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bayite DC 5-120V 400A Mini Digital Current Voltage Amp Meter Gauge with Hall Effect Sensor Transformer bayite DC 5-120V 400A Mini Digital Current Voltage Amp Meter Gauge with Hall Effect Sensor Transformer bayite DC 5-120V 400A Mini Digital Current Voltage Amp Meter Gauge with Hall Effect Sensor Transformer bayite DC 5-120V 400A Mini Digital Current Voltage Amp Meter Gauge with Hall Effect Sensor Transformer

bayite DC 5-120V 400A Mini Digital Current Voltage Amp Meter Gauge with Hall Effect Sensor Transformer

bayite DC 5-120V 400A Mini Digital Current Voltage Amp Meter Gauge with Hall Effect Sensor Transformer bayite DC 5-120V 400A Mini Digital Current Voltage Amp Meter Gauge with Hall Effect Sensor Transformer bayite DC 5-120V 400A Mini Digital Current Voltage Amp Meter Gauge with Hall Effect Sensor Transformer bayite DC 5-120V 400A Mini Digital Current Voltage Amp Meter Gauge with Hall Effect Sensor Transformer
$ 23.99

Score By Feature

Based on 120 ratings
Easy to use
9.70
Value for money
9.28
Accuracy
9.38
Easy to install
9.48

OveReview Final Score

How Our Score Is Calculated

Product Description

By entering your model number, you can make sure that this fits.
Through-hole design: simple wiring; measures positive or negative current; no current direction restriction
Electrically isolated from a high-voltage power source, reducing the risk of damage to sensitive monitoring equipment while also reducing safety concerns.
Voltage or ( -)Current is displayed; the voltage range is 5V-120V, and the current range is 0-400A.
The hole through the sensor is 3/4 inch (19 mm) in diameter and is compatible with large wire.
To strengthen the signal, loop through it several times. If your current signal is only 0, for example. If the wire was looped through the sensor ten times, the signal would be 10X stronger and appear as 2. 0 Amps

Questions & Answers

What is the length of the sensor wire?

The 400a version may or may not have two sensor wires, but the 100a version does. One of them is a 6-minute one. 8" long, with a 5-inch long one. Longer than 6 ft. I bought wire and extended the sensor wire to a length of 20 feet. and it still performs admirably and precisely.

Will the sensor be able to withstand the high temperatures found under the hood of a diesel engine?

I'm not sure what a diesel engine's operating temperature is, but here's what I do know: 4°F - 140°F (- 20°C - 60°C) . As a result, the temperature in the environment shouldn't exceed 140 degrees Fahrenheit.

Is an ammeter powered by a switch or can it be connected directly to a 9V battery?

The ammeter does not require a switch to operate, but you must disconnect the battery when it is not in use to prevent it from draining. I decided to add a small toggle switch to the circuit so that I wouldn't have to remove the 9 V battery every time I used it. It's simply more convenient for me to flip a switch or press a button. When the need arises, press the button switch.

Hello Amazon, I'm looking for a way to calculate the number of 110 volt kilowatts used by individual circuit breakers in a standard circuit breaker panel for billing purposes. ?

This is used to determine the DC voltage and current. Not suitable for AC current of 110 volts.

Selected User Reviews For bayite DC 5-120V 400A Mini Digital Current Voltage Amp Meter Gauge with Hall Effect Sensor Transformer

If you're aware of a few limitations, this is a good meter for the value
4/5

This is a good DC amp meter for applications that require basic accuracy, have little chance of moisture intrusion, and may require additional items to be useful, depending on the application. My request was for a shop-style, rolling car/truck battery charger to be installed. I'm happy with the upgrade and the results, but there are a few things to keep in mind before using this meter. br>br> This is an "inductive style" DC amp meter, not a shunt style DC amp meter. Meters that use this technology require a method of zeroing the meter before each use. The Fluke 80i, for example, is a good example of this. A thumbwheel is used to zero the meter before taking measurements on the 1010 AC/DC clamp meter (used to test the accuracy of this panel meter). To re-set the panel meter, press and hold the small, normally open switch on the back of the PCB for three seconds. Before using the meter, make sure it is zeroed. This switch also functions as a mode switch, allowing the user to alternate between constant volts, constant amps, and alternating volts and amps every 10 seconds. br>br>I needed instant access to volts and amps, so I bought two of the same units (400 amp devices) for my application. One meter would be set to display only DC VOLTS for my application, while the other would display only DC AMPS. I didn't want one meter to show one reading and then switch to the other, which this meter can do if you want it to. br>br>I removed my old analog meters and made new mounting plates to match the original meter holes and accept the new panel meters. I was able to test the upgraded battery charger after installing the meters and mounting the "charging" and "charge completed" LEDs. Problem. br>br> Because this is a panel-mounted device, you'll need to remove the panel to get to the reset button. If you want to use the zero button, you'll need access to the unit's BACK, which may be difficult if it's hidden behind a panel. To simulate the pressing of this button while the meter is mounted in the panel, a small, normally open push button switch (shown in the photo) was soldered on. Because the components on the PCB are surface mount, which means they are very small, this may or may not be easy for people. The switch, which requires soldering on the wires, is extremely small. CAREFULLY solder the wires to the switch's side, or carefully bend header pins, as I did in my case. You can easily attach the pushbutton switch to the front of the case from here. I've attached a photo of the meter in use to demonstrate its accuracy. A Fluke 117 / Fluke 80i-based comparison was made. Set the clamp meter to DC amps on a 1010 clamp meter. Plenty accurate for a battery charger, and much more accurate than the meters they replace (which is why the battery charger was upgraded in the first place). As a result, I can see the low-amp delivery to smaller batteries or those in maintenance charge mode. br>br>Note that in the past week of using this meter, the typical temperature variation or "drift" has been around 2 amps indicated over a period of about an hour (between 50F and 75F). You don't need to worry about soldering on a switch to this device if you can live with a couple of amps of inaccuracy. You can solder to the switch, but you'll need a very fine tip soldering iron and be very comfortable working with surface mount electronic components to do so. If the engineering department or the people who developed this meter are reading this review, please include headers on the PCB for revision 2 so that an auxiliary mounted reset switch can be attached. To make this meter useful, not many people will be capable of soldering to a surface mount switch. You have a useful device that is easy to use and accurate enough for most applications, but it isn't user friendly, so you'll need to make changes to make it usable in the field. br>br>I'm pleased with the meter, but keep in mind its limitations. This upgrade can be a lot of fun if you have a fine-tipped soldering iron, good eyes, and a steady hand.

Ariya Hebert
Ariya Hebert
| Aug 12, 2021
Ideal for high-current car audio requirements
5/5

The accuracy of the voltage is incredible. I tested these with a precision power supply that was accurate to the hundredth decimal place. As soon as I increased the voltage above. The LCDs immediately rounded up and went up a tenth of a volt on 05, and all five of them did the same thing. This level of precision surprised me. I haven't tested the current side because my secondary batteries haven't been installed yet, but I needed something that could measure more than 200 amps per battery, and this fits the bill. To zero out the meter and change viewing options, I had to install a momentary switch, but other than that, this is a great unit at a great price.

Laila Powell
Laila Powell
| May 10, 2021
The lens was scratched when it arrived
4/5

  It performs admirably. Because the lens was scratched (as seen in the photo), I gave it 4/5 stars. This meter was used to add a voltage/amp meter to a 225 amp automotive charger. It switches from volts to amps on a regular basis. Connect the positive and negative to the pos and neg leads inside the charger, unhook the positive lead inside, and slide the hall sensor over the cable. I can now tell if the battery is charging, and I get an instant battery voltage reading as soon as the charger clamps are connected to the battery.

Roberto Hahn
Roberto Hahn
| Sep 08, 2021
Accurate
5/5

It's dead on. I compared the screen to the one on my Victron BMV 712. Almost identical. Not bad. Especially since the Victron costs more than $200. br>br>I bought this to keep track of how much current my alternator uses. The alternator will also be used to charge the batteries in my camper van. As a result, this meter will ensure that I turn this on when the alternator is drawing a significant amount of current.

Adele Hester
Adele Hester
| Sep 04, 2021
It can be used as a stand-alone device or as an add-on to a power supply
5/5

It's turned into a small snap-on device for me. On a lunch box, it's very portable, but the current measurement isn't accurate if it's less than 20 amp.

Korbin Maloney
Korbin Maloney
| Feb 09, 2021
This is a nice small meter that is simple to set up and use
5/5

This is a nice small meter that is simple to set up and does not require a large shunt. This is ideal for small areas. When a few minor issues arose, the seller was extremely responsive to my questions and was extremely helpful. I would order this item again for future projects because of the excellent customer service.

Aylin Palmer
Aylin Palmer
| Dec 15, 2021
It really works
5/5

In terms of voltage and current, it compares favorably to my digital multimeter (at least up to the 10 amp limit).

Cassius Morse
Cassius Morse
| Jan 28, 2021
This is a good unit at a reasonable price
5/5

Is it possible to live forever? It's easy to set up. It appears to be correct. It doesn't appear to be very sturdy, and since my installation is outside, corrosion may be an issue.

Anthony Coleman
Anthony Coleman
| Dec 02, 2021

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