HZKS-3 ASTM-D92 Open Cup Flash Point Tester

HZBS-3 Closed Cup Flash Point Tester for Sale

HZWS-X2 Automatic Transformer Oil Moisture Tester

HZJQ-X1 80KV Transformer Oil BDV Tester

HZZGF DC High Voltage Generator Manufacturers

HZJY-5K-I Insulation Resistance Tester 5kv

HZJQ-1 Transformer Oil BDV Tester 100KV

HZJD-2Z Insulating Oil Dielectric Loss And Resistivity Tester

HZJB-1200 6 Phase Relay Tester, Microcomputer Control

HZC-3980 Circuit Breaker Analyzer Testing Equipment

HZLN-20B-1 Bitumen Dynamic Viscosity Tester(Vacuum Capillary Tube Method)

HZMN-D3 HV Circuit Breaker Simulator

HZ-600H Sweep Frequency Response Analyzer

DDS-307A Conductivity Meter

HZVLF VLF Multi-Function Hipot Tester

HZ-3310C Transformer DC Resistance Tester

HZJF91V4 Switchgear Partial Discharge Detector

HZ2371 100A Single-Phase Circuit Resistance Tester

HZ3051 5000V Insulation Resistance Tester

HZRC8100B Transformer Core Grounding Current Tester

HZBS-56S Automatic Tag Closed Cup Flash Point Tester

HZRC1050 Wireless High Voltage Phase Sequence Detector

HZHG-100KV-1.5 AC DC Voltage Divider

HZAI-6201 Dielectric Loss Factor Standard

HZDK-500 DC Switch Ampere Second Characteristic Tester

HZ-R30 Intelligent Cable Comprehensive Detector

HZ-A40 Vehicle-Mounted Cable Fault Integrated Testing System

HZ-A52 Handcart-type Cable Fault Tester

HZ2151 Power Transformer Demagnetization Analyzer

HZNQ-1103 Fully Automatic Pour Point Cloud Point Tester

HZ-3000 Degausser

HZDPS-40KV VLF Hipot With Tan Delta Tester

HZ-3220A 20W DC Resistance Testing Meter Temperature Rising Tester

HZ5374 Primary Current Injection Tester

HZTTR80AP Transformer Turns Ratio Tester

HZ3151 Insulation Resistance Tester

TTL-5 Portable Ferromagnetic Wear Chips Measuring Instrument

HZ2327 Intelligent Asphalt Softening Point Tester

HZ5376 6000A Primary Current Injection Tester

HZZGF-BZ 200KV10mA Intelligent DC High Voltage Generator

HZAI-6201W Dielectric Loss Factor Standard

HZJY-20K-Z Insulation Resistance Tester

HZSF-641（110V）SF6 Comprehensive Analyzer

HZSF-661（110V）SF6 Gas Comprehensive Analyzer

HZYH93B Automatic Lubricating Oil Oxidation Stability Tester

HZ-1010 Kang's Carbon Residue Tester

HZ-3100A 100A Transformer DC resistance Tester

HZ-1021 Grease Dropping Point Tester

HZDL500A 500A Primary Current Injection Tester

HZQW-20KVA/100KV Free PD Tester

About Huazheng

Huazheng Electric Manufacturing (Baoding) Co., Ltd.

Huazheng Electric Manufacturing (Baoding) Co., Ltd. was established in 2008 and is located in Baoding City, Hebei Province, a famous historical and cultural city in China. Its main business is the production, manufacture and sales of electrical equipment and testing instruments.Our company provides professional power equipment for the State Grid, municipal departments, power engineering companies, transformer factories, cable factories, laboratories, power testing service companies, substations, etc.The company has strong technical force and advanced production equipment, and has a mature and professional international trade team, providing one-stop, all-weather services for global customers.

Huazheng Electric's Participation in the 2025enlit Africa Exhibition Has Come to a Successful Conclusion

7 days of deep cultivation, 300 hours of precise docking, in-depth dialogue with energy partners from 23 countries - Huazheng Electric's journey in Africa has reached another milestone! During our trip to ENLIT AFRICA, we focused on transformer health management and delivered a remarkable report

Huazheng Electric's Shipping Process

Huazheng Electric uses protective materials and wooden boxes to package the instruments, ensuring that they will not be damaged or broken during transportation.

Inspection-HZJD-2 Oil Medium Loss Tester for Customer Inspection in Ecuador

HZJD-2 Insulating Oil Dielectric Loss And Resistivity Tester

How to Test the Insulation Resistance of a Transformer

Test preparationDisconnect all connecting wires, loads, and grounding wires on both the high and low voltage sides of the transformer in advance to completely power off and fully discharge the equipment. Clean the dust and oil stains on the surface of the bushing, keep the testing environment dry an

Purpose of Transformer Oil Corrosive Sulfur Tester

1. Core detection functionUsed for qualitative/quantitative detection of corrosive sulfur, free sulfur, and active sulfide content in mineral insulating oils such as transformer oil and instrument transformer oil. According to standards such as SH/T 0304, ASTM D1275, and IEC 62535, by simulating equ

Common Instruments for Transformer Testing and Their Functional Analysis

As the core equipment of the power system, the operational reliability of transformers directly impacts the safety and stability of the power grid. During routine maintenance, handover acceptance, and preventive testing, various professional testing instruments are utilized to conduct comprehensive

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