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Dial Barometer
Large clear dual scale in hPa (hecto Pascal), and mbar (millibar), on a 4 dial which is easy to read..
Dial Hygrometer/Thermometer
For classroom, lab, or industrial use. Large, clear 20-100% RH scale on 4 dial. Easily read from a d..
Rain Gauge
Tapered spear end for ground or post mount. Measures 5 or 127mm of rainfall. 12 1/2 lg. Collector op..
Sling Psychrometer
This simple sling psychrometer is used to measure relative humidity. Determine dew point and relativ..
Wet And Dry Bulb Hydrometer
Mason type with wet and dry bulb. This is the most accurate method known to obtain humidity. Reservo..