HUMIDITY AND TEMPERATURE CALIBRATION

Michell and Rotronic: the most comprehensive humidity and dew-point calibration offering on the market today

Working together, Michell Instruments and Rotronic have 100 years of expertise in humidity measurement and calibration. We not only offer the most comprehensive range of humidity calibrators and dew-point calibration systems available from a single supplier, we also build custom-designed humidity and dew-point calibration systems as well as provide ISO/IEC 17025 accredited relative humidity and temperature calibrations.

Our calibration customers include national metrology institutes, pharmaceutical manufacturers, and humidity calibration laboratories.

PRODUCTS

Michell Instruments and Rotronic offer a comprehensive suite of humidity and temperature calibration systems and components. These range from full-function systems suitable for use in national metrology laboratories to transportable humidity generators for quick field verifications. They are all designed to calibrate probes from any manufacturer and can be used in combination with chilled mirror reference hygrometers to produce traceable humidity calibrations.


HYGROGEN2-S – HUMIDITY CALIBRATOR
  • Chamber volume: 2 litres; Working volume 1.5 litres
  • Humidity changes (5...95 %RH, 0.1 %RH stability): < 5 minutes
  • Temperature changes (23...50 °C, 0.01 °C stability): < 5 minutes

HYGROGEN2-XL – LARGE CAPACITY HUMIDITY CALIBRATOR
  • Chamber volume: 20 litres; Working volume 17 litres
  • Humidity changes (5...95 %RH, 0.1 %RH stability): <15 minutes
  • Temperature changes (23...50 °C, 0.01 °C stability): < 15 minutes
  • Calibrate probes, data loggers, hand helds and chart recorders

OPTICAL – PRECISION RELATIVE HUMIDITY AND TEMPERATURE CALIBRATOR
  • Generate 10 to 90 %RH over +10 to +50 °C (+50 to +122 °F) temperature
  • UKAS accredited calibration, as standard
  • Humidity and temperature profile generation for unattended verification of sensors

HYGROCAL100 – HUMIDITY VALIDATOR
  • Combine with Optidew 401 chilled mirror hygrometer for cost-effective traceable calibrations
  • Intuitive UI makes automating probe verification simple
  • Automated validation procedures for hands-off probe verification
  • Internal calibration correction cycle ensures continued confidence

Michell Instruments’chilled mirror reference hygrometers provide fundamental and drift-free measurements of dew-point. Use in combination with the Rotronic or Michell humidity generators for calibrations traceable to NPL and NIST national standards.


OPTIDEW 401 – COST-EFFECTIVE CHILLED MIRROR HYGROMETER
  • New chilled mirror hybrid sensor gives fast dynamic response to changes in humidity
  • Accurate to ±0.15°C dew point, ±0.1°C temperature
  • Wide measurement range from -40 to +120°C dew point

S8000 AND S8000 RS – HIGH PRECISION CHILLED MIRROR HYGROMETER
  • Accuracy of ±0.1°C
  • Precision measurement to -90°Cdp (100 ppb) with no need for additional cooling
  • Sensor head optimised for fast response to low moisture levels
  • Compact 19” x 4U package

S8000 REMOTE – HIGH PRECISION CHILLED MIRROR WITH REMOTE SENSOR
  • -40 to +120 °C dew-point range with ±0.1 °C dew point accuracy
  • Small, compact design
  • Easy integration with HygroGen2

DCS-80, DCS-100 – DEW-POINT CALIBRATION SYSTEM
  • Complete dew-point calibration solution with optional compressor, dr yer, dew-point generator, reference instrument and optional manifold
  • Generated output responds quickly to a change of set point
  • Simple operation through manual flow mixing or push-button switching of set points

Where a standard product doesn’t meet the specific needs of an application, Michell’s team of design engineers will work with you to develop a custom solution. Michell offers a sophisticated range of humidity/dew-point generators, pressure swing dryers and chilled mirror reference hygrometers – coupled with four decades of experience in working with national standards laboratories to provide humidity calibration equipment around the world.

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PST CALIBRATION BROCHURE

A guide to Michell Instruments & Rotronic's comprehensive suite of humidity and temperature calibration systems and components.

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