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Three Speed Hygrothermograph from Oakton Instruments

USA Toll Free: 1-800-730-0302 Tel: 416-240-1920 -

USA Toll Free: 1-800-730-0302 Tel: 416-240-1920 -

Three Speed Hygrothermograph

Eutech pH 200 Controller, Oakton InstrumentsGet maximum versatility from three rotation speeds

  • Quartz controlled drive gives consistant drum rotation speed even as batteries weaken

  • Record temperature and humidity on 1, 7 or 32 day rotation

  • Lightweight and corrosion resistant construction for indoor or sheltered outdoor use

Maintain temperature and humidity records for buildings or controlled environment chambers. Use one-day rotation for detailed views of troubled areas, longer rotation times for routine records.

A flashing LED indicates drum is rotating. Two size C batteries provide up to six months of continuous operation. Features a battery test button.

Includes red and blue pens, batteries and one seven-day rotation chart.

Three-Speed Hygrothermograph product bulletin
Three-Speed Hygrothermograph manual

Humidity Range 5 to 90% RH

Humidity Accuracy ±3% from 10 to 90% RH; ±5% from 5 to 10% RH

Humidity Chart range 0 to 100% RH

Humidity Chart graduations 1% RH

Temperature Range -10 to 50°C / 14 to 122°F

Temperature Accuracy ±1°C / ±1.8°F

Temperature Chart graduations 1°C or 2 °F

Chart size 6.6"H x 11.5"L (16.8 cm H x 29.2 cm L)

Chart rotation 1 day (26 hr), 7 day (172 hr), or 32 day (810 hr)

Power spring wound

Dimensions 13.3" x 11.5" x 5.1" (33.8 x 29.2 x 13 cm)

Shipping weight 9 lbs (4 kg)


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Metex Corporation Limited has been providing superior products and services to the process control, chemical treatment, waste water, industrial and manufacturing industries for over 25 years. It is our goal to continually provide our customers with the best possible equipment, technology, and service.


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