This manual provides operating instructions, safety guidelines, and technical specifications for the Fluke 421D Distance Meter.
The Fluke 421D Distance Meter is a handheld device designed for measuring distance, calculating area and volume, and measuring inclination. It features Power Range Technology for extended range measurements and includes functions for indirect measurement and slope correction. The device operates using a Class II laser and is suitable for use in environments suitable for human permanent residence.
This manual covers the instrument's scope of use, safety precautions, and operational procedures. It details how to install batteries, navigate the menu system, perform various measurements (single, min/max, continuous), and utilize advanced features like area/volume calculation and slope measurement. Technical specifications regarding accuracy, laser characteristics, and environmental limits are also provided. This manual is written in Chinese.
| Measurement Range | 0.05 m to 100 m |
|---|---|
| Laser Class | Class II |
| Laser Wavelength | 635 nm |
| Battery Life | Up to 5000 measurements |
| Protection Rating | IP 54 |
| Operating Temperature | -10°C to +50°C |
| Inclination Sensor Accuracy | ± 0.3° |
The device can measure distances from 0.05 meters to 100 meters.
It uses a Class II laser with a wavelength of 635 nm and power less than 1 mW.
With AAA batteries, the device can perform up to 5000 measurements.