About CQ Bluejay - Electric Power Meters Supplier in China

CQ Bluejay is based in China and lists 99 active products across several electrical measurement and control categories. The catalogue includes temperature & humidity data loggers, a suite of three‑phase and single‑phase power meters, digital voltage and current meters, signal isolation converters, current transducers, voltage transducers, and analog panel meters. Several items such as the Si22a 2‑Channel Signal Isolator are recorded with HS code 8543.70 and a material description of fiberglass‑reinforced PCB, FR4 grade, and gold‑plated contacts. The product titles reference RS485 or RJ45 communication interfaces, indicating compatibility with Modbus or Ethernet‑based data acquisition systems.

The listed top categories cover Electric Power Meters, Tools & Instruments, Temperature Controllers & Indicators, Inductors & Transducers, Electric Components, Electric Sensors, Electric Relays, and DC/AC Inverters & Converters. Within the power‑meter segment the supplier offers models such as the 194q-9sy Three Phase Multifunction Power Meter, 194e-9s4 3‑Phase Active Energy Power Meter, and 19d-301 3‑Phase DIN‑rail Energy Meter, reflecting typical industrial metering functions like active, reactive, and apparent power measurement. The presence of panel meters (e.g., CP‑M Max Demand Analog Panel Meter) and synchroscope indicators expands the range into low‑voltage distribution monitoring.

Product Range and Specialties of CQ Bluejay

The catalogue presents a variety of measurement devices that align with standard industry grades. Power meters for three‑phase systems generally follow IEC 62053‑21 (accuracy class 0.5 % to 1 %) and support RS485 Modbus communication, while single‑phase meters such as the Bj192i‑9x1 often meet IEC 62053‑22 (class 1 %). Signal isolators like Si22a and Si12a are typical 4‑20 mA analog isolators built on FR4 PCB substrates; they usually provide isolation voltages of 2 kV or higher and meet IEC 60747‑5‑2. Transducers listed (e.g., Ij03 split‑core current transducer) are commonly rated up to 100 A and conform to IEC 61869‑2. Panel meters (CP‑W/VAR, CP‑PF) are analog instruments with ranges that cover 0‑600 VA and power‑factor correction features, often built to IEC 60584 standards.

Trade and Export Information - CQ Bluejay

China is a leading exporter of electrical measurement equipment, with major markets in Southeast Asia, Europe, and North America. HS chapter 9032 (Measuring and testing instruments) is frequently used for power meters, while HS chapter 8543 (Electrical apparatus for switching or protecting circuits) applies to signal isolators such as the Si22a. Buyers typically request CE marking, IEC conformity, RoHS compliance, and, for European destinations, a Declaration of Conformity. Shipping of these electronic units commonly uses 20‑ft or 40‑ft containers with anti‑static packaging; Incoterms such as FOB Shenzhen or CIF Shanghai are standard. Export documentation often includes test reports for accuracy, insulation resistance, and electromagnetic compatibility (EMC) testing.

Sourcing from CQ Bluejay - Buyer Guidance

When sourcing from CQ Bluejay, request the latest IEC test certificates for each meter model, including accuracy class and temperature‑compensation data. Verify that signal isolators provide the isolation voltage and dielectric strength specified in IEC 60747‑5‑2, and ask for a material safety data sheet confirming FR4 and gold‑plated contacts. Samples should be inspected for firmware version, communication protocol (Modbus‑RTU over RS485 or Ethernet), and physical dimensions to ensure DIN‑rail compatibility. Confirm the supplier can supply a CE‑type examination certificate or an EU Declaration of Conformity before larger orders. Packaging should be anti‑static, with each unit sealed in a moisture‑resistant bag and palletized for container loading.

What types of power meters does CQ Bluejay offer?

The catalogue lists three‑phase multifunction meters, active‑energy DIN‑rail meters, and single‑phase digital current meters, many equipped with RS485 or RJ45 interfaces for Modbus or Ethernet data collection.

Which communication protocols are supported by the listed meters?

Most meters specify RS485 or RJ45 ports, indicating support for Modbus‑RTU or TCP/IP protocols commonly required in industrial SCADA systems.

What certifications should a buyer request for these electrical instruments?

Buyers should request CE marking, IEC conformity test reports, and RoHS compliance certificates; European buyers also expect a Declaration of Conformity.

What is the typical HS code for the signal isolator product Si22a?

The Si22a 2‑Channel Signal Isolator is recorded with HS code 8543.70, which covers electrical apparatus for switching or protecting electrical circuits.

Are there standard accuracy classes for the power meters?

Industrial three‑phase meters usually conform to IEC 62053‑21 (class 0.5 % or 1 % accuracy), while single‑phase meters often meet IEC 62053‑22 (class 1 % accuracy).

What packaging and shipping methods are common for these products?

Units are typically packed in anti‑static bags, placed on pallets with moisture‑resistant wrapping, and shipped in 20‑ft or 40‑ft containers under FOB or CIF terms from Chinese ports.

What sample or test documentation is advisable before placing a bulk order?

Request a functional sample together with an accuracy test report, insulation resistance measurement, and EMC test results to verify compliance with IEC standards.

What is the typical lead time for a bulk order of power meters?

Lead times for electronic meters from Chinese manufacturers usually range from 30 to 45 days, depending on order size and required certifications.