Rotronic HL1D Humidity & Temperature Data Logger


Key Features:

  • Measurement accuracy of ±3.0 %RH and ±0.3 °C
  • Compact design with a high IP protection
  • Large storage capacity: 32,000 data point memory
  • MIN/MAX/AVG statistical function
  • Includes HW4-lite programming and analysis software
  • Clear LCD with visual alerts
  • Appropriately long battery life (3 years at logging interval of 5 min.)
  • Conforms to FDA 21 CFR Part 11 / GAMP 5
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The Rotronic HL1D has a high measurement accuracy of ±3.0 %RH and ±0.3 °C and is capable of storing up to 16,000 data point memory.
Accuracy at 23 ±5 °C±3.0 %RH / ±0.3 °C
Range of Application-30…70 °C / 0…100 %RH / 300...1100 hPa
Power Consumption1x CR2 battery
Battery Lifetime3 years (at a logging interval of 1 h)
Temperature SensorNTC
Display Refresh Rate5 sec. (Standard)
(when logging same refresh rate as log interval)
Display TypeLCD, 2 lines
LED Indicator2 LEDs
Right LED flashes green during data logging
Left LED flashes red when alarm limits breached or low battery
Measurement Interval30 s…24 h
Battery IndicatorYes
HW4 CompatibleV3.4.1 and higher
Storage Capacity32,000 lines (TL-1D: 64,000 lines)
Communication InterfacesMini USB
IP Protection RatingIP67
AdjustmentHumidity 1-point
FDA/GAMP CompatibilityFDA 21 CFR Part 11 / GAMP 5 conform software HW4
Dimensions90 x 60 x 23 mm
Weight85 g
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