NIST traceable Large, 10" dial Quartz-crystal timing Clock has 0.01% accuracy. Thermometer range is -20° to 55°C (10° to 130°F) with ±1.5° accuracy. The hygrometer measures humidity from 0 to 100% with ±5% RH accuracy. Includes an NIST traceable certificate and one AA battery.

Accurate to 1/10,000 of a second Automatically adjusts for daylight savings time Large digits are easy to read, even from far away Clock receives a controlling radio signal from NIST's atomic clock in Colorado to maintain accuracy and automatically adjust for daylight savings time…

Barometric pressure range is 954 to 1073 millibars (mbar), 28.1 to 31.7 inches of mercury (inHg) and 715 to 805 millimeters of mercury (mmHg) Resolution is 0.5 mbar, 0.05 inHg and 0.5 mmHg Accuracy is ±0.5% of reading Dial barometer measures 4 1/2” diameter by 1…

Ideal for washdown areas Modern, easy-to-read design Displays temperature from -4 to 104°F (-20 to 40°C) An o-ring sealed, waterproof/dustproof ABS impact-resistant case makes this clock ideal for wash-down areas, outdoors and many other harsh environments. Modern style clock features large…

Sleek, low-profile design Triple display with superior visibility The ultra-modern, stylish clock has crisp, highly visible dials that can be read at 25 feet. The large 9" clock face has a bright orange, sweeping second hand for superior visibility. The 3" thermometer dial displays…