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Single Phase Ac Led Watt Meter Energy Meter

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PEACEFAIR Single Phase AC LED Watt Meter Energy Meter 220V100A Volt Ampere Watt Kwh Power Monitor PZEM-004 With CT Coil
This module is mainly used for measuring AC voltage, current, active power and active energy, the module is without display function, the data is read through the TTL interface.

We provide the software to connect it with the PC. If you want to connect it with other terminal device such as PLC,SCM and so on, please prepare the fitable cable and write the program by yourself.

Please click this link to download the software and the user manual.


1. Working voltage: 80 ~ 260VAC

2. Test voltage: 80 ~ 260VAC

3. Rated power: 100A/22000W

4. Operating frequency: 45-65Hz

5. Measurement accuracy: 1.0 grade


1. Ectrical parameter measurement function (voltage, current, active power, energy).
2. Overload alarm function (over power alarm threshold the power flash).
3. Power alarm threshold preset function ( can set power alarm threshold).
4. The reset function of energy key.
5. Store data when power off (store the accumulated energy before power off).
6. Bright red digital display function (display voltage, current, active power, energy).
7. Serial communication function (with TTL serial interface itself, can communicate with a variety of terminal through the pin board, read and set the parameters).
Front display and key
I. Display Interface
Display interface is formed by four bright red digital tubes, used to display the voltage, current, power, energy parameters.
II. Display Format
1. Power: Test Range: 0 ~ 22kW
Within 0 ~ 10kW, the display format is 0.000 ~ 9.999;
Within 10 ~ 22kW, the display format is 10.00 ~ 22.00.
2. Energy: Test Range: 0 ~ 9999kWh
Within 0 ~ 10kWh, the display format is 0.000 ~ 9.999;
Within 10 ~ 100kWh, the display format is 10.00 ~ 99.99;
Within 100 ~ 1000kWh, the display format is 100.0 ~ 999.9;
1000 ~ 9999kWh and above, the display format is 1000 ~ 9999.
3. Voltage: Test Range: 80 ~ 260VAC
Display Format is 110.0 ~ 220.0.
4. Current: Test Range: 0 ~ 100A
Display Format is 00.00 ~ 99.99.
III. Key
There is a key on the panel, it can be used to reset energy.
The method of reset energy: Long press the key for 5 seconds until the digital on energy display window flicker, then release the key. Short press the key again, then the energy data is cleared and quit the flickering state, now the reset operation is completed; if long press for 5 seconds again until no longer flicker, it means exit the reset state
Illustration of the communication
1. Connect hard wire according to the wiring diagram in figure 1 and 2.
2. After connect the wire, please choose the communication port, this module’s upper computer software support communication port: COM2COM3COM4, you can check through device manager, if it is not the above communication port, you should amend it through port.
1. This module is suitable for indoor, please do not use outdoor.
2. Applied load should not exceed the rated power.
3. Wiring order can’t be wrong.

100% new brand high quality

1 x PZEM-004 AC Voltmeter Ammeter

1 x Coil CT


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2. All major credit cards are accepted,and we received it in 24 hours.

3. Payment must be received within 5 business days of auction closing.

4. Before buying, Please make sure your address is correct. Or not, please correct it before payment

5. Items will be shipped in time after payment received.


1. The default shipping is by China Post Registered Air Mail.

2. Item will be shipped within 2-3 working days after full payment is received.

3. Buyers need to provide the correct address, we’ll not be responsible for item loss because of wrong or undeliverable address, and we do not accept the dispute

4. The extra fee occured when the product pass through the customs should be paid by buyer.

5. For considering environmental protection, we don't usually send paper specification, if you need it, please find it on the product description page or contact with us.

We maintain high standards of excellenceand strive for 100% customer satisfaction! Feedback is very important to us. We request that you contact us immediately BEFORE you give us neutral or negative feedback, so that we can satisfactorily address your concerns.

Warranty and Guarantee

1. All the products we are selling include factory warranty, don’t cover items that have been abused, burned and damaged in any form.

2. Please contact us if you have NOT received item in 30 days, we will check it with post office ASAP.

3. In the unlikely event that your product is faulty in anyway, you must contact us ASAP and then return it within 7 days of receipt. The postage and packaging fee will NOT be refunded.

4. If you don't satisfy with our product, please return it within 14 days for a replacement or money back. But the items must be back in Factory Condition. This includes packaging, inserts, manuals etc. Please contact us and double check the return address before you return it.

5. We will not be responsible for the delivery or insurance charges incurred in returning item back to us.

Contact us

Customer satisfaction is very important to us. If you have any questions, please do not hesitate to contact us anytime before and after your purchase, our Customer Service staffs welcome you to email .We strive to answer all questions and resolve any problems as quickly as possible.

We try our best to reply to your emails as soon as possible, however, due to high volume of daily incoming emails and time zone difference, we may not be able to reply your emails immediately.
Please allow 1-2 business days for us to response. If you do not receive any reply from us, please check your email ensuring your mailbox has not reached full size.

Due to some ISP SPAM filter settings, you may not be able to receive our replies; if you have problems receiving our emails, you may need to use a different email account to contact us



Shipping & Payment


We are proud to offer international shipping services that currently operate in over 200 countries and islands world wide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.

How do you ship packages?

Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.

Do you ship worldwide?

Yes. We provide free shipping to over 200 countries around the world. However, there are some locations we are unable to ship to. If you happen to be located in one of those countries we will contact you.

What about customs?

We are not responsible for any custom fees once the items have shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.

How long does shipping take?

Shipping time varies by location. These are our estimates:
Location *Estimated Shipping Time
United States 10-30 Business days
Canada, Europe 10-30 Business days
Australia, New Zealand 10-30 Business days
Central & South America 15-30 Business days
Asia 10-20 Business days
Africa 15-45 Business days
*This doesn’t include our 2-5 day processing time.

Do you provide tracking information?

Yes, you will receive an email once your order ships that contains your tracking information. If you haven’t received tracking info within 5 days, please contact us.

My tracking says “no information available at the moment”.

For some shipping companies, it takes 2-5 business days for the tracking information to update on the system. If your order was placed more than 5 business days ago and there is still no information on your tracking number, please contact us.

Will my items be sent in one package?

For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you've specified combined shipping.

If you have any other questions, please contact us and we will do our best to help you out.


Order cancellation

All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.


Your satisfaction is our #1 priority. Therefore, you can request a refund or reshipment for ordered products if:

  • If you did not receive the product within the guaranteed time( 45 days not including 2-5 day processing) you can request a refund or a reshipment.
  • If you received the wrong item you can request a refund or a reshipment.
  • If you do not want the product you’ve received you may request a refund but you must return the item at your expense and the item must be unused.

We do not issue the refund if:

  • Your order did not arrive due to factors within your control (i.e. providing the wrong shipping address)
  • Your order did not arrive due to exceptional circumstances outside the control of boxedbuy (i.e. not cleared by customs, delayed by a natural disaster).
  • Other exceptional circumstances outside the control of

*You can submit refund requests within 15 days after the guaranteed period for delivery (45 days) has expired. You can do it by sending a message on Contact Us page

If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.


If for any reason you would like to exchange your product, perhaps for a different size in clothing. You must contact us first and we will guide you through the steps.

Please do not send your purchase back to us unless we authorise you to do so.

Why Buy From Us

A few reasons why buy from us:

We try our best to make your shopping experience not only pleasant, seamless and hassle-free, but also secure.

Enjoy flexible international shipping services that currently operate in over 200 countries across the world.

It's okay to change your mind! You can send your order back for a full refund, we've got you covered with our full Buyer protection.

Brand new products are available on a regular basis.

We don't want you to choose between the best value and the best service. That's why we offer competitive pricing.

Knowledgeable and professional support team is always happy to help you.

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