The HT GSC57 & GSC53N manual describes safety testing, three‑phase power quality analysis, environmental measurements, specifications, and operation procedures.
The manual provides detailed instructions for using the GSC57 and GSC53N instruments, which are designed for electrical installation safety testing and three‑phase power‑quality analysis. It is aimed at installation engineers, technicians, and test personnel who need to verify grounding, insulation, RCD performance, and other safety parameters.
Key functions include ground‑continuity testing, insulation resistance up to 1000 VDC, high‑precision loop‑impedance measurement, soil‑resistivity, voltage‑harmonic analysis (up to the 49th order), and environmental monitoring of temperature, humidity, illumination and noise. The document also lists accessories, calibration certificates, and compliance with international standards. This manual is written in Chinese.
| Loop impedance measurement resolution | 0.1 mΩ |
|---|---|
| Temperature measurement range | -20 °C ~ 80 °C |
| Memory capacity | 2 M, up to 999 measurements |
| Maximum harmonic order measured | 49th |
The instrument complies with CE mark and standards such as EN 61557‑4 (Continuity test), EN 61557‑2 (Insulation resistance), EN 61557‑5 (Earth resistance), EN 61557‑6 (RCD test) and others listed in the manual.
The device can measure voltage and current harmonics up to the 49th order.