Standard products typically have a delivery time of 7-15 working days. For customized products or large orders, delivery may take 20-30 working days. The exact delivery time will be confirmed with you before the contract is signed, based on order quantity, product type, and current production schedule.
Selecting the right power meter model requires considering the following factors:
Measurement parameters: Determine what electrical parameters you need to measure (current, voltage, power, power factor, etc.)
Measurement range: Select the appropriate range based on the actual signal amplitude
Accuracy requirements: Choose the accuracy class based on your application needs
Installation method: Panel mounting or DIN rail mounting
Communication needs: Whether RS485 or other communication interfaces are required
Contact our technical team for free product selection consultation if you have any questions.
Our products have passed multiple quality certifications:
ISO9001 Quality Management System - Ensures stable and reliable product quality
CE Certification - Meets EU safety standards for European market export
CQC Certification - China Quality Certification Center product certification
Type Approval Certificate - Some products have obtained metrology certification
Product certification certificates can be downloaded from our product documentation or obtained from customer service.
Different product types have different working voltage ranges:
AC Power Meters: Typically support AC 85V-265V or AC 100V-300V wide voltage input
DC Power Meters: Support DC 12V-48V or DC 24V-72V range
Switching Power Supply: Some meters support DC/AC 12V-36V power supply
Please refer to the product technical manual for specific voltage ranges, or contact our sales engineers for confirmation.
Our power meters offer multiple accuracy classes:
Standard Class (0.5): Measurement accuracy +/-0.5%, suitable for general industrial applications
High Precision (0.2): Measurement accuracy +/-0.2%, suitable for applications with higher accuracy requirements
Metrology Class (0.1): Measurement accuracy +/-0.1%, suitable for scenarios requiring metrology certification
Please refer to the product technical specifications for specific accuracy class information.
Our intelligent power meters support multiple communication protocols:
Modbus RTU/RS485: The most common industrial communication protocol, supporting 9600/19200/38400bps
Modbus TCP/IP: Supports Ethernet communication
Profibus: Profibus communication module available as option
Analog Output: 0-5V, 0-20mA, 4-20mA options available
Pulse Output: Supports active/reactive energy pulse output
Custom communication protocol requirements can be discussed with our technical department.
Our minimum order quantity (MOQ) policy is as follows:
Standard Products: 1 unit minimum order, some popular products require 5 units minimum
Customized Products: 10-50 units minimum depending on customization complexity
Bulk Orders: Discounted pricing available for orders of 100+ units
We also offer flexible shipping options for small batch trial orders. Please discuss with your sales representative.
We accept multiple payment methods:
Alipay/WeChat Pay: Suitable for small orders and samples
Bank Transfer: Supports all major domestic banks in China
Corporate Account: Accepts company-to-company transfers with VAT invoice available
Letter of Credit (L/C): Supports international trade letters of credit
Installment payment or advance payment ratios can be negotiated for large orders.
Yes, we can issue VAT invoices:
VAT Special Invoice: Available with proof of general taxpayer status
VAT Ordinary Invoice: Available for individuals or small-scale taxpayers
E-invoice: Electronic VAT ordinary invoices supported for convenient processing
Please provide complete invoice information after payment (company name, taxpayer identification number, bank name, account number, address and phone). We will issue and mail the invoice within 3-5 working days.
Our product warranty policy:
Standard Warranty: 18 months from delivery or 12 months from commissioning (whichever comes first)
Extended Warranty: Extended warranty available for purchase, up to 36 months maximum
Warranty Coverage: Covers product quality issues under normal use conditions
During the warranty period, non-human damage products are eligible for free repair or replacement.
After-sales service application process:
Phone: Call our service hotline +86-731-23258123
Online: Submit after-sales application through the website contact form
Email: Send email to info@huayid123.com
Please provide: product model, serial number, purchase contract number, and fault description. Our customer service will contact you within 24 hours.
We provide comprehensive technical support services: