Kaiweets HT208D Inrush Clamp Meter Assessment – MBReviews | Giga Tech

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The Kaiweets HT208D is a reasonably cheap inrush present clamp meter that was designed to precisely measure 100A AC/DC present, 1000V AC/DC voltage, resistance, temperature, and extra. In contrast to the KM601 sensible digital multimeter that I examined a while in the past, there’s a dial that lets you manually select the kind of measurement you wish to make (no computerized analysis).

And that is tremendous contemplating the digital show seems as soon as once more (in coloration and backlit), there’s a few take a look at probes, in addition to the thermocouple for measuring temperature. However crucial facet is after all the clamp itself, which can be utilized to check a reside wire (or some other conductor) and contemplating that the show measurement at all times defaults to DC present, the system is clearly geared toward mechanics or some other DIY auto restore fanatic.

Kaiweets HT208D clamp meter.

Another cool options embody the detection of reside wires with out utilizing any probe (the NCV) and the built-in flashlight (which solely works when the system is turned on). As I already talked about the KM601, which has confirmed to be a wonderful multimeter, particularly contemplating the worth, let’s additionally put the Kaiweets HT208D clamp meter to the take a look at and see if it is one other gem from the Schenzhen-based producer.

Design and construct high quality

I praised the trendy design of the Kaiweets KM601, which ended up trying like a smartphone after ditching the dial in favor of buttons and utilizing a big coloration display screen. The Kaiweets HT208D seems to be extra like a beefy instrument which is sensible contemplating the kind of system, however it nonetheless managed to slide in a fairly small however very apparent coloration display screen. It’s positioned in the direction of the consumer and when you take the clamp meter in your hand you’ll perceive why.

The clamp rotates across the driver, it can help your hand so you’ll be able to simply regulate the dial together with your thumb, and the display screen will naturally sit as near your eyes as attainable. Above the display screen, there are three buttons, the primary one known as RAN and its operate is to cycle by all of the obtainable ranges (holding it down for two seconds restores the default values ​​of the vary).

Kaiweets HT208D – Take a more in-depth take a look at the dial and buttons.

Then there may be the MAX/MIN button which is able to assist to set a selected worth vary; the REL/ZERO button will behave in another way relying on which mode the present clamp is at the moment set to. In case you measure DC then the button will set the magnetization results to zero, however in some other state of affairs the button will default to REL and retailer the present studying, setting a reference level for the subsequent studying.
Above these three buttons, the producer determined to depend on a dial that can assist you transfer by the obtainable capabilities: it strikes counter-clockwise, from the OFF place.

The dial is sort of straightforward to function because of the ribbed silicone body, and the identical kind of fabric additionally surrounds the system virtually completely, so the Kaiweets HT208D is simple to carry and will not slip out of your hand. Then there may be the clamp that’s coated by plastic and is opened by pushing the lever from the aspect of the system. The mechanism is spring-loaded and it’s straightforward to open the clamp with only one finger. There are a few different buttons I ought to point out, the primary being the FUNC button which is able to cycle by the obtainable secondary capabilities when checking a selected measurement (eg switching between DC and AC). On the aspect, there’s a H/flashlight button, and when rapidly pressed, it has the operate of maintaining a secure measurement (it’s instructed to maintain the operate disabled initially of the take a look at).

Kaiweets-ht208d-current clamp terminals
Kaiweets HT208D Terminals.

Holding the button down for 2 seconds will activate the flashlight that sits on prime of the Kaiweets HT208D, barely obstructed by the clamp. And, as I stated within the introduction, I observed that it doesn’t activate if the system is turned off. Kaiweets has positioned two probe slots within the body of the meter, on the opposite aspect of the clamp and, as anticipated, the HT208D can’t be positioned face up when taking measurements. Lastly, know that the Kaiweets HT208D measures 10.0 x 3.5 x 2.0 inches (25.4 x 8.9 x 5.1 cm) and weighs 1.54 kilos (0.7 kg).

The show (What’s being measured?)

The Kaiweets HT208D has a small backlit coloration display screen, however the brightness is not very excessive, so when you use it outside and it’s extremely sunny, it will likely be a bit troublesome to see the values. Within the shade it ought to work tremendous and by transferring the dial you’ve gotten the choice to measure AC or DC present with VFD (Variable Frequency Drive Filtering) – set the knob to the suitable vary as this may be 60/600 amps or 1000 amps.

Kaiweets HT208D shade and open clamp.

Urgent the Func button will toggle between AC and DC and also will allow the Auto VFD, in addition to begin the Inrush measurement. The VFD can be utilized exterior of the aforementioned ranges and by transferring the dial down it’s attainable to examine the frequency (Hz). You’ll be able to then examine Resistance (Ohm) utilizing the probes and when you press the Func button additionally it is attainable to examine continuity in addition to run a Diode take a look at. Remember to insert the crimson wire into the INPUT terminal and the black wire into the COM terminal (confer with the labels subsequent to the terminals).

Happening on the dial, we will examine the temperature (Celsius and Fahrenheit); Kaiweets has a thermocouple within the bundle that you should utilize to examine the temperature. In the direction of the tip of the dial, there may be the LoZ (low impedance) measurement and the NCV/Dwell which lets you examine for an electromagnetic subject, indicating that there’s a reside wire within the wall. If the sign is weak, you will notice the character –L and if the sphere sign is powerful, the character displayed will likely be –H.

What’s contained in the Kaiweets HT208D (teardown)

The battery slot.

In case you examine the again of the Kaiweets HT208D, you may see that there are two screws seen, an simply accessible one which retains the battery part coated, after which, there is a extra recessed one which must be eliminated when you intend to dig deeper into the system. However that is not the one screw that must be eliminated as a result of beneath the standard management label is one other one. I believe it is some form of guarantee seal, so take into account that the producer can use the broken seal as a purpose to void the guarantee.

You must now have the ability to take away the rear panel together with the battery slot and see the PCB. The elements I used to be capable of establish have been the CS1622GN LCD controller chip, 8 MB EEPROM programmable read-only reminiscence (HE24C08), the P204 HY17P48 8-bit mixed-signal microcontroller, and the GS8552 CMOS.

Kaiweets HT208D teardown.

The Kaiweets HT208D in motion

As with the Kaiweets KM601, I ran a few of the extra fundamental assessments that I assume most individuals will use extra of. And the primary is to examine the accuracy of the NCV detection which ought to appropriately see if a plug is reside or not. And, being very near an outlet that I knew had a reside wire in it, I observed that once I was inside a number of inches, the LED turned crimson and the show confirmed –H. Transferring across the socket, the show confirmed –L and the LED was inexperienced, however touching part of the wall the place there was a reside wire, the loud beeping began once more, the LED crimson, and the –H.

So it is fairly correct, however the meter appears to favor to the touch the floor fairly than simply hover over it. Then I linked the probes to the terminals and checked the voltage from one of many wall shops. This take a look at was carried out within the EU, so do not panic whenever you see it exceed 220V. The truth is, the Kaiweets HT208D confirmed a median of 238V; observe that you have to insert the probes appropriately to get an correct studying. Responsibility was already displayed at precisely 50 Hz, which is the anticipated (and proper) worth.

Kaiweets HT208D: AC take a look at.

Then I additionally did the continuity take a look at by touching the 2 probes and turning the dial to the suitable icon. And sure, the clamp meter made a high-pitched beep and the LED turned crimson whereas the 2 probes touched, so all is effectively. Protecting in thoughts that I additionally had to make use of the clamp, I went to the storage that has some free wires (panel will likely be put in quickly) to examine some parameters. One other very legitimate software is to make use of it for the automobile battery and I already talked about that the show at all times defaults to DC, which signifies that Kaiweets knew that individuals who work with vehicles (and different vehicles) will in all probability use a clamp meter.

That being stated, as you’ll be able to see within the photograph, the Kaiweets HT208D did present a bit under 200V, which is near the right worth (not as correct as with the probes) and it did work at 50Hz, however once more, it can rely on how the cables sit contained in the clamp. Word that you would be able to’t use the clamp on the common kind of wire discovered inside the home since you’re extra more likely to have the impartial wire contained in the wire, so you will not get the right values.

Utilizing the clamp.

The conclusion

Just like the KM601, the Kaiweets HT208D is a really competent system, particularly contemplating the worth (which places it someplace within the entry stage). You get a number of forms of measurements, you should utilize the clamp and probes to examine AC and DC present, and also you additionally get a coloration show. So yeah, when you’re searching for a clamp meter, take a look at the Kaiweets HT208D.

Kaiweets HT208D



  • Backlit coloration show
  • Terminals clamp meter + probe
  • Charged battery
  • Lantern

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Kaiweets HT208D Inrush Clamp Meter Review – MBReviews