2024-Labor-Day-Special
|English

Favorites

Mouse over to zoom in

DC 0.01-120V 0.01-30A Multifunctional Wireless Digital Bi-directional Voltage Current Power Meter Ammeter Voltmeter Capacity Coulomb Counter

DC 0.01-120V 0.01-30A Multifunctional Wireless Digital Bi-directional Voltage Current Power Meter Ammeter Voltmeter Capacity Coulomb Counter

Price on the app only:

Already have TOMTOP APP

Scan the product's code to buy directly!

Note: Please update TOMTOP App to the latest version.

Without TOMTOP APP?

Download freely and enjoy extra offers!

Ship From:
  • China Warehouse
  • United States Warehouse
Please select a warehouse
Dispatch:
Usually will be shipped in business days hours
Shipping:
The request failed! Please try again.
Sorry, it seems that there are no available shipping methods for your location.Please contact us for further assistance.

Loading...

Ship to

United States
Stock in: china

color:

Please select a color
QTY:

For each user order no more 5 item(s)

Special discount has ended

Please note each user for only 1 item(s)

Preorder Add To Cart Out of Stock

Arrival Notice

if the goods arrival in 90 days,we will inform you by email!

Email:

Arrival Notice

Notification Subscription Success!

if the goods arrival in 90 days,we will inform you by email!

Notification Subscription Failed!

Error appeared,Please try again later!

Arrival Notice

Buyer Protection

  • Full Refund If you don't receive your order
  • Full or Partial Refund , If the item is not as described Learn More >
This meter can measure DC voltage, current, power, charge and discharge capacity, watt, time and other parameters in both directions. With LCD display, several parameters displayed on the screen at the same time, is convenient for readings. At the same time, it also has many protecting functions, such as over-voltage protection, over-current protection, under-voltage protection, limit protection, etc. 

Features:
LCD color display voltage, current, power, capacity and time, etc.
Several parameters displayed on the screen at the same time, easy to read.
Bi-directional measurement of the current, no need to change the wiring direction.
Wireless data transmission between the meter and measuring board, convenient for use.
Set each address individually, and view the measurement parameters from plurality of measuring board in one meter.
When use multiple machines simultaneously, the machine can be set individually for each channel to avoid mutual interference.
You can also use standard USB cable for wired communication.
With memory function when powered off.
Screen lock, timing off, adjustable brightness functions.
VAC-1030A equipped with relay to achieve over-voltage/over-current/under-voltage, limit protection, etc.
Suitable for monitoring the output voltage and current, as well as the battery charge and discharge applications.
Small size, light weight, convenient to carry.

Note:
VAC-1100A and VAC-4300A can also achieve the protecting functions like VAC-1030A's, but users need to buy the relay separately.

Specifications:
Model Type: VAC-1030A / VAC-1100A / VAC-4300A(Optional)
Voltage Measuring Range: 0.01-120V(VAC-1030A/VAC-1100A); 0.01-400V(VAC-4300A)
Voltage Accuracy: 0.01V
Voltage Error: (+/-)1%+5 figures
Current Measuring Range: 0.01-30A(VAC-1030A); 0.1-100A(VAC-1100A); 0.1-300A(VAC-4300A)
Current Accuracy: 0.01A(VAC-1030A); 0.1A(VAC-1100A/VAC-4300A)
Current Error: (+/-)2%+5 figures
Power Measuring Range: 0-200KW
Capacity Measuring Range: 0-2000KAH
Watt Measuring Range: 0-4000KWH
Time Measuring Range: 0-999 Days
Address Range: A01-A99
Wireless Channel Setting Range: A-Z
Decimal display section will change automatically as data bits shift, for example, it display as 00.000AH, 
when the display exceeds 100AH, the display becomes 000.00AH
NCP: 0.01-30A(VAC-1030A); 0.1-100A(VAC-1100A); 0.1-300A(VAC-4300A)
OCP: 0.01-30A(VAC-1030A); 0.1-100A(VAC-1100A); 0.1-300A(VAC-4300A)
OVP: 0.01-120V(VAC-1030A/VAC-1100A); 0.01-400V(VAC-4300A)
LVP: 0.01-120V(VAC-1030A/VAC-1100A); 0.01-400V(VAC-4300A)
Display: LCD display
Time Delay Protection: 0-10S
Measurement Power Consumption: 0.4W
Display Power Consumption: 0.5W
Sampling Rate: 5 times/s
Communication Distance: 10m for single group in open area
Meter Power Supply: USB DC 5V or DC 10-30V
USB Cable Length: 3m
Meter Size: 76 * 43 * 23mm / 3 * 1.7 * 0.9in
Meter Weight: 37g / 1.32oz
Measuring Module Size: 91 * 59 * 50mm / 3.58 * 2.32 * 1.97in
Measuring Module Weight: 133-271g / 4.71-9.58oz
Package Size: 13 * 11 * 9cm / 5.12 * 4.33 * 3.54in
Package Weight: 340-480g / 12-17oz

Package List:
1 * Wireless DC Voltmeter 
1 * Measuring Module Board
1 * 3m USB Expansion Cable

English User Manual:
VAC-1030A: https://www.dropbox.com/s/6vlyoyxrtnkks2x/E1834-1%20User%27s%20manual.doc?dl=0
VAC-1100A: https://www.dropbox.com/s/6ez36gf781444ok/E1834-2%20User%27s%20manual.doc?dl=0
VAC-4300A: https://www.dropbox.com/s/0tfo3cq437u6q0r/E1834-3%20User%27s%20manual.doc?dl=0

Customer Questions & Answers

Sort by:
0 votes
Q

What is the best way to connect? using usb/ or separate power?

A
  • There are a few ways to connect power, I just hooked it up to the 12 volt battery it is hooked to, read the instructions and their are a few utube videos, just put the model number of the unit in and see the videos.

    By Udaru Harada on July 7, 2018

See more answers (1)
0 votes
Q

I have two units. I want to name one A01 and second A02. How do I change the address of the base unit? The printed instructions are not very good.

A
  • I am right with you on this .. I have one monitoring the 24V system on a Prevost bus and one just installed on the 12V house batteries ... is your problem that they cannot coexsit or ?? I will experiment with this over the next week of so .. if I find an answer I will chime in here or ??? and if you break the … see more I am right with you on this .. I have one monitoring the 24V system on a Prevost bus and one just installed on the 12V house batteries ... is your problem that they cannot coexsit or ?? I will experiment with this over the next week of so .. if I find an answer I will chime in here or ??? and if you break the secret code pls let me know. William Sargent sargentw@gmail.com see less

    By Momomi Yoshino on February 22, 2018

0 votes
Q

If I was to integrate this into a custom power wheels project would it hold up against the elements?

A
  • This unit is not weather sealed on any level. You will have to enclose it in a sealed water-tight project box.

    By TJW on December 31, 2017

0 votes
Q

Can I wire 2 separate batteries to be monitored off of 1 screen?

A
  • There is one input and output. if your intention is to use 2 batteries in a parallel circuit this would work. if you are trying to monitor the voltage and change of 2 separate independently you would need 2 meters.

    By Anthony S Pray on December 21, 2017

0 votes
Q

Is the display water proof?

A
  • No

    By zean on August 18, 2017

Discussions

Post a new topic

Please note that TOMTOP Forums are a community for all communicating and getting help each other. There will be some enthusiastic friends participate in your discussions. Of course TOMTOP customer service (with tomtop customer service icon) response is guaranteed ,which is the same way you contact us at http://www.tomtop.com/contacts

open this forum in full page
Customer Reviews

Average Rating:

4.4

based on 11 Customer Reviews

  • 5 stars
    9%
  • 4 stars
    91%
  • 3 stars
  • 2 stars
  • 1 stars

Share your thoughts with other customers and get Tomtop Points, the first 5 reviews get DOUBLE Tomtop Points!

Write a Customer Review
  • By f***5

    March 6, 2018

    Fast shipment! Excellent quality! Great communication! Overall A+++

    Is this helpful? (0) (0)

  • By m***p

    September 8, 2017

    Item as described. Good transaction.

    Is this helpful? (0) (0)

  • By t***l

    August 23, 2017

    Fast Shipping! Easy transaction!

    Is this helpful? (0) (0)

  • By p***e

    July 15, 2017

    Product as described. Transaction all good

    Is this helpful? (0) (0)

  • By j***8

    July 3, 2017

    1 month to country s.a. item is as advertised. wireless range ok

    Is this helpful? (0) (0)

  • By r***l

    June 10, 2017

    Thankyou very happy good comunications with seller thanks much appreciated

    Is this helpful? (0) (0)

  • By m***l

    May 23, 2017

    Second time I have bought and just as happy this time around. Will buy again.

    Is this helpful? (0) (0)

  • By c***2

    May 10, 2017

    very, very fast! 10 days from China!!! perfect! thank you very much!

    Is this helpful? (0) (0)

  • By a***i

    April 11, 2017

    A good, compact (and low cost) product. Fast shipping. Thanks...

    Is this helpful? (0) (0)

  • By m***s

    April 6, 2017

    Accurate, great value, easy to use. Would like to see better transmit distance.

    Is this helpful? (0) (0)

  • By h***f

    January 22, 2017

    The item is perfect! I bought many same, but this is the best for my camper. Some thing is missing from the manual! You can calibrate the current and the voltage zero point. After I install, the meter is not correct, but after I found this setup, everything is good! The calibrate menu is same but the language and wireless channel setup, but is in the upper hidden menu. Thanks again!

    Is this helpful? (0) (0)

Top Sellers More>

Please activate your account first. We will resend the activation email to help you complete your registration.

Recently Viewed
We uses cookies to ensure you get the best experience on our website. Automatically agree after a 5-second countdown. By clicking "accept" you accept the use of all cookies as deacribed in our Privacy Policy.
Click here to reject the cookies

Tell us which product you want to Social Saving

Click the refresh verification code