User manual for the DS1921 temperature recorder, describing features, specifications, and safe usage guidelines.
The DS1921 is a rugged, fully‑featured temperature‑recording device that stores up to 2048 temperature measurements at user‑defined intervals. Data are transferred via the 1‑Wire protocol using a single data line and ground.
The manual provides safety precautions, explains sampling‑rate effects on device life, and lists technical specifications for the H, Z, and other variants. It also includes lifetime curves for different sampling rates and temperatures. This manual is written in Chinese.
| Maximum stored measurements | 2048 |
|---|---|
| Temperature range (H version) | +15 °C to +46 °C |
| Temperature range (Z version) | -5 °C to +26 °C |
| NV storage size | 512 bytes |
It can store up to 2048 temperature measurements.
The DS1921H operates from +15 °C to +46 °C.
No, the device is not suitable for use in water without waterproof measures.