Measure barometric pressure, dew point and humidity temperature with ROTRONIC MEASURING SOLUTIONS’ BL-1D datalogger with high measurement accuracy of ±3.0 %RH, ±0.3 °C, ±3 hPa, high storage capacity up to 32,000 lines, free evaluation and configuration software HW4-lite, compact with high level of IP protection, programmable start and stop times via HW4 software, FDA 21 CFR Part 11 / GAMP 5-compliant HW4 software and EN 12830 certified.