Rotronic HL-1D / BL-1D / TL-1D data logger is used to measure humidity, temperature, pressure and dew point. It is a small and portable device that can be used in a variety of applications.
This document serves as a short instruction manual for the Rotronic HL-1D, BL-1D, and TL-1D data loggers, which measure humidity, temperature, pressure, and dewpoint. The device versions supported are V4.0 and higher. The manual provides guidance on installation, battery replacement, and basic operation.
| Accuracy | ±5 °C, ±3.0 %RH, ±0.3 °C, ±3 hPa |
|---|---|
| Logging interval | 30 s...24 h |
| Storage capacity | 64,000 lines |
| Battery | 1 x CR2 |
| IP protection type | IP67 |
| Weight | 85 g |
| Dimensions | 90 x 60 x 23 mm |
The permitted ambient temperature range is -30 to 70 °C.
The Rotronic HW4 software is required to make settings and download data.
The left-hand LED flashes red every 5 seconds, and the battery symbol appears on the display.