The Nanbei Chao Illuminance Meter User Manual explains operation, key functions, maintenance, battery replacement, specifications, and illumination standards.
This manual provides step‑by‑step instructions for using the Nanbei Chao Illuminance Meter. It covers power on/off, mode selection, measurement procedures, and how to lock the screen or switch between automatic and manual ranges.
The document also details care instructions, battery replacement, technical specifications, and a reference table of typical illumination levels for various environments. This manual is written in Chinese.
| Measurement range | 0.1~200,000 Lux, 0.01~20,000 Fc |
|---|---|
| Resolution | 0.1 Lux / 0.01 Fc |
| Sampling frequency | 2 samples per second |
| Size | 145 × 67 × 32 mm |
| Weight | 170 g |
| Power supply | 9 V battery |
| Operating temperature | 14 °F to 122 °F (‑10 °C to 50 °C) |
| Operating humidity | 10 %–90 % RH |
| Storage temperature | 14 °F to 131 °F (‑10 °C to 55 °C) |
| Storage humidity | 10 %–95 % RH |
Short‑press the HOLD key to lock the screen.