Rotronic Hygrolog- HL-NT3 Temperature Humidity data logger

Rotronic Hygrolog- HL-NT3 Temperature Humidity data logger and dew point can be used with any of the HygroClip 2 probes. This data logger can monitor up to 7 probes as well as up to two external on/off contacts. When used together with the validated ROTRONIC HW4 software, the HygroLog HL-NT data logger complies with FDA 21 CFR part 11 electronic signatures (ERES) and regarding electronic data records.

Applications: Clean rooms, production areas, storerooms, residential, office rooms, server rooms, and shipping


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Country : Germany

Product Description

Rotronic Hygrolog- HL-NT3 Temperature Humidity data logger has two additional external probe inputs. Further using a docking station probes can be connected to the logger.

Features of Rotronic Hygrolog Data Logger:

  • FDA CFR 21 Part 11 /GAMP 4 compliance
  • Outstanding accuracy and long-term stability
  • Unlimited memory with Flash Card
  • Display of measured values
  • Interchangeable sensors for humidity and temperature
  • Large range of probes
  • User-friendly validated HW4 software
  • Can use all HygroClip2-compatible probes
  • HygroLog HL-NT3 with the possibility to connect two additional external probes
  • Probes changed in just seconds
  • Display of data on a clear, backlit graphic display with trend indicator
  • Optional display and keyboard for measurement display, status display, operation, adjustment and view of logged data

Additional Information

Weight 1 kg
Model No
Measuring Parameters Humidity, Temperature
Temperature ,
Accuracy 0.1°C
Temperature Sensor
Humidity Sensor
Number of probe slots
Probe Protection
Operating Temperature ,
Operating Humidity
Measurement Interval
Memory Mode Start/Stop/Continuous/Text with timestamp
Alarm Indicator
Power Supply
Battery Life
Storage Medium 32 MB Flash Card (up to 1 GB possible)
Storage capacity ,
Event Logging All user actions, alarms, programming
Audit Trail Full FDA CFR 21 Part 11 / GAMP4 compliance
Access to instrument (PC) Via docking station
IP Rating


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