EAST TESTER

EAST TESTER – Precision Calibrators and Programmable DC Load Instruments

Technical foundation and brand overview

Hangzhou Zhongchuang Electron Co., Ltd. operates under the EAST TESTER brand, integrating R&D, manufacturing, and sales of thermal and signal calibration equipment since 1998. Based in Hangzhou’s Kangqiao Industrial Park, the company holds ISO 9001 certification and national software copyrights. 

Product categories – A versatile measurement portfolio

Key product groups from EAST TESTER reflect its focus on precision calibration:

• Process Calibrators (Handheld & Benchtop): for electrical signal calibration in industrial settings. 

• Temperature Calibration Instruments: for accurate temperature control and calibration in labs or production environments.

• High‑Precision Digital Multimeters: for voltage, current, resistance measurement in industry and testing. 

• LCR Meters (Benchtop & Handheld): measuring inductance, capacitance, resistance with high accuracy.

• Programmable DC Electronic Loads / Power Supplies: for testing batteries, power supplies, simulating loads under CC, CV, CP, CR, scan, dynamic and short‑circuit modes. 

• Function Signal Generators: producing waveform signals for testing and calibration needs. 

• Low Resistance Testers: ideal for testing contact resistance, coil windings, relays, switches.

• Temperature Recorders: record and chart temperature over time for analysis and traceability.

Product strengths

• Strict quality control: ISO 9001 certified, with multiple nationally approved software and hardware offerings. 

• High flexibility: supports both mobile and benchtop use, RS‑232/USB communication, bilingual interface, long-life lithium batteries.

• User-friendly design: color TFT displays, intuitive menu systems, remote PC control via dedicated software. 

Multi-sector application

EAST TESTER’s calibration devices find use across high-precision sectors including power utilities, petrochemical, metallurgy, textile, environmental monitoring, railway systems, and technical training. Accurate calibration of signals, temperature, and pressure supports industrial quality assurance and regulatory compliance.