This manual provides safety instructions, features, operation procedures, maintenance guidance, and technical specifications for the NGI NGIN6900 series…
The NGI NGIN6900 series is a family of distributed high‑power DC electronic loads designed for laboratory and industrial testing. The manual introduces the product, outlines safety requirements, and describes the front‑panel, rear‑panel, and connection options.
Key sections cover functional modes (constant current, voltage, resistance, power, dynamic and automatic tests), local operation via the keypad, detailed operation tutorials, maintenance and calibration procedures, and a full list of technical specifications for each model variant. This manual is written in Chinese.
| Input voltage | 220 VAC ± 10 % (47‑63 Hz) |
|---|---|
| Operating temperature | 0 °C‑40 °C |
| Storage temperature | -20 °C‑60 °C |
| Weight (3 kW model) | ≈108 kg |
| Weight (21 kW model) | ≈189 kg |
| Communication interfaces | LAN, RS232, CAN |
Ensure the instrument is reliably grounded, install the correct fuse, do not open the chassis, and avoid operating in flammable or explosive environments.
Connect an external DC power source in series with the load to raise the voltage, as described in the low‑voltage operation section.
NGI provides a one‑year free repair warranty from the date of purchase, provided the instrument is used and maintained under normal conditions.