This file is the instruction manual of Rotronic HL-1D/BL-1D/TL-1D data loggers
This document serves as a short instruction manual for the Rotronic HL-1D, BL-1D, and TL-1D data loggers. It covers the main functions and installation of these devices, which measure humidity, temperature, pressure, and dewpoint depending on the specific model. The manual includes general descriptions, dimensions, battery installation instructions, and operation details.
| Accuracy | ±5 °C, ±3.0 %RH, ±0.3 °C, ±3 hPa |
|---|---|
| Logging interval | 30 s...24 h |
| Storage capacity | 32,000 to 64,000 lines |
| Battery | 1 x CR2 |
| IP protection type | IP67 |
| Weight | 85 g |
| Dimensions | 90 x 60 x 23 mm |
The low battery threshold is 2.6 V.
Press the START/STOP button and hold it down until "LOG" appears on the display.
In Log mode, the right-hand LED flashes green every 5 seconds.
The permitted ambient temperature range is -30 to 70 °C.