Sper Scientific, 736920C, Dial Hygrometer/Thermometer with Certification
The dial hygrometer / thermometer is ideal for classroom, lab or industrial use. Large, clear, 20 ~ 100% RH scale on 4″ dial. Easily read from a distance. Uses a precise synthetic hair hygrometer with an accuracy of ±5%. Plastic face meets food industry requirements. Inner dial shows temperature using a bimetal thermometer, with an accuracy of ±2°F.
Weight: 3.7 oz.
