Psychrometer - Sling

Also known as "Whirling Hygrometer," the Sling Psychrometer provides wet and dry bulb readings for determining relative humidity. Consists of one (1) wet and one (1) dry thermometer mounted in a sling arm with handle, plastic reference chart and carrying case with arm strap. Wet thermometer has a replaceable wick and water reservoir.

Range: -5 °C to 50 °C