one of the most useful tools in any home toolbox. For general use, look for auto-ranging so you do not have to pick a range, True RMS for accurate AC readings, a CAT III safety rating for household circuits, and a backlit screen for dark panels. Display counts set how fine the readings are. We put 31 multimeters on one spec sheet so you can compare them side by side.
Quick answer
Ranked from 31 multimeters that met our standard, compared on CAT safety rating, auto-ranging with AC/DC voltage and continuity, and max voltage.
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CAT III 1000V, True RMS, NCV and a flashlight.

AstroAI True RMS with a kickstand and backlit screen.

4.8 in backlit display with CAT III and CAT IV ratings.
| Spec | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Best Scoreout of 100 | 73 | 72 | 73 | 71 | 70 | 67 | 67 | 67 | 66 | 65 |
| Display countscounts | 6000 counts | 6000 counts | 6000 counts | 6000 counts | 9999 counts | 6000 counts | 6000 counts | 6000 counts | 25000 counts (best in row) | 4000 counts |
| Ranging | Auto-ranging | Auto-ranging | Auto-ranging | Auto-ranging | Auto-ranging | Auto-ranging | Auto-ranging | Auto-ranging | — | Auto-ranging |
| True RMS | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Safety rating | CAT III 1000V (best in row) | — | CAT III 1000V (best in row) | CAT III 1000V (best in row) | — | CAT III 600V | CAT III 600V | CAT III 1000V (best in row) | CAT III 1000V (best in row) | CAT III 600V |
| Max AC/DC voltageV | — | — | 600 V | — | 1000 V (best in row) | — | — | 600 V | 1000 V (best in row) | 600 V |
| Max currentA | 10 A | — | 10 A | — | 10 A | — | — | 10 A | 10 A | 10 A |
| Max resistanceMΩ | 60 MΩ | — | 60 MΩ | — | — | — | — | 60 MΩ | 250 MΩ (best in row) | 40 MΩ |
| Capacitance measurement | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Temperature measurement | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | — |
| Non-contact voltage detection | Yes | — | Yes | Yes | Yes | Yes | Yes | Yes | — | Yes |
| Battery test mode | — | — | — | — | — | — | Yes | — | — | Yes |
| Backlit display | Yes | Yes | Yes | — | — | Yes | Yes | Yes | — | Yes |
| Weightlb | 1.21 lb | 1.17 lb | — | — | 0.42 lb (best in row) | 1.21 lb | 0.66 lb | — | 0.42 lb | 0.48 lb |
We reviewed 58 multimeters and kept only the 31 that pass every check below. Those are ranked by a Best Score built from spec fit for this job, sales rank.
These reviews are based on each multimeter's published specifications and listing information, in the order of our ranking.
KAIWEETS HT118A, a safe all-rounder for home and car
The KAIWEETS HT118A leads our ranking. It is a 6000-count auto-ranging True RMS meter, so it picks the range for you and reads AC voltage accurately even on modern electronics. It measures up to 1000V DC and 750V AC, 10A AC/DC current and 60 MOhms resistance, plus capacitance and temperature.
Safety is a strong point. It is IEC rated CAT III 1000V and CAT IV 600V, with a double ceramic fuse and thermistor protection circuit to guard against burns. Non-contact voltage testing and a Live function warn you with sound and light before you touch a wire, which helps beginners avoid shocks.
LED lights on the input jacks show where to plug the leads for each dial setting, which prevents a common beginner mistake. A flashlight on the back helps in dark cabinets, and Min/Max/Average readings help with diagnostics. For a single meter that is safe, easy and capable enough for home and car work, it is the best pick here.
VerdictThe best multimeter on this page for most people.
AstroAI DM6000AR for everyday troubleshooting
Second in our ranking, the AstroAI DM6000AR is a 6000-count auto-ranging True RMS meter. It measures AC/DC current and voltage, capacitance, frequency, duty cycle, resistance, diode, continuity and temperature, which covers most household and automotive checks.
Data hold, a large backlit LCD, auto shut-off and a kickstand make measurements easier, especially when you need both hands for the probes. AstroAI describes it as a partner for troubleshooting automotive and household electrical problems.
Double ceramic fuses, F600mA/250V and F10A/250V, protect the meter against overloads. It weighs 1.17 lb. A safety category rating and non-contact voltage are not listed in our data, so check the label before working on high-energy circuits. For car owners and DIYers who want a reliable, well-known meter, it is a solid choice and widely used. Its kickstand lets it stand on a bench or car fender while you hold both probes, and the large screen is easy to read at arm's length. It is a good first meter for anyone starting to work on their own car.
VerdictA dependable meter for everyday checks.
ZMIWNIED FS899L with a huge backlit screen
The ZMIWNIED FS899L ranks third. Its standout feature is a 4.8 in backlit screen, much larger than most handheld meters, which makes readings easy in cramped panels and dim basements. It also has a built-in light.
It is a 6000-count True RMS auto-ranging meter with dual safety ratings of CAT III 1000V and CAT IV 600V. It measures AC/DC current and voltage, continuity, resistance up to 60 MΩ, capacitance and temperature, and is listed with a 600 V maximum voltage in our data.
ZMIWNIED aims it at everything from household outlets to industrial machinery. The brand has three similar FS899L listings on this page, so compare their features and pick the one that suits you. For anyone who struggles to read small screens, the large display is a real advantage. Battery type and weight are not listed.
VerdictThe easiest-to-read meter in our top five.
FS899L color screen version with a worklight
Fourth in our ranking, this ZMIWNIED FS899L-1 listing shares the 6000-count True RMS core and CAT.III 1000V and CAT.IV 600V ratings, with dual ceramic fuses and protection. Its difference is a 4.8-in high-definition color screen that ZMIWNIED says stays clear even in direct sunlight.
It handles HVAC temperature checks and NCV (Non-Contact Voltage) detection along with the usual voltage, current, resistance, continuity and capacitance tests. A worklight helps in dark spaces.
Because it is closely related to the third pick, choose between them on screen preference and availability. Maximum voltage and resistance are not listed in our data for this version. For users who like a color display that is easy to read outdoors, it is a good alternative. The worklight and bright screen make it a good fit for HVAC technicians and DIYers who work in attics, crawlspaces and outdoor units, where light is poor and sunlight glare is common.
VerdictA color-screen take on the FS899L.
FNIRSI DMT-99 with waveforms for car diagnostics
The FNIRSI DMT-99 completes our top five. It has 9999 counts, higher resolution than the 6000-count meters above, and True RMS for accurate AC and DC readings. It is also rechargeable, so you do not need to buy batteries.
Auto-Mode identifies AC/DC voltage, resistance and continuity on its own, which is handy for beginners. The Graphic View plots voltage and current changes as a waveform, which helps spot dips and spikes when diagnosing car charging systems or sensors.
A 2.4 in HD TFT color screen with adjustable brightness is easy to read, and anti-burn protection guards the inputs. It measures up to 1000 V and 10 A and weighs just 0.42 lb. Its safety category is not listed in our data. For car enthusiasts who want more than basic readings, it offers features rarely found at this level. Charge it over USB between jobs, and it will be ready whenever a warning light comes on.
VerdictThe most capable meter here for car work.
Best among the reviewed tools
Auto-ranging meters select the range for you, which is easier and safer. True RMS gives accurate AC readings on modern electronics and motors.
For household wiring and panels, choose CAT III rated meters. CAT IV ratings cover service entrances. Fused current inputs protect the meter.
More counts mean finer readings. Meters here range from 3999 to 25000 counts. 6000 counts is plenty for home and car use.
Non-contact voltage detection, backlit screens, flashlights, kickstands and data hold make real jobs easier.
An auto-ranging, True RMS meter with a CAT III rating, like the KAIWEETS HT118A. Lit jacks and NCV help avoid mistakes.
For accurate AC readings on modern electronics, motors and dimmers, yes. For simple battery and continuity checks, it matters less.
Yes. Set it to DC volts and read across the terminals. A healthy resting battery shows about 12.6 V.
It is a safety rating for measuring building wiring and panels. Higher categories protect against larger voltage spikes.
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