Long,Cycle,Hygrothermograph,Oakton,Instruments

Long-Cycle Hygrothermograph from Oakton Instruments

Long-Cycle Hygrothermograph records up to 3 months of humidity and temperature readings on one chart!

Long,Cycle,Hygrothermograph,Oakton,Instruments

Long,Cycle,Hygrothermograph,Oakton,Instruments Record temperature and humidity on 1 or 3 month rotation
Long,Cycle,Hygrothermograph,Oakton,Instruments Quartz-controlled strip chart drive consistently rotates chart drum even when batteries are weak


Unit features a corrosion-resistant acrylic plastic case with tinted cover for easy viewing. Operates on one C battery for up to six months continuous use. Built-in battery test indicates battery condition with a button press. Unit includes red and blue pens, battery, and one roll of 1-month chart paper.

Click below to download Acrobat (.pdf) file of:
Long-Cycle Hygrothermograph product bulletin
Long-Cycle 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 -20 to 50°C
Temperature Accuracy ±1°C
Temperature Chart graduations 1°C
Chart size 6.6"H x 114" L (16.8 x 290 cm)-one month
6.6"H x 300"L (16.8 x 762 cm)-three months
Chart rotation 1 month (38 day max) or 3 month (100 day max)
Power one C battery (included)
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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