At a glance tell time, temperature, and humidity in the lab. Ten-inch dial displays quartz-crystal timing with 0.01% accuracy, temperatures from -20 to 55°C and 10 to 130°F, and humidity from 0 to 100% with ±5% accuracy. Size is 10 inches in diameter. Bright red, sweeping second hand provides superior visibility. AA battery and wall-mount screw included.
*With serialized Traceable certificate from an ISO 17025 A2LA accredited Cal lab
