Rotronic Hygrolog HL-20 Humidity & Temperature Measurement Data Logger (Portable)

Rotronic Hygrlog HL-20 portable temperature and humidity logger

Rotronic Hygrlog HL-20 portable temperature and humidity logger

Rotronic Hygrolog HL-20 is a compact data logger for the measurement of humidity and temperature offering high precision and reliability.

The Hygrolog HL-20 is deployable in a wide range of industries and applications and due to the integrated batteries, the data logger can work completely independently offering maximum flexibility.

Typical applications and industries include HVAC, food industry, building services equipment, paper, textile and pharmaceutical.

The Rotronic HL20 and HL21 are fully compliant with FDA 21 CFR part 11 and GAMP 4 requirements for electronic records and electronic signatures (ERES).

Rotronic Hygrolog HL-20 Humidity & Temperature Measurement data logger – Product Benefits

Optional display 

  • Display of data on a clear, backlit graphic display
  • Battery charge indicator
  • Display of measured and calculated data
  • Function key to start and stop logging
  • Display resolution to 2 decimal places

Data logging function

  • Logs up to 20,000 value pairs, relative humidity and temperature provided by a single HygroClip2 probe
  • Each record is date and time stamped (real-time clock)
  • Adjustable log interval
  • Two data recording modes: (start-stop or loop)

Alarm Function

  • The visible alarm can be programmed for the Rotronic HL20 and can detect the following:
    • Out-of-limits value (defi ned with HW4 software)
    • Communication loss with the probe
    • Sensor failure and sensor drift
Rotronic Hygrolog HL-20 Humidity And Temperature Data Logger

Rotronic Hygrolog HL-20 Humidity And Temperature Data Logger

Key user functions of the Rotronic Hygrolog HL-20 humidity and temperature data logger include:

  • Highest accuracy at 0.8 %RH and 0.3 ˚C
  • 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
  • FDA 21 CFR Part 11 / GAMP 4 compliant
  • UART interface
  • Long battery life

Rotronic HYGROlog Hl-20 Humidity And Temperature Transmitter

Product Specifications

Probe Accuracy At 23°CMeasurement RangeWeightBattery TypeDevice TypeRepeatabilityLong Term Stability
±1.3 %RH @ 0..10 %RH / ±0.3 °C0…100 %RH / -10…60 °C210g3 x AA (1.5 V) alkalineHumidity-temperature data logger with internal sensor(s)0.3 %RH / 0.05 °C<1 %RH / year / < 0.1 °C / year

Response TimeReal Time ClockLog IntervalHousingInterface TypePsychometric CalculationsRecording Capacity
Humidity: typical 3 min.Yes, accuracy 2 s/yearMin. 5 sec, up to1 hour in 5 sec. incrementsABSUART requires service cable AC3006Dew or frost point (user confi gurable setting)20,000 value pairs

ROTRONIC – HUMIDITY MEASUREMENT IN THE PHARMACEUTICAL INDUSTRY

The pharmaceutical industry is one of the largest users of humidity measurement equipment. Most drugs are sensitive to variations in humidity and moisture levels, so these need to be considered and controlled using measurement instruments, probes and sensors for the final products to be consistent in quality and performance.

Humidity Measurement Applications

Humidity instruments are used to both control (transmitters) and monitor (transmitters or data loggers) these conditions during “accelerated conditions” drug testing.

Production machines, driers, tableters, and coaters are all sensitive to humidity – quality control requires machine monitoring, area monitoring and final product Equilibrium Relative Humidity (ERH) measurement.

Clean room environments are humidity critical – environmental monitoring system (EMS) and measurement is validated to conform with regulatory requirements.

ROTRONIC MEASUREMENT

View the current Rotronic catalogue :

HUMIDITY, DEW POINT, FLOW, PROCESS PRESSURE, CARBON DIOXIDE & TEMPERATURE MEASUREMENT

T&D distribute Rotronic probes, instruments, transmitters, data loggers, indicators and sensors for the measurement of dew point, flow, air velocity, process pressure, carbon dioxide and temperature. Click an icon for further information…..

 

Rotronic - Dew Point Measurement

Low Dew Point

Rotronic - Flow Measurement

Flow & Air Velocity

Rotronic - Process Pressure Measurement

Process Pressure

Rotronic - CO2 Measurement

Carbon Dioxide

Rotronic - Temperature Measurement

Temperature

➡ Did you know? T&D supply VEGA process instrumentation for pressure, level and point level (switching) measurement