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Price:
$18.25
A standard hygrometer using the wet bulb and dry bulb method to determine air humidity. Two red liquid-filled thermometers are secured to the plastic scale plates. Water is supplied to the wet bulb thermometer by a siphon reservoir. Black temperatur... More. |
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Price:
$31.60
Easy-to-read, 7" wet bulb and dry bulb thermometers with center water reservoir and hinged humidity chart. More. |
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