Rotronic HL-20D Humidity and Temperature Data Logger

  • ±0.8%RH (10…60%RH)
  • Outstanding long term stability
  • 20,000 data point memory with date & time stamps
  • Programmable alarm limits
  • Programmable recording intervals
  • Psychrometric calculations of dew and frost point values available
  • GAMP 4 compliant
  • UART interface
  • Long battery life

Description

The Rotronic HL-20D is a versatile and reliable data logger designed to monitor humidity and temperature levels in various environments. This compact device offers high accuracy and precision, making it ideal for critical applications.

Key Features:

  • High Accuracy: Ensures precise measurements of humidity and temperature.
  • Large Memory Capacity: Stores up to 20,000 data points with timestamps, allowing for long-term monitoring.
  • Programmable Alarm Limits: Sets customizable thresholds to alert you of potential issues.
  • Flexible Logging Intervals: Configures recording intervals to match your specific needs, from seconds to hours.
  • Psychrometric Calculations: Calculates dew point and frost point values for comprehensive environmental analysis.
  • FDA 21 CFR Part 11 and GAMP 4 Compliant: Meets stringent regulatory requirements for data integrity.
  • Long Battery Life: Minimizes downtime and maintenance efforts.
  • Compact and Durable Design: Withstands harsh environmental conditions, making it suitable for various applications.
  • User-Friendly Software: Easily configure, analyze data, and generate comprehensive reports.

Applications:

  • Pharmaceutical Industry: Monitors storage conditions for sensitive drugs and vaccines.
  • Food Industry: Ensures product quality and safety by controlling temperature and humidity levels.
  • Logistics and Transportation: Tracks environmental conditions during shipment to prevent damage.
  • HVAC Systems: Optimizes energy efficiency and indoor comfort.
  • Museums and Archives: Protects valuable artifacts from environmental degradation.
  • Laboratory and Research: Monitors precise conditions for experiments and testing.

The Rotronic HL-20D is a dependable solution for monitoring and recording humidity and temperature data, providing valuable insights to optimize operations and ensure quality control.

Additional information

Brand

Rotronic

Humidity measurement
Measurement method ROTRONIC HYGROMER® IN-1
Measurement range 0…100 %rh (non-condensing)
 

Accuracy at 23 °C

±1.3 %rh @ 0…10 %rh

±0.8 %rh @ 10…60 %rh

±1.3 %rh @ 60…100 %rh

Repeatability 0.3 %rh
Response time Typical 3 min. (Depends on air flow)
Long-term stability < 1 %rh / year
Temperature
Measurement method PT100 RTD (IEC 751 Class A)
Measurement range 0…50 °C
Accuracy at 23 °C ±0.3 °C
Repeatability 0.05 °C
Response time Typical 10 min. (depends on air flow)
Long-term stability < 0.1 °C / year
Dew point
 

Measurment method

• Calculation (from %rh and °C)

• Dew or frost point (user configurable range)

Logging function
 

Logging modes

• Start-Stop (recording stops when memory is full)

• Loop: oldest data is dumped to make room for latest data

Logging interval Min 5 sec. Up to 1 hour in 5 sec. increments
 

LED indicator

• 5 sec. green flash when recording data

• 5 sec. red flash for out-of-limit value or logger problem

General specifications
 

Device Type

Humidity-temperature data logger with internal sensor(s)
Battery type 3 x AA (1.5 V) alkaline
Humidity measurement
Measurement method ROTRONIC HYGROMER® IN-1
Measurement range 0…100 %rh (non-condensing)
 

Accuracy at 23 °C

±1.3 %rh @ 0…10 %rh

±0.8 %rh @ 10…60 %rh

±1.3 %rh @ 60…100 %rh

Repeatability 0.3 %rh
Response time Typical 3 min. (Depends on air flow)
Long-term stability < 1 %rh / year
Temperature
Measurement method PT100 RTD (IEC 751 Class A)
Measurement range 0…50 °C
Accuracy at 23 °C ±0.3 °C
Repeatability 0.05 °C
Response time Typical 10 min. (depends on air flow)
Long-term stability < 0.1 °C / year
Dew point
 

Measurment method

• Calculation (from %rh and °C)

• Dew or frost point (user configurable range)

Logging function
 

Logging modes

• Start-Stop (recording stops when memory is full)

• Loop: oldest data is dumped to make room for latest data

Logging interval Min 5 sec. Up to 1 hour in 5 sec. increments
 

LED indicator

• 5 sec. green flash when recording data

• 5 sec. red flash for out-of-limit value or logger problem

General specifications
 

Device Type

Humidity-temperature data logger with internal sensor(s)
Battery type 3 x AA (1.5 V) alkaline

 

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