Hand held unit with digital readout. Probe is on short lead allowing sensor to be placed in airflow
The display incorporates a custom LCD with °C/°F, %rh, max/min and hold indication. There is an automatic display of both open circuit and low battery. The 8711 humidity meter simultaneously displays both the%rh and temperature. The humidity meter measures%rh over the range of 0 to 100%rh with a resolution of 0.1%rh and temperature over the range of 0 to +90°C with a resolution of 0.1°C or °F switchable.
An auto power off facility turns the therma-hygrometer off automatically after 20 minutes which maximises battery life. The unit is powered by a 9 volt alkaline PP3 battery with a minimum life expectancy of up to 100 hours, or via a 9/230 volt AC/DC power adaptor for continuous use. The therma-hygrometer incorporates, as standard, a RS232 output socket.