Product name: Student dormitory electric meter/multi-function three-phase rail electric meter

Display mode: LCD screen

Reference voltage: 220V

Product frequency: 50HZ

Product use: Suitable for electricity management in student dormitories (apartments), realizing electricity commercialization, electricity safety and on-demand control of electricity management in school dormitories

Measurement	Voltage	Reference voltage	220V
		Power consumption	<10VA
		impedance	>2MΩ
		Accuracy level	Error ±0.2%
	Current	Input Current	5（60）
		Output Current	1-way, 2-way maximum 60A 3-way 5A
		Power consumption	<4VA
		Accuracy level	Error ±0.2%
	power		Active, reactive and apparent power error ±0.2%
	Grid frequency		45-65Hz Error ±0.2%
Measurement	Electricity		Active energy level 1
Digital Signal	Power pulse output		Active optocoupler output
	Pulse constant		1200imp/KWh
communication	Interface and communication protocol		RS485¨Modbus¨DL/T 645-2007¨
	Communication address range		Modbus  1~247
	Baud rate		Support 1200bps~9600bps
Dimensions			75.2×87.9×74（mm）
environment	Operating temperature		-25℃～60℃
	Storage temperature		-40℃～70℃
	Relative humidity		No more than 95%
	altitude		Atmospheric pressure: 63.0kPa～106.0kPa (4000m and below above sea level) except for special order requirements

1. About color difference:

   Due to reasons such as shooting, display and light, the product images may have slight color differences to varying degrees on different displays. This is all normal. The actual color shall prevail based on the actual product received.

2. About placing an order:

    Please contact the online customer service to confirm whether the product is in stock, confirm the delivery address and negotiate the shipping details. We hope that you will fill in complete and accurate delivery information on the web page after taking the order to avoid modifications. Thank you!

3. About delivery:

    The actual delivery time shall be based on the time agreed upon by both parties.

4. Transportation costs:

    Generally, we use logistics transportation. Due to the different distances, the actual freight will be negotiated with you before purchase. The actual freight will be charged according to the different delivery areas. For specific cost issues, please consult online customer service or call us.

5. About after-sales:

   All goods are strictly inspected before shipment. Minor defects do not constitute quality issues and do not affect the use effect. We hope for your understanding.

   The products sold by our company have undergone a strict quality inspection process before shipment to ensure product quality. Please check carefully before receiving the goods. If you have any questions, please contact us in time.

   If you encounter product quality issues, please provide product pictures to our online customer service. After confirming the problem, we will be responsible for the return. For returns not caused by quality issues, the shipping costs will be borne by the buyer. Please understand.

6. About evaluation:

    Your encouragement and pertinent comments are the driving force for our progress. We are grateful for your encouragement and support.

    After receiving the goods, if you are satisfied with our product quality and service, we hope to get your encouragement and praise. If you have any questions, please contact us first and we will give you a satisfactory solution.